Player profile

Duran Vega, Sergio

Standard: 2236 Rapid: 2344 Blitz: 2174 (last updated 2026-11-02)

FIDE ID: 6501311 (view FIDE profile)

Federation: CRC Sex: M Birth Year: 1993 Age: 33

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

Games: 202 Wins: 94 (47%) Draws: 48 (24%) Losses: 54 (27%) Other: 6

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Dossier

186 of 202 games analyzed.

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Openings

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As White 79 games 39W 19D 17L

Queen's Pawn Game 12 games 4W 1D 5L

London System 5 games 2W 0D 2L

(unspecified) 3 games 2W 0D 1L

with e6 2 games 0W 0D 1L

Symmetrical Variation 3 games 1W 0D 1L

(unspecified) 3 games 1W 0D 1L

Zukertort Variation 1 game 1W 0D 0L

(unspecified) 1 game 1W 0D 0L

Krause Variation 1 game 0W 1D 0L

(unspecified) 1 game 0W 1D 0L

Rossolimo Variation 1 game 0W 0D 1L

(unspecified) 1 game 0W 0D 1L

Accelerated London System 1 game 0W 0D 1L

(unspecified) 1 game 0W 0D 1L

Catalan Opening 11 games 6W 3D 2L

Open Defense 4 games 2W 1D 1L

(unspecified) 3 games 2W 0D 1L

Classical Line 1 game 0W 1D 0L

(unspecified) 3 games 2W 1D 0L

Closed 3 games 1W 1D 1L

(unspecified) 2 games 1W 0D 1L

Botvinnik Variation 1 game 0W 1D 0L

Tarrasch Defense 1 game 1W 0D 0L

(unspecified) 1 game 1W 0D 0L

Indian Defense 5 games 1W 1D 3L

London System 2 games 0W 0D 2L

(unspecified) 2 games 0W 0D 2L

Anti-Nimzo-Indian 2 games 0W 1D 1L

(unspecified) 2 games 0W 1D 1L

Spielmann-Indian 1 game 1W 0D 0L

(unspecified) 1 game 1W 0D 0L

Bogo-Indian Defense 5 games 3W 1D 1L

Nimzowitsch Variation 2 games 1W 1D 0L

(unspecified) 2 games 1W 1D 0L

Retreat Variation 2 games 1W 0D 1L

(unspecified) 2 games 1W 0D 1L

Vitolins Variation 1 game 1W 0D 0L

(unspecified) 1 game 1W 0D 0L

King's Indian Defense 5 games 3W 2D 0L

Fianchetto Variation 4 games 3W 1D 0L

Hungarian Variation 1 game 1W 0D 0L

Kavalek Defense 1 game 0W 1D 0L

Long Variation 1 game 1W 0D 0L

Debrecen Defense 1 game 1W 0D 0L

Normal Variation 1 game 0W 1D 0L

Rare Defenses 1 game 0W 1D 0L

English Opening 5 games 2W 1D 2L

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

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

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

Agincourt Defense 1 game 1W 0D 0L

(unspecified) 1 game 1W 0D 0L

Symmetrical Variation 1 game 0W 1D 0L

Rubinstein Variation 1 game 0W 1D 0L

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

Four Knights Variation, Fianchetto Line 1 game 0W 0D 1L

Benoni Defense 4 games 3W 1D 0L

Fianchetto Variation 3 games 2W 1D 0L

(unspecified) 3 games 2W 1D 0L

Old Benoni 1 game 1W 0D 0L

(unspecified) 1 game 1W 0D 0L

Sicilian Defense 3 games 2W 0D 0L

Moscow Variation 1 game 1W 0D 0L

(unspecified) 1 game 1W 0D 0L

Nyezhmetdinov-Rossolimo Attack 1 game 0W 0D 0L

Fianchetto Variation 1 game 0W 0D 0L

Dragon Variation 1 game 1W 0D 0L

Yugoslav Attack, Modern Line 1 game 1W 0D 0L

Nimzo-Larsen Attack 2 games 1W 1D 0L

Classical Variation 1 game 0W 1D 0L

(unspecified) 1 game 0W 1D 0L

(unspecified) 1 game 1W 0D 0L

Horwitz Defense 2 games 2W 0D 0L

(unspecified) 2 games 2W 0D 0L

Caro-Kann Defense 2 games 0W 2D 0L

Exchange Variation 1 game 0W 1D 0L

Rubinstein Variation 1 game 0W 1D 0L

Breyer Variation 1 game 0W 1D 0L

(unspecified) 1 game 0W 1D 0L

Torre Attack 2 games 1W 1D 0L

Fianchetto Defense 2 games 1W 1D 0L

(unspecified) 2 games 1W 1D 0L

Hungarian Opening 2 games 2W 0D 0L

(unspecified) 1 game 1W 0D 0L

Indian Defense 1 game 1W 0D 0L

(unspecified) 1 game 1W 0D 0L

Queen's Gambit Declined 2 games 1W 0D 1L

Exchange Variation 2 games 1W 0D 1L

Positional Variation 1 game 0W 0D 1L

Sämisch Variation 1 game 1W 0D 0L

Benko Gambit Accepted 2 games 2W 0D 0L

Modern Variation 2 games 2W 0D 0L

(unspecified) 2 games 2W 0D 0L

London System 1 game 0W 1D 0L

(unspecified) 1 game 0W 1D 0L

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

(unspecified) 1 game 0W 1D 0L

Benko Gambit 1 game 1W 0D 0L

(unspecified) 1 game 1W 0D 0L

Neo-Grünfeld Defense 1 game 0W 0D 0L

Delayed Exchange Variation 1 game 0W 0D 0L

(unspecified) 1 game 0W 0D 0L

Four Knights Game 1 game 0W 1D 0L

Scotch Variation Accepted 1 game 0W 1D 0L

Main Line 1 game 0W 1D 0L

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

St. Petersburg Variation 1 game 1W 0D 0L

American Variation 1 game 1W 0D 0L

Queen's Gambit Accepted 1 game 1W 0D 0L

Classical Defense 1 game 1W 0D 0L

Main Line 1 game 1W 0D 0L

Zukertort Opening 1 game 1W 0D 0L

Kingside Fianchetto 1 game 1W 0D 0L

(unspecified) 1 game 1W 0D 0L

East Indian Defense 1 game 1W 0D 0L

(unspecified) 1 game 1W 0D 0L

Tarrasch Defense 1 game 1W 0D 0L

Symmetrical Variation 1 game 1W 0D 0L

(unspecified) 1 game 1W 0D 0L

French Defense 1 game 0W 0D 1L

Classical Variation 1 game 0W 0D 1L

Shirov-Anand Variation 1 game 0W 0D 1L

Ruy Lopez 1 game 0W 1D 0L

Open Berlin Defense 1 game 0W 1D 0L

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

Italian Game 1 game 0W 0D 1L

Classical Variation 1 game 0W 0D 1L

Giuoco Pianissimo 1 game 0W 0D 1L

