Player profile
Chua, Ethan
Dossier
117 of 123 games analyzed.
Accuracy: 90.8%
Opened e4: 47/54Opened Nf3: 3/54Opened d4: 3/54Opened c4: 1/54
Castled kingside: 87Same-side castling: 73Opposite-side castling: 18Castled queenside: 14Did not castle: 7
Played in the center: 42Fianchettoed kingside: 35Played on the kingside: 32Played on the queenside: 22Fianchettoed queenside: 9
Active pieces: 85Sacrificed material: 66Initiated exchanges: 66Space advantage: 64Kept the bishop pair: 56Isolated pawn: 53Backward pawn: 52Missed tactics: 25Avoided exchanges: 23Played gambits: 13
Openings
Click "+" to add that group to the games list below. Multiple groups can be added at once.
As White 59 games 31W 15D 12L
Sicilian Defense 30 games 15W 7D 7L
Lasker-Pelikan Variation 7 games 5W 1D 1L
Sveshnikov Variation, Novosibirsk Variation
4 games
2W
1D
1L
Sveshnikov Variation
3 games
3W
0D
0L
Najdorf Variation 6 games 0W 4D 2L
English Attack
5 games
0W
4D
1L
Opocensky Variation
1 game
0W
0D
1L
Keres Variation 3 games 2W 0D 1L
(unspecified)
3 games
2W
0D
1L
Four Knights Variation 2 games 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Cobra Variation
1 game
0W
0D
0L
Scheveningen Variation 2 games 1W 1D 0L
Classical Variation
1 game
1W
0D
0L
English Attack, with f3
1 game
0W
1D
0L
Taimanov Variation 2 games 1W 0D 1L
Bastrikov Variation, English Attack
2 games
1W
0D
1L
Dragon Variation 2 games 1W 1D 0L
Yugoslav Attack, Panov Variation
2 games
1W
1D
0L
Kan Variation 2 games 2W 0D 0L
Knight Variation
1 game
1W
0D
0L
(unspecified)
1 game
1W
0D
0L
Accelerated Dragon 1 game 0W 0D 1L
Modern Bc4 Variation
1 game
0W
0D
1L
Richter-Rauzer Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
O'Kelly Variation 1 game 1W 0D 0L
Yerevan System
1 game
1W
0D
0L
Godiva Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Caro-Kann Defense 6 games 2W 2D 2L
Advance Variation 3 games 2W 1D 0L
Botvinnik-Carls Defense
3 games
2W
1D
0L
Tartakower Variation 2 games 0W 1D 1L
(unspecified)
2 games
0W
1D
1L
Two Knights Attack 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
French Defense 6 games 4W 2D 0L
Tarrasch Variation 5 games 3W 2D 0L
Open System, Euwe-Keres Line
1 game
1W
0D
0L
Guimard Defense, Main Line
1 game
1W
0D
0L
Closed Variation, Main Line
1 game
0W
1D
0L
Closed Variation
1 game
1W
0D
0L
Open System, Main Line
1 game
0W
1D
0L
Rubinstein Variation 1 game 1W 0D 0L
Fort Knox Variation
1 game
1W
0D
0L
Ruy Lopez 5 games 1W 1D 3L
Closed 2 games 0W 1D 1L
Breyer Defense, Zaitsev Hybrid
1 game
0W
1D
0L
Keres Defense
1 game
0W
0D
1L
Morphy Defense 1 game 0W 0D 1L
Neo-Arkhangelsk Variation
1 game
0W
0D
1L
Open 1 game 1W 0D 0L
Bernstein Variation
1 game
1W
0D
0L
Berlin Defense 1 game 0W 0D 1L
Anti-Berlin Variation
1 game
0W
0D
1L
Queen's Pawn Game 2 games 2W 0D 0L
Colle System 2 games 2W 0D 0L
Traditional Colle
1 game
1W
0D
0L
Anti-Colle
1 game
1W
0D
0L
Pirc Defense 2 games 2W 0D 0L
(unspecified) 2 games 2W 0D 0L
(unspecified)
2 games
2W
0D
0L
English Opening 2 games 1W 1D 0L
Mikenas-Carls Variation 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Symmetrical Variation 1 game 1W 0D 0L
Anti-Benoni Variation, Spielmann Defense
1 game
1W
0D
0L
Slav Defense 2 games 1W 1D 0L
Quiet Variation 2 games 1W 1D 0L
(unspecified)
1 game
1W
0D
0L
Schallopp Defense
1 game
0W
1D
0L
