Player profile

Guo, Ethan

Standard: 2365 Rapid: 2257 Blitz: 2279 (last updated 2026-11-02)

FIDE ID: 30976359 (view FIDE profile)

Federation: USA Sex: M Birth Year: 2013 Age: 13

Title: IM Women's title: — Other title: — FOA title: —

Games: 349 Wins: 122 (35%) Draws: 123 (35%) Losses: 96 (28%) Other: 8

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Dossier

335 of 349 games analyzed.

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Openings

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As White 142 games 50W 49D 40L

Sicilian Defense 64 games 27W 19D 16L

Najdorf Variation 16 games 9W 2D 5L

(unspecified) 9 games 6W 0D 3L

Adams Attack 3 games 0W 1D 2L

English Attack 2 games 1W 1D 0L

Zagreb Variation 1 game 1W 0D 0L

Petronić Attack 1 game 1W 0D 0L

Richter-Rauzer Variation 6 games 1W 2D 3L

(unspecified) 3 games 0W 0D 3L

Neo-Modern Variation 2 games 1W 1D 0L

Modern Variation 1 game 0W 1D 0L

Dragon Variation 6 games 3W 2D 1L

Yugoslav Attack, Modern Line 3 games 1W 2D 0L

Yugoslav Attack, Hungarian Dragon 1 game 1W 0D 0L

Accelerated Dragon 1 game 1W 0D 0L

(unspecified) 1 game 0W 0D 1L

Taimanov Variation 6 games 2W 2D 1L

Bastrikov Variation, English Attack 4 games 2W 1D 0L

(unspecified) 2 games 0W 1D 1L

Nyezhmetdinov-Rossolimo Attack 5 games 2W 3D 0L

Fianchetto Variation 3 games 2W 1D 0L

(unspecified) 2 games 0W 2D 0L

Lasker-Pelikan Variation 5 games 1W 3D 1L

Sveshnikov Variation, Chelyabinsk Variation 5 games 1W 3D 1L

O'Kelly Variation 4 games 1W 1D 1L

Venice System 1 game 0W 0D 0L

Maróczy Bind 1 game 0W 0D 1L

Maróczy Bind, Paulsen Line 1 game 0W 1D 0L

Maróczy Bind, Geller Line 1 game 1W 0D 0L

Four Knights Variation 3 games 1W 1D 1L

Exchange Variation 3 games 1W 1D 1L

Kalashnikov Variation 2 games 0W 2D 0L

(unspecified) 2 games 0W 2D 0L

Godiva Variation 2 games 1W 0D 1L

(unspecified) 2 games 1W 0D 1L

French Variation 2 games 1W 1D 0L

Westerinen Attack 2 games 1W 1D 0L

Accelerated Dragon 1 game 1W 0D 0L

Modern Bc4 Variation 1 game 1W 0D 0L

Hyperaccelerated Dragon 1 game 1W 0D 0L

(unspecified) 1 game 1W 0D 0L

Delayed Alapin Variation 1 game 1W 0D 0L

with e6 1 game 1W 0D 0L

Classical Variation 1 game 1W 0D 0L

(unspecified) 1 game 1W 0D 0L

Scheveningen Variation 1 game 1W 0D 0L

Keres Attack 1 game 1W 0D 0L

Nimzowitsch Variation 1 game 0W 0D 1L

Advance Variation 1 game 0W 0D 1L

Kan Variation 1 game 0W 0D 1L

(unspecified) 1 game 0W 0D 1L

Italian Game 26 games 7W 10D 9L

Classical Variation 11 games 5W 2D 4L

Giuoco Pianissimo 11 games 5W 2D 4L

Two Knights Defense 6 games 0W 3D 3L

Modern Bishop's Opening 6 games 0W 3D 3L

Giuoco Pianissimo 6 games 0W 4D 2L

Italian Four Knights Variation 6 games 0W 4D 2L

Giuoco Piano 3 games 2W 1D 0L

(unspecified) 3 games 2W 1D 0L

Caro-Kann Defense 16 games 5W 7D 4L

Two Knights Attack 6 games 2W 3D 1L

(unspecified) 6 games 2W 3D 1L

Advance Variation 3 games 1W 1D 1L

(unspecified) 2 games 0W 1D 1L

Botvinnik-Carls Defense 1 game 1W 0D 0L

Endgame Offer 3 games 0W 2D 1L

(unspecified) 3 games 0W 2D 1L

Exchange Variation 3 games 1W 1D 1L

(unspecified) 3 games 1W 1D 1L

Endgame Variation 1 game 1W 0D 0L

(unspecified) 1 game 1W 0D 0L

French Defense 13 games 3W 5D 5L

Tarrasch Variation 8 games 2W 2D 4L

Guimard Defense, Main Line 2 games 0W 1D 1L

Chistyakov Defense 2 games 1W 0D 1L

Open System 1 game 1W 0D 0L

Morozevich Variation 1 game 0W 0D 1L

Closed Variation 1 game 0W 0D 1L

(unspecified) 1 game 0W 1D 0L

Steinitz Variation 2 games 1W 1D 0L

Boleslavsky Variation 2 games 1W 1D 0L

Classical Variation 2 games 0W 1D 1L

Burn Variation, Morozevich Line 2 games 0W 1D 1L

Rubinstein Variation 1 game 0W 1D 0L

Blackburne Defense 1 game 0W 1D 0L

Ruy Lopez 6 games 1W 1D 3L

Morphy Defense 4 games 1W 0D 2L

Fianchetto Defense Deferred 1 game 0W 0D 1L

Modern Steinitz Defense 1 game 0W 0D 0L

Anderssen Variation 1 game 0W 0D 1L

Duras Variation 1 game 1W 0D 0L

Classical Variation 1 game 0W 0D 1L

(unspecified) 1 game 0W 0D 1L

Closed 1 game 0W 1D 0L

Martinez Variation 1 game 0W 1D 0L

Philidor Defense 4 games 2W 1D 1L

Lion Variation 3 games 1W 1D 1L

(unspecified) 3 games 1W 1D 1L

Exchange Variation 1 game 1W 0D 0L

(unspecified) 1 game 1W 0D 0L

Scotch Game 4 games 1W 3D 0L

Potter Variation 2 games 1W 1D 0L

(unspecified) 2 games 1W 1D 0L

Mieses Variation 2 games 0W 2D 0L

(unspecified) 2 games 0W 2D 0L

Petrov's Defense 2 games 1W 1D 0L

Nimzowitsch Attack 2 games 1W 1D 0L

(unspecified) 2 games 1W 1D 0L

Four Knights Game 1 game 0W 1D 0L

Spanish Variation 1 game 0W 1D 0L

Rubinstein Variation 1 game 0W 1D 0L

Nimzowitsch Defense 1 game 1W 0D 0L

Scandinavian Variation 1 game 1W 0D 0L

Advance Variation 1 game 1W 0D 0L

King's Indian Attack 1 game 1W 0D 0L

(unspecified) 1 game 1W 0D 0L

Modern Defense 1 game 0W 1D 0L

Two Knights Variation 1 game 0W 1D 0L

(unspecified) 1 game 0W 1D 0L

Scandinavian Defense 1 game 0W 0D 1L

Gubinsky-Melts Defense 1 game 0W 0D 1L

(unspecified) 1 game 0W 0D 1L

Alekhine Defense 1 game 0W 0D 1L

Four Pawns Attack 1 game 0W 0D 1L

(unspecified) 1 game 0W 0D 1L

Czech Defense 1 game 1W 0D 0L

(unspecified) 1 game 1W 0D 0L

As Black 136 games 46W 52D 37L

Sicilian Defense 66 games 17W 31D 18L

Najdorf Variation 32 games 9W 14D 9L

(unspecified) 15 games 4W 6D 5L

Lipnitsky Attack 4 games 0W 2D 2L

Yates Variation 4 games 1W 3D 0L

Opocensky Variation 2 games 1W 1D 0L

English Attack 2 games 1W 1D 0L

Opocensky Variation, Modern Line 2 games 0W 1D 1L

Adams Attack 2 games 1W 0D 1L

Opocensky Variation, Traditional Line 1 game 1W 0D 0L

Closed 7 games 1W 3D 3L

(unspecified) 6 games 1W 3D 2L

Carlsen Variation 1 game 0W 0D 1L

Modern Variations 6 games 2W 1D 3L

Main Line 3 games 1W 1D 1L

(unspecified) 3 games 1W 0D 2L

Delayed Alapin Variation 5 games 0W 3D 2L

with d6 5 games 0W 3D 2L

Moscow Variation 4 games 1W 3D 0L

(unspecified) 4 games 1W 3D 0L

Scheveningen Variation 4 games 0W 4D 0L

Classical Variation 4 games 0W 4D 0L

French Variation 3 games 2W 1D 0L

(unspecified) 3 games 2W 1D 0L

Kan Variation 2 games 0W 1D 1L

Polugaevsky Variation 1 game 0W 0D 1L

Maróczy Bind, Réti Variation 1 game 0W 1D 0L

Four Knights Variation 1 game 1W 0D 0L

Cobra Variation 1 game 1W 0D 0L

Taimanov Variation 1 game 1W 0D 0L

(unspecified) 1 game 1W 0D 0L

Chekhover Variation 1 game 0W 1D 0L

(unspecified) 1 game 0W 1D 0L

Grünfeld Defense 15 games 4W 5D 6L

Exchange Variation 9 games 3W 3D 3L

Modern Exchange Variation 4 games 0W 1D 3L

(unspecified) 3 games 1W 2D 0L

Modern Exchange Variation, Kramnik's Line 1 game 1W 0D 0L

Classical Variation 1 game 1W 0D 0L

Botvinnik Variation 2 games 0W 2D 0L

(unspecified) 2 games 0W 2D 0L

Opocensky Variation 1 game 0W 0D 1L

(unspecified) 1 game 0W 0D 1L

Stockholm Variation 1 game 1W 0D 0L

(unspecified) 1 game 1W 0D 0L

Flohr Variation 1 game 0W 0D 1L

(unspecified) 1 game 0W 0D 1L

Three Knights Variation 1 game 0W 0D 1L

Hungarian Variation 1 game 0W 0D 1L

English Opening 10 games 1W 6D 3L

Symmetrical Variation 7 games 1W 4D 2L

(unspecified) 2 games 0W 2D 0L

Botvinnik System Reversed, with Nf3 2 games 0W 1D 1L

Three Knights, Fianchetto Variation 1 game 0W 0D 1L

Fianchetto Variation 1 game 1W 0D 0L

Three Knights Variation 1 game 0W 1D 0L

Anglo-Indian Defense 3 games 0W 2D 1L

Anti-Anti-Grünfeld 2 games 0W 1D 1L

Queen's Knight Variation 1 game 0W 1D 0L

Nimzo-Indian Defense 6 games 5W 0D 1L

Normal Variation 3 games 2W 0D 1L

Botvinnik System 1 game 1W 0D 0L

Gligoric System, Exchange Variation 1 game 0W 0D 1L

(unspecified) 1 game 1W 0D 0L

Classical Variation 1 game 1W 0D 0L

Milner-Barry Variation 1 game 1W 0D 0L

Kmoch Variation 1 game 1W 0D 0L

(unspecified) 1 game 1W 0D 0L

Leningrad Variation 1 game 1W 0D 0L

(unspecified) 1 game 1W 0D 0L

Catalan Opening 5 games 3W 0D 1L

Open Defense 4 games 3W 0D 1L

(unspecified) 4 games 3W 0D 1L

Closed 1 game 0W 0D 0L

Main Line 1 game 0W 0D 0L

Neo-Grünfeld Defense 4 games 1W 2D 1L

Classical Variation 2 games 0W 1D 1L

Original Defense 2 games 0W 1D 1L

Ultra-Delayed Exchange Variation 1 game 1W 0D 0L

(unspecified) 1 game 1W 0D 0L

Exchange Variation 1 game 0W 1D 0L

(unspecified) 1 game 0W 1D 0L

Indian Defense 4 games 3W 1D 0L

Anti-Grünfeld 2 games 2W 0D 0L

Alekhine Variation 2 games 2W 0D 0L

Anti-Nimzo-Indian 1 game 0W 1D 0L

(unspecified) 1 game 0W 1D 0L

Normal Variation 1 game 1W 0D 0L

(unspecified) 1 game 1W 0D 0L

King's Indian Attack 4 games 3W 1D 0L

Wahls Defense 2 games 2W 0D 0L

(unspecified) 2 games 2W 0D 0L

(unspecified) 2 games 1W 1D 0L

King's Indian Defense 3 games 0W 2D 1L

Fianchetto Variation 2 games 0W 2D 0L

Immediate Fianchetto 2 games 0W 2D 0L

Normal Variation 1 game 0W 0D 1L

King's Knight Variation 1 game 0W 0D 1L

Réti Opening 3 games 0W 0D 3L

Advance Variation 2 games 0W 0D 2L

(unspecified) 2 games 0W 0D 2L

Anglo-Slav Variation 1 game 0W 0D 1L

with g3 1 game 0W 0D 1L

Queen's Pawn Game 2 games 2W 0D 0L

London System 2 games 2W 0D 0L

(unspecified) 2 games 2W 0D 0L

Trompowsky Attack 2 games 0W 0D 2L

(unspecified) 2 games 0W 0D 2L

Queen's Indian Defense, with e3 2 games 1W 0D 1L

(unspecified) 2 games 1W 0D 1L

Slav Defense 2 games 2W 0D 0L

(unspecified) 1 game 1W 0D 0L

Exchange Variation 1 game 1W 0D 0L

(unspecified) 1 game 1W 0D 0L

Rapport-Jobava System 1 game 1W 0D 0L

(unspecified) 1 game 1W 0D 0L

Torre Attack 1 game 1W 0D 0L

Classical Defense 1 game 1W 0D 0L

(unspecified) 1 game 1W 0D 0L

East Indian Defense 1 game 0W 1D 0L

(unspecified) 1 game 0W 1D 0L

Queen's Indian Defense 1 game 1W 0D 0L

Kasparov Variation 1 game 1W 0D 0L

(unspecified) 1 game 1W 0D 0L

Blumenfeld Countergambit Accepted 1 game 1W 0D 0L

(unspecified) 1 game 1W 0D 0L

Bogo-Indian Defense 1 game 0W 1D 0L

Nimzowitsch Variation 1 game 0W 1D 0L

(unspecified) 1 game 0W 1D 0L

Ruy Lopez 1 game 0W 1D 0L

Open Berlin Defense 1 game 0W 1D 0L

l'Hermet Variation 1 game 0W 1D 0L

Caro-Kann Defense 1 game 0W 1D 0L

Panov Attack 1 game 0W 1D 0L

Modern Defense, Mieses Line 1 game 0W 1D 0L

Blunders Top 4 of 1310

This player's costliest moves in analyzed games. Can you find the winning move?