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

(unspecified) 1 game 0W 1D 0L

Semi-Slav Defense 1 game 0W 0D 1L

Quiet Variation 1 game 0W 0D 1L

(unspecified) 1 game 0W 0D 1L

As Black 83 games 42W 16D 25L

Sicilian Defense 30 games 19W 4D 7L

Nyezhmetdinov-Rossolimo Attack 15 games 7W 3D 5L

Fianchetto Variation 13 games 6W 3D 4L

(unspecified) 1 game 1W 0D 0L

Fianchetto Variation, Gufeld Gambit 1 game 0W 0D 1L

Lasker-Pelikan Variation 3 games 3W 0D 0L

Sveshnikov Variation 1 game 1W 0D 0L

Sveshnikov Variation, Chelyabinsk Variation 1 game 1W 0D 0L

Sveshnikov Variation, Novosibirsk Variation 1 game 1W 0D 0L

Old Sicilian 3 games 3W 0D 0L

(unspecified) 3 games 3W 0D 0L

Accelerated Dragon 2 games 2W 0D 0L

(unspecified) 1 game 1W 0D 0L

Modern Variation 1 game 1W 0D 0L

French Variation 1 game 0W 0D 1L

(unspecified) 1 game 0W 0D 1L

Four Knights Variation 1 game 1W 0D 0L

(unspecified) 1 game 1W 0D 0L

Open 1 game 1W 0D 0L

(unspecified) 1 game 1W 0D 0L

Closed 1 game 1W 0D 0L

(unspecified) 1 game 1W 0D 0L

Portsmouth Gambit 1 game 1W 0D 0L

(unspecified) 1 game 1W 0D 0L

Dragon Variation 1 game 0W 1D 0L

Yugoslav Attack, Czerniak Variation 1 game 0W 1D 0L

Kramnik Variation 1 game 0W 0D 1L

(unspecified) 1 game 0W 0D 1L

Nimzo-Indian Defense 6 games 4W 0D 2L

Normal Variation 3 games 2W 0D 1L

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

(unspecified) 1 game 0W 0D 1L

Classical Defense 1 game 1W 0D 0L

Classical Variation 2 games 2W 0D 0L

Noa Variation 2 games 2W 0D 0L

Sämisch Variation 1 game 0W 0D 1L

(unspecified) 1 game 0W 0D 1L

English Opening 5 games 1W 1D 3L

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

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

Anti-Anti-Grünfeld 1 game 1W 0D 0L

Agincourt Defense 1 game 0W 0D 1L

(unspecified) 1 game 0W 0D 1L

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

Two Knights Variation, Smyslov System 1 game 0W 1D 0L

Symmetrical Variation 1 game 0W 0D 1L

Ultra-Symmetrical Variation 1 game 0W 0D 1L

Zukertort Opening 4 games 1W 0D 3L

(unspecified) 3 games 1W 0D 2L

The Potato 1 game 0W 0D 1L

(unspecified) 1 game 0W 0D 1L

Ruy Lopez 4 games 0W 2D 2L

Closed 1 game 0W 0D 1L

Anti-Marshall 1 game 0W 0D 1L

Open Berlin Defense 1 game 0W 1D 0L

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

Morphy Defense 1 game 0W 1D 0L

Wormald Attack 1 game 0W 1D 0L

Berlin Defense 1 game 0W 0D 1L

Anti-Berlin Variation 1 game 0W 0D 1L

Indian Defense 4 games 3W 1D 0L

Anti-Nimzo-Indian 2 games 2W 0D 0L

(unspecified) 2 games 2W 0D 0L

(unspecified) 1 game 1W 0D 0L

Accelerated London System 1 game 0W 1D 0L

(unspecified) 1 game 0W 1D 0L

Semi-Slav Defense 4 games 1W 1D 2L

Anti-Moscow Gambit 2 games 0W 0D 2L

(unspecified) 2 games 0W 0D 2L

(unspecified) 1 game 1W 0D 0L

Moscow Variation 1 game 0W 1D 0L

(unspecified) 1 game 0W 1D 0L

Queen's Pawn Game 3 games 1W 1D 1L

(unspecified) 1 game 0W 0D 1L

London System 1 game 0W 1D 0L

(unspecified) 1 game 0W 1D 0L

Symmetrical Variation 1 game 1W 0D 0L

(unspecified) 1 game 1W 0D 0L

Queen's Gambit Declined 3 games 0W 2D 1L

Marshall Defense 1 game 0W 0D 1L

(unspecified) 1 game 0W 0D 1L

Ragozin Defense 1 game 0W 1D 0L

(unspecified) 1 game 0W 1D 0L

Charousek Variation 1 game 0W 1D 0L

(unspecified) 1 game 0W 1D 0L

Philidor Defense 3 games 2W 1D 0L

Lion Variation 3 games 2W 1D 0L

(unspecified) 3 games 2W 1D 0L

Nimzo-Larsen Attack 2 games 1W 0D 1L

Classical Variation 2 games 1W 0D 1L

(unspecified) 2 games 1W 0D 1L

Italian Game 2 games 0W 0D 2L

Scotch Invitation Declined 1 game 0W 0D 1L

(unspecified) 1 game 0W 0D 1L

Classical Variation 1 game 0W 0D 1L

Giuoco Pianissimo 1 game 0W 0D 1L

Bogo-Indian Defense 2 games 1W 1D 0L

Retreat Variation 2 games 1W 1D 0L

(unspecified) 2 games 1W 1D 0L

Four Knights Game 2 games 2W 0D 0L

Spanish Variation 1 game 1W 0D 0L

Rubinstein Variation Accepted 1 game 1W 0D 0L

Glek System 1 game 1W 0D 0L

(unspecified) 1 game 1W 0D 0L

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

Keres Variation 1 game 0W 0D 1L

(unspecified) 1 game 0W 0D 1L

Grünfeld Defense 1 game 0W 1D 0L

Stockholm Variation 1 game 0W 1D 0L

(unspecified) 1 game 0W 1D 0L

Pirc Defense 1 game 0W 1D 0L

(unspecified) 1 game 0W 1D 0L

Czech Defense 1 game 1W 0D 0L

(unspecified) 1 game 1W 0D 0L

Richter-Veresov Attack 1 game 1W 0D 0L

Two Knights System 1 game 1W 0D 0L

(unspecified) 1 game 1W 0D 0L

Petrov's Defense 1 game 1W 0D 0L

Modern Attack 1 game 1W 0D 0L

Center Variation 1 game 1W 0D 0L

Benko Gambit Accepted 1 game 1W 0D 0L

Fully Accepted Variation 1 game 1W 0D 0L

(unspecified) 1 game 1W 0D 0L

Tarrasch Defense 1 game 1W 0D 0L

Symmetrical Variation 1 game 1W 0D 0L

(unspecified) 1 game 1W 0D 0L

Modern Defense 1 game 1W 0D 0L

Lizard Defense 1 game 1W 0D 0L

Mittenberger Gambit 1 game 1W 0D 0L

Blunders Top 4 of 650

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

2025.05.19 · 31. Rc3 (−69.4% win chance) 1/2-1/2

Almeida Quintana, Omar

Duran Vega, Sergio

Engine View game

2024.05.30 · 38. Bh7+ (−63.3% win chance) 0-1

Ospina Castro, Santiago

Duran Vega, Sergio

Engine View game

