Player profile
Tso, Chi Wai
Dossier
36 of 39 games analyzed.
Accuracy: 85.3%
Opened d4: 15/17Opened c4: 1/17Opened Nf3: 1/17
Castled kingside: 25Same-side castling: 24Did not castle: 9Opposite-side castling: 3Castled queenside: 2
Played in the center: 17Played on the kingside: 9Played on the queenside: 8Fianchettoed queenside: 7Fianchettoed kingside: 7
Active pieces: 22Initiated exchanges: 21Sacrificed material: 18Kept the bishop pair: 18Backward pawn: 17Missed tactics: 14Space advantage: 14Isolated pawn: 14Avoided exchanges: 11Played gambits: 4
Openings
Click "+" to add that group to the games list below. Multiple groups can be added at once.
As White 19 games 4W 5D 10L
Queen's Gambit Declined 5 games 2W 0D 3L
Three Knights Variation 2 games 1W 0D 1L
(unspecified)
2 games
1W
0D
1L
(unspecified) 2 games 1W 0D 1L
(unspecified)
2 games
1W
0D
1L
Ragozin Defense 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Bogo-Indian Defense 3 games 1W 1D 1L
Nimzowitsch Variation 2 games 1W 0D 1L
(unspecified)
2 games
1W
0D
1L
Retreat Variation 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Nimzo-Indian Defense 2 games 0W 0D 2L
Normal Variation 1 game 0W 0D 1L
Gligoric System
1 game
0W
0D
1L
Three Knights Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Semi-Slav Defense 2 games 0W 0D 2L
Normal Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Main Line 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Slav Defense 2 games 0W 1D 1L
Czech Variation 1 game 0W 0D 1L
Classical System
1 game
0W
0D
1L
Alekhine Variation 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Englund Gambit 1 game 0W 0D 1L
Soller Gambit 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Indian Defense 1 game 0W 1D 0L
Budapest Gambit Accepted 1 game 0W 1D 0L
Main Line, Adler Variation
1 game
0W
1D
0L
Zukertort Opening 1 game 0W 1D 0L
Old Indian Attack 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Benko Gambit Accepted 1 game 0W 1D 0L
Modern Variation 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Robatsch Defense 1 game 1W 0D 0L
Rossolimo Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
As Black 20 games 6W 3D 11L
Sicilian Defense 5 games 2W 2D 1L
Alapin Variation 2 games 1W 1D 0L
(unspecified)
2 games
1W
1D
0L
Najdorf Variation 2 games 1W 0D 1L
Yates Variation
1 game
1W
0D
0L
English Attack
1 game
0W
0D
1L
Mengarini Variation 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Italian Game 2 games 0W 0D 2L
Classical Variation 1 game 0W 0D 1L
Giuoco Pianissimo
1 game
0W
0D
1L
Giuoco Piano 1 game 0W 0D 1L
Greco's Attack
1 game
0W
0D
1L
French Defense 2 games 2W 0D 0L
Advance Variation 2 games 2W 0D 0L
Paulsen Attack
2 games
2W
0D
0L
Ruy Lopez 2 games 2W 0D 0L
Closed 2 games 2W 0D 0L
Worrall Attack
1 game
1W
0D
0L
Chigorin Defense, Panov System
1 game
1W
0D
0L
Queen's Gambit Declined 2 games 0W 0D 2L
(unspecified) 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Three Knights Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Semi-Slav Defense 2 games 0W 0D 2L
(unspecified) 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Bogoljubow Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Queen's Pawn Game 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
King's Indian Attack 1 game 0W 0D 1L
Sicilian Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Pirc Defense 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
English Opening 1 game 0W 0D 1L
Symmetrical Variation 1 game 0W 0D 1L
Four Knights Variation
1 game
0W
0D
1L
Indian Defense 1 game 0W 1D 0L
Colle System 1 game 0W 1D 0L
King's Indian Variation
1 game
0W
1D
0L
Blunders Top 4 of 263
This player's costliest moves in analyzed games. Can you find the winning move?