? · 63. Qc3 (−95.1% win chance) 1-0

Maurstad, Astor Moe

Guo, Ethan

Engine View game

? · 71. Qd5 (−92.2% win chance) 1-0

Maurstad, Astor Moe

Guo, Ethan

Engine View game

2023.09.17 · 37. Qa7 (−88.5% win chance) 1-0

Joshua Xia

Ethan Guo

Engine View game

2025.06.30 · 57... Ke5 (−81.5% win chance) 0-1

Guo, Ethan

Bulgak, Damir

Engine View game

View blunders & mistakes

Games Showing all 349 games

Date	Event	Round	Opponent	Result	Accuracy %	First moves
2026.06.26	Round 11: Guo, Ethan - Negrean, Andrei	11.4	2026.06.26 Negrean, Andrei (1291513) (2366)	1	94.60%	1. e4 c5 2. Nf3 d6 3. d4 cxd4
2026.06.25	Round 10: Mamikonyan, Artem T - Guo, Ethan	10.3	2026.06.25 Mamikonyan, Artem T (55613993) (2210)	0	82.20%	1. e4 c5 2. Nc3 a6 3. Nf3 d6
2026.06.24	Round 9: Guo, Ethan - Lacan Rus, David	9.2	2026.06.24 Lacan Rus, David (651023075) (2356)	½	91.50%	1. e4 c5 2. Nf3 Nc6 3. Bb5 e6
2026.06.17	Round 3: Rusu, Lucas - Guo, Ethan	3.3	2026.06.17 Rusu, Lucas (42206472) (2191)	1	97.00%	1. e4 c5 2. Nf3 d6 3. d4 cxd4
2026.06.16	Round 2: Guo, Ethan - Marchand, Calix	2.3	2026.06.16 Marchand, Calix (2640856) (2127)	1	90.90%	1. e4 c5 2. Nf3 e6 3. d4 cxd4
2026.06.15	Round 1: Rajendran, Kartikeyan - Guo, Ethan	1.4	2026.06.15 Rajendran, Kartikeyan (35820594) (1957)	1	94.70%	1. e4 c5 2. Nf3 d6 3. d4 cxd4
2026.06.12	Round 8: Smirnov, Mark - Guo, Ethan	8.1	2026.06.12 Smirnov, Mark (13764594) (2436)	0	90.00%	1. e4 c5 2. Nc3 d6 3. f4 g6
2026.06.12	Round 7: Guo, Ethan - Radzimski, Antoni	7.1	2026.06.12 Radzimski, Antoni (21052476) (2394)	1	93.40%	1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5
2026.06.12	Round 6: Ambartsumian, Tyhran - Guo, Ethan	6.1	2026.06.12 Ambartsumian, Tyhran (34161112) (2398)	½	94.30%	1. e4 c5 2. Nf3 d6 3. d4 cxd4
2026.06.12	Round 5: Guo, Ethan - Vorobyov, Radmir	5.1	2026.06.12 Vorobyov, Radmir (518077) (2169)	1	96.70%	1. e4 c6 2. d4 d5 3. e5 c5
2026.06.12	Round 4: Guo, Ethan - Liu, Patrick	4.1	2026.06.12 Liu, Patrick (30966213) (2205)	1	97.10%	1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5
2026.04.20	Round 9: Zharas, Aldiyar - Guo, Ethan	9.3	2026.04.20 Zharas, Aldiyar (13792873) (2071)	0	86.60%	1. d4 Nf6 2. c4 e6 3. Nf3 d5
2026.04.20	Round 8: Sharipov, Eduard - Guo, Ethan	8.6	2026.04.20 Sharipov, Eduard (34377689) (2136)	1	89.00%	1. e4 c5 2. Nc3 d6 3. d4 cxd4
2026.04.20	Round 7: Guo, Ethan - Smirnov, Mark	7.4	2026.04.20 Smirnov, Mark (13764594) (2469)	0	87.50%	1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6
2026.04.19	Round 6: Elemes, Beibarys - Guo, Ethan	6.5	2026.04.19 Elemes, Beibarys (447008059) (1834)	1	96.20%	1. d4 Nf6 2. c4 e6 3. Nf3 d5
2026.04.19	Round 5: Guo, Ethan - Wang, Ted	5.4	2026.04.19 Wang, Ted (30990459) (2155)	0	89.30%	1. e4 c5 2. Nf3 Nc6 3. Nc3 d6
2026.04.19	Round 4: Suvara, Filip - Guo, Ethan	4.6	2026.04.19 Suvara, Filip (9229986) (2095)	1	92.80%	1. d4 Nf6 2. Nc3 d5 3. Bf4 a6
2026.04.19	Round 3: Guo, Ethan - Krstic, David	3.5	2026.04.19 Krstic, David (14654946) (2084)	½	83.70%	1. e4 c5 2. Nf3 d6 3. d4 cxd4
2026.04.19	Round 1: Guo, Ethan - Glushkov, Dmitry E	1.5	2026.04.19 Glushkov, Dmitry E (55601588) (1897)	½	89.30%	1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6
2026.04.17	Round 11: Akhmet, Suleyman - Guo, Ethan	11.1	2026.04.17 Akhmet, Suleiman (13752111) (2114)	1	92.90%	1. d4 Nf6 2. Nf3 e6 3. Bg5 d5
2026.04.17	Round 11: Akhmet, Suleyman - Guo, Ethan	11.3	2026.04.17 Akhmet, Suleiman (13752111) (2058)	1	91.90%	1. d4 Nf6 2. c4 e6 3. Nc3 Bb4
2026.04.17	Round 10: Guo, Ethan - Zharas, Aldiyar	10.4	2026.04.17 Zharas, Aldiyar (13792873) (2168)	1	85.80%	1. e4 c5 2. Nf3 Nc6 3. Bb5 g6
2026.04.17	Round 8: Guo, Ethan - Sharipov, Eduard	8.3	2026.04.17 Sharipov, Eduard (34377689) (2039)	0	75.30%	1. e4 c5 2. Nf3 d6 3. d4 cxd4
2026.04.16	Round 7: Larionov, Tikhon - Guo, Ethan	7.6	2026.04.16 Larionov, Tikhon (55696066) (1994)	1	85.70%	1. e4 c5 2. Nf3 d6 3. d4 cxd4
2026.04.16	Round 5: Golubovic, Erik - Guo, Ethan	5.5	2026.04.16 Golubovic, Erik (14586908) (2201)	1	94.80%	1. d4 Nf6 2. c4 e6 3. Nf3 d5
2026.04.16	Round 4: Bulgak, Damir - Guo, Ethan	4.2	2026.04.16 Bulgak, Damir (13528882) (2267)	0	88.20%	1. e4 c5 2. Nf3 e6 3. d4 cxd4
2026.04.15	Round 3: Guo, Ethan - Wang, Ted	3.4	2026.04.15 Wang, Ted (30990459) (2202)	1	96.20%	1. e4 c5 2. Nf3 Nc6 3. Nc3 g6
2026.04.15	Round 2: Guo, Ethan - Smirnov, Mark	2.1	2026.04.15 Smirnov, Mark (13764594) (2318)	1	85.70%	1. e4 d6 2. d4 Nf6 3. Nc3 e5
2026.04.13	Round 6: Guo, Ethan - Yurasov, Matfey	6.1	2026.04.13 Yurasov, Matfey (55617603) (2308)	0	74.30%	1. e4 c6 2. d4 d5 3. e5 Bf5
2026.04.10	Round 6: Guo, Ethan - Ghosh, Diptayan	6.22	2026.04.10 Ghosh, Diptayan (5045207) (2574)	0	88.00%	1. e4 c6 2. Nf3 d5 3. d3 Qc7
2026.03.31	Reykjavik Open 2026	9.22	2026.03.31 Garifullina, Leya (34127035) (2454)	1	96.50%	1. e4 c5 2. Nf3 d6 3. d4 cxd4
2026.03.30	Reykjavik Open 2026	8.44	2026.03.30 Pagan, Jonathan (30903017) (2159)	1	95.30%	1. d4 Nf6 2. c4 e6 3. g3 d5
2026.03.29	Reykjavik Open 2026	7.34	2026.03.29 Krishay Jain (25129597) (2097)	½	97.00%	1. e4 e6 2. d4 d5 3. Nc3 Nf6
2026.03.28	Reykjavik Open 2026	6.15	2026.03.28 Warmerdam, Max (1048104) (2575)	½	97.30%	1. e4 c5 2. Nf3 d6 3. d4 cxd4
2026.03.28	Reykjavik Open 2026	5.50	2026.03.28 Oelschlaeger, Lennart (12996807) (1984)	1	91.60%	1. e4 c5 2. Nf3 d6 3. d4 cxd4
2026.03.26	Reykjavik Open 2026	3.23	2026.03.26 Amar, Elham (1533533) (2581)	0	88.60%	1. e4 c5 2. Nf3 d6 3. d4 cxd4
2026.03.26	Reykjavik Open 2026	2.6	2026.03.26 Lagarde, Maxime (662399) (2618)	½	99.10%	1. e4 c5 2. Nf3 Nc6 3. Bb5 e6
2026.03.22	Round 8: Delgado Ramirez, Neuris - Guo, Ethan	8.1	2026.03.22 Delgado Ramirez, Neuris (3503631) (2509)	½	95.90%	1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7
2026.03.21	Round 7: Guo, Ethan - Padhya Saumil	7.2	2026.03.21 Padhya Saumil (5079853) (2300)	1	96.90%	1. e4 c5 2. Nf3 d6 3. d4 cxd4
2026.03.21	Round 6: Melillo, Lucius - Guo, Ethan	6.4	2026.03.21 Melillo, Lucius (30958245) (2306)	½	-	1. Nf3 c5 2. c4 Nc6 3. Nc3 e5
2026.03.20	Round 5: Guo, Ethan - Lu, Maximillian	5.2	2026.03.20 Lu, Maximillian (2096242) (2424)	½	96.10%	1. e4 c6 2. Nf3 d5 3. d3 g6
2026.03.20	Round 4: Matviishen, Viktor - Guo, Ethan	4.3	2026.03.20 Matviishen, Viktor (14129850) (2523)	0	72.80%	1. d4 Nf6 2. c4 e6 3. Nc3 Bb4
2026.03.19	Round 3: Guo, Ethan - Zhu, Linxi	3.4	2026.03.19 Zhu, Linxi (39900428) (2308)	0	92.00%	1. e4 c5 2. Nf3 d6 3. d4 cxd4
2026.03.19	Round 2: Preotu, Razvan - Guo, Ethan	2.2	2026.03.19 Preotu, Razvan (2613280) (2502)	0	86.40%	1. Nf3 c5 2. c4 Nc6 3. Nc3 e5
2026.03.18	Round 1: Guo, Ethan - Jing, Andrew	1.5	2026.03.18 Jing, Andrew (30984076) (2342)	½	92.10%	1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6
2026.03.17	Texas Grand Circuit ed1. Dallas International Section	9.3	2026.03.17 Corrales Jimenez, Fidel (3506690) (2504)	½	-	1. e4 c5 2. Nf3 d6 3. d4 cxd4