2024.06.02 · 25. Qxf6 (−57.2% win chance) 0-1

Ojeda, Jesus David

Duran Vega, Sergio

Engine View game

2026.06.12 · 65... Rg1 (−53.9% win chance) 1-0

Duran Vega, Sergio

Gunawardhana, Devindya Oshini

Engine View game

View blunders & mistakes

Games Showing all 202 games

Date	Event	Round	Opponent	Result	Accuracy %	First moves
2026.08.02	Round 9: Labog, Jan Clifford - Duran Vega, Sergio	9.7	2026.08.02 Labog, Jan Clifford (5264804) (2037)	0	-
2026.06.18	360 ONE MASTERS CHESS TOURNAMENT 2026	9.24	2026.06.18 Rahman, Yehya (10600264) (1976)	0	-
2026.06.17	360 ONE MASTERS CHESS TOURNAMENT 2026	8.25	2026.06.17 Elgabry, Mohsen (10600531) (2143)	½	93.90%	1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7
2026.06.16	360 ONE MASTERS CHESS TOURNAMENT 2026	7.25	2026.06.16 Gomez Sanchez, Jorge Marcos (3506649) (2269)	½	95.40%	1. Nf3 d5 2. b3 Nf6 3. Bb2 Bf5
2026.06.15	360 ONE MASTERS CHESS TOURNAMENT 2026	6.25	2026.06.15 Smirnova, Ekaterina (4110943) (2086)	0	83.20%	1. Nf3 d5 2. g3 Bg4 3. Bg2 e6
2026.06.14	360 ONE MASTERS CHESS TOURNAMENT 2026	5.26	2026.06.14 Vijayakumar, Rishi (2408953) (2332)	0	84.10%	1. d4 Nf6 2. Nf3 d5 3. Bf4 c5
2026.06.12	360 ONE MASTERS CHESS TOURNAMENT 2026	3.26	2026.06.12 Gunawardhana, Devindya Oshini (29941482) (2340)	0	81.20%	1. e4 c5 2. Nf3 Nc6 3. Bb5 g6
2026.06.11	360 ONE MASTERS CHESS TOURNAMENT 2026	2.24	2026.06.11 Shahil Dey (35062352) (2423)	0	82.90%	1. d4 Nf6 2. Nf3 e6 3. Bf4 c5
2026.06.10	360 ONE MASTERS CHESS TOURNAMENT 2026	1.21	2026.06.10 Rakhmatullaev, Almas (14205793) (2408)	0	91.10%	1. e4 c5 2. Nf3 Nc6 3. Bb5 g6
2026.06.07	Round 9: Duran Vega, Sergio - Madhvendra Pratap Sharma	9.17	2026.06.07 Madhvendra Pratap Sharma (25985663) (2373)	0	80.40%	1. d4 Nf6 2. Nf3 e6 3. Bf4 h6
2026.05.27	Round 7: Harsh Suresh - Duran Vega, Sergio	7.12	2026.05.27 Harsh Suresh (45018464) (2435)	0	89.00%	1. e4 c5 2. Nf3 Nc6 3. Bb5 g6
2026.03.07	Round 9: Duran Vega, Sergio - Gagic, Milan A	9.3	2026.03.07 Gagic, Milan A (979805) (2363)	1	98.00%	1. d4 e6 2. Nf3 c5 3. c3 Nc6
2026.03.06	Round 8: Ratkovic, Milovan - Duran Vega, Sergio	8.3	2026.03.06 Ratkovic, Milovan (914525) (2483)	0	81.90%	1. b3 d5 2. Bb2 Nf6 3. Nf3 Bf5
2026.03.05	Round 7: Duran Vega, Sergio - Ratkovic, Petar	7.4	2026.03.05 Ratkovic, Petar (914533) (2207)	½	98.60%	1. e4 c6 2. d4 d5 3. exd5 cxd5
2026.03.04	Round 6: Pantelic, Sasa - Duran Vega, Sergio	6.2	2026.03.04 Pantelic, Sasa (933210) (2118)	0	89.30%	1. d4 d5 2. c4 Nf6 3. Nc3 dxc4
2026.03.04	Round 5: Duran Vega, Sergio - Ha,Yihan	5.5	2026.03.04 Ha,Yihan (8617120) (2053)	1	98.20%	1. d4 d5 2. Nf3 Nf6 3. Bf4 c5
2026.03.02	Round 3: Gevorgyan, David Sh. - Duran Vega, Sergio	3.5	2026.03.02 Gevorgyan, David Sh. (13303244) (2218)	½	88.90%	1. d4 d5 2. Nf3 Nf6 3. Bf4 c5
2026.03.02	Round 2: Duran Vega, Sergio - Bibilov, Alan	2.2	2026.03.02 Bibilov, Alan (24266876) (1993)	1	95.60%	1. d4 c5 2. c3 e6 3. Nf3 Nf6
2026.03.01	Round 4: Ratkovic, Miloje - Duran Vega, Sergio	4.1	2026.03.01 Ratkovic, Miloje (914517) (2420)	0	83.60%	1. Nf3 d5 2. e3 Nf6 3. c4 c6
2026.01.17	Round 9: Tudor, Henry Edward - Duran Vega, Sergio	9.10	2026.01.17 Tudor, Henry Edward (2409836) (2434)	1	97.70%	1. d4 Nf6 2. c4 e6 3. Nc3 Bb4
2026.01.13	Round 5: Licznerski, Lukasz - Duran Vega, Sergio	5.6	2026.01.13 Licznerski, Lukasz (1179250) (2479)	0	90.40%	1. e4 e5 2. Nf3 Nc6 3. Bb5 a6
2025.12.30	Round 9: Duran Vega, Sergio - Alvarez Serrano, Carlos	9.5	2025.12.30 Alvarez Serrano, Carlos (22238689) (2184)	1	94.40%	1. d4 d5 2. Nf3 Nf6 3. Bf4 c5
2025.12.29	Round 7: Dong, Hongfu - Duran Vega, Sergio	7.5	2025.12.29 Dong, Hongfu (8626960) (2322)	0	89.60%	1. e4 e5 2. Nf3 Nc6 3. Bc4 d6
2025.12.28	Round 6: Duran Vega, Sergio - Manukyan, Sargis A.	6.2	2025.12.28 Manukyan, Sargis A. (13303970) (2350)	0	88.00%	1. d4 d5 2. Nf3 Nf6 3. Bf4 e6
2025.12.28	Round 5: Martin Duque, Jesus - Duran Vega, Sergio	5.4	2025.12.28 Martin Duque, Jesus (2208954) (2326)	½	-	1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6
2025.12.27	Round 4: Duran Vega, Sergio - Cordoba Roa, Angel Gabriel	4.3	2025.12.27 Cordoba Roa, Angel Gabriel (3957624) (2362)	*	-	1. d4 Nf6 2. Nf3 e6 3. Bf4 d5
2025.12.27	Round 3: Quispe Arteaga, Gabriel - Duran Vega, Sergio	3.3	2025.12.27 Quispe Arteaga, Gabriel (32059809) (2425)	½	81.90%	1. d4 Nf6 2. c4 e6 3. Nf3 d5
2025.12.26	Round 2: Duran Vega, Sergio - Vesga Izeta, Markel	2.4	2025.12.26 Vesga Izeta, Markel (54544866) (2259)	½	95.20%	1. d4 Nf6 2. Nf3 b6 3. Bf4 Bb7
2025.12.26	Round 1: Martel Bruniaux, Malko - Duran Vega, Sergio	1.2	2025.12.26 Martel Bruniaux, Malko (24560871) (2179)	1	93.30%	1. d4 Nf6 2. Nf3 d5 3. c4 e6
2025.12.18	Round 8: Adan Bermudez, Sergio - Duran Vega, Sergio	8.1	2025.12.18 Adan Bermudez, Sergio (2292726) (2306)	0	89.90%	1. Nf3 Nf6 2. c4 e6 3. b3 b6
2025.10.30	XII Juegos Centroamericanos, Guatemala 2025 Masculino Blitz	5.2	2025.10.30 Ortiz, Marcos (6100678) (2119)	1	91.40%	1. d4 Nf6 2. c4 c5 3. d5 b5
2025.10.30	XII Juegos Centroamericanos, Guatemala 2025 Masculino Blitz	4.2	2025.10.30 Baules Rodriguez, Jorge Luis (6600247) (2338)	0	87.60%	1. d4 Nf6 2. c4 e6 3. Nc3 Bb4