Bishop's Opening 2 games 2W 0D 0L
Vienna Hybrid 2 games 2W 0D 0L
(unspecified)
2 games
2W
0D
0L
King's Indian Defense 1 game 1W 0D 0L
Normal Variation 1 game 1W 0D 0L
King's Knight Variation
1 game
1W
0D
0L
Vienna Game 1 game 0W 1D 0L
Vienna Gambit 1 game 0W 1D 0L
Paulsen Attack
1 game
0W
1D
0L
As Black 55 games 26W 15D 14L
King's Indian Defense 15 games 6W 5D 4L
Fianchetto Variation 4 games 1W 1D 2L
Panno Variation
2 games
1W
1D
0L
Uhlmann-Szabo System
1 game
0W
0D
1L
Carlsbad Variation
1 game
0W
0D
1L
Orthodox Variation 3 games 0W 2D 1L
Classical System
1 game
0W
1D
0L
Aronin-Taimanov Defense
1 game
0W
1D
0L
Gligoric-Taimanov System
1 game
0W
0D
1L
Sämisch Variation 2 games 1W 0D 1L
Panno Formation
1 game
0W
0D
1L
Closed Variation
1 game
1W
0D
0L
Semi-Averbakh System 2 games 2W 0D 0L
(unspecified)
2 games
2W
0D
0L
Petrosian Variation 1 game 0W 1D 0L
Stein Defense
1 game
0W
1D
0L
Normal 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
Makogonov Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Sicilian Defense 14 games 11W 2D 1L
Kalashnikov Variation 5 games 4W 1D 0L
(unspecified)
5 games
4W
1D
0L
Closed 3 games 2W 1D 0L
Traditional
2 games
1W
1D
0L
Chameleon Variation
1 game
1W
0D
0L
Nyezhmetdinov-Rossolimo Attack 3 games 3W 0D 0L
(unspecified)
3 games
3W
0D
0L
Alapin Variation 2 games 1W 0D 1L
Barmen Defense
2 games
1W
0D
1L
Najdorf Variation 1 game 1W 0D 0L
English Attack
1 game
1W
0D
0L
Caro-Kann Defense 11 games 4W 3D 4L
Two Knights Attack 3 games 0W 2D 1L
(unspecified)
3 games
0W
2D
1L
Advance Variation 2 games 1W 0D 1L
Botvinnik-Carls Defense
2 games
1W
0D
1L
Tartakower Variation 2 games 0W 1D 1L
(unspecified)
2 games
0W
1D
1L
Endgame Offer 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Exchange Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Maróczy Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Panov Attack 1 game 1W 0D 0L
Modern Defense
1 game
1W
0D
0L
Indian Defense 4 games 1W 1D 2L
Anti-Nimzo-Indian 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Knights Variation 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Przepiorka Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Accelerated London System 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Trompowsky Attack 2 games 1W 1D 0L
Classical Defense 1 game 0W 1D 0L
Big Center Variation
1 game
0W
1D
0L
(unspecified) 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
English Opening 2 games 1W 0D 1L
Anglo-Indian Defense 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Symmetrical Variation 1 game 1W 0D 0L
Four Knights Variation
1 game
1W
0D
0L
Italian Game 2 games 1W 1D 0L
Classical Variation 1 game 1W 0D 0L
Giuoco Pianissimo
1 game
1W
0D
0L
Giuoco Pianissimo 1 game 0W 1D 0L
Normal
1 game
0W
1D
0L
Zukertort Opening 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Tarrasch Defense 1 game 0W 0D 1L
Classical Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Catalan Opening 1 game 0W 1D 0L
Closed 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Queen's Indian Defense 1 game 0W 0D 1L
Fianchetto Variation 1 game 0W 0D 1L
Nimzowitsch Variation
1 game
0W
0D
1L
Polish Opening 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Blunders Top 4 of 488
This player's costliest moves in analyzed games. Can you find the winning move?