2026.03.16	Texas Grand Circuit ed1. Dallas International Section	8.3	2026.03.16 Kantor, Gergely (751499) (2515)	0	82.60%	1. e4 c5 2. Nf3 d6 3. d4 cxd4
2026.03.15	Round 9: Guo, Ethan - Atwell, Rose	9.1	2026.03.15 Atwell, Rose (30951011) (2354)	1	96.50%	1. e4 e6 2. d4 d5 3. Nc3 Nf6
2026.03.15	Texas Grand Circuit ed1. Dallas International Section	7.1	2026.03.15 Bilych, Oleksii (14156504) (2441)	½	80.20%	1. e4 c5 2. Nf3 d6 3. d4 cxd4
2026.03.15	Texas Grand Circuit ed1. Dallas International Section	6.2	2026.03.15 Liu, Eric (30960240) (2431)	0	-	1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6
2026.03.14	Texas Grand Circuit ed1. Dallas International Section	4.3	2026.03.14 Boyer, Mahel (45102422) (2475)	1	90.20%	1. e4 Nc6 2. d4 d5 3. e5 f6
2026.03.13	Texas Grand Circuit ed1. Dallas International Section	3.4	2026.03.13 Vivekananthan, Anish (2090775) (2400)	1	93.00%	1. d4 Nf6 2. c4 g6 3. Nc3 d5
2026.03.13	Texas Grand Circuit ed1. Dallas International Section	2.3	2026.03.13 Budisavljevic, Luka (960047) (2501)	½	96.70%	1. e4 c5 2. Nf3 Nc6 3. d4 cxd4
2026.02.15	17th Annual Southwest Class Tournament	6.8	2026.02.15 Fus, Jakub (1193023) (2423)	*	-	1. e4 c5 2. Nf3 e6 3. d4 cxd4
2026.02.14	Round 5: Dudin, Gleb - Guo, Ethan	5.3	2026.02.14 Dudin, Gleb (34184934) (2596)	0	89.40%	1. d4 Nf6 2. Nf3 g6 3. c4 Bg7
2026.02.14	Round 4: Guo, Ethan - Matviishen, Viktor	4.2	2026.02.14 Matviishen, Viktor (14129850) (2533)	1	94.50%	1. e4 c5 2. Nf3 d6 3. d4 cxd4
2026.02.14	Round 3: Delgado Ramirez, Neuris - Guo, Ethan	3.2	2026.02.14 Delgado Ramirez, Neuris (3503631) (2511)	½	98.30%	1. e4 c5 2. Nf3 d6 3. d4 cxd4
2026.01.19	Round 9: Guo, Ethan - Adewumi, Tanitoluwa	9.5	2026.01.19 Adewumi, Tanitoluwa (30966396) (2448)	½	94.00%	1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6
2026.01.18	Round 7: Mirzoev, Azer - Guo, Ethan	7.5	2026.01.18 Mirzoev, Azer (13400304) (2471)	½	99.10%	1. d4 Nf6 2. Nf3 g6 3. Nbd2 c5
2026.01.18	Round 6: Guo, Ethan - Stremavicius, Titas	6.2	2026.01.18 Stremavicius, Titas (12804444) (2552)	0	89.30%	1. e4 e6 2. d4 d5 3. Nc3 Nf6
2026.01.17	Round 5: Lu, Maximillian - Guo, Ethan	5.4	2026.01.17 Lu, Maximillian (2096242) (2411)	0	91.80%	1. e4 c5 2. Nf3 d6 3. d4 cxd4
2026.01.17	Round 4: Guo, Ethan - Matviishen, Viktor	4.3	2026.01.17 Matviishen, Viktor (14129850) (2528)	0	83.90%	1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5
2026.01.16	Round 3: Griffith, Kyron - Guo, Ethan	3.3	2026.01.16 Griffith, Kyron (2046318) (2419)	½	92.50%	1. e4 c5 2. Nf3 d6 3. d4 cxd4
2026.01.15	Round 2: Guo, Ethan - Narayanan, Samrug	2.4	2026.01.15 Narayanan, Samrug (30914051) (2428)	1	98.00%	1. e4 c6 2. Nf3 d5 3. d3 dxe4
2026.01.14	Round 8: Ozenir, Ekin Baris - Guo, Ethan	8.1	2026.01.14 Ozenir, Ekin Baris (6357415) (2433)	0	90.50%	1. c4 c5 2. Nc3 g6 3. g3 Bg7
2026.01.14	Round 1: Tanenbaum, Zachary - Guo, Ethan	1.2	2026.01.14 Tanenbaum, Zachary (2060850) (2371)	½	93.60%	1. e4 c5 2. Nf3 d6 3. d4 cxd4
2026.01.04	Round 9: Guo, Ethan - Guo, Felix	9.3	2026.01.04 Guo, Felix (30997550) (2111)	½	96.70%	1. e4 c6 2. d4 d5 3. e5 Bf5
2026.01.04	Round 8: Flores Quillas, Diego Saul Rodri - Guo, Ethan	8.3	2026.01.04 Flores Quillas, Diego Saul Rodri (3822508) (2400)	0	89.00%	1. e4 c5 2. Nf3 d6 3. c3 Nf6
2026.01.04	Round 7: Guo, Ethan - Venkatesh, Narayan	7.4	2026.01.04 Venkatesh, Narayan (30987881) (2288)	½	-	1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6
2026.01.03	Round 6: Liu, Patrick - Guo, Ethan	6.2	2026.01.03 Liu, Patrick (30966213) (2112)	½	93.20%	1. e4 c5 2. Nf3 d6 3. d4 cxd4
2026.01.03	Round 5: Guo, Ethan - Chinni, Rishabh	5.5	2026.01.03 Chinni, Rishabh (30966060) (2050)	1	97.90%	1. e4 c5 2. Nf3 g6 3. d4 cxd4
2026.01.02	Round 3: Doknjas, Neil - Guo, Ethan	3.5	2026.01.02 Doknjas, Neil (2617587) (2242)	1	97.80%	1. d4 Nf6 2. c4 e6 3. Nc3 Bb4
2026.01.01	Round 4: Soriano Quispe, Ivan Excender - Guo, Ethan	4.1	2026.01.01 Soriano Quispe, Ivan Excender (3822656) (2369)	½	91.70%	1. e4 c5 2. Nf3 e6 3. g3 Nc6
2026.01.01	Round 2: Guo, Ethan - Figueredo Losada, Leonel	2.2	2026.01.01 Figueredo Losada, Leonel (3507971) (2284)	1	93.60%	1. e4 e5 2. Nf3 d6 3. d4 exd4
2026.01.01	Round 1: Sanat Singhal - Guo, Ethan	1.4	2026.01.01 Sanat Singhal (25683292) (1927)	1	95.60%	1. e4 c5 2. Nf3 d6 3. d4 cxd4
2025.12.30	35th annual North American Open	8.18	2025.12.30 Vivekananthan, Anish (2090775) (2412)	½	-	1. e4 c5 2. Nf3 d6 3. d4 cxd4
2025.11.30	Round 8: Guo, Ethan - Daggupati, Balaji	8.26	2025.11.30 Daggupati, Balaji (2090759) (2459)	0	91.20%	1. e4 c5 2. Nf3 Nc6 3. d4 cxd4
2025.11.30	Round 7: Guo, Ethan - Rahul Srivatshav P	7.23	2025.11.30 Rahul Srivatshav P (25059653) (2472)	½	-	1. e4 e6 2. d4 d5 3. Nc3 Nf6
2025.11.28	Round 5: Guo, Ethan - Shabalov, Alexander	5.21	2025.11.28 Shabalov, Alexander (2008572) (2478)	0	83.50%	1. e4 c5 2. Nf3 Nc6 3. d4 cxd4
2025.11.27	Round 3: Guo, Ethan - Sonis, Francesco	3.21	2025.11.27 Sonis, Francesco (895733) (2558)	½	92.90%	1. e4 c6 2. Nf3 d5 3. d3 g6
2025.11.27	Round 2: Li, Ruifeng - Guo, Ethan	2.10	2025.11.27 Li, Ruifeng (2061074) (2545)	½	97.80%	1. e4 c5 2. Nc3 d6 3. Nge2 Nf6
2025.11.25	Round 9: Guo, Ethan - Bruzon Batista, Lazaro	9.5	2025.11.25 Bruzon Batista, Lazaro (3503739) (2550)	0	88.70%	1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5
2025.11.24	Round 7: Ludwig, John - Guo, Ethan	7.5	2025.11.24 Ludwig, John (2075512) (2354)	½	65.50%	1. e4 c5 2. Nf3 d6 3. d4 cxd4
2025.11.23	Round 6: Guo, Ethan - Cordova, Emilio	6.2	2025.11.23 Cordova, Emilio (3801497) (2488)	0	87.60%	1. e4 c6 2. Nc3 d5 3. Nf3 dxe4
2025.11.23	Round 5: Melillo, Lucius - Guo, Ethan	5.4	2025.11.23 Melillo, Lucius (30958245) (2286)	1	93.60%	1. e4 c5 2. Nf3 d6 3. Nc3 Nf6
2025.11.22	Round 4: Guo, Ethan - Jing, Andrew	4.3	2025.11.22 Jing, Andrew (30984076) (2297)	0	92.40%	1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6
2025.11.22	Round 3: Harsha Bharathakoti - Guo, Ethan	3.3	2025.11.22 Harsha Bharathakoti (5078776) (2526)	0	88.40%	1. d4 Nf6 2. c4 g6 3. Nc3 d5
2025.11.21	Round 2: Guo, Ethan - Yang, Jingyun (ryan)	2.4	2025.11.21 Yang, Jingyun (ryan) (2637375) (2352)	½	96.70%	1. e4 c5 2. Nf3 e6 3. b3 b6
2025.11.21	Round 1: Latorre, Vincent - Guo, Ethan	1.2	2025.11.21 Latorre, Vincent (2636891) (2301)	0	90.10%	1. e4 c5 2. Nf3 d6 3. d4 cxd4
2025.11.19	Round 8: Wang, Tianqi - Guo, Ethan	8.1	2025.11.19 Wang, Tianqi (2063824) (2344)	½	95.90%	1. Nf3 c5 2. c4 Nc6 3. b3 e5
2025.09.30	Round 11: Guo, Ethan - Zhang, Junyi	11.3	2025.09.30 Zhang, Junyi (494437) (2083)	1	95.80%	1. e4 c5 2. Nf3 e6 3. b3 Nc6
2025.09.29	Round 10: Bulgak, Damir - Guo, Ethan	10.2	2025.09.29 Bulgak, Damir (13528882) (2254)	½	90.20%	1. e4 c5 2. Nf3 e6 3. d4 cxd4
2025.09.26	Round 7: Shangin, Lev - Guo, Ethan	7.2	2025.09.26 Shangin, Lev (55681085) (2163)	1	93.80%	1. d4 Nf6 2. c4 e6 3. Nc3 Bb4
2025.09.22	Round 4: Guo, Ethan - Kotsyuba, Victor	4.4	2025.09.22 Kotsyuba, Victor (55654517) (2050)	1	94.70%	1. e4 c5 2. Nf3 d6 3. d4 cxd4