2025.10.30	XII Juegos Centroamericanos, Guatemala 2025 Masculino Blitz	3.2	2025.10.30 Cardenas Carbajal, Nilson (8401128) (1976)	*	-	1. d4 Nf6 2. Nf3 g6 3. c4 Bg7
2025.10.30	XII Juegos Centroamericanos, Guatemala 2025 Masculino Blitz	2.2	2025.10.30 Melendez Manuel A. (6706800) (1943)	½	92.60%	1. e4 d6 2. d4 Nf6 3. Nc3 e5
2025.10.30	XII Juegos Centroamericanos, Guatemala 2025 Masculino Blitz	1.2	2025.10.30 Giron Chavez, David Emanuel (7300697) (2134)	1	86.10%	1. d4 Nf6 2. Nf3 e6 3. c4 Bb4+
2025.10.28	XII Juegos Centroamericanos, Guatemala 2025 MASCULINO	5.9	2025.10.28 Mendez Machado, Andre (6603793) (2157)	½	93.90%	1. d4 Nf6 2. Nf3 e6 3. c4 d5
2025.10.27	XII Juegos Centroamericanos, Guatemala 2025 MASCULINO	4.1	2025.10.27 Hidalgo Avila, Yefry (7305532) (1974)	1	-	1. e4 d6 2. d4 Nf6 3. Nc3 e5
2025.10.26	XII Juegos Centroamericanos, Guatemala 2025 MASCULINO	3.9	2025.10.26 Morales Carlos (6706754) (2188)	0	-	1. c4 e6 2. Nf3 d5 3. cxd5 exd5
2025.10.25	XII Juegos Centroamericanos, Guatemala 2025 MASCULINO	2.5	2025.10.25 Espinoza Solano, Jose Nahum (6104428) (2163)	½	-	1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6
2025.10.25	XII Juegos Centroamericanos, Guatemala 2025 MASCULINO	1.5	2025.10.25 Martinez, Walter (8400512) (1946)	1	-	1. e4 c5 2. Nf3 Nc6 3. d4 cxd4
2025.09.20	EQUIPOS_RAPIDAS	5.21	2025.09.20 Goncalves, Samuel Jesus P (1945130) (2231)	1	92.80%	1. d4 Nf6 2. c4 e6 3. g3 c5
2025.09.20	EQUIPOS_RAPIDAS	4.9	2025.09.20 Perez Candelario, Manuel (2210622) (2449)	0	-	1. d4 d5 2. Nf3 Nf6 3. c4 e6
2025.09.20	EQUIPOS_RAPIDAS	3.25	2025.09.20 Fernandez Garcia, Jose Luis 1954 (2200023)	½	-	1. d4 Nf6 2. c4 g6 3. Nc3 d5
2025.09.20	EQUIPOS_RAPIDAS	2.13	2025.09.20 Sousa, Andre Ventura (1917617) (2363)	1	-	1. d4 Nf6 2. c4 e6 3. g3 c5
2025.09.12	Round 6: Duran Vega, Sergio - Ubilava, Elizbar	6.2	2025.09.12 Ubilava, Elizbar (13600052) (2386)	1	98.70%	1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7
2025.09.11	Round 5: Moreno Ruiz, Javier - Duran Vega, Sergio	5.1	2025.09.11 Moreno Ruiz, Javier (2203146) (2362)	½	92.90%	1. c4 e6 2. Nc3 d5 3. d4 Be7
2025.09.10	Round 4: Duran Vega, Sergio - Lopez Mijail, Nicolas	4.2	2025.09.10 Lopez Mijail, Nicolas (24513407) (2261)	1	91.50%	1. d4 Nf6 2. c4 e6 3. Nc3 Bb4
2025.09.09	Round 3: Farias, David Nuno M E - Duran Vega, Sergio	3.2	2025.09.09 Farias, David Nuno M E (1955004) (2097)	1	93.90%	1. e4 c5 2. Nf3 Nc6 3. Bb5 g6
2025.09.08	Round 7: Duran Vega, Sergio - Ingunza Curro, Andres	7.1	2025.09.08 Ingunza Curro, Andres (24526371) (2311)	*	-	1. d4 d5 2. Nf3 Nf6 3. c4 e6
2025.07.27	II Torneo Internacional de Ajedrez Jose Celso Barbosa	9.2	2025.07.27 Amaya, Brayan Angel (39909646) (1917)	1	97.90%	1. d4 d6 2. e4 Nf6 3. Nc3 e5
2025.07.26	II Torneo Internacional de Ajedrez Jose Celso Barbosa	8.2	2025.07.26 Jaquez, Juan Manuel (6400230) (2151)	1	94.90%	1. d4 Nf6 2. Nf3 g6 3. Bg5 Bg7
2025.07.25	II Torneo Internacional de Ajedrez Jose Celso Barbosa	7.1	2025.07.25 Rodriguez Santiago, Jaime (3100898) (2073)	½	89.70%	1. c4 e5 2. Nc3 Nf6 3. g3 Bb4
2025.07.25	II Torneo Internacional de Ajedrez Jose Celso Barbosa	6.2	2025.07.25 Carrion Perez, Louis E. (3103927) (1856)	1	93.10%	1. d4 e6 2. Nf3 f5 3. Bg5 Nf6
2025.07.23	II Torneo Internacional de Ajedrez Jose Celso Barbosa	5.2	2025.07.23 Torres, Javier Antonio (2006634) (2077)	1	95.20%	1. d4 Nf6 2. c4 e6 3. Nf3 d5
2025.07.23	II Torneo Internacional de Ajedrez Jose Celso Barbosa	4.1	2025.07.23 Delgado Ramirez, Neuris (3503631) (2482)	½	-	1. d4 Nf6 2. Nf3 e6 3. c4 Bb4+
2025.07.21	II Torneo Internacional de Ajedrez Jose Celso Barbosa	3.2	2025.07.21 Diaz Montes, Edwin (3100715) (2033)	1	95.90%	1. d4 Nf6 2. c4 c6 3. Nc3 d5
2025.07.20	II Torneo Internacional de Ajedrez Jose Celso Barbosa	2.2	2025.07.20 Morales Santos, Natasha (3101703) (1957)	1	-	1. d4 d5 2. Nf3 Nf6 3. c4 dxc4
2025.07.20	II Torneo Internacional de Ajedrez Jose Celso Barbosa	1.2	2025.07.20 Rivera Valentin, Christian Z. (3110818) (1839)	1	-	1. d4 Nf6 2. c4 e6 3. Nf3 d5
2025.05.19	Ronda 9: Duran Vega, Sergio - Almeida Quintana, Omar	9.4	2025.05.19 Almeida Quintana, Omar (3503313) (2489)	½	58.80%	1. Nf3 g6 2. d4 Bg7 3. c4 d6
2025.05.18	Ronda 8: Berdayes Ason, Dylan Isidro - Duran Vega, Sergio	8.1	2025.05.18 Berdayes Ason, Dylan Isidro (3516016) (2469)	0	89.40%	1. d4 Nf6 2. c4 e6 3. Nc3 Bb4
2025.04.19	Round 9: Estrada Nieto, Julian - Duran Vega, Sergio	9.2	2025.04.19 Estrada Nieto, Julian (5101018) (2156)	½	88.90%	1. e4 d6 2. d4 g6 3. Nf3 Bg7
2025.04.18	Round 8: Duran Vega, Sergio - Galaviz Medina, Sion Radamantys	8.1	2025.04.18 Galaviz Medina, Sion Radamantys (5123119) (2511)	0	86.90%	1. d4 Nf6 2. Nf3 e6 3. c4 d5
2025.04.18	Round 7: Duran Vega, Sergio - Juarez Flores, Carlos A.	7.3	2025.04.18 Juarez Flores, Carlos A. (7300018) (2297)	1	-	1. d4 d5 2. Nf3 c5 3. c4 e6
2025.04.17	Round 6: Chavez, Ricardo Ernesto - Duran Vega, Sergio	6.2	2025.04.17 Chavez, Ricardo Ernesto (6700098) (2215)	½	98.00%	1. e4 e5 2. Nf3 Nc6 3. Bb5 a6
2025.04.16	Round 5: Duran Vega, Sergio - Espinoza Solano, Jose Nahum	5.2	2025.04.16 Espinoza Solano, Jose Nahum (6104428) (2154)	½	91.20%	1. d4 Nf6 2. Nf3 g6 3. Bg5 Bg7
2025.04.16	Round 4: Melendez Manuel A. - Duran Vega, Sergio	4.2	2025.04.16 Melendez Manuel A. (6706800) (2152)	1	87.80%	1. e4 c5 2. Nf3 Nc6 3. Bb5 Nf6
