Chess Games DB
Find player games & weaknesses
Log in
Player profile

Duan, Jiasai

Standard: 1633 Rapid: 1696 Blitz: 0 (last updated 2026-11-02)
FIDE ID: 8663599 (view FIDE profile)
Federation: CHN Sex: M Birth Year: 2011 Age: 15
Title: — Women's title: — Other title: — FOA title: —
Games: 5 Wins: 0 (0%) Draws: 2 (40%) Losses: 3 (60%)
View all games
Dossier

3 of 5 games analyzed.

Accuracy: 90.8%
Opened e4: 2/2
Castled kingside: 2Same-side castling: 2Did not castle: 1
Played in the center: 1
Isolated pawn: 2Kept the bishop pair: 2Space advantage: 2Active pieces: 2Missed tactics: 1Avoided exchanges: 1Backward pawn: 1Played gambits: 1Sacrificed material: 1Initiated exchanges: 1
View full dossier Analyze this player's games
Openings

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

As White 2 games 0W 1D 1L
Ruy Lopez 2 games 0W 1D 1L
Berlin Defense 1 game 0W 1D 0L
Anti-Berlin Variation 1 game 0W 1D 0L
Morphy Defense 1 game 0W 0D 1L
Anderssen Variation 1 game 0W 0D 1L
As Black 1 game 0W 0D 1L
Sicilian Defense 1 game 0W 0D 1L
Four Knights Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Blunders Top 4 of 11

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

2026.09.05 · 35. Bxh6 (−37.3% win chance) 0-1
Tong, Yiyi
Duan, Jiasai
View game
2026.09.05 · 37. Qf4 (−17.6% win chance) 0-1
Tong, Yiyi
Duan, Jiasai
View game
2026.09.05 · 31. f4 (−11.1% win chance) 0-1
Tong, Yiyi
Duan, Jiasai
View game
2026.09.05 · 43. Qxc5 (−10.9% win chance) 0-1
Tong, Yiyi
Duan, Jiasai
View game
View blunders & mistakes
Games Showing all 5 games
Date Event Round Color Opponent Result Accuracy % First moves