Games Showing all 123 games
| Date | Event | Round | Color | Opponent | Result | Accuracy % | First moves |
|---|---|---|---|---|---|---|---|
| 2026.10.25 | Amsterdam Chess Open 2026 - Group A | 6.5 | 2026.10.25 Braun, Vitali (4684915) (2295) | 0 | 84.20% | 1. d4 Nf6 2. c4 e6 3. Nf3 h6 | |
| 2026.10.25 | Amsterdam Chess Open 2026 - Group A | 5.8 | 2026.10.25 Zhu, Chenwu (1080687) (2332) | 1 | 91.30% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2026.09.13 | Jan Timman Schaal | 4.7 | 2026.09.13 Suvorov, Alexander (12977063) (2290) | 0 | 76.70% | 1. e4 c5 2. Ne2 d6 3. g3 g6 | |
| 2026.09.13 | Jan Timman Schaal | 3.7 | 2026.09.13 Suvorov, Alexander (12977063) (2290) | ½ | 85.60% | 1. Nf3 Nf6 2. g3 c5 3. Bg2 Nc6 | |
| 2026.09.13 | Jan Timman Schaal | 2.7 | 2026.09.13 Pham, Khoi (1054988) (2292) | 0 | 86.50% | 1. Nf3 Nf6 2. c4 c5 3. Nc3 Nc6 | |
| 2026.09.13 | Jan Timman Schaal | 1.7 | 2026.09.13 Pham, Khoi (1054988) (2292) | ½ | 96.30% | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 | |
| 2026.08.16 | Oscar Romero Open Hoorns Kampioenschap 2026 | 6.8 | 2026.08.16 Winter, Sven (1092375) (2071) | ½ | 88.50% | 1. e4 c6 2. d4 d5 3. e5 c5 | |
| 2026.08.14 | Oscar Romero Open Hoorns Kampioenschap 2026 | 1.9 | 2026.08.14 Cheung, Jan (1010735) (1984) | ½ | 92.70% | 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 | |
| 2026.07.24 | Round 4: Chua, Ethan - Xue, Luka | 4.20 | 2026.07.24 Xue, Luka (16277252) (1976) | 1 | 94.50% | 1. e4 e6 2. d4 d5 3. Nd2 c5 | |
| 2026.07.23 | Round 3: Chua, Ethan - Vlieger, Olaf | 3.23 | 2026.07.23 Vlieger, Olaf (1090844) (2115) | 1 | 98.40% | 1. Nf3 d5 2. d4 Nf6 3. e3 c5 | |
| 2026.07.22 | Round 2: Riechenberg, Sebastian - Chua, Ethan | 2.24 | 2026.07.22 Riechenberg, Sebastian (34605231) (2130) | ½ | 92.20% | 1. d4 Nf6 2. c4 e6 3. Nf3 d5 | |
| 2026.05.10 | Ronde 6: Cornelisse, Lorelei - Chua, Ethan | 6.7 | 2026.05.10 Cornelisse, Lorelei (1087177) (2185) | 0 | 91.30% | 1. d4 Nf6 2. c4 e6 3. Nf3 b6 | |
| 2026.05.10 | Ronde 5: Chua, Ethan - Kurt, Sascha | 5.4 | 2026.05.10 Kurt, Sascha (1082647) (2325) | 0 | 88.60% | 1. e4 c5 2. Ne2 Nf6 3. Nbc3 d6 | |
| 2026.05.09 | Ronde 4: Verhoeven, Robin - Chua, Ethan | 4.8 | 2026.05.09 Verhoeven, Robin (1054775) (2030) | 1 | 93.70% | 1. e4 c5 2. Nc3 Nc6 3. Bb5 Nf6 | |
| 2026.05.09 | Ronde 3: Ethan Chua - Freek Thijssen | 3.8 | 2026.05.09 Thijssen, Freek (1091840) (2133) | ½ | 96.60% | 1. e4 c5 2. Ne2 Nc6 3. Nbc3 Nf6 | |
| 2026.05.09 | Ronde 2: Wouter Terlouw - Ethan Chua | 2.2 | 2026.05.09 Terlouw, Wouter (1087401) (2259) | ½ | 93.00% | 1. d4 Nf6 2. Bg5 e6 3. e4 h6 | |
| 2026.05.08 | Round 1: Ethan Chua - Pim Blijlevens | 1.12 | 2026.05.08 Blijlevens, Pim (1022997) (1929) | 1 | - | 1. e4 e6 2. d4 d5 3. Nd2 Nc6 | |
| 2026.05.02 | Round 9: Chua, Ethan - Gergin, Isafara | 9.13 | 2026.05.02 Gergin, Isafara (1082167) (1836) | 0 | 92.50% | 1. e4 c6 2. Nc3 d5 3. Nf3 dxe4 | |
| 2026.05.02 | Round 8: Thijssen, Freek - Chua, Ethan | 8.20 | 2026.05.02 Thijssen, Freek (1091840) (1913) | 1 | 88.30% | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 | |
| 2026.05.02 | Round 7: Chua, Ethan - De Wit, Evan | 7.23 | 2026.05.02 De Wit, Evan (1096389) (1883) | 1 | 94.60% | 1. e4 c5 2. Ne2 Nc6 3. Nbc3 Nf6 | |