2025.04.15	Round 3: Duran Vega, Sergio - Lizano Quiros, Matias Haziel	3.2	2025.04.15 Lizano Quiros, Matias Haziel (6543863) (2078)	1	96.10%	1. d4 Nf6 2. Nf3 e6 3. c4 Bb4+
2025.04.14	Round 2: Guevara Ruiz, Marvin Andres - Duran Vega, Sergio	2.3	2025.04.14 Guevara Ruiz, Marvin Andres (6708889) (1995)	1	97.30%	1. e4 c5 2. Nf3 Nc6 3. d4 cxd4
2025.04.14	Round 1: Duran Vega, Sergio - Carrillo, Jose Antonio	1.3	2025.04.14 Carrillo, Jose Antonio (6600476) (1845)	1	96.50%	1. d4 Nf6 2. Nf3 c5 3. e3 cxd4
2025.01.18	Ronda 8: Ramirez Aguilar, Julian Jose - Duran Vega, Sergio	8.3	2025.01.18 Ramirez Aguilar, Julian Jose (6516629) (1872)	1	96.70%	1. d4 Nf6 2. Nc3 d6 3. e4 c6
2025.01.16	Ronda 6: Duran Vega, Sergio - Pastor Carvajal, Jeigoth	6.3	2025.01.16 Pastor Carvajal, Jeigoth (6516718) (2088)	1	91.80%	1. Nf3 Nf6 2. c4 e6 3. e3 d5
2025.01.16	Ronda 5: Mayorga Araya, Sofia - Duran Vega, Sergio	5.2	2025.01.16 Mayorga Araya, Sofia (6514065) (2038)	½	93.40%	1. e4 c5 2. Nf3 Nc6 3. Bb5 g6
2025.01.15	Ronda 4: Valdes Romero, Leonardo - Duran Vega, Sergio	4.1	2025.01.15 Valdes Romero, Leonardo (6500331) (2323)	0	87.40%	1. c4 c5 2. Nc3 Nc6 3. g3 g6
2025.01.12	Ronda 3: Duran Vega, Sergio - Fernandez Sanchez, Mario Andres	3.2	2025.01.12 Fernandez Sanchez, Mario Andres (6501621) (2025)	1	94.40%	1. g3 e5 2. Bg2 Be7 3. e4 d6
2025.01.11	Ronda 9: Cabezas Solano, David Alejandro - Duran Vega, Sergio	9.1	2025.01.11 Cabezas Solano, David Alejandro (6507522) (2172)	1	98.50%	1. Nf3 Nf6 2. g3 c5 3. Bg2 Nc6
2025.01.11	Ronda 7: Duran Vega, Sergio - Lizano Quiros, Matias Haziel	7.1	2025.01.11 Lizano Quiros, Matias Haziel (6543863) (2015)	½	88.50%	1. e4 c6 2. d3 d5 3. Qe2 dxe4
2025.01.11	Ronda 2: Espitia Torres, Mateo - Duran Vega, Sergio	2.2	2025.01.11 Espitia Torres, Mateo (6508332) (1982)	1	98.10%	1. e4 c5 2. Nf3 Nc6 3. d4 cxd4
2025.01.11	Ronda 1: Duran Vega, Sergio - Rodriguez Arrieta, Maria Elena	1.2	2025.01.11 Rodriguez Arrieta, Maria Elena (6502911) (1940)	1	96.50%	1. g3 Nf6 2. Bg2 e6 3. d3 d5
2024.12.31	Ronda 9: Zumbado Gutierrez, Marco Antonio - Duran Vega, Sergio	9.4	2024.12.31 Zumbado Gutierrez, Marco Antonio (6503306) (2061)	1	96.20%	1. e4 c5 2. Nf3 Nc6 3. Bb5 g6
2024.12.31	Ronda 8: Duran Vega, Sergio - Lizano Quiros, Matias Haziel	8.3	2024.12.31 Lizano Quiros, Matias Haziel (6543863) (1934)	½	91.40%	1. Nf3 Nf6 2. c4 c5 3. Nc3 Nc6
2024.12.31	Ronda 7: Diaz Charpentier, Kristel Meliss - Duran Vega, Sergio	7.4	2024.12.31 Diaz Charpentier, Kristel Meliss (6511708) (1940)	1	93.20%	1. d4 Nf6 2. c4 e6 3. Nc3 Bb4
2024.12.31	Ronda 5: Cespedes Rodriguez, Luis Michel - Duran Vega, Sergio	5.4	2024.12.31 Cespedes Rodriguez, Luis Michel (6566510) (1966)	1	95.00%	1. e4 c5 2. Nf3 Nc6 3. Bb5 g6
2024.12.30	Ronda 4: Duran Vega, Sergio - Melendez Manuel A.	4.4	2024.12.30 Melendez Manuel A. (6706800) (1922)	1	97.30%	1. d4 Nf6 2. c4 g6 3. g3 Bg7
2024.12.30	Ronda 3: Ramirez Aguilar, Julian Jose - Duran Vega, Sergio	3.4	2024.12.30 Ramirez Aguilar, Julian Jose (6516629) (1841)	1	93.80%	1. d4 Nf6 2. Nc3 d5 3. Bg5 Nbd7
2024.12.30	Ronda 2: Duran Vega, Sergio - Campos Astorga, Priscila	2.4	2024.12.30 Campos Astorga, Priscila (6515720) (1677)	1	95.10%	1. Nf3 g6 2. d4 Bg7 3. c4 e6
2024.12.30	Ronda 1: Reyes Sarmiento, Aaron - Duran Vega, Sergio	1.4	2024.12.30 Reyes Sarmiento, Aaron (6559271) (1550)	1	97.40%	1. d4 Nf6 2. Nf3 d5 3. c4 e6
2024.12.30	Ronda 9: Melendez Manuel A. - Duran Vega, Sergio	9.4	2024.12.30 Melendez Manuel A. (6706800) (2140)	1	96.30%	1. e4 c5 2. Nf3 Nc6 3. Bb5 g6
2024.12.29	Ronda 8: Arias, Daniel - Duran Vega, Sergio	8.3	2024.12.29 Arias, Daniel (6700640) (2230)	½	90.80%	1. e4 c5 2. Nf3 Nc6 3. Bb5 g6
2024.12.29	Ronda 7: Duran Vega, Sergio - Almeida Quintana, Omar	7.2	2024.12.29 Almeida Quintana, Omar (3503313) (2487)	½	91.70%	1. d4 g6 2. Nf3 Bg7 3. c4 d6
2024.12.28	Ronda 6: Duran Vega, Sergio - Almeida Quintana, Omar	6.1	2024.12.28 Almeida Quintana, Omar (3503313) (2507)	0	87.90%	1. Nf3 Nf6 2. c4 g6 3. g3 Bg7
2024.12.28	Ronda 6: Duran Vega, Sergio - Garcia, Angie	6.4	2024.12.28 Garcia, Angie (6702503) (1951)	1	94.50%	1. Nf3 Nf6 2. d4 g6 3. Nbd2 d5
2024.12.28	Ronda 5: Miranda Mesa, Elier - Duran Vega, Sergio	5.2	2024.12.28 Miranda Mesa, Elier (3510697) (2520)	0	83.50%	1. e4 Nc6 2. Nf3 e5 3. Bb5 Nf6
2024.12.27	Ronda 4: Pastor Carvajal, Jeigoth - Duran Vega, Sergio	4.3	2024.12.27 Pastor Carvajal, Jeigoth (6516718) (2088)	1	92.60%	1. e4 Nc6 2. Nf3 e5 3. Nc3 Nf6
2024.12.27	Ronda 3: Duran Vega, Sergio - Mayorga Araya, Sofia	3.4	2024.12.27 Mayorga Araya, Sofia (6514065) (2038)	1	95.50%	1. Nf3 Nf6 2. c4 e6 3. Nc3 c5
2024.12.26	Ronda 2: Urbina Quiroz, Edwin - Duran Vega, Sergio	2.7	2024.12.26 Urbina Quiroz, Edwin (6500650) (2101)	1	90.10%	1. e4 Nc6 2. Nf3 e5 3. Nc3 Nf6
2024.12.26	Ronda 1: Duran Vega, Sergio - Solano Cordero, Jorge	1.3	2024.12.26 Solano Cordero, Jorge Alexis (6505155) (2001)	0	84.70%	1. e4 e6 2. d4 d5 3. Nc3 Nf6
2024.11.10	Round 5: Champsi, Imran - Duran Vega, Sergio	5.3	2024.11.10 Champsi, Imran (30960622) (2042)	1	96.50%	1. d4 Nf6 2. c4 e6 3. Nc3 Bb4
2024.11.10	Round 4: Duran Vega, Sergio - Xia, Joshua	4.3	2024.11.10 Xia, Joshua (30987830) (2052)	1	95.00%