2025.09.21	Round 3: Obidjonov, Oriyat - Guo, Ethan	3.1	2025.09.21 Obidjonov, Oriyat (14222531) (2064)	½	98.10%	1. e4 c5 2. Nf3 d6 3. c3 Nf6
2025.09.15	Round 9: Guo, Ethan - Kuandykuly, Danis	9.1	2025.09.15 Kuandykuly, Danis (13752260) (2211)	1	94.20%	1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6
2025.09.15	Round 8: Guo, Ethan - Uzdemir, Ali Poyraz	8.1	2025.09.15 Uzdemir, Ali Poyraz (51619733) (2196)	0	87.80%	1. e4 c5 2. Nf3 d6 3. d4 cxd4
2025.09.15	Round 6: Guo, Ethan - Madhvendra Pratap Sharma	6.1	2025.09.15 Madhvendra Pratap Sharma (25985663) (2187)	½	91.10%	1. e4 e6 2. d4 d5 3. Nd2 Nc6
2025.09.15	Round 5: Kudrin, Ivan - Guo, Ethan	5.1	2025.09.15 Kudrin, Ivan (34458581) (2158)	1	94.00%	1. d4 Nf6 2. c4 e6 3. Nc3 Bb4
2025.09.15	Round 2: Guo, Ethan - Zhauynbay, Alimzhan	2.1	2025.09.15 Zhauynbay, Alimzhan (13782657) (1968)	1	94.20%	1. e4 c5 2. Nf3 Nc6 3. Bb5 g6
2025.09.15	Round 1: Wang, Muyu Lucas - Guo, Ethan	1.1	2025.09.15 Wang, Muyu Lucas (2673894) (1816)	1	96.30%	1. d4 Nf6 2. c4 e6 3. Nf3 b6
2025.07.31	Round 6: Guo, Ethan - Lopez Rayo, Santiago	6.3	2025.07.31 Lopez Rayo, Santiago (4455665) (2350)	0	93.10%	1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6
2025.07.20	Round 9: Plat, Vojtech - Guo, Ethan	9.9	2025.07.20 Plat, Vojtech (325740) (2487)	½	91.30%	1. d4 Nf6 2. c4 g6 3. g3 c6
2025.07.20	Round 8: Guo, Ethan - Song, Michael	8.9	2025.07.20 Song, Michael (2613190) (2403)	½	99.00%	1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5
2025.07.19	Round 7: Guo, Ethan - Rahul Srivatshav P	7.8	2025.07.19 Rahul Srivatshav P (25059653) (2455)	0	90.40%	1. e4 e6 2. d4 d5 3. Nd2 c5
2025.07.19	Round 6: Paragua, Mark - Guo, Ethan	6.6	2025.07.19 Paragua, Mark (5201241) (2418)	½	96.00%	1. d4 Nf6 2. c4 g6 3. Nf3 Bg7
2025.07.18	Round 5: Guo, Ethan - Korley, Kassa	5.8	2025.07.18 Korley, Kassa (2033801) (2407)	½	97.50%	1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6
2025.07.18	Round 4: Plotkin, Mark - Guo, Ethan	4.10	2025.07.18 Plotkin, Mark (2611651) (2357)	1	91.10%	1. d4 Nf6 2. c4 g6 3. g3 c6
2025.07.17	Round 3: Guo, Ethan - Stancil, Kimani	3.19	2025.07.17 Stancil, Kimani (2018594) (1930)	1	98.00%	1. e4 c5 2. Nf3 d6 3. d4 cxd4
2025.07.16	Round 1: Guo, Ethan - Nagy, Gabor	1.4	2025.07.16 Nagy, Gabor (737119) (2463)	0	91.50%	1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6
2025.07.10	Round 3: Wongso, Steve - Guo, Ethan	3.5	2025.07.10 Wongso, Steve (30939020) (2154)	1	-	1. e4 c5 2. Nf3 d6 3. d4 cxd4
2025.07.07	Round 9: Movsziszian, Karen - Guo, Ethan	9.1	2025.07.07 Movsziszian, Karen (13301152) (2380)	½	97.30%	1. c4 c5 2. Nc3 Nc6 3. g3 g6
2025.07.07	Round 8: Guo, Ethan - Heimisson, Hilmir Freyr	8.1	2025.07.07 Heimisson, Hilmir Freyr (2309998) (2342)	½	97.20%	1. e4 c5 2. Nf3 Nc6 3. d4 cxd4
2025.07.07	Round 7: Yudasin, Leonid - Guo, Ethan	7.1	2025.07.07 Yudasin, Leonid (2802341) (2290)	½	97.00%	1. e4 c5 2. Nf3 d6 3. c3 Nf6
2025.07.07	Round 6: Guo, Ethan - Moor, Nathaniel Philip	6.1	2025.07.07 Moor, Nathaniel Philip (30970610) (2261)	1	98.30%	1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6
2025.07.07	Round 5: Mottola, Max - Guo, Ethan	5.1	2025.07.07 Mottola, Max (30985862) (2247)	1	88.90%	1. e4 c5 2. Nf3 d6 3. d4 cxd4
2025.07.07	Round 4: Guo, Ethan - Bilych, Oleksii	4.1	2025.07.07 Bilych, Oleksii (14156504) (2446)	1	96.30%	1. e4 c5 2. Nf3 d6 3. d4 cxd4
2025.07.07	Round 2: Guo, Ethan - Colville, Julian	2.1	2025.07.07 Colville, Julian (30963273) (2248)	½	85.60%	1. e4 c5 2. Nf3 Nc6 3. Bb5 g6
2025.07.07	Round 1: Atwell, Rose - Guo, Ethan	1.1	2025.07.07 Atwell, Rose (30951011) (2271)	½	92.60%	1. e4 c5 2. Nc3 d6 3. g3 Nc6
2025.07.02	Tiebreak Rapid: Guo, Ethan - Bulgak, Damir	4.1	2025.07.02 Bulgak, Damir (13528882) (2213)	*	-	1. e4 c5 2. Nf3 a6 3. c3 d5
2025.07.02	Game 2: Guo, Ethan - Bulgak, Damir	2.2	2025.07.02 Bulgak, Damir (13528882) (2213)	1	97.10%	1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6
2025.07.01	Game 1: Bulgak, Damir - Guo, Ethan	1.2	2025.07.01 Bulgak, Damir (13528882) (2213)	0	87.00%	1. e4 c5 2. Nf3 d6 3. d4 cxd4
2025.06.30	Tiebreak Rapid: Bulgak, Damir - Guo, Ethan	3.1	2025.06.30 Bulgak, Damir (13528882) (2213)	1	59.80%	1. e4 c5 2. Nf3 e6 3. d4 cxd4
2025.06.29	Round 7: Guo, Ethan - Yang, Lanqin	7.2	2025.06.29 Yang, Lanqin (8653984) (1931)	1	95.00%	1. e4 c5 2. Nf3 e6 3. c3 Nf6
2025.06.27	Round 5: Wang, Jacob S - Guo, Ethan	5.2	2025.06.27 Wang, Jacob S (30973350) (1891)	1	97.40%	1. d4 Nf6 2. c4 e6 3. Nf3 c5
2025.06.26	Round 4: Guo, Ethan - Aryan Mehta	4.3	2025.06.26 Aryan Mehta (33329664) (1904)	½	87.80%	1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5
2025.06.25	Round 3: Somaraju, Sai Vivan Karthikeya - Guo, Ethan	3.4	2025.06.25 Somaraju, Sai Vivan Karthikeya (110033474) (1833)	1	95.00%	1. c4 Nf6 2. Nc3 c5 3. g3 g6
2025.06.24	Round 2: Guo, Ethan - Elemes, Beibarys	2.3	2025.06.24 Elemes, Beibarys (447008059) (1875)	½	93.90%	1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6
2025.06.23	Round 1: Diasamidze, Rati - Guo, Ethan	1.3	2025.06.23 Diasamidze, Rati (13636804) (1706)	1	96.50%	1. e4 c5 2. Nf3 d6 3. d4 cxd4
2025.05.31	Round 6: Sameh Mohamed, Abdalrahman - Guo, Ethan	6.1	2025.05.31 Sameh Mohamed, Abdalrahman (54262674) (2242)	½	90.50%	1. e4 c5 2. Nf3 d6 3. d4 cxd4
2025.04.17	Round 11: Guo, Ethan - Baltayev, Didar	11.1	2025.04.17 Baltayev, Didar (14008092) (1917)	1	87.30%	1. Nf3 d5 2. g3 Nf6 3. Bg2 Bf5
2025.04.17	Round 10: Nguyen Truong An Khang - Guo, Ethan	10.1	2025.04.17 Nguyen Truong An Khang (12427616) (1788)	1	95.00%	1. d4 Nf6 2. c4 g6 3. f3 e6
2025.04.17	Round 9: Nguyen Truong Phuc - Guo, Ethan	9.1	2025.04.17 Nguyen Truong Phuc (12431591) (1846)	1	-	1. e4 c5 2. Nf3 d6 3. d4 cxd4
2025.04.17	Round 8: Guo, Ethan - Belyaletdinov, Leonard	8.1	2025.04.17 Belyaletdinov, Leonard (14641771) (2018)	½	79.10%	1. e4 c6 2. Nc3 d5 3. Nf3 dxe4
2025.04.17	Round 7: Nurakyn, Suleiman - Guo, Ethan	7.1	2025.04.17 Nurakyn, Suleiman (447003073) (1997)	1	93.00%	1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7
2025.04.16	Round 6: Guo, Ethan - Bulgak, Damir	6.1	2025.04.16 Bulgak, Damir (13528882) (2098)	½	97.00%	1. e4 c5 2. Nf3 Nc6 3. d4 cxd4
2025.04.16	Round 5: Sason, Noam - Guo, Ethan	5.1	2025.04.16 Sason, Noam (371282346) (2033)	1	-	1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7
2025.04.16	Round 4: Guo, Ethan - Zabelin, Platon	4.1	2025.04.16 Zabelin, Platon (55722849) (1975)	1	-	1. e4 c6 2. Nc3 d5 3. Nf3 dxe4
2025.04.16	Round 3: El Zein, Bassam - Guo, Ethan	3.1	2025.04.16 El Zein, Bassam (5313228) (1934)	1	90.10%	1. e4 c5 2. Nf3 e6 3. d3 Nc6
2025.04.16	Round 2: Guo, Ethan - Kolar, Edvard	2.2	2025.04.16 Kolar, Edvard (23746238) (1868)	1	87.50%	1. e4 c5 2. Nf3 d6 3. d4 cxd4
2025.04.16	Round 1: Classen, Marnin - Guo, Ethan	1.3	2025.04.16 Classen, Marnin (34623833) (1630)	1	-	1. d4 Nf6 2. c4 e6 3. Nc3 Bb4
2025.04.15	Round 11: Guo, Ethan - Velim, Vojtech	11.3	2025.04.15 Velim, Vojtech (23749407) (2083)	½	92.20%	1. e4 g6 2. d4 Bg7 3. Nc3 d6