| 2026.05.02 | Round 6: Ondersteijn, Niels - Chua, Ethan | 6.7 | 2026.05.02 Ondersteijn, Niels (1011162) (2394) | 0 | 81.20% | 1. c4 Nf6 2. g3 g6 3. Bg2 Bg7 | |
| 2026.05.02 | Round 5: Pol, Nico - Chua, Ethan | 5.23 | 2026.05.02 Pol, Nico (1064002) (1872) | 1 | 94.30% | 1. b4 e5 2. Bb2 Bxb4 3. Bxe5 Nf6 | |
| 2026.05.02 | Round 4: Chua, Ethan - Schoorl, Rob | 4.10 | 2026.05.02 Schoorl, Rob (1009508) (2307) | 0 | 87.40% | 1. e4 c5 2. Ne2 g6 3. d4 cxd4 | |
| 2026.05.02 | Round 3: Chua, Ethan - Xu, Alex Z | 3.25 | 2026.05.02 Xu, Alex Z (40114775) (1983) | 1 | 94.70% | 1. e4 c5 2. Ne2 e6 3. Nbc3 Nc6 | |
| 2026.05.02 | Round 2: John, Ryan - Chua, Ethan | 2.28 | 2026.05.02 John, Ryan (40102122) (1814) | 1 | 47.30% | 1. c4 Nf6 2. Nc3 c5 3. Nf3 Nc6 | |
| 2026.05.02 | Round 1: Chua, Ethan - Altounsi, Abdulwarith Ali | 1.29 | 2026.05.02 Altounsi, Abdulwarith Ali (9214500) (1697) | 1 | 93.40% | 1. e4 d6 2. d4 Nf6 3. Nc3 g6 | |
| 2026.04.25 | Round 2: Winter, Sven - Chua, Ethan | 2.3 | 2026.04.25 Winter, Sven (1092375) (2013) | 1 | 91.50% | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 | |
| 2026.04.25 | Round 1: Chua, Ethan - Roebers, Bregje | 1.5 | 2026.04.25 Roebers, Bregje (1085174) (1945) | 1 | 94.70% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2026.04.12 | Round 7: Chua, Ethan - De Jong, Lode | 7.1 | 2026.04.12 De Jong, Lode (40101860) (1955) | ½ | 98.20% | 1. c4 Nf6 2. Nc3 e6 3. e4 d5 | |
| 2026.04.12 | Round 6: Aravindhan, Achyuth - Chua, Ethan | 6.1 | 2026.04.12 Aravindhan, Achyuth (1084216) (2277) | ½ | 95.20% | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 | |
| 2026.04.12 | Round 5: Chua, Ethan - Baarspul, Bram | 5.1 | 2026.04.12 Baarspul, Bram (40106187) (2177) | 1 | 97.20% | 1. Nf3 c5 2. c4 Nf6 3. Nc3 Nc6 | |
| 2026.04.12 | Round 4: Groenewoud, Joel - Chua, Ethan | 4.1 | 2026.04.12 Groenewoud, Joel (1087746) (2114) | 1 | 94.30% | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 | |
| 2026.04.12 | Round 3: Chua, Ethan - Kurt, Sascha | 3.1 | 2026.04.12 Kurt, Sascha (1082647) (2280) | 1 | 94.70% | 1. e4 c5 2. Ne2 d6 3. g3 Nc6 | |
| 2025.12.29 | Round 9: Grooten, Herman - Chua, Ethan | 9.19 | 2025.12.29 Grooten, Herman (1000330) (2176) | ½ | 97.80% | 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 | |
| 2025.12.28 | Round 7: Wempe, Joost - Chua, Ethan | 7.22 | 2025.12.28 Wempe, Joost (1005502) (2222) | 0 | 91.60% | 1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 | |
| 2025.12.27 | Chessfestival Groningen 2025 Open A | 3.25 | 2025.12.27 Bakker, Jouke (1022067) (2172) | 0 | - | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 | |
| 2025.12.26 | Round 6: Chua, Ethan - Albers, Sasa | 6.14 | 2025.12.26 Albers, Sasa (1068253) (2345) | 0 | 77.20% | 1. e4 c5 2. Ne2 Nc6 3. Nbc3 d6 | |
| 2025.12.26 | Chessfestival Groningen 2025 Open A | 1.26 | 2025.12.26 Aakash, G. (2300) | ½ | - | 1. e4 e6 2. d4 d5 3. Nd2 Nf6 | |
| 2025.12.24 | Round 5: Keuning, Selwin - Chua, Ethan | 5.20 | 2025.12.24 Keuning, Selwin (1034219) (2196) | 1 | 89.30% | 1. e4 c5 2. Nf3 Nc6 3. Bb5 Nf6 | |
| 2025.12.22 | Round 2: Babazada, Khazar - Chua, Ethan | 2.18 | 2025.12.22 Babazada, Khazar (13413554) (2507) | 0 | 87.70% | 1. e4 c6 2. d4 d5 3. e5 c5 | |