2024.11.09	Round 3: Widjaja, Luke - Duran Vega, Sergio	3.3	2024.11.09 Widjaja, Luke (30984793) (2049)	0	92.70%	1. e4 c5 2. Nf3 e6 3. g3 Nc6
2024.11.09	Round 2: Hong, Pearson - Duran Vega, Sergio	2.3	2024.11.09 Hong, Pearson (75004003) (2081)	1	93.90%	1. d4 Nf6 2. c4 e6 3. Nc3 Bb4
2024.11.08	Round 1: Duran Vega, Sergio - Kodihalli, Kaustubh	1.3	2024.11.08 Kodihalli, Kaustubh (30956455) (2162)	*	95.50%	1. e4 c5 2. Nf3 Nc6 3. Bb5 g6
2024.09.22	45th FIDE Chess Olympiad	11.125	2024.09.22 Tin, Jingyao (5804418) (2580)	0	88.80%	1. d4 d5 2. c4 c6 3. Nf3 Nf6
2024.09.21	45th FIDE Chess Olympiad	10.129	2024.09.21 Ferreira, Jorge Viterbo (1910850) (2535)	1	95.30%	1. d4 Nf6 2. c4 e6 3. g3 Bb4+
2024.09.20	45th FIDE Chess Olympiad	9.121	2024.09.20 Bogner, Sebastian (4692055) (2545)	½	92.20%	1. d4 Nf6 2. c4 e6 3. g3 Bb4+
2024.09.19	45th FIDE Chess Olympiad	8.177	2024.09.19 Al-Ali, Hussein Ali Hussein (4800192) (2122)	½	93.90%	1. e4 c5 2. Nf3 Nc6 3. Bb5 g6
2024.09.18	45th FIDE Chess Olympiad	7.225	2024.09.18 Paiva, Donaldo (14800098) (2139)	1	92.00%	1. d4 Nf6 2. c4 e6 3. g3 d5
2024.09.16	45th FIDE Chess Olympiad	6.185	2024.09.16 Barbaria, Yacine (5501245) (2179)	0	89.60%	1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5
2024.09.14	45th FIDE Chess Olympiad	4.101	2024.09.14 Albornoz Cabrera, Carlos Daniel (3518736) (2579)	0	88.50%	1. c4 e6 2. Nc3 d5 3. d4 Nf6
2024.09.13	45th FIDE Chess Olympiad	3.213	2024.09.13 Chinchilla, Alejandro Jose (8401136) (2113)	1	94.50%	1. e4 e5 2. Nf3 Nf6 3. d4 Nxe4
2024.09.12	45th FIDE Chess Olympiad	2.125	2024.09.12 Mchedlishvili, Mikheil (13600966) (2574)	0	88.20%	1. c4 e5 2. g3 Nf6 3. Bg2 d5
2024.09.11	45th FIDE Chess Olympiad	1.301	2024.09.11 Solomon, Joshua (23800160) (1587)	1	89.90%	1. Nf3 Nf6 2. c4 e6 3. g3 g6
2024.09.07	Round 7: Arias Igual, Alejandro - Duran Vega, Sergio	7.4	2024.09.07 Arias Igual, Alejandro (2254905) (2265)	1	98.70%	1. e4 c5 2. Nf3 Nc6 3. Bb5 g6
2024.09.07	Round 6: Duran Vega, Sergio - Tonus, Alex	6.7	2024.09.07 Tonus, Alex (837911) (2043)	1	86.00%	1. d4 Nf6 2. c4 g6 3. g3 Bg7
2024.09.07	Round 5: Galiana Fernandez, Adrian - Duran Vega, Sergio	5.4	2024.09.07 Galiana Fernandez, Adrian (32010150) (2310)	0	84.00%	1. d4 Nf6 2. c4 e6 3. Nf3 d5
2024.09.06	Round 4: Duran Vega, Sergio - Sos Andreu, Eric	4.1	2024.09.06 Sos Andreu, Eric (22247017) (2359)	½	91.20%	1. d4 Nf6 2. c4 e6 3. g3 c5
2024.09.06	Round 3: Fernandez Lopez, Fernando Javier - Duran Vega, Sergio	3.6	2024.09.06 Fernandez Lopez, Fernando Javier (2203227) (1982)	1	92.30%	1. e4 c5 2. Nf3 Nc6 3. Bc4 e6
2024.09.05	Round 2: Duran Vega, Sergio - Jover Fuentes, Conchita	2.6	2024.09.05 Jover Fuentes, Conchita (2216795) (1871)	1	95.20%	1. Nf3 d6 2. d4 g6 3. g3 Bg7
2024.09.05	Round 1: Hladiy, Mark - Duran Vega, Sergio	1.6	2024.09.05 Hladiy, Mark (54705380) (1716)	1	93.20%	1. e4 c5 2. Nf3 Nc6 3. c3 Nf6
2024.07.27	Round 7: Boggiano Pereira, Miguel A. - Duran Vega, Sergio	7.2	2024.07.27 Boggiano Pereira, Miguel A. (3102750) (2008)	1	96.10%	1. d4 Nf6 2. c4 c5 3. d5 b5
2024.07.26	Round 6: Duran Vega, Sergio - Plat, Vojtech	6.2	2024.07.26 Plat, Vojtech (325740) (2465)	½	99.60%	1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6
2024.07.25	Round 5: Duran Vega, Sergio - Vales Quinones, Pedro I.	5.3	2024.07.25 Vales Quinones, Pedro I. (3111717) (1757)	1	88.00%	1. d4 Nf6 2. c4 c5 3. d5 b5
2024.07.25	Round 4: Cabezas Solano, David Alejandro - Duran Vega, Sergio	4.2	2024.07.25 Cabezas Solano, David Alejandro (6507522) (2228)	1	92.10%	1. Nf3 d5 2. b3 Bg4 3. Bb2 Nd7
2024.07.24	Round 3: Duran Vega, Sergio - Nagy, Gabor	3.2	2024.07.24 Nagy, Gabor (737119) (2440)	0	91.00%	1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6
2024.07.23	Round 2: Mejias Nunez, Rafael E. - Duran Vega, Sergio	2.3	2024.07.23 Mejias Nunez, Rafael E. (3105873) (2007)	1	90.50%	1. e4 c5 2. Nf3 e6 3. d4 cxd4
2024.07.22	Round 1: Duran Vega, Sergio - Salvador E Infante	1.3	2024.07.22 Salvador E Infante (21017415)	1	95.00%	1. e4 c5 2. Nf3 d6 3. d4 Nf6
2024.06.02	Round 11: Restrepo Ortiz, Brayan David - Duran Vega, Sergio		2024.06.02 Restrepo Ortiz, Brayan David (144411839) (1889)	1	95.20%	1. e4 c5 2. Nf3 Nc6 3. d4 cxd4
2024.06.02	Round 9: Rueda Rojas, Richard Alejandro - Duran Vega, Sergio		2024.06.02 Rueda Rojas, Richard Alejandro (4491505) (1944)	1	96.80%	1. e4 c5 2. Nc3 Nc6 3. g3 g6
2024.06.02	Round 8: Caballero Marrugo, David Jose - Duran Vega, Sergio		2024.06.02 Caballero Marrugo, David Jose (4459091) (1927)	½	88.50%	1. d4 Nf6 2. c4 e6 3. Nf3 d5
2024.06.02	Round 7: Duran Vega, Sergio - Ojeda, Jesus David		2024.06.02 Ojeda, Jesus David (4401743) (2071)	0	67.50%	1. d4 e6 2. c4 Nf6 3. g3 d5
2024.06.02	Round 6: Arrieta Hernandez, Cristian - Duran Vega, Sergio		2024.06.02 Arrieta Hernandez, Cristian (4455207) (2163)	0	85.90%	1. a4 d5 2. Nf3 Nf6 3. c4 d4
2024.06.01	Round 5: Duran Vega, Sergio - Jimenez Jimenez, Leandro		2024.06.01 Jimenez Jimenez, Leandro (6415253) (2121)	1	91.60%	1. d4 d5 2. Nf3 e6 3. c4 c6
2024.06.01	Round 4: Mena Cordoba, Yamil Octavio - Duran Vega, Sergio		2024.06.01 Mena Cordoba, Yamil Octavio (4422376) (2011)	1	97.40%	1. e4 c5 2. Nf3 Nc6 3. b4 Nxb4
