Player profile
Ou, Siyao
Dossier
23 of 24 games analyzed.
Accuracy: 84.8%
Opened e4: 9/9
Castled kingside: 15Same-side castling: 15Castled queenside: 4Did not castle: 3Opposite-side castling: 2
Played on the kingside: 8Played in the center: 6Played on the queenside: 5Fianchettoed kingside: 2Fianchettoed queenside: 2
Isolated pawn: 12Kept the bishop pair: 12Space advantage: 12Active pieces: 11Missed tactics: 10Sacrificed material: 9Initiated exchanges: 9Backward pawn: 9Avoided exchanges: 9Played gambits: 3
Openings
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As White 9 games 1W 2D 6L
French Defense 4 games 1W 0D 3L
Advance Variation 4 games 1W 0D 3L
Main Line
2 games
1W
0D
1L
Euwe Variation
2 games
0W
0D
2L
Italian Game 2 games 0W 0D 2L
Bird's Attack 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
Sicilian Defense 1 game 0W 1D 0L
Scheveningen Variation 1 game 0W 1D 0L
English Attack, with f3
1 game
0W
1D
0L
Caro-Kann Defense 1 game 0W 1D 0L
Exchange Variation 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Alekhine Defense 1 game 0W 0D 1L
Scandinavian Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
As Black 14 games 1W 3D 9L
French Defense 7 games 0W 2D 5L
Exchange Variation 4 games 0W 2D 2L
(unspecified)
4 games
0W
2D
2L
Advance Variation 2 games 0W 0D 2L
Main Line
1 game
0W
0D
1L
Milner-Barry Gambit
1 game
0W
0D
1L
Rubinstein Variation 1 game 0W 0D 1L
Blackburne Defense
1 game
0W
0D
1L
Queen's Pawn Game 2 games 0W 0D 2L
London System 2 games 0W 0D 2L
with e6
2 games
0W
0D
2L
Horwitz Defense 2 games 0W 1D 1L
(unspecified) 2 games 0W 1D 1L
(unspecified)
2 games
0W
1D
1L
Indian Defense 1 game 0W 0D 1L
Normal Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Nimzo-Indian Defense 1 game 0W 0D 0L
Sämisch Variation 1 game 0W 0D 0L
(unspecified)
1 game
0W
0D
0L
Queen's Gambit Declined 1 game 1W 0D 0L
Exchange Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Blunders Top 4 of 144
This player's costliest moves in analyzed games. Can you find the winning move?
Games Showing all 24 games
| Date | Event | Round | Color | Opponent | Result | Accuracy % | First moves |
|---|---|---|---|---|---|---|---|
| 2026.10.04 | Round 9: Lapidus, Alexey M. - Ou, Siyao | 9.5 | 2026.10.04 Lapidus, Alexey M. (24276111) (1887) | 0 | 89.80% | 1. e4 e6 2. d4 d5 3. e5 c5 | |
| 2026.10.04 | Round 8: Fraser Jenkins, Angharad - Ou, Siyao | 8.7 | 2026.10.04 Fraser Jenkins, Angharad (343475116) (1401) | ½ | 74.90% | 1. e4 e6 2. d4 d5 3. exd5 exd5 | |
| 2026.10.04 | Round 6: Ou, Siyao - Ajaykumar, Arav | 6.8 | 2026.10.04 Ajaykumar, Arav (343427758) (1824) | 0 | 83.50% | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 | |
| 2026.10.03 | Round 5: Balmond, Tom - Ou, Siyao | 5.6 | 2026.10.03 Balmond, Tom (343420532) (2029) | 0 | 89.80% | 1. e4 e6 2. d4 d5 3. Nc3 dxe4 | |
| 2026.10.03 | Round 4: Mouskos, Mia - Ou, Siyao | 4.7 | 2026.10.03 Mouskos, Mia (488380) (1607) | 0 | 80.50% | 1. e4 e6 2. d4 d5 3. exd5 exd5 | |