| 2025.10.18 | Runde 9: Chua, Ethan - Amini, Yusuf | 9.16 | 2025.10.18 Amini, Yusuf (34635688) (1952) | 1 | 90.60% | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 | |
| 2025.10.17 | Runde 8: Barskij, Aleksandr - Chua, Ethan | 8.25 | 2025.10.17 Barskij, Aleksandr (4697251) (1895) | 1 | 97.90% | 1. e4 c5 2. Nf3 Nc6 3. Bb5 Nf6 | |
| 2025.10.16 | Runde 7: Chua, Ethan - Vollbehr, Bjarne | 7.11 | 2025.10.16 Vollbehr, Bjarne (34606025) (2192) | 0 | 82.40% | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 | |
| 2025.10.15 | Runde 6: Teschler, Ansgar - Chua, Ethan | 6.26 | 2025.10.15 Teschler, Ansgar (16231139) (1867) | 1 | - | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 | |
| 2025.10.14 | Runde 5: Chua, Ethan - Aryan Goyal | 5.26 | 2025.10.14 Aryan Goyal (366108825) (1895) | 1 | 95.50% | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 | |
| 2025.10.13 | Runde 4: Mazur, Stefan - Chua, Ethan | 4.8 | 2025.10.13 Mazur, Stefan (14909332) (2408) | 0 | 89.00% | 1. Nf3 c6 2. e4 d5 3. d3 g6 | |
| 2025.10.12 | Runde 3: Chua, Ethan - Schmitzer, Klaus | 3.2 | 2025.10.12 Schmitzer, Klaus (4601971) (2235) | 0 | 86.90% | 1. e4 c6 2. d4 d5 3. Nc3 dxe4 | |
| 2025.10.12 | Runde 2: Lymar, Vladislav - Chua, Ethan | 2.6 | 2025.10.12 Lymar, Vladislav (14162180) (2261) | 1 | 97.90% | 1. e4 c6 2. d4 d5 3. exd5 cxd5 | |
| 2025.10.11 | Runde 1: Chua, Ethan - van der Riet, Ernst | 1.32 | 2025.10.11 van der Riet, Ernst (4610580) (1935) | 1 | 94.50% | 1. Nf3 Nf6 2. d4 g6 3. c4 c5 | |
| 2025.09.28 | Round 7: Miedema, David - Chua, Ethan | 7.2 | 2025.09.28 Miedema, David (1018477) (2322) | 0 | 85.80% | 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 | |
| 2025.09.28 | Round 6: Chua, Ethan - Helmond, Frans | 6.3 | 2025.09.28 Helmond, Frans (1003755) | 1 | 93.70% | 1. e4 c5 2. Ne2 a6 3. Nbc3 b5 | |
| 2025.09.28 | Round 5: Sertel, Erdogan - Chua, Ethan | 5.3 | 2025.09.28 Sertel, Erdogan (44568983) | ½ | 90.20% | 1. Nf3 Nf6 2. d4 e6 3. g3 d5 | |
| 2025.09.28 | Round 4: Chua, Ethan - Harkanyi, Adam | 4.4 | 2025.09.28 Harkanyi, Adam (17001870) (1827) | 1 | 86.30% | 1. d4 Nf6 2. Nf3 d5 3. e3 c6 | |
| 2025.09.28 | Round 3: Dam, Hans - Chua, Ethan | 3.2 | 2025.09.28 Dam, Hans (1024795) | ½ | 85.00% | 1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 | |
| 2025.09.28 | Round 2: Chua, Ethan - Kruger, Willy | 2.2 | 2025.09.28 Kruger, Willy (40123685) | 1 | 87.80% | 1. e4 d6 2. d4 Nf6 3. Nc3 g6 | |
| 2025.09.28 | Round 1: Verhoeven, Lars - Chua, Ethan | 1.2 | 2025.09.28 Verhoeven, Lars (1098519) (1748) | 1 | 95.60% | 1. c4 Nf6 2. Nc3 g6 3. d4 d6 | |
| 2025.05.18 | Round 6: Ganeshram, Nirupa - Chua, Ethan | 6.17 | 2025.05.18 Ganeshram, Nirupa (1083031) (1907) | 1 | 96.40% | 1. e4 c5 2. Nf3 Nc6 3. c3 d5 | |
| 2025.05.18 | Round 5: Chua, Ethan - Van Doren, Bas | 5.11 | 2025.05.18 Van Doren, Bas (1048503) (2148) | 0 | 83.70% | 1. e4 c5 2. Nf3 e6 3. Nc3 Nc6 | |
| 2025.05.17 | Round 4: Terlouw, Wouter - Chua, Ethan | 4.4 | 2025.05.17 Terlouw, Wouter (1087401) (2227) | 0 | 89.20% | 1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 | |
| 2025.05.17 | Round 3: Chua, Ethan - Ritzerveld, Noah | 3.4 | 2025.05.17 Ritzerveld, Noah (1085760) (2272) | ½ | 88.60% | 1. d4 d5 2. Nf3 Nf6 3. c4 c6 | |
| 2025.05.17 | Round 2: Madularea, David - Chua, Ethan | 2.7 | 2025.05.17 Madularea, David (1070215) (2225) | 1 | 98.30% | 1. e4 c5 2. Nc3 Nc6 3. Nge2 Nd4 | |