2025.04.15	Round 10: Braaten, Birk - Guo, Ethan	10.3	2025.04.15 Braaten, Birk (1568175) (1884)	1	96.20%	1. e4 c5 2. Nf3 d6 3. d4 cxd4
2025.04.15	Round 9: Guo, Ethan - El Zein, Bassam	9.2	2025.04.15 El Zein, Bassam (5313228) (2238)	1	96.40%	1. e4 e6 2. d4 d5 3. Nd2 c5
2025.04.14	Round 8: Nguyen Truong Phuc - Guo, Ethan	8.5	2025.04.14 Nguyen Truong Phuc (12431591) (1575)	1	97.90%	1. e4 c5 2. Nf3 e6 3. d4 cxd4
2025.04.14	Round 7: Guo, Ethan - Sason, Noam	7.2	2025.04.14 Sason, Noam (371282346) (1967)	0	82.00%	1. e4 c5 2. Nf3 a6 3. c4 Nc6
2025.04.14	Round 6: Guo, Ethan - Eshkol, Idan	6.4	2025.04.14 Eshkol, Idan (2860368) (1849)	1	-	1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6
2025.04.14	Round 5: Nurakyn, Suleiman - Guo, Ethan	5.2	2025.04.14 Nurakyn, Suleiman (447003073) (1891)	½	94.40%	1. d4 Nf6 2. c4 e6 3. Nf3 c5
2025.04.13	Round 4: Guo, Ethan - Bulgak, Damir	4.1	2025.04.13 Bulgak, Damir (13528882) (2101)	½	78.50%	1. e4 c5 2. Nf3 Nc6 3. d4 cxd4
2025.04.13	Round 3: Nguyen Truong An Khang - Guo, Ethan	3.6	2025.04.13 Nguyen Truong An Khang (12427616) (1862)	1	94.40%	1. d4 Nf6 2. c4 g6 3. f3 e6
2025.04.13	Round 2: Guo, Ethan - Voishnis, Ivan	2.7	2025.04.13 Voishnis, Ivan (13532197) (1723)	1	95.40%	1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5
2025.04.13	Round 1: Papadopoulos, Antonios P - Guo, Ethan	1.9	2025.04.13 Papadopoulos, Antonios P (42153700)	1	95.70%	1. d4 Nf6 2. Bf4 d5 3. e3 c5
2024.12.23	2024 North American Youth Championship - OPEN	9.6	2024.12.23 Mou, Iris (30939836) (2226)	1	94.10%	1. e4 c5 2. Nf3 e6 3. g3 Nc6
2024.12.22	2024 North American Youth Championship - OPEN	8.4	2024.12.22 Tang, Zoey (30952530) (2306)	½	94.70%	1. e4 c5 2. Nf3 Nc6 3. d4 cxd4
2024.12.18	2024 North American Youth Championship - OPEN	1.4	2024.12.18 Zheng, Richard (2624893) (2315)	0	75.40%	1. d4 Nf6 2. Bg5 d5 3. e3 c5
2024.11.26	Round 11: Wijerathna, Vinuka Dihain - Guo, Ethan	11.9	2024.11.26 Wijerathna, Vinuka Dihain (29981905) (2004)	½	92.30%	1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7
2024.11.25	Round 10: Guo, Ethan - Birmenko, Nikolay	10.8	2024.11.25 Birmenko, Nikolay (34401610) (2084)	0	83.30%	1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5
2024.11.24	Round 9: Kleschevnikov, Arseny - Guo, Ethan	9.9	2024.11.24 Kleschevnikov, Arseny (55677282) (1893)	1	96.20%	1. d4 Nf6 2. c4 e6 3. Bf4 Bb4+
2024.11.23	Round 8: Guo, Ethan - Bocquenet-Drouode, Hugo	8.14	2024.11.23 Bocquenet-Drouode, Hugo (652009173) (2002)	1	94.70%	1. e4 c5 2. Nf3 Nc6 3. d4 cxd4
2024.11.22	Round 7: Tatvidze, Davit - Guo, Ethan	7.11	2024.11.22 Tatvidze, Davit (13628470) (2024)	½	98.30%	1. c4 Nf6 2. Nf3 c5 3. Nc3 e6
2024.11.20	Round 6: Guo, Ethan - Matejka, Simon	6.19	2024.11.20 Matejka, Simon (14974541) (1924)	1	93.80%	1. e4 e6 2. d4 d5 3. Nd2 c5
2024.11.19	Round 5: Guo, Ethan - Petrovski, Nikola	5.29	2024.11.19 Petrovski, Nikola (15007839) (1829)	1	88.90%	1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5
2024.11.18	Round 4: Isakov, Amin - Guo, Ethan	4.41	2024.11.18 Isakov, Amin (13830325) (1698)	1	89.10%	1. e4 c5 2. Nf3 d6 3. d4 cxd4
2024.11.17	Round 3: Le, Anh Tu - Guo, Ethan	3.26	2024.11.17 Le, Anh Tu (12424846) (1812)	0	56.90%	1. e4 c5 2. Nf3 d6 3. d4 cxd4
2024.11.16	Round 2: Guo, Ethan - Krasniqi, Troi	2.43	2024.11.16 Krasniqi, Troi (22106391) (1610)	1	95.50%	1. e4 c5 2. Nf3 d6 3. d4 cxd4
2024.11.15	Round 1: Simiyu Jadon - Guo, Ethan	1.14	2024.11.15 Simiyu Jadon (10824014) (1784)	0	80.10%	1. e4 c5 2. Nf3 d6 3. d4 cxd4
2024.11.10	Round 4: Paredes Lagos, Anthony Javier - Guo, Ethan	4.4	2024.11.10 Paredes Lagos, Anthony Javier (3817210) (2351)	½	82.90%	1. e4 c5 2. Nf3 d6 3. c3 Nf6
2024.11.09	Round 3: Sanchez, Sebastian Felipe - Guo, Ethan	3.5	2024.11.09 Sanchez, Sebastian Felipe (4403304) (2376)	0	78.90%	1. d4 Nf6 2. Bg5 d5 3. e3 c5
2024.11.09	Round 2: Guo, Ethan - Oblitas, Carlomagno	2.1	2024.11.09 Oblitas, Carlomagno (3800156) (2382)	0	84.90%	1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6
2024.11.08	Round 1: Gemy, Jose Daniel - Guo, Ethan	1.2	2024.11.08 Gemy, Jose Daniel (3301478) (2320)	*	98.00%	1. Nf3 d5 2. d4 Nf6 3. c4 e6
2024.10.13	Round 1: Quesada Perez, Yasser - Guo, Ethan	1.3	2024.10.13 Quesada Perez, Yasser (3509362) (2592)	0	93.80%	1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7
2024.10.06	Round 5: Filgueiras, Nathan Felipe - Guo, Ethan	5.1	2024.10.06 Filgueiras, Nathan Felipe (2188562) (2343)	½	92.90%	1. e4 c5 2. Nc3 d6 3. Nge2 Nf6
2024.10.06	Round 4: Guo, Ethan - Sheng, Joshua	4.2	2024.10.06 Sheng, Joshua (2057360) (2482)	0	88.30%	1. e4 e6 2. d4 d5 3. Nd2 Be7
2024.10.05	Round 3: Guo, Ethan - Sanchez, Sebastian Felipe	3.3	2024.10.05 Sanchez, Sebastian Felipe (4403304) (2384)	0	89.70%	1. e4 c5 2. Nf3 e6 3. d4 cxd4
2024.10.05	Round 2: Heimann, Mark - Guo, Ethan	2.4	2024.10.05 Heimann, Mark (2028441) (2461)	½	88.30%	1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7
2024.10.04	Round 1: Guo, Ethan - Garcia, Jhoel	1.5	2024.10.04 Garcia, Jhoel (3801110) (2360)	0	84.40%	1. e4 c5 2. Nf3 d6 3. d4 cxd4
2024.09.02	Round 7: Guo, Ethan - Tang, Dylan	7.15	2024.09.02 Tang, Dylan (30972531) (2144)	½	96.00%	1. e4 e5 2. Nf3 Nc6 3. d4 exd4
2024.09.02	Round 6: Guo, Ethan - Garduno Huerta, Joshua Emiliano	6.15	2024.09.02 Garduno Huerta, Joshua Emiliano (5145848) (2116)	½	97.30%	1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5
2024.09.01	Round 5: Yim, Sung Ho - Guo, Ethan	5.13	2024.09.01 Yim, Sung Ho (2062020) (2291)	0	88.50%	1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7
2024.09.01	Round 4: Guo, Ethan - Piasetski, Leon	4.14	2024.09.01 Piasetski, Leon (2600072) (2167)	½	96.10%	1. e4 e6 2. d4 d5 3. Nd2 dxe4
2024.08.31	Round 3: Champsi, Imran - Guo, Ethan	3.14	2024.08.31 Champsi, Imran (30960622) (2012)	½	94.80%	1. d4 Nf6 2. c4 g6 3. Nc3 d5
2024.08.31	Round 2: Guo, Ethan - Gonzalez Zharikov, Andrey	2.20	2024.08.31 Gonzalez Zharikov, Andrey (5145287) (2070)	1	91.30%	1. e4 c6 2. Nc3 d5 3. Nf3 dxe4
2024.08.30	Round 1: Koustav Chatterjee - Guo, Ethan	1.6	2024.08.30 Koustav Chatterjee (25073060) (2524)	0	87.90%	1. Nf3 Nf6 2. c4 g6 3. d4 Bg7
2024.08.16	Round 6: Liang, Jason - Guo, Ethan	6.2	2024.08.16 Liang, Jason (30940303) (2398)	0	87.20%	1. e4 c5 2. Nf3 d6 3. d4 cxd4
2024.08.15	Round 4: Han, Johnathan - Guo, Ethan	4.6	2024.08.15 Han, Johnathan (2629631) (2340)	½	97.80%	1. e4 c5 2. Nf3 d6 3. d4 cxd4
2024.07.14	Round 8: Yanayt, Eugene - Guo, Ethan	8.5	2024.07.14 Yanayt, Eugene (2020165) (2101)	1	96.40%	1. d4 Nf6 2. c4 g6 3. Nc3 d5
2024.07.13	Round 7: Guo, Ethan - Wongso, Steve	7.2	2024.07.13 Wongso, Steve (30939020) (2178)	1	95.50%	1. e4 c5 2. Nf3 Nc6 3. d4 cxd4
2024.07.13	Round 6: Rama, Tejas - Guo, Ethan	6.4	2024.07.13 Rama, Tejas (30907381) (2265)	½	95.40%	1. d4 Nf6 2. c4 g6 3. Nc3 d5
2024.07.12	Round 5: Guo, Ethan - Sun, Ryan	5.3	2024.07.12 Sun, Ryan (30965659) (2312)	½	96.20%	1. e4 c6 2. d4 d5 3. exd5 cxd5
