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Player profile

Ou, Siyuan

Standard: 1638 Rapid: 1434 Blitz: 1607 (last updated 2026-11-02)
FIDE ID: 343405657 (view FIDE profile)
Federation: ENG Sex: F Birth Year: 2010 Age: 16
Title: — Women's title: — Other title: — FOA title: —
Games: 33 Wins: 4 (12%) Draws: 6 (18%) Losses: 22 (67%) Other: 1
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Dossier

32 of 33 games analyzed.

Accuracy: 82.5%
Opened e4: 16/16
Castled kingside: 22Same-side castling: 20Did not castle: 5Opposite-side castling: 4Castled queenside: 2
Played in the center: 8Played on the kingside: 7Played on the queenside: 6Fianchettoed kingside: 5Fianchettoed queenside: 2
Space advantage: 18Initiated exchanges: 16Backward pawn: 15Sacrificed material: 15Isolated pawn: 13Kept the bishop pair: 13Active pieces: 13Missed tactics: 12Avoided exchanges: 9Played gambits: 4
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Openings

Click "+" to add that group to the games list below. Multiple groups can be added at once.

As White 16 games 3W 2D 11L
Italian Game 9 games 2W 0D 7L
Bird's Attack 4 games 0W 0D 4L
(unspecified) 4 games 0W 0D 4L
Two Knights Defense 3 games 0W 0D 3L
Ulvestad Variation 2 games 0W 0D 2L
Polerio Defense, Bogoljubow Variation 1 game 0W 0D 1L
Giuoco Piano 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Paris Defense 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Sicilian Defense 2 games 0W 2D 0L
Dragon Variation 1 game 0W 1D 0L
Yugoslav Attack, Modern Line 1 game 0W 1D 0L
Accelerated Dragon 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Alekhine Defense 1 game 0W 0D 1L
Four Pawns Attack 1 game 0W 0D 1L
Main Line 1 game 0W 0D 1L
St. George Defense 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Modern Defense 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Caro-Kann Defense 1 game 1W 0D 0L
Exchange Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
French Defense 1 game 0W 0D 1L
Advance Variation 1 game 0W 0D 1L
Paulsen Attack 1 game 0W 0D 1L
As Black 14 games 1W 2D 10L
Sicilian Defense 3 games 0W 0D 3L
Accelerated Dragon 2 games 0W 0D 2L
Maróczy Bind 2 games 0W 0D 2L
Old Sicilian 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
French Defense 3 games 0W 1D 2L
Advance Variation 2 games 0W 0D 2L
Main Line 1 game 0W 0D 1L
Milner-Barry Gambit, Hector Variation 1 game 0W 0D 1L
Exchange Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Queen's Gambit Declined 1 game 0W 0D 1L
Harrwitz Attack 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Catalan Opening 1 game 0W 0D 1L
Closed 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
English Opening 1 game 0W 0D 1L
Neo-Catalan 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Indian Defense 1 game 0W 0D 0L
Normal Variation 1 game 0W 0D 0L
(unspecified) 1 game 0W 0D 0L
Queen's Pawn Game 1 game 0W 0D 1L
London System 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Nimzo-Larsen Attack 1 game 1W 0D 0L
English Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Zukertort Opening 1 game 0W 1D 0L
Sicilian Invitation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Van Geet Opening 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Blunders Top 4 of 198

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

2026.10.15 · 26. Qb3 (−52.1% win chance) 0-1
Vadalia, Jainill
Ou, Siyuan
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2026.10.03 · 28... Bc6 (−43.4% win chance) 1-0
Ou, Siyuan
Ou, Siyao
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2026.10.03 · 23... f6 (−42.9% win chance) 1-0
Ou, Siyuan
Ou, Siyao
View game
2026.10.03 · 20... g6 (−39.8% win chance) 1-0
Ou, Siyuan
Ou, Siyao
View game
View blunders & mistakes
Games Showing all 33 games
Date Event Round Color Opponent Result Accuracy % First moves