| 2026.10.03 | Round 3: Ou, Siyao - Ou, Siyuan | 3.8 | 2026.10.03 Ou, Siyuan (343405657) (1510) | 1 | 68.60% | 1. e4 e6 2. d4 d5 3. e5 c5 | |
| 2026.10.03 | Round 2: Xu, Jiarui - Ou, Siyao | 2.8 | 2026.10.03 Xu, Jiarui (471712) (1747) | 0 | 68.80% | 1. e4 e6 2. d4 d5 3. exd5 exd5 | |
| 2026.10.03 | Round 1: Ou, Siyao - Fossey, Isaac | 1.7 | 2026.10.03 Fossey, Isaac (343440703) (1893) | 0 | 83.70% | 1. e4 e6 2. d4 d5 3. e5 c5 | |
| 2026.03.08 | English Youth Championships. Top boards per section. | 6.2 | 2026.03.08 Ding, Yihua (495999) (1662) | 0 | 89.90% | 1. d4 Nf6 2. c4 e6 3. a3 d5 | |
| 2026.03.08 | English Youth Championships. Top boards per section. | 5.6 | 2026.03.08 Patel, Diah (496677) (1624) | * | - | 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 | |
| 2026.03.08 | English Youth Championships. Top boards per section. | 4.4 | 2026.03.08 Ding, Yihua (495999) (1662) | ½ | 82.00% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2026.03.07 | English Youth Championships. Top boards per section. | 3.5 | 2026.03.07 Kirton, Evie (343476368) (1549) | ½ | 91.20% | 1. e4 c6 2. d4 d5 3. exd5 cxd5 | |
| 2026.03.07 | English Youth Championships. Top boards per section. | 2.4 | 2026.03.07 Burgess, Rose (343410740) (1756) | ½ | 94.00% | 1. e4 e6 2. d4 d5 3. exd5 exd5 | |
| 2024.12.15 | Keith Escott Memorial Congress: U2000 | 5.17 | 2024.12.15 Roychowdhury, Aashita (343412106) (1525) | 0 | 86.80% | 1. d4 e6 2. Bf4 d5 3. Nf3 c5 | |
| 2024.12.15 | Keith Escott Memorial Congress: U2000 | 4.13 | 2024.12.15 Jerome, Stellio (496847) (1677) | 0 | 81.90% | 1. e4 e6 2. d4 d5 3. e5 c5 | |
| 2024.12.14 | Keith Escott Memorial Congress: U2000 | 3.16 | 2024.12.14 Lawrence, Roy (410195) (1739) | ½ | 89.60% | 1. d4 e6 2. Nf3 d5 3. g3 c5 | |
| 2024.12.14 | Keith Escott Memorial Congress: U2000 | 1.19 | 2024.12.14 Trimble, Thomas (343432077) (1731) | 0 | 85.80% | 1. e4 e6 2. d4 d5 3. e5 c5 | |
| 2024.03.02 | British Rapidplay - lower boards | 6 | 2024.03.02 Keshari, Rohit (497088) (1590) | 0 | 83.80% | 1. d4 e6 2. e3 d5 3. f4 c5 | |
| 2024.03.02 | British Rapidplay - lower boards | 5 | 2024.03.02 Bellano, Harry (343430015) (1632) | 0 | 87.30% | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 | |
| 2024.03.02 | British Rapidplay - lower boards | 4 | 2024.03.02 Darbost, Fabien (343407200) | 1 | 89.00% | 1. d4 e6 2. c4 d5 3. Nc3 Nf6 | |
| 2024.03.02 | British Rapidplay - lower boards | 3 | 2024.03.02 Pradhan, Ayan (498319) (1622) | 0 | 87.50% | 1. e4 e6 2. d4 d5 3. e5 c5 | |
| 2024.03.02 | British Rapidplay - lower boards | 2 | 2024.03.02 Herring, Tim (429775) (1755) | 0 | 81.40% | 1. d4 e6 2. Bf4 d5 3. Nf3 c5 | |
| 2024.03.02 | British Rapidplay - lower boards | 1 | 2024.03.02 Fava, Lorenzo (2837434) (1913) | 0 | 94.80% | 1. e4 Nf6 2. Nc3 d5 3. Qf3 d4 | |
| ????.??.?? | Keith Escott Memorial Congress: U2000 | 2.20 | ????.??.?? Fraser, Chris (440922) (1669) | ½ | 85.10% | 1. e4 c5 2. Nf3 g6 3. d4 cxd4 |