2024.07.12	Round 4: Rajesh, C.S. - Guo, Ethan	4.3	2024.07.12 Rajesh, C.S. (5025184) (2258)	½	97.60%	1. e4 c5 2. Nf3 d6 3. d4 cxd4
2024.07.11	Round 3: Guo, Ethan - Yudasin, Leonid	3.4	2024.07.11 Yudasin, Leonid (2802341) (2336)	½	97.00%	1. e4 c5 2. Nf3 d6 3. d4 cxd4
2024.07.11	Round 2: Sochacki, Wojtek - Guo, Ethan	2.2	2024.07.11 Sochacki, Wojtek (651389) (2319)	½	96.60%	1. e4 c5 2. Nf3 d6 3. d4 cxd4
2024.07.10	Round 1: Guo, Ethan - Reiss, Aiden	1.5	2024.07.10 Reiss, Aiden (30955114) (2161)	0	88.50%	1. e4 c5 2. Nf3 e6 3. d4 cxd4
2024.07.09	Round 9: Guo, Ethan - Bortnyk, Mykola	9.1	2024.07.09 Bortnyk, Mykola (14120836) (2433)	0	88.40%	1. e4 Nf6 2. e5 Nd5 3. d4 d6
2024.07.02	Game 2: Ibrahimli, Suat - Guo, Ethan	2.3	2024.07.02 Ibrahimli, Suat (13441906) (1828)	½	96.50%	1. d4 Nf6 2. c4 g6 3. Nc3 d5
2024.07.01	Game 1: Guo, Ethan - Ibrahimli, Suat	1.3	2024.07.01 Ibrahimli, Suat (13441906) (1828)	1	97.60%	1. e4 c5 2. Nf3 e6 3. d4 cxd4
2024.06.28	Round 6: Guo, Ethan - Yang, ZiLong	6.2	2024.06.28 Yang, Zilong (8641528) (1874)	1	93.30%	1. e4 c5 2. Nf3 e6 3. d4 cxd4
2024.06.27	Round 5: Siddhanth Poonja - Guo, Ethan	5.2	2024.06.27 Siddhanth Poonja (25181823) (1958)	1	95.40%	1. d4 Nf6 2. Bf4 d5 3. Nf3 c5
2024.06.26	Round 4: Guo, Ethan - Yang, Maxwell	4.6	2024.06.26 Yang, Maxwell (30965268) (1979)	1	97.10%	1. e4 c5 2. Nf3 d6 3. d4 cxd4
2024.06.25	Round 3: Yin, Zeming - Guo, Ethan	3.4	2024.06.25 Yin, Zeming (2649098) (1832)	½	79.90%	1. e4 c5 2. Nf3 d6 3. d4 cxd4
2024.06.24	Round 2: Diasamidze, Rati - Guo, Ethan	2.8	2024.06.24 Diasamidze, Rati (13636804) (1646)	1	97.60%	1. d4 Nf6 2. c4 g6 3. Nc3 d5
2024.06.21	Round 7: Obidov, Biloliddin - Guo, Ethan	7.1	2024.06.21 Obidov, Biloliddin (14225271) (1998)	½	95.50%	1. d4 Nf6 2. Nf3 g6 3. c4 Bg7
2024.06.21	Round 1: Guo, Ethan - Yerzhanuly Yernur		2024.06.21 Yerzhanuly Yernur (13780255) (1810)	0	88.30%	1. e4 e6 2. d4 d5 3. Nd2 Nf6
2024.06.14	Round 9: Guo, Andrew - Guo, Ethan		2024.06.14 Guo, Andrew (30952719) (2230)	½	97.90%	1. d4 Nf6 2. c4 g6 3. g3 c6
2024.06.14	Round 8: Guo, Ethan - Yu, Jiangwei		2024.06.14 Yu, Jiangwei (8602620) (2291)	½	97.10%	1. e4 c5 2. Nf3 a6 3. c4 e6
2024.06.13	Round 7: Ganesan, Vikrant - Guo, Ethan		2024.06.13 Ganesan, Vikrant (30979463) (2038)	½	85.60%	1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+
2024.06.13	Round 6: Guo, Ethan - Vertetics, Attila		2024.06.13 Vertetics, Attila (723720) (2438)	½	98.20%	1. e4 c6 2. Nc3 d5 3. Nf3 g6
2024.06.12	Round 5: Yan, Nathan - Guo, Ethan		2024.06.12 Yan, Nathan (30966230) (2200)	½	98.40%	1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6
2024.06.12	Round 4: Guo, Ethan - Nagy, Gabor		2024.06.12 Nagy, Gabor (737119) (2448)	½	96.40%	1. e4 c5 2. Nf3 e6 3. d4 cxd4
2024.06.11	Round 3: Guo, Ethan - Atwell, Rose		2024.06.11 Atwell, Rose (30951011) (2274)	1	90.40%	1. e4 c5 2. Nf3 a6 3. c4 Nc6
2024.06.11	Round 2: Delgado Ramirez, Neuris - Guo, Ethan		2024.06.11 Delgado Ramirez, Neuris (3503631) (2487)	0	90.80%	1. e4 c5 2. Nf3 d6 3. c3 Nf6
2024.06.11	Round 1: Guo, Ethan - Melillo, Lucius		2024.06.11 Melillo, Lucius (30958245) (2306)	½	96.50%	1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6
2024.06.04	Round 9: Vatsal Singhania - Guo, Ethan		2024.06.04 Vatsal Singhania (25033972) (2259)	½	98.50%	1. e4 c5 2. Nf3 d6 3. d4 cxd4
2024.06.04	Round 8: Guo, Ethan - Delgado Ramirez, Neuris		2024.06.04 Delgado Ramirez, Neuris (3503631) (2487)	½	85.30%	1. e4 e5 2. Nf3 Nc6 3. d4 exd4
2024.06.03	Round 7: Andrews, Todd - Guo, Ethan		2024.06.03 Andrews, Todd (2012456) (2167)	0	83.40%	1. e4 c5 2. Nf3 d6 3. d4 cxd4
2024.06.03	Round 6: Guo, Ethan - Stevens, Adam B		2024.06.03 Stevens, Adam B (30999928) (1879)	½	89.20%	1. e4 e5 2. Nf3 Nc6 3. d4 exd4
2024.06.02	Round 5: Nagy, Gabor - Guo, Ethan		2024.06.02 Nagy, Gabor (737119) (2433)	½	93.80%	1. e4 c5 2. Nf3 d6 3. d4 cxd4
2024.06.02	Round 4: Guo, Ethan - Vertetics, Attila		2024.06.02 Vertetics, Attila (723720) (2440)	0	90.90%	1. e4 c6 2. d4 d5 3. exd5 cxd5
2024.06.01	Round 3: Bhatta, Rohit - Guo, Ethan		2024.06.01 Bhatta, Rohit (30965934) (1977)	½	97.90%	1. d4 Nf6 2. c4 g6 3. g3 Bg7
2024.06.01	Round 2: Guo, Ethan - Zaloznyy, Mike		2024.06.01 Zaloznyy, Mike (2023075) (2144)	1	95.70%	1. e4 c6 2. d4 d6 3. Nc3 Nf6
2024.06.01	Round 1: Guo, Ethan - Atwell, Rose		2024.06.01 Atwell, Rose (30951011) (2283)	0	86.10%	1. e4 c5 2. Nf3 Nf6 3. e5 Nd5
2024.05.27	Round 9: Guo, Ethan - Jiang, Lucas		2024.05.27 Jiang, Lucas (30957117) (2318)	0	93.30%	1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5
2024.05.27	Round 8: Cerveny, Martin - Guo, Ethan		2024.05.27 Cerveny, Martin (321141) (2367)	1	96.20%	1. d4 Nf6 2. c4 g6 3. Nc3 d5
2024.05.26	Round 7: Guo, Ethan - Rajaram, Rohan		2024.05.26 Rajaram, Rohan (30940729) (2113)	1	91.10%	1. e4 c5 2. Nf3 d6 3. d4 cxd4
2024.05.26	Round 6: Golsefidy, Sepehr - Guo, Ethan		2024.05.26 Golsefidy, Sepehr (30973368) (2006)	0	87.60%	1. d4 Nf6 2. c4 g6 3. Nc3 d5
2024.05.25	Round 5: Guo, Ethan - Taewooo Kim		2024.05.25 Taewooo Kim	1	93.80%	1. e4 e5 2. Nf3 Nc6 3. d4 exd4
2024.05.25	Round 4: Nanugonda, Vishva - Guo, Ethan		2024.05.25 Nanugonda, Vishva (30961335) (2063)	0	93.20%	1. d4 Nf6 2. c4 g6 3. Nc3 d5
2024.05.24	Round 3: Guo, Ethan - Yao, Hanchi		2024.05.24 Yao, Hanchi (30957397) (2003)	½	86.20%	1. e4 c5 2. Nf3 d6 3. d4 Nf6
2024.05.24	Round 2: Mirzoev, Azer - Guo, Ethan		2024.05.24 Mirzoev, Azer (13400304) (2447)	0	90.30%	1. d4 Nf6 2. c4 g6 3. Nc3 d5
2024.05.24	Round 1: Guo, Ethan - Strikovic, Aleksa		2024.05.24 Strikovic, Aleksa (900150) (2418)	½	94.90%	1. e4 d6 2. d4 Nf6 3. Nc3 e5
2024.04.21	Round 5: Gracia Alvarez, Gerardo Antonio - Guo, Ethan		2024.04.21 Gracia Alvarez, Gerardo Antonio (5109124) (2240)	½	93.80%	1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7
2024.04.21	Round 4: Heimann, Alexander - Guo, Ethan		2024.04.21 Heimann, Alexander (2006073) (2251)	0	84.80%	1. Nf3 d5 2. c4 d4 3. e3 Nc6
2024.04.07	Round 5: Guo, Ethan - Jimenez Garcia, Emmanuel		2024.04.07 Jimenez Garcia, Emmanuel (6504779) (2421)	0	89.80%	1. e4 d6 2. d4 Nf6 3. Nc3 e5
2024.04.06	Round 4: Alarcon Bahamondez, Roberto Ignacio - Guo, Ethan		2024.04.06 Alarcon Bahamondez, Roberto Ignacio (3408132) (2300)	½	91.90%	1. c4 Nf6 2. Nc3 g6 3. e4 e5
2024.04.06	Round 3: Guo, Ethan - Figueredo Losada, Leonel		2024.04.06 Figueredo Losada, Leonel (3507971) (2323)	0	89.00%	1. e4 e5 2. Nf3 Nc6 3. Bb5 a6
2024.04.05	Round 2: Zuluaga Mancilla, Cesar - Guo, Ethan		2024.04.05 Zuluaga Mancilla, Cesar (4401492) (2206)	0	87.90%	1. d4 Nf6 2. Nf3 g6 3. c4 Bg7
2024.04.05	Round 1: Guo, Ethan - Arenas, David		2024.04.05 Arenas, David (4403177) (2366)	0	90.60%	1. e4 c5 2. Nf3 d6 3. d4 Nf6
2024.04.04	Round 5: Zuluaga Mancilla, Cesar - Guo, Ethan		2024.04.04 Zuluaga Mancilla, Cesar (4401492) (2206)	½	98.40%	1. d4 Nf6 2. Nf3 g6 3. c4 Bg7