| 2025.05.16 | Round 1: Chua, Ethan - Bax, Martijn | 1.24 | 2025.05.16 Bax, Martijn (1062832) (1893) | 1 | 97.60% | 1. d4 Nf6 2. Nf3 d5 3. e3 Bf5 | |
| 2025.05.02 | Round 7: Krylov, Philippe - Chua, Ethan | 7.3 | 2025.05.02 Krylov, Philippe (1082930) (2183) | 1 | 77.30% | 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 | |
| 2025.05.01 | Round 6: Chua, Ethan - Wink, Luka | 6.5 | 2025.05.01 Wink, Luka (1085930) (2245) | 1 | 89.00% | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 | |
| 2025.04.30 | Round 5: Chua, Ethan - Grooten, Tommy | 5.5 | 2025.04.30 Grooten, Tommy (1068806) (2212) | ½ | 92.60% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2025.04.29 | Round 4: Lopes, Samuel - Chua, Ethan | 4.7 | 2025.04.29 Lopes, Samuel (1084275) (2045) | 1 | 90.10% | 1. e4 c5 2. Nf3 Nc6 3. Bb5 e5 | |
| 2025.04.28 | Round 3: Chua, Ethan - Kolijn, David | 3.9 | 2025.04.28 Kolijn, David (1099213) (1902) | 1 | 97.50% | 1. e4 c5 2. Nc3 a6 3. Nf3 b5 | |
| 2025.04.27 | Round 2: Winter, Sven - Chua, Ethan | 2.7 | 2025.04.27 Winter, Sven (1092375) (1927) | 0 | 84.10% | 1. e4 c5 2. c3 d5 3. exd5 Qxd5 | |
| 2025.04.26 | Round 1: Chua, Ethan - Kurt, Sascha | 1.1 | 2025.04.26 Kurt, Sascha (1082647) (2272) | 0 | 85.40% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2025.04.21 | Round 9: Chua, Ethan - Komans, Dieter | 9.9 | 2025.04.21 Komans, Dieter (4653556) (1882) | 0 | 83.70% | 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 | |
| 2025.04.21 | Round 8: Gieseler, Felix - Chua, Ethan | 8.8 | 2025.04.21 Gieseler, Felix (34614087) (1976) | ½ | 92.00% | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 | |
| 2025.04.20 | Round 7: Chua, Ethan - Ngo, Quang Thai | 7.3 | 2025.04.20 Ngo, Quang Thai (12403768) (2321) | * | - | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 | |
| 2025.04.20 | Round 6: Chua, Ethan - Krueger, Andre | 6.8 | 2025.04.20 Krueger, Andre (4665040) (2012) | 1 | - | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 | |
| 2025.04.19 | Round 5: Joel Schlaebitz - Chua, Ethan | 5.7 | 2025.04.19 Joel Schlaebitz | ½ | 91.90% | 1. e4 c5 2. Nc3 Nc6 3. a3 e5 | |
| 2025.04.19 | Round 4: Chua, Ethan - Heider, Niklas | 4.9 | 2025.04.19 Heider, Niklas (34658688) (1869) | 1 | 96.10% | 1. e4 c5 2. Nc3 Nc6 3. Nge2 Nf6 | |
| 2024.11.01 | Round 4: Chua, Ethan - Haug, Havard | 4.4 | 2024.11.01 Haug, Havard (1547887) (2352) | ½ | 97.00% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2024.07.24 | Round 9: Thienpondt, Mardoek - Chua, Ethan | 9.8 | 2024.07.24 Thienpondt, Mardoek (210480) (1989) | 1 | 92.60% | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 | |
| 2024.07.23 | Round 8: Chua, Ethan - Pranav Kshirsagar | 8.12 | 2024.07.23 Pranav Kshirsagar | 1 | 88.40% | 1. e4 c6 2. d4 d5 3. e5 c5 | |
| 2024.06.15 | Round 9: Chua, Ethan - Van t Hoff, Tom | 2024.06.15 Van t Hoff, Tom (1060538) | 0 | 88.00% | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 | ||
| 2024.06.15 | Round 8: Van Egmond, Tom - Chua, Ethan | 2024.06.15 Van Egmond, Tom (1064061) | 1 | 96.60% | 1. d4 Nf6 2. Bg5 d5 3. Bxf6 exf6 | ||
| 2024.06.15 | Round 7: Chua, Ethan - Feijen, Niels | 2024.06.15 Feijen, Niels (1088653) | 1 | 94.60% | 1. e4 e6 2. d4 d5 3. Nd2 dxe4 | ||
