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Player profile

Efimovich, Sergey

Standard: 2277 Rapid: 2261 Blitz: 2178 (last updated 2026-10-02)
FIDE ID: 14105276 (view FIDE profile)
Federation: UKR Sex: M Birth Year: 1975 Age: 51
Title: FM Women's title: — Other title: — FOA title: —
Games: 1 Wins: 0 (0%) Draws: 0 (0%) Losses: 1 (100%)
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Dossier

1 of 1 game analyzed.

Accuracy: 87.7%
Opened d4: 1/1
Castled kingside: 1Same-side castling: 1
Played on the queenside: 1
Isolated pawn: 1Kept the bishop pair: 1Active pieces: 1Sacrificed material: 1Initiated exchanges: 1Missed tactics: 1
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Openings

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

As White 1 game 0W 0D 1L
East Indian Defense 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
As Black 0 games 0W 0D 0L

No games as Black in this range.

Blunders Top 4 of 11

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

2026.08.29 · 28. Rxb3 (−21.5% win chance) 0-1
Ibarra Jerez, Jose Carlos
Efimovich, Sergey
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2026.08.29 · 45. Nd8 (−15% win chance) 0-1
Ibarra Jerez, Jose Carlos
Efimovich, Sergey
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2026.08.29 · 25. Qb3 (−11.3% win chance) 0-1
Ibarra Jerez, Jose Carlos
Efimovich, Sergey
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2026.08.29 · 23. Qb3 (−10.2% win chance) 0-1
Ibarra Jerez, Jose Carlos
Efimovich, Sergey
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View blunders & mistakes
Games Showing all 1 game
Date Event Round Color Opponent Result Accuracy % First moves