2024.04.03	Round 4: Guo, Ethan - Alarcon Bahamondez, Roberto Ignacio		2024.04.03 Alarcon Bahamondez, Roberto Ignacio (3408132) (2300)	1	98.40%	1. e4 c6 2. d4 d5 3. exd5 cxd5
2024.04.03	Round 3: Arenas, David - Guo, Ethan		2024.04.03 Arenas, David (4403177) (2366)	0	82.90%	1. e4 c5 2. Nf3 d6 3. Bc4 Nf6
2024.04.02	Round 2: Jimenez Garcia, Emmanuel - Guo, Ethan		2024.04.02 Jimenez Garcia, Emmanuel (6504779) (2421)	½	91.70%	1. Nf3 d5 2. g3 Nd7 3. Bg2 e5
2024.04.02	Round 1: Guo, Ethan - Figueredo Losada, Leonel		2024.04.02 Figueredo Losada, Leonel (3507971) (2323)	*	94.80%	1. e4 e5 2. Nf3 Nc6 3. Bb5 a6
2024.03.10	Round 5: Guo, Ethan - Stearman, Josiah		2024.03.10 Stearman, Josiah (2062496) (2464)	½	94.80%	1. e4 c5 2. Nf3 d6 3. d4 cxd4
2024.03.10	Round 4: Guo, Ethan - Heimann, Mark		2024.03.10 Heimann, Mark (2028441) (2435)	½	86.20%	1. e4 c6 2. Nc3 d5 3. Nf3 Nf6
2024.03.10	Round 3: Cu Hor, Winston Darwin - Guo, Ethan		2024.03.10 Cu Hor, Winston Darwin (7300662) (2343)	0	91.80%	1. Nf3 d5 2. c4 d4 3. e3 Nc6
2024.03.09	Round 2: Guo, Ethan - Arenas, David		2024.03.09 Arenas, David (4403177) (2368)	0	86.60%	1. e4 e5 2. Nf3 Nc6 3. Bb5 a6
2024.03.09	Round 1: Griffith, Kyron - Guo, Ethan		2024.03.09 Griffith, Kyron (2046318) (2352)	0	88.40%	1. e4 c5 2. Nc3 d6 3. d4 cxd4
2023.10.26	WCCC 2023 - Open U10	11.2	2023.10.26 Bulgak, Damir (13528882) (1596)	1	92.30%	1. e4 c5 2. Nf3 d6 3. d4 cxd4
2023.10.25	WCCC 2023 - Open U10	10.1	2023.10.25 Kuandykuly, Danis (13752260) (1870)	0	92.10%	1. e4 c5 2. Nf3 d6 3. c3 Nf6
2023.10.24	WCCC 2023 - Open U10	9.1	2023.10.24 Kleimenov, Nikolay (34414223) (2075)	½	94.60%	1. e4 c5 2. Nf3 d6 3. d4 cxd4
2023.10.23	WCCC 2023 - Open U10	8.1	2023.10.23 Kleschevnikov, Arseny (55677282) (1770)	½	95.00%	1. d4 Nf6 2. c4 e6 3. Nc3 Bb4
2023.10.22	WCCC 2023 - Open U10	7.1	2023.10.22 Banerjee, Supratit (2410079) (1939)	1	93.50%	1. e4 e6 2. d4 d5 3. Nd2 dxe4
2023.10.21	WCCC 2023 - Open U10	6.2	2023.10.21 Tarasenko, Nazar (34161430) (1873)	1	92.40%	1. e4 c5 2. Nf3 a6 3. c4 Nc6
2023.10.20	WCCC 2023 - Open U10	5.3	2023.10.20 Cortes Medina, Fernando (5181402) (1682)	1	93.20%	1. e4 c5 2. Nf3 d6 3. d4 cxd4
2023.10.19	WCCC 2023 - Open U10	4.4	2023.10.19 Mamikonyan, Artem T (55613993) (1590)	1	96.00%	1. e4 c6 2. Nc3 d5 3. Nf3 dxe4
2023.10.18	WCCC 2023 - Open U10	3.3	2023.10.18 Zhauynbay, Alimzhan (13782657) (1638)	½	90.90%	1. e4 c5 2. Nf3 d6 3. d4 cxd4
2023.10.17	WCCC 2023 - Open U10	2.3	2023.10.17 Mihaylov, Bozhidar (2944537) (1508)	1	95.80%	1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5
2023.10.16	WCCC 2023 - Open U10	1.3	2023.10.16 Del, Nikita (55601286) (1344)	1	94.60%	1. e4 c5 2. Nf3 d6 3. d4 cxd4
2023.06.11	U10 \| FIDE World Blitz Championship	11	2023.06.11 Alshibaia, Nikoloz (13636006) (1253)	1	91.70%	1. e4 c5 2. Nf3 d6 3. d4 cxd4
2023.06.11	U10 \| FIDE World Blitz Championship	10	2023.06.11 Tleuov, Akhan (13765515) (1498)	1	81.50%	1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6
2023.06.11	U10 \| FIDE World Blitz Championship	9	2023.06.11 Zhauynbay, Alimzhan (13782657) (1714)	1	81.80%	1. e4 c5 2. Nf3 Nc6 3. d4 cxd4
2023.06.11	U10 \| FIDE World Blitz Championship	8	2023.06.11 Sason, Noam (371282346) (1562)	0	77.10%	1. e4 c5 2. Nf3 d6 3. d4 cxd4
2023.06.11	U10 \| FIDE World Blitz Championship	7	2023.06.11 Deepak Ambattu, Rithvik (2410060) (1780)	1	91.80%	1. e4 c5 2. Nc3 Nc6 3. Nf3 d6
	12th Washington International - Championship	5.10	Baron, Tal (2809958) (2432)	0	86.30%	1. e4 c5 2. Nf3 d6 3. d4 cxd4
	12th Washington International - Championship	4.7	Rahul Srivatshav P (25059653) (2455)	½	96.80%	1. e4 c5 2. Nf3 e6 3. c3 Nf6
	12th Washington International - Championship	2.6	Budisavljevic, Luka (960047) (2499)	½	97.40%	1. e4 c5 2. Nf3 d6 3. d4 cxd4
	FIDE WORLD SCHOOLS TEAM CHAMPIONSHIP 2025	8	Kuandykuly, Danis (13752260) (2156)	1	47.90%	1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5
	FIDE WORLD SCHOOLS TEAM CHAMPIONSHIP 2025	7	Wijerathna, Vinuka Dihain (29981905) (1913)	½	82.40%	1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5
	FIDE WORLD SCHOOLS TEAM CHAMPIONSHIP 2025	6	Mamedov, Edgar (13739980) (2299)	1	87.90%	1. Nf3 Nf6 2. c4 e6 3. d4 Bb4+
	FIDE WORLD SCHOOLS TEAM CHAMPIONSHIP 2025	5	Torosyan, Volodya (13319051) (2047)	1	86.80%	1. e4 c5 2. Nf3 e6 3. d4 cxd4
	FIDE WORLD SCHOOLS TEAM CHAMPIONSHIP 2025	4	Aswath, S (46694919) (2369)	½	97.50%	1. e4 e6 2. d4 d5 3. Nd2 c5
	FIDE WORLD SCHOOLS TEAM CHAMPIONSHIP 2025	3	Karakasidis, Michail (42114349) (2058)	0	75.20%	1. e4 c5 2. Nf3 d6 3. d4 cxd4
	FIDE WORLD SCHOOLS TEAM CHAMPIONSHIP 2025	2	Gorkov, Kirill (4516214) (2119)	½	91.30%	1. e4 c5 2. Be2 d6 3. f4 g6
	FIDE WORLD SCHOOLS TEAM CHAMPIONSHIP 2025	1	Maurstad, Astor Moe (1576640) (1953)	1	40.10%	1. e4 c5 2. Nf3 e6 3. d4 cxd4
	Round 9: Guo, Ethan - Sathish, Pranav	9.4	Sathish, Pranav (30967538) (2323)	½	91.00%	1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5
2024.02.20	Round 9: Ethan Guo - Nathan Yan		2024.02.20 Nathan Yan	½	89.10%	1. e4 e5 2. Nf3 Nc6 3. Bb5 a6
2024.02.19	Round 8: Vatsal Singhania - Ethan Guo		2024.02.19 Vatsal Singhania (25033972)	½	70.80%	1. e4 c5 2. Nf3 d6 3. d4 cxd4
2024.02.19	Round 7: Ethan Guo - Harshit Raja		2024.02.19 Harshit Raja	0	88.70%	1. e4 c5 2. Nf3 d6 3. d4 cxd4
2024.02.18	Round 6: Advay Bansal - Ethan Guo		2024.02.18 Advay Bansal	½	87.50%	1. e4 c5 2. Nf3 d6 3. d4 cxd4
2024.02.18	Round 5: Ethan Guo - Luis Rodi		2024.02.18 Luis Rodi	1	94.20%	1. e4 e5 2. Nf3 Nc6 3. Bb5 a6
2024.02.17	Round 4: Sung Ho Yim - Ethan Guo		2024.02.17 Sung Ho Yim	0	80.50%	1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+
2024.02.17	Round 3: Ethan Guo - Jose Gabriel Cardoso		2024.02.17 Jose Gabriel Cardoso	0	88.00%	1. e4 c5 2. Nf3 d6 3. d4 cxd4
2024.02.16	Round 2: Adam Stevens - Ethan Guo		2024.02.16 Adam Stevens	1	86.50%	1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+
2024.02.16	Round 1: Ethan Guo - Patrick Liu		2024.02.16 Patrick Liu	1	95.70%	1. e4 c5 2. Nf3 e6 3. d4 cxd4
2024.01.22	Round 9: Neuris Delgado - Ethan Guo		2024.01.22 Neuris Delgado	0	92.00%	1. e4 c5 2. Nc3 d6 3. f4 g6
2024.01.21	Round 8: Ethan Guo - Jacob Chiang		2024.01.21 Jacob Chiang	1	94.10%	1. e4 c5 2. Nf3 Nc6 3. d4 cxd4
2024.01.21	Round 7: Advay Bansal - Ethan Guo		2024.01.21 Advay Bansal	½	84.40%	1. e4 c5 2. Nf3 d6 3. d4 cxd4
2024.01.20	Round 6: Ethan Guo - Andrew Guo		2024.01.20 Andrew Guo	½	97.10%	1. e4 c5 2. Nf3 Nc6 3. d4 cxd4
2024.01.20	Round 5: Guillermo Dominguez Aguilar - Ethan Guo		2024.01.20 Guillermo Dominguez Aguilar	½	93.70%	1. e4 c5 2. Nc3 d6 3. f4 g6
2024.01.16	Round 4: Ethan Guo - Leonel Figueredo Losada		2024.01.16 Leonel Figueredo Losada	½	89.50%	1. e4 c5 2. Nf3 e6 3. d4 cxd4
2024.01.15	Round 3: Ethan Guo - Henry Deng		2024.01.15 Henry Deng	½	97.90%	1. e4 c5 2. Nf3 e6 3. d4 cxd4
2024.01.15	Round 2: Dylan Tang - Ethan Guo		2024.01.15 Dylan Tang	1	89.40%	1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7