| 2024.06.15 | Round 6: Markuszewski, Maksymilian - Chua, Ethan | 2024.06.15 Markuszewski, Maksymilian (651018306) (1944) | 0 | 78.30% | 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 | ||
| 2024.06.15 | Round 5: Chua, Ethan - Den Heijer, Rolinde | 2024.06.15 Den Heijer, Rolinde (1068300) (1909) | ½ | 80.30% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | ||
| 2024.06.15 | Round 4: Karssenberg, Arnout - Chua, Ethan | 2024.06.15 Karssenberg, Arnout (1016431) (1894) | 1 | 96.20% | 1. c4 Nf6 2. Nf3 g6 3. Nc3 Bg7 | ||
| 2024.06.15 | Round 3: Chua, Ethan - Darie, Aden | 2024.06.15 Darie, Aden (1094831) (1883) | ½ | 93.50% | 1. e4 c6 2. d4 d5 3. Nc3 dxe4 | ||
| 2024.06.15 | Round 2: Kempers, Jord - Chua, Ethan | 2024.06.15 Kempers, Jord (40109933) | 1 | 92.90% | 1. e4 c6 2. d4 d5 3. f3 e6 | ||
| 2024.06.15 | Round 1: Chua, Ethan - Ganeshram, Nirupa | 2024.06.15 Ganeshram, Nirupa (1083031) (1665) | ½ | 83.30% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | ||
| 2024.06.02 | WLC Tournament 2024 A | 6.16 | 2024.06.02 Geboers, Jimmy (262919) (1926) | 1 | 95.70% | 1. e4 e6 2. d4 d5 3. Nd2 Nf6 | |
| 2024.06.02 | WLC Tournament 2024 A | 5.15 | 2024.06.02 Matthijssen, Mitchell (1073958) (1893) | ½ | 98.30% | 1. e4 c6 2. d4 d5 3. Nc3 dxe4 | |
| 2024.06.01 | WLC Tournament 2024 A | 4.11 | 2024.06.01 Feng, Elysia (1074334) (1877) | ½ | 88.90% | 1. e4 e5 2. Nc3 Nf6 3. f4 d5 | |
| 2024.06.01 | WLC Tournament 2024 A | 3.6 | 2024.06.01 Bakija, Alan (1068016) (2095) | 0 | 91.00% | 1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 | |
| 2024.06.01 | WLC Tournament 2024 A | 2.7 | 2024.06.01 Grooten, Herman (1000330) (2213) | ½ | 83.40% | 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 | |
| 2024.05.03 | Round 9: Terlouw, Wouter - Chua, Ethan | 2024.05.03 Terlouw, Wouter (1087401) (1959) | 1 | 90.50% | 1. d4 Nf6 2. Bf4 c5 3. e3 Qb6 | ||
| 2024.05.02 | Round 8: Chua, Ethan - Roorda, Cas | 2024.05.02 Roorda, Cas (1086596) (1865) | 1 | 92.20% | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 | ||
| 2024.05.01 | Round 7: Chua, Ethan - Aravindhan, Achyuth | 2024.05.01 Aravindhan, Achyuth (1084216) (2131) | 1 | 93.80% | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 | ||
| 2024.05.01 | Round 6: Ritzerveld, Noah - Chua, Ethan | 2024.05.01 Ritzerveld, Noah (1085760) (2131) | 0 | 86.30% | 1. e4 c6 2. d4 d5 3. Nc3 dxe4 | ||
| 2024.04.30 | Round 5: Chua, Ethan - Groenewoud, Joel | 2024.04.30 Groenewoud, Joel (1087746) (2030) | 1 | 87.70% | 1. e4 c6 2. d4 d5 3. e5 c5 | ||
| 2024.04.29 | Round 4: Grooten, Tommy - Chua, Ethan | 2024.04.29 Grooten, Tommy (1068806) (2018) | 1 | 93.60% | 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 | ||
| 2024.04.29 | Round 3: Chua, Ethan - Kurt, Sascha | 2024.04.29 Kurt, Sascha (1082647) (2096) | ½ | 96.50% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | ||
| 2024.04.28 | Round 2: Chua, Ethan - Ngangbam, Chingthang | 2024.04.28 Ngangbam, Chingthang (1086510) (1713) | 1 | 87.10% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | ||
| 2024.04.27 | Round 1: Winter, Sven - Chua, Ethan | 2024.04.27 Winter, Sven (1092375) (1768) | 1 | 92.60% | 1. e4 c6 2. d4 d5 3. e5 c5 | ||