2024.06.01	Round 3: Duran Vega, Sergio - Restrepo Ortiz, Brayan David		2024.06.01 Restrepo Ortiz, Brayan David (144411839) (1904)	1	94.50%	1. d4 d5 2. Nf3 Nf6 3. c4 e6
2024.06.01	Round 2: Vega Hurtado, John Jairo - Duran Vega, Sergio		2024.06.01 Vega Hurtado, John Jairo (4457293) (1714)	1	97.50%	1. e4 c5 2. Nf3 Nc6 3. d4 cxd4
2024.06.01	Round 1: Duran Vega, Sergio - Diaz Padilla, Richard		2024.06.01 Diaz Padilla, Richard (4499107) (1789)	½	74.80%	1. d4 Nf6 2. c4 b6 3. f3 d5
2024.05.31	Round 10: Duran Vega, Sergio - Argote Heredia, Valentina		2024.05.31 Argote Heredia, Valentina (4431022) (2145)	½	97.50%	1. d4 Nf6 2. c4 e6 3. g3 d5
2024.05.30	Round 9: Ruiz Aguilar, Pablo Alexander - Duran Vega, Sergio		2024.05.30 Ruiz Aguilar, Pablo Alexander (4401352) (2163)	½	94.70%	1. e4 c5 2. Nf3 Nc6 3. Nc3 g6
2024.05.30	Round 9: Duran Vega, Sergio - Arango, Andres Mauricio		2024.05.30 Arango, Andres Mauricio (4403789) (2064)	0	81.50%	1. d4 d5 2. c4 c6 3. Nf3 Nf6
2024.05.30	Round 8: Ynojosa Aponte, Felix Jose - Duran Vega, Sergio		2024.05.30 Ynojosa Aponte, Felix Jose (3900258) (2454)	0	89.50%	1. c4 e6 2. e4 c5 3. Nf3 Nc6
2024.05.30	Round 7: Duran Vega, Sergio - Munoz Sanchez, Miguel		2024.05.30 Munoz Sanchez, Miguel (3600734) (2124)	1	87.70%	1. d4 Nf6 2. c4 e6 3. g3 Bb4+
2024.05.30	Round 6: Nunez Rudas, Carlos Daniel - Duran Vega, Sergio		2024.05.30 Nunez Rudas, Carlos Daniel (144417080) (2017)	1	98.00%	1. e4 c5 2. Nf3 Nc6 3. b3 Nf6
2024.05.30	Round 5: Duran Vega, Sergio - Guarin Fonseca, Nobel Alfredo		2024.05.30 Guarin Fonseca, Nobel Alfredo (4477731) (1950)	1	89.30%	1. d4 Nf6 2. c4 e6 3. g3 d5
2024.05.30	Round 4: Martinez, Marlon - Duran Vega, Sergio		2024.05.30 Martinez, Marlon (8406715) (1860)	1	98.30%	1. d4 Nf6 2. e3 g6 3. Bd3 Bg7
2024.05.30	Round 3: Duran Vega, Sergio - Ospina Castro, Santiago		2024.05.30 Ospina Castro, Santiago (4443160) (1998)	0	70.10%	1. d4 Nf6 2. c4 e6 3. g3 d5
2024.05.29	Round 1: Duran Vega, Sergio - Pineda Tamayo, Fernando A		2024.05.29 Pineda Tamayo, Fernando A (4484193) (1803)	½	79.50%	1. d4 d5 2. c4 e6 3. Nf3 Nf6
2024.05.29	Round 8: Duran Vega, Sergio - Vargas, Gabriela		2024.05.29 Vargas, Gabriela (3700860) (2115)	1	94.00%	1. d4 d5 2. Nf3 Nf6 3. c4 e6
2024.05.28	Round 7: Vergara Rozas, Jose - Duran Vega, Sergio		2024.05.28 Vergara Rozas, Jose (3404870) (1977)	1	96.20%	1. e4 c5 2. Nf3 Nc6 3. Bb5 g6
2024.05.27	Round 6: Duran Vega, Sergio - Ortiz Monsalve, Sebastian		2024.05.27 Ortiz Monsalve, Sebastian (4486897) (1881)	1	95.00%	1. d4 Nf6 2. c4 c5 3. d5 b5
2024.05.27	Round 5: Becker Newmark, Jeronimo - Duran Vega, Sergio		2024.05.27 Becker Newmark, Jeronimo (144407009) (1868)	½	89.40%	1. d4 Nf6 2. Bf4 d5 3. e3 c5
2024.05.27	Round 4: Duran Vega, Sergio - Dominguez Rincon, Miller Duvan		2024.05.27 Dominguez Rincon, Miller Duvan (4406583) (2003)	0	85.50%	1. d4 d5 2. Nf3 Nf6 3. c4 e6
2024.05.27	Round 3: Gonzalez Mojica, Renan Arturo - Duran Vega, Sergio		2024.05.27 Gonzalez Mojica, Renan Arturo (4482379) (1960)	½	98.30%	1. d4 Nf6 2. c4 e6 3. Nf3 d5
2024.05.27	Round 2: Duran Vega, Sergio - Garmendia Vega, Gabriel		2024.05.27 Garmendia Vega, Gabriel (3414361) (1987)	½	89.20%	1. Nf3 d5 2. d4 c5 3. e3 Nf6
2024.05.27	Round 1: Martinez Paipa, Hernan - Duran Vega, Sergio		2024.05.27 Martinez Paipa, Hernan (4412818) (1839)	1	96.10%	1. e4 c5 2. Nf3 Nc6 3. d4 cxd4
2023.12.01	Round 8: Sergio Duran Vega - Omar Almeida Quintana		2023.12.01 Omar Almeida Quintana (2509)	0	89.30%	1. d4 d6 2. Nf3 g6 3. c4 Bg7
2023.11.30	Round 7: Carlos Morales - Sergio Duran Vega		2023.11.30 Carlos Morales (2102)	1	93.70%	1. c4 Nf6 2. Nf3 e6 3. Nc3 d5
2023.11.29	Round 5: Michel Alejandro Diaz Perez - Sergio Duran Vega		2023.11.29 Michel Alejandro Diaz Perez (2459)	0	87.30%	1. e4 c5 2. Nf3 Nc6 3. Bb5 g6
2023.11.28	Round 4: Sergio Duran Vega - Roxangel Obregon Garcia		2023.11.28 Roxangel Obregon Garcia (2138)	1	85.30%	1. Nf3 d5 2. g3 Nf6 3. Bg2 e6
2023.11.26	Round 3: Sandro Mareco - Sergio Duran Vega		2023.11.26 Sandro Mareco (2606)	0	78.70%	1. e4 c5 2. Nf3 Nc6 3. Bb5 g6
2023.11.18	Round 4: Carlos Morales - Sergio Duran Vega		2023.11.18 Carlos Morales	1	94.60%	1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7
2023.11.18	Round 3: Sergio Duran Vega - Carlos A Juarez Flores		2023.11.18 Carlos A Juarez Flores	0	89.00%	1. d4 d5 2. Bf4 Nf6 3. e3 c5
2023.11.18	Round 2: Jose Espinoza - Sergio Duran Vega		2023.11.18 Jose Espinoza	1	95.90%	1. e4 g6 2. d4 Bg7 3. Nc3 d5
2023.11.18	Round 1: Sergio Duran Vega - Nilson Cardenas Carbajal		2023.11.18 Nilson Cardenas Carbajal	1	98.60%	1. Nf3 Nf6 2. c4 e6 3. Nc3 d5
2023.10.15	Round 9: Atlas Adomaitis Galaviz Medina - Sergio Duran Vega		2023.10.15 Atlas Adomaitis Galaviz Medina (2147)	1	93.70%	1. d4 Nf6 2. Nf3 d5 3. e3 c5
2023.10.15	Round 8: Sergio Duran Vega - Luis Carlos Torres Rosas		2023.10.15 Luis Carlos Torres Rosas (2271)	1	97.90%	1. Nf3 Nf6 2. c4 e6 3. g3 d5
2023.10.14	Round 7: Gabriel Flom - Sergio Duran Vega		2023.10.14 Gabriel Flom (2445)	0	86.20%	1. d4 Nf6 2. Nc3 d5 3. Bf4 a6
2023.10.14	Round 6: Sergio Duran Vega - Damaris Abarca Gonzalez		2023.10.14 Damaris Abarca Gonzalez (1984)	1	94.00%	1. Nf3 d5 2. d4 Nf6 3. c4 c6