2024.01.14	Round 1: Ethan Guo - David Arenas		2024.01.14 David Arenas	0	71.70%	1. e4 c5 2. Nf3 d6 3. d4 Nf6
2023.11.21	Round 9: Darcy Lima - Ethan Guo		2023.11.21 Darcy Lima	0	92.50%	1. c4 c6 2. g3 d5 3. Nf3 Nf6
2023.11.20	Round 8: Ethan Guo - Roberto Martin Del Campo		2023.11.20 Roberto Martin Del Campo	1	95.20%	1. e4 c5 2. Nf3 Nc6 3. d4 cxd4
2023.11.20	Round 7: Kush Bhagat - Ethan Guo		2023.11.20 Kush Bhagat	1	91.80%	1. d4 d5 2. c4 c6 3. Nc3 Nf6
2023.11.19	Round 6: Ethan Guo - Ethan Song		2023.11.19 Ethan Song	½	95.90%	1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5
2023.11.19	Round 5: Vaseegaran Nandhakumar - Ethan Guo		2023.11.19 Vaseegaran Nandhakumar	1	95.90%	1. Nf3 d5 2. g3 Nd7 3. Bg2 e5
2023.11.18	Round 4: Ethan Guo - William Graif		2023.11.18 William Graif	0	73.10%	1. e4 e6 2. d4 d5 3. Nd2 Nc6
2023.11.18	Round 3: Martha Fierro - Ethan Guo		2023.11.18 Martha Fierro	½	97.70%	1. c4 c6 2. e4 d5 3. exd5 cxd5
2023.11.17	Round 2: Ethan Guo - Isaac Wang		2023.11.17 Isaac Wang	0	91.70%	1. e4 c5 2. Nf3 e6 3. d4 cxd4
2023.11.17	Round 1: Ethan Guo - Nikash Vemparala		2023.11.17 Nikash Vemparala	½	90.10%	1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5
2023.11.12	Round 6: Ethan Guo - Alexandre Kretchetov		2023.11.12 Alexandre Kretchetov (2129)	0	80.50%	1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5
2023.11.12	Round 5: Jairo Pinzon - Ethan Guo		2023.11.12 Jairo Pinzon (2140)	1	90.30%	1. d4 d5 2. c4 c6 3. cxd5 cxd5
2023.11.11	Round 4: Ethan Guo - Gabriela Vargas Talavera		2023.11.11 Gabriela Vargas Talavera	½	92.30%	1. e4 e6 2. d4 d5 3. Nd2 h6
2023.11.11	Round 3: Benjamin Gongora Montes - Ethan Guo		2023.11.11 Benjamin Gongora Montes	0	83.20%	1. e4 c5 2. Nf3 d6 3. Nc3 Nf6
2023.09.17	Round 5: Carlos Antonio Hevia Alejano - Ethan Guo		2023.09.17 Carlos Antonio Hevia Alejano	*	98.00%	1. e4 c5 2. Nf3 Nc6 3. d4 cxd4
2023.09.17	Round 4: Sivavishnu Srinivasan - Ethan Guo		2023.09.17 Sivavishnu Srinivasan	1	93.30%	1. e4 c5 2. Nf3 d6 3. d4 cxd4
2023.09.17	Round 3: Ethan Guo - Joshua Xia		2023.09.17 Joshua Xia	1	60.50%	1. e4 c5 2. Nf3 d6 3. d4 cxd4
2023.09.16	Round 2: Ethan Guo - David Jin		2023.09.16 David Jin	*	98.60%	1. e4 c5 2. Nf3 d6 3. d4 cxd4
2023.09.16	Round 1: Siddharth Singh - Ethan Guo		2023.09.16 Siddharth Singh	1	95.50%	1. e4 c5 2. Nf3 d6 3. d4 cxd4
2023.06.29	Round 1: Milos Pavlovic - Ethan Guo		2023.06.29 Milos Pavlovic	0	90.90%	1. Nf3 d5 2. e3 Nf6 3. c4 c6
2023.06.18	Silver Lake Open	1	2023.06.18 Damljanovic, Branko (900125) (2422)	0	87.90%	1. e4 c5 2. Nf3 d6 3. c3 Nf6
2023.06.10	boys-10	6.1	2023.06.10 Balanandan, Ayyappan (1549)	0	66.40%	1. e4 d6 2. d4 Nf6 3. Bd3 g6
2023.06.10	boys-10	6.1	2023.06.10 Balanandan, Ayyappan (1549)	*	89.30%	1. d4 d5 2. Bf4 Nf6 3. Nf3 c5
2023.06.10	boys-10	4.2	2023.06.10 Sklokin, Sergey (1715)	½	92.50%	1. e4 c5 2. Nf3 d6 3. c3 Nf6
2023.06.10	boys-10	3.2	2023.06.10 Rahbar, Aihan (36700363) (1665)	1	94.80%	1. e4 c5 2. Nf3 g6 3. d4 cxd4
2023.06.10	boys-10	2.2	2023.06.10 Obidjonov, Oriyat (14222531) (1433)	1	88.00%	1. e4 c5 2. Nf3 d6 3. d4 cxd4
2023.06.10	boys-10	1.2	2023.06.10 Maghlakelidze, Nikoloz (13635930) (1235)	1	92.90%	1. e4 c5 2. Nf3 Nc6 3. d4 cxd4
2023.05.14	Round 7: Eden You - Ethan Guo		2023.05.14 Eden You	1	96.60%	1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7
2023.05.14	Round 6: Ethan Guo - Connor Liao		2023.05.14 Connor Liao	½	84.30%	1. e4 c5 2. Nf3 d6 3. d4 cxd4
2023.05.13	Round 4: Ethan Guo - Kushagra Bhargava		2023.05.13 Kushagra Bhargava	½	86.50%	1. e4 c5 2. Nf3 e6 3. d4 cxd4
2023.05.13	Round 3: Ari Drucker - Ethan Guo		2023.05.13 Ari Drucker	½	80.40%	1. d4 Nf6 2. Nf3 e6 3. c4 b6
2023.05.12	Round 2: Ethan Guo - Platon Kaidash		2023.05.12 Platon Kaidash	1	97.40%	1. e4 Nf6 2. e5 Nd5 3. d4 d6
2023.05.12	Round 1: Ella Li - Ethan Guo		2023.05.12 Ella Li	1	94.40%	1. d4 Nf6 2. c4 e6 3. Bf4 d5
2023.04.23	Round 5: Ethan Guo - Augusto Campos Jimenez		2023.04.23 Augusto Campos Jimenez	½	92.00%	1. e4 c5 2. Nf3 Nc6 3. d4 cxd4
2023.04.23	Round 4: Diego Flores Quillas - Ethan Guo		2023.04.23 Diego Flores Quillas	0	89.30%	1. e4 c5 2. Nf3 d6 3. d4 cxd4
2023.04.22	Round 3: Arturo Fernandez Hernandez - Ethan Guo		2023.04.22 Arturo Fernandez Hernandez	0	87.90%	1. Nf3 d5 2. e3 c6 3. c4 Nf6
2023.04.22	Round 2: Ethan Guo - Gerardo Gracia Alvarez		2023.04.22 Gerardo Gracia Alvarez	0	91.20%	1. e4 e6 2. d4 d5 3. Nc3 Nf6
2023.04.22	Round 1: Rico Salimbagat - Ethan Guo		2023.04.22 Rico Salimbagat	0	87.00%	1. e4 c5 2. Nf3 d6 3. d4 cxd4
2023.04.09	Round 10: Ethan Guo - Dharim Cubero Bacus		2023.04.09 Dharim Cubero Bacus	½	78.80%	1. e4 c5 2. Nf3 d6 3. d4 cxd4
2023.04.09	Round 9: Enrico Sevillano - Ethan Guo		2023.04.09 Enrico Sevillano	*	99.20%	1. e4 c5 2. Nf3 d6 3. c3 Nf6
2023.04.08	Round 8: Augusto Campos Jimenez - Ethan Guo		2023.04.08 Augusto Campos Jimenez	0	82.70%	1. e4 c5 2. Nc3 d6 3. f4 Nf6
2023.04.08	Round 7: Ethan Guo - Dharim Cubero Bacus		2023.04.08 Dharim Cubero Bacus	½	97.20%	1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5
2023.04.08	Round 6: Jose Daniel Gemy Vargas - Ethan Guo		2023.04.08 Jose Daniel Gemy Vargas	0	88.90%	1. Nf3 d5 2. g3 c6 3. Bg2 Nf6
2023.04.02	Round 5: Ethan Guo - Diego Flores Quillas		2023.04.02 Diego Flores Quillas	0	91.40%	1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7
2023.04.02	Round 4: Mario Alexis Vargas - Ethan Guo		2023.04.02 Mario Alexis Vargas	0	86.70%	1. Nf3 d5 2. c4 d4 3. e3 c5
2023.04.02	Round 3: Ethan Guo - Pedro Rodriguez Rivera		2023.04.02 Pedro Rodriguez Rivera	1	96.00%	1. e4 b6 2. d4 Bb7 3. Bd3 e6
2023.04.01	Round 2: Sung Ho Yim - Ethan Guo		2023.04.01 Sung Ho Yim	0	94.40%	1. d4 d5 2. c4 c6 3. Nf3 Nf6
2023.04.01	Round 1: Ethan Guo - John Daniel Bryant		2023.04.01 John Daniel Bryant	½	94.00%	1. e4 c5 2. Nf3 d6 3. d4 cxd4
2023.03.21	Round 9: Raffi Ghazaryan - Ethan Guo		2023.03.21 Raffi Ghazaryan	½	93.60%	1. e4 e6 2. d4 d5 3. Nc3 dxe4
2023.03.21	Round 8: Ethan Guo - Megan Lee		2023.03.21 Megan Lee	0	80.90%	1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7
2023.03.21	Round 7: Joseph Levine - Ethan Guo		2023.03.21 Joseph Levine	½	88.80%	1. e4 c5 2. Nf3 d6 3. d4 cxd4
2023.03.20	Round 6: Ethan Guo - Pranav Sathish		2023.03.20 Pranav Sathish	½	94.20%	1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5
2023.03.19	Round 5: Luis Carlos Torres Rosas - Ethan Guo		2023.03.19 Luis Carlos Torres Rosas	½	90.20%	1. d4 d5 2. c4 c6 3. Nf3 Nf6
2023.03.19	Round 4: Ethan Guo - Nitish Nathan		2023.03.19 Nitish Nathan	1	96.70%	1. e4 c5 2. Nf3 Nc6 3. d4 cxd4
2023.03.18	Round 2: David Gasparyan - Ethan Guo		2023.03.18 David Gasparyan	0	92.10%	1. e4 c5 2. Nc3 Nc6 3. Bb5 Nd4
2023.03.18	Round 1: Ethan Guo - Andy Lin		2023.03.18 Andy Lin	0	87.60%	1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7
	12th Annual Washington International - Championship	6	Erenburg, Sergey (2805642) (2504)	½	97.70%	1. e4 c6 2. Nc3 d5 3. Nf3 dxe4