| 2024.04.01 | Round 9: Huesmann, Thomas - Chua, Ethan | 2024.04.01 Huesmann, Thomas (200441) (2173) | ½ | 96.30% | 1. e4 c6 2. Nf3 d5 3. Nc3 dxe4 | ||
| 2024.04.01 | Round 8: Chua, Ethan - Schaefers, Andreas | 2024.04.01 Schaefers, Andreas (24643769) (2000) | 1 | 92.10% | 1. e4 c5 2. Nf3 e6 3. Nc3 a6 | ||
| 2024.03.31 | Round 7: Stemmler, Fabian - Chua, Ethan | 2024.03.31 Stemmler, Fabian (12964808) (2173) | 0 | 93.90% | 1. e4 c6 2. Nc3 d5 3. Nf3 dxe4 | ||
| 2024.03.31 | Round 6: Chua, Ethan - Van Ee, Robin | 2024.03.31 Van Ee, Robin (1041428) (2045) | 1 | 92.20% | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 | ||
| 2024.03.30 | Round 5: Schuricht, Emil Frederick - Chua, Ethan | 2024.03.30 Schuricht, Emil Frederick (16270185) (2002) | ½ | 97.60% | 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 | ||
| 2024.03.30 | Round 4: Chua, Ethan - Fedorenko, Tatyana | 2024.03.30 Fedorenko, Tatyana (14199211) | 1 | 96.70% | 1. e4 e5 2. Nc3 Nc6 3. Bc4 Nf6 | ||
| 2024.03.29 | Round 3: Chua, Ethan - Bashirov, Kemal | 2024.03.29 Bashirov, Kemal (14183650) (2382) | ½ | 84.10% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | ||
| 2024.03.29 | Round 2: Korneev, Oleg - Chua, Ethan | 2024.03.29 Korneev, Oleg (4156803) (2482) | ½ | 97.90% | 1. e4 c6 2. Nc3 d5 3. Nf3 dxe4 | ||
| 2024.03.28 | Round 1: Konopka, Jan-Frederik - Chua, Ethan | 2024.03.28 Konopka, Jan-Frederik (34644660) (1779) | 1 | 96.00% | 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 | ||
| 2023.05.04 | NJSK 2023 Jeugd C | 7.7 | 2023.05.04 Terlouw, Wouter (1087401) (1923) | 0 | 82.30% | 1. e4 c5 2. Nf3 g6 3. d4 cxd4 | |
| 2023.05.04 | NJSK 2023 Jeugd C | 6.8 | 2023.05.04 Kazarjan, Gachatur (1068750) (1872) | ½ | 89.90% | 1. e4 c6 2. d4 d5 3. exd5 cxd5 | |
| 2023.05.03 | NJSK 2023 Jeugd C | 5.11 | 2023.05.03 Verwer, Oscar (1093568) (1549) | 1 | 93.40% | 1. e4 c6 2. Nc3 d5 3. Nf3 dxe4 | |
| 2023.05.02 | NJSK 2023 Jeugd C | 4.9 | 2023.05.02 Katpatal, Akshaj (1072595) (1840) | 0 | 85.80% | 1. e4 e5 2. Nc3 Nc6 3. Bc4 Nf6 | |
| 2023.05.02 | NJSK 2023 Jeugd C | 3.7 | 2023.05.02 Lopes, Samuel (1084275) (1865) | ½ | 96.80% | 1. e4 c6 2. d4 d5 3. exd5 cxd5 | |
| 2023.05.01 | NJSK 2023 Jeugd C | 2.12 | 2023.05.01 Klein Tuente, Sam (1092090) (1478) | 1 | 78.80% | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 | |
| 2023.04.30 | NJSK 2023 Jeugd C | 1.4 | 2023.04.30 Groenewoud, Joel (1087746) (1990) | 0 | 82.80% | 1. e4 e6 2. d4 d5 3. Nc3 dxe4 | |
| 2023.12.30 | Round 7: Michael Lambertz - Ethan Chua | 2023.12.30 Michael Lambertz | 1 | 94.40% | 1. e4 c6 2. d4 d5 3. exd5 cxd5 | ||
| 2023.12.30 | Round 6: Ethan Chua - Vitali Raskin | 2023.12.30 Vitali Raskin | 1 | 91.70% | 1. e4 e5 2. Nc3 Nc6 3. Bc4 Nf6 | ||
| 2023.12.29 | Round 5: Ethan Chua - Richard Zahn | 2023.12.29 Richard Zahn | ½ | 95.60% | 1. e4 e6 2. d4 d5 3. Nd2 c5 | ||
| 2023.12.29 | Round 4: Giovanni Van Basten - Ethan Chua | 2023.12.29 Giovanni Van Basten | 1 | 91.10% | 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 | ||
| 2023.05.06 | Round 9: Aäron Zootjes - Ethan Chua | 2023.05.06 Aäron Zootjes | 1 | 53.40% | 1. e4 c6 2. d4 d5 3. exd5 cxd5 | ||
| 2023.05.05 | Round 8: Ethan Chua - Jonathan Vijver | 2023.05.05 Jonathan Vijver | 0 | 77.10% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 |