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

Yamaguchi, Tosei

Standard: 1920 Rapid: 1960 Blitz: 0 (last updated 2026-10-02)
FIDE ID: 7004737 (view FIDE profile)
Federation: JPN Sex: M Birth Year: 1999 Age: 27
Title: — Women's title: — Other title: NA FOA title: —
Games: 2 Wins: 0 (0%) Draws: 0 (0%) Losses: 2 (100%)
View all games
Dossier

2 of 2 games analyzed.

Accuracy: 89.9%
Castled kingside: 2Same-side castling: 2
Fianchettoed kingside: 2Fianchettoed queenside: 2Played on the kingside: 1Played on the queenside: 1
Isolated pawn: 2Kept the bishop pair: 2Backward pawn: 2Space advantage: 1Sacrificed material: 1Active pieces: 1Initiated exchanges: 1
View full dossier
Openings

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

As White 0 games 0W 0D 0L

No games as White in this range.

As Black 2 games 0W 0D 2L
Modern Defense 1 game 0W 0D 1L
Standard Line 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
King's Indian Defense 1 game 0W 0D 1L
Makogonov Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Blunders Top 4 of 5

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

2023.11.03 · 12... a6 (−15.8% win chance) 1-0
Yamaguchi Tosei
Aoshima Mirai
View game
2024.05.02 · 21... g4 (−13.2% win chance) 1-0
Yamaguchi, Tosei
Nanjo, Ryosuke
View game
2023.11.03 · 11... b5 (−10% win chance) 1-0
Yamaguchi Tosei
Aoshima Mirai
View game
2023.11.03 · 27... Rc6 (−7.7% win chance) 1-0
Yamaguchi Tosei
Aoshima Mirai
View game
View blunders & mistakes
Games Showing all 2 games
Date Event Round Color Opponent Result Accuracy % First moves