2023.10.13	Round 5: Sion Radamantys Galaviz Medina - Sergio Duran Vega		2023.10.13 Sion Radamantys Galaviz Medina (2454)	0	90.40%	1. d4 Nf6 2. c4 e6 3. Nc3 d5
2023.10.13	Round 4: Jorge Roberto Elias Reyes - Sergio Duran Vega		2023.10.13 Jorge Roberto Elias Reyes (2466)	½	88.70%	1. e4 c5 2. Nf3 Nc6 3. Nc3 g6
2023.10.13	Round 4: Jorge Roberto Elias Reyes - Sergio Duran Vega		2023.10.13 Jorge Roberto Elias Reyes (2466)	*	93.60%	1. e4 c5 2. Nf3 Nc6 3. Nc3 g6
2023.10.13	Round 1: Sergio Duran Vega - Cris Sebastian Morlett Ovalle		2023.10.13 Cris Sebastian Morlett Ovalle (1950)	1	97.60%	1. Nf3 d5 2. d4 Nf6 3. c4 c6
2023.10.13	Round 2: Ineymig Hernandez Gil - Sergio Duran Vega		2023.10.13 Ineymig Hernandez Gil (2170)	1	88.80%	1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6
2023.10.13	Round 3: Sergio Duran Vega - Juan Carlos Gonzalez Zamora		2023.10.13 Juan Carlos Gonzalez Zamora (2479)	½	92.30%	1. Nf3 Nf6 2. d4 g6 3. c4 Bg7
2023.07.06	Round 15: Felix Jose Ynojosa Aponte - Sergio Duran Vega		2023.07.06 Felix Jose Ynojosa Aponte	0	94.60%	1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6
2023.07.06	Round 14: Sergio Duran Vega - Jose Gabriel Cardoso Cardoso		2023.07.06 Jose Gabriel Cardoso Cardoso	0	86.80%	1. Nf3 d5 2. d4 Nf6 3. c4 e6
2023.07.06	Round 13: Hayden Lee - Sergio Duran Vega		2023.07.06 Hayden Lee	0	88.40%	1. d4 Nf6 2. Nf3 d5 3. e3 Bg4
2023.07.06	Round 12: Sergio Duran Vega - William Alfaro		2023.07.06 William Alfaro	½	90.40%	1. d4 Nf6 2. Nf3 g6 3. c4 c5
2023.07.06	Round 11: Jorge Ernesto Giron - Sergio Duran Vega		2023.07.06 Jorge Ernesto Giron	½	98.40%	1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6
2023.07.06	Round 10: Sergio Duran Vega - Gian Carlo Arvelo Leo		2023.07.06 Gian Carlo Arvelo Leo	½	88.10%	1. Nf3 Nf6 2. c4 c6 3. d4 d5
2023.07.06	Round 9: Luis Ernesto Quesada Perez - Sergio Duran Vega		2023.07.06 Luis Ernesto Quesada Perez	0	86.80%	1. d4 Nf6 2. c4 e6 3. Nf3 d5
2023.07.06	Round 8: Sergio Duran Vega - Shreyas Smith		2023.07.06 Shreyas Smith	0	83.00%	1. Nf3 d5 2. d4 Nf6 3. c4 e6
2023.07.06	Round 7: Sergio Duran Vega - Luis Fernando Ibarra Chami		2023.07.06 Luis Fernando Ibarra Chami	1	92.40%	1. Nf3 d5 2. d4 Nf6 3. c4 e6
2023.07.06	Round 6: Miguel A. Boggiano Pereira - Sergio Duran Vega		2023.07.06 Miguel A. Boggiano Pereira	½	90.40%	1. d4 Nf6 2. c4 e6 3. Nc3 Bb4
2023.07.06	Round 5: Sergio Duran Vega - Orlando Andres Leon Archibaldo		2023.07.06 Orlando Andres Leon Archibaldo	½	95.80%	1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7
2023.07.06	Round 4: Angelo Etienne - Sergio Duran Vega		2023.07.06 Angelo Etienne	½	84.70%	1. Nf3 d5 2. g3 Bg4 3. Bg2 e6
2023.07.06	Round 3: Sergio Duran Vega - Martyn Del Castilho		2023.07.06 Martyn Del Castilho	½	80.10%	1. Nf3 d5 2. g3 Nf6 3. Bg2 e6
2023.07.06	Round 2: Cyrus Daniel - Sergio Duran Vega		2023.07.06 Cyrus Daniel	*	96.40%	1. d4 Nf6 2. c4 e6 3. Nc3 Bb4
2023.07.06	Round 1: Sergio Duran Vega - Alejandro Jose Chinchilla		2023.07.06 Alejandro Jose Chinchilla	1	91.60%	1. Nf3 d5 2. d4 Nf6 3. c4 e6
2023.07.06	Round 15: Sergio Duran Vega - Hayden Lee		2023.07.06 Hayden Lee	1	96.20%	1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7
2023.07.05	Round 14: Luis Fernando Ibarra Chami - Sergio Duran Vega		2023.07.05 Luis Fernando Ibarra Chami	0	90.10%	1. e4 c5 2. Nf3 Nc6 3. d4 cxd4
2023.07.05	Round 13: Sergio Duran Vega - Miguel A. Boggiano Pereira		2023.07.05 Miguel A. Boggiano Pereira	0	86.90%	1. d4 Nf6 2. c4 c5 3. d5 b5
2023.07.05	Round 12: Gian Carlo Arvelo Leo - Sergio Duran Vega		2023.07.05 Gian Carlo Arvelo Leo	0	88.00%	1. Nf3 Nf6 2. c4 g6 3. b3 Bg7
2023.07.05	Round 11: Sergio Duran Vega - Esteban Alb Valderrama Quiceno		2023.07.05 Esteban Alb Valderrama Quiceno	0	83.70%	1. d4 Nf6 2. c4 e6 3. g3 Bb4+
2023.07.05	Round 10: Felix Jose Ynojosa Aponte - Sergio Duran Vega		2023.07.05 Felix Jose Ynojosa Aponte	½	94.50%	1. e4 c5 2. c3 d5 3. exd5 Qxd5
2023.07.04	Round 9: Sergio Duran Vega - William Alfaro		2023.07.04 William Alfaro	½	93.00%	1. Nf3 c5 2. c4 g6 3. d4 cxd4
2023.07.04	Round 8: Cyrus Daniel - Sergio Duran Vega		2023.07.04 Cyrus Daniel	1	97.20%	1. e4 c5 2. Nc3 Nc6 3. f4 g6
2023.07.04	Round 7: Sergio Duran Vega - Alejandro Jose Chinchilla		2023.07.04 Alejandro Jose Chinchilla	½	93.00%	1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6
2023.07.04	Round 6: Shreyas Smith - Sergio Duran Vega		2023.07.04 Shreyas Smith	1	87.70%	1. e4 c5 2. Nf3 Nc6 3. Bb5 e6
2023.07.04	Round 5: Sergio Duran Vega - Jorge Ernesto Giron		2023.07.04 Jorge Ernesto Giron	1	95.30%	1. Nf3 Nf6 2. c4 e6 3. g3 b6
2023.07.03	Round 4: Angelo Etienne - Sergio Duran Vega		2023.07.03 Angelo Etienne	0	83.40%	1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7
2023.07.03	Round 3: Sergio Duran Vega - Orlando Andres Leon Archibaldo		2023.07.03 Orlando Andres Leon Archibaldo	1	93.30%	1. Nf3 d5 2. d4 Nf6 3. c4 c6
2023.07.03	Round 2: Luis Ernesto Quesada Perez - Sergio Duran Vega		2023.07.03 Luis Ernesto Quesada Perez	½	81.70%	1. d4 Nf6 2. c4 g6 3. Nc3 Bg7
2023.07.03	Round 1: Sergio Duran Vega - Martyn Del Castilho		2023.07.03 Martyn Del Castilho	1	91.50%	1. Nf3 d5 2. g3 Nf6 3. Bg2 e6