Games Showing all 39 games
| Date | Event | Round | Color | Opponent | Result | Accuracy % | First moves |
|---|---|---|---|---|---|---|---|
| 2026.10.24 | English Rapid Chess Championship 2026 | 1.18 | 2026.10.24 Boswell, Jacob Connor (427110) (2093) | 0 | - | ||
| 2025.10.31 | ECF Coventry International 2025 | 9.35 | 2025.10.31 Matthews, Adrian M S (413631) (1804) | ½ | 84.00% | 1. e4 c5 2. c3 Nc6 3. Nf3 d6 | |
| 2025.10.30 | ECF Coventry International 2025 | 8.34 | 2025.10.30 Swiatkowski, Aram (343415210) (1860) | 0 | 85.60% | 1. d4 Nf6 2. c4 e6 3. Nf3 d5 | |
| 2025.10.30 | ECF Coventry International 2025 | 7.34 | 2025.10.30 Miller, George (343114090) (1873) | 0 | 88.50% | 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ | |
| 2025.10.29 | ECF Coventry International 2025 | 6.32 | 2025.10.29 Parikh, Naavya (483982) (1846) | 0 | 89.20% | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 | |
| 2025.10.28 | Round 9: Tso, Chi Wai - Watson, Andrew | 9.15 | 2025.10.28 Watson, Andrew (1805487) | 0 | 61.30% | 1. d4 e5 2. dxe5 f6 3. exf6 Nxf6 | |
| 2025.10.28 | Round 8: Swiatkowski, Dominik - Tso, Chi Wai | 8.13 | 2025.10.28 Swiatkowski, Dominik (343415202) (1892) | 0 | 78.90% | 1. Nf3 d5 2. g3 c5 3. Bg2 Nf6 | |
| 2025.10.28 | Round 7: Tso, Chi Wai - Swiatkowski, Aram | 7.11 | 2025.10.28 Swiatkowski, Aram (343415210) (1860) | 0 | 79.80% | 1. d4 Nf6 2. c4 e6 3. Nf3 d5 | |
| 2025.10.28 | Round 6: Holowczak, Alex R - Tso, Chi Wai | 6.14 | 2025.10.28 Holowczak, Alex R (418668) (1783) | 1 | 77.80% | 1. e4 e6 2. d4 d5 3. e5 c5 | |
| 2025.10.28 | Round 5: Tso, Chi Wai - Sasikumar, Srivathsan | 5.10 | 2025.10.28 Sasikumar, Srivathsan (343401279) (2021) | 0 | 79.60% | 1. d4 Nf6 2. c4 e6 3. Nf3 d5 | |
| 2025.10.28 | Round 4: Ratcliffe, James - Tso, Chi Wai | 4.11 | 2025.10.28 Ratcliffe, James (343432840) (1773) | 1 | 72.30% | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 | |
| 2025.10.28 | Round 3: Tso, Chi Wai - Dupuis, Denis K | 3.8 | 2025.10.28 Dupuis, Denis K (452980) (2013) | 0 | 87.20% | 1. d4 d5 2. c4 c6 3. Nf3 Nf6 | |
| 2025.10.28 | Round 2: Sagyaman, Vassily M - Tso, Chi Wai | 2.16 | 2025.10.28 Sagyaman, Vassily M (483680) (1576) | 1 | 86.20% | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 | |
| 2025.10.28 | 2025 Coventry International - Blitz | 1.8 | 2025.10.28 Verbytski, Oleg (495506) (2092) | 0 | 83.70% | 1. d4 d5 2. c4 e6 3. Nf3 Nf6 | |
| 2025.10.28 | ECF Coventry International 2025 | 5.30 | 2025.10.28 McMahon, Paul (408212) (1894) | ½ | 80.20% | 1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 | |
| 2025.10.27 | ECF Coventry International 2025 | 4.27 | 2025.10.27 Doran, Chris (503835) (1972) | 0 | 91.60% | 1. e4 d6 2. d4 Nf6 3. Nc3 g6 | |
| 2025.10.27 | ECF Coventry International 2025 | 3.24 | 2025.10.27 Lebedev, Lion (551005492) (2091) | 0 | 85.80% | 1. d4 d5 2. c4 c6 3. Nf3 Nf6 | |
| 2025.10.26 | ECF Coventry International 2025 | 2.14 | 2025.10.26 Lewis, Andrew P (400955) (2268) | 0 | 89.60% | 1. c4 c5 2. Nf3 Nf6 3. Nc3 Nc6 | |
| 2025.10.26 | ECF Coventry International 2025 | 1.30 | 2025.10.26 Pal, Rohan (462489) (2101) | 1 | 85.40% | 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ | |
| 2025.05.31 | Round 9: Matthews, Adrian M S - Tso, Chi Wai | 9.42 | 2025.05.31 Matthews, Adrian M S (413631) (1800) | 1 | 94.00% | 1. e4 e6 2. d4 d5 3. e5 c5 | |
| 2025.05.30 | Round 8: Tso, Chi Wai - Chantrell, Paul | 8.44 | 2025.05.30 Chantrell, Paul (451967) (1749) | ½ | 92.50% | 1. d4 d5 2. c4 c6 3. Nf3 Nf6 | |
| 2025.05.30 | Round 7: Pozzari, Simone - Tso, Chi Wai | 7.35 | 2025.05.30 Pozzari, Simone (2831282) (2171) | 0 | 90.50% | 1. d4 d5 2. c4 e6 3. Nf3 Nf6 | |
| 2025.05.29 | Round 6: Tso, Chi Wai - McLean, Rory | 6.44 | 2025.05.29 McLean, Rory (447153) (1762) | 1 | 90.20% | 1. c4 e6 2. d4 d5 3. Nf3 a6 | |
| 2025.05.28 | Round 5: Mork, Peter - Tso, Chi Wai | 5.46 | 2025.05.28 Mork, Peter (1580604) (1757) | ½ | 92.20% | 1. e4 c5 2. a3 Nc6 3. b4 e5 | |
| 2025.05.28 | Round 4: Tso, Chi Wai - Siddhartha Shankar Srivastava | 4.50 | 2025.05.28 Siddhartha Shankar Srivastava (25780590) (1647) | ½ | 91.40% | 1. Nf3 d5 2. d3 c5 3. g3 Nc6 | |
| 2025.05.27 | Round 3: Bay-Petersen, Ole - Tso, Chi Wai | 3.50 | 2025.05.27 Bay-Petersen, Ole (430188) (1780) | ½ | 87.20% | 1. d4 Nf6 2. Nf3 d6 3. e3 g6 | |
| 2025.05.26 | Round 2: Berkley, Stephen W - Tso, Chi Wai | 2.45 | 2025.05.26 Berkley, Stephen W (486850) (1740) | 0 | 85.80% | 1. d4 d5 2. c4 e6 3. Nc3 Nf6 | |
| 2025.05.26 | Round 1: Tso, Chi Wai - Xu, Jiarui | 1.47 | 2025.05.26 Xu, Jiarui (471712) (1725) | 0 | 89.70% | 1. d4 d5 2. c4 e6 3. Nf3 Nf6 | |
| 2025.02.23 | Round 5: Ding, Yicheng - Tso, Chi Wai | 5.3 | 2025.02.23 Ding, Yicheng (483087) (1642) | 0 | 87.60% | 1. d4 d5 2. c4 c6 3. Nc3 Nf6 | |
| 2025.02.23 | Round 4: Tso, Chi Wai - Jackson, Oliver A | 4.2 | 2025.02.23 Jackson, Oliver A (403156) (2027) | ½ | 76.00% | 1. d4 Nf6 2. c4 c5 3. d5 b5 | |
| 2025.02.22 | Round 3: Whitmore, Darren H - Tso, Chi Wai | 3.6 | 2025.02.22 Whitmore, Darren H (343407170) (1793) | 1 | 95.50% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2025.02.22 | Round 2: Tso, Chi Wai - Costello, Colin A | 2.4 | 2025.02.22 Costello, Colin A (403580) (1887) | ½ | 89.60% | 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ | |
| 2025.02.21 | Round 1: Uso I Cubertorer, Lluis - Tso, Chi Wai | 1.14 | 2025.02.21 Uso I Cubertorer, Lluis (1329391) (1867) | 1 | 89.70% | 1. e4 c5 2. c3 Nc6 3. d4 d5 | |
| 2025.02.21 | Round 6: Tso, Chi Wai - Ben Mason | 6.34 | 2025.02.21 Ben Mason | 1 | - | 1. d4 g6 2. e4 Bg7 3. c4 d6 | |
| 2025.02.20 | Round 5: Chen, Yechu - Tso, Chi Wai | 5.30 | 2025.02.20 Chen, Yechu (343440053) (1583) | 0 | 82.80% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2025.02.20 | Round 4: Tso, Chi Wai - Sloan, Cecil | 4.31 | 2025.02.20 Sloan, Cecil (2036738) (1620) | 0 | 81.60% | 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ | |
| 2025.02.19 | Round 3: Saxena, Reyansh - Tso, Chi Wai | 3.21 | 2025.02.19 Saxena, Reyansh (343423884) (1717) | 0 | 89.00% | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 | |
| 2025.02.18 | Round 2: Tso, Chi Wai - Horne, Theo | 2.33 | 2025.02.18 Horne, Theo (343446086) | 1 | - | 1. d4 d5 2. c4 e6 3. Nf3 Nf6 | |
| 2025.02.18 | Round 1: Cooper, Malcolm H - Tso, Chi Wai | 1.28 | 2025.02.18 Cooper, Malcolm H (469580) (1775) | 0 | 77.20% | 1. d4 d5 2. c4 c6 3. Nc3 Nf6 |