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Player profile

Kotsev, Kalin

Standard: 1425 Rapid: 0 Blitz: 0 (last updated 2026-11-02)
FIDE ID: 2957558 (view FIDE profile)
Federation: BUL
Federation: BUL Sex: M Birth Year: 2018 Age: 8
Title: — Women's title: — Other title: — FOA title: —
Games: 9 Wins: 4 (44%) Draws: 5 (56%) Losses: 0 (0%)
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Dossier

9 of 9 games analyzed.

Accuracy: 86.9%
Opened d4: 4/5Opened e4: 1/5
Castled kingside: 8Same-side castling: 7Did not castle: 1
Played in the center: 4Played on the kingside: 3Played on the queenside: 2Fianchettoed kingside: 1
Space advantage: 8Active pieces: 7Initiated exchanges: 7Isolated pawn: 5Missed tactics: 5Kept the bishop pair: 5Sacrificed material: 4Backward pawn: 3Avoided exchanges: 2Played gambits: 1
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Openings

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As White 5 games 2W 3D 0L
Queen's Gambit Accepted 1 game 0W 1D 0L
Central Variation 1 game 0W 1D 0L
McDonnell Defense 1 game 0W 1D 0L
Slav Defense 1 game 1W 0D 0L
Three Knights Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
King's Indian Defense 1 game 1W 0D 0L
Exchange Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
French Defense 1 game 0W 1D 0L
Advance Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Queen's Gambit Declined 1 game 0W 1D 0L
Marshall Defense 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
As Black 4 games 2W 2D 0L
Caro-Kann Defense 4 games 2W 2D 0L
Tartakower Variation 2 games 1W 1D 0L
(unspecified) 2 games 1W 1D 0L
Exchange Variation 1 game 1W 0D 0L
Rubinstein Variation 1 game 1W 0D 0L
Two Knights Attack 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Blunders Top 4 of 58

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

2026.08.18 · 16. Rfd1 (−54.1% win chance) 1/2-1/2
Polach, Ondrej
Kotsev, Kalin
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2026.08.20 · 10. Qc2 (−39.2% win chance) 1/2-1/2
Wilczynska, Ida
Kotsev, Kalin
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2026.08.25 · 41... f3 (−32% win chance) 1/2-1/2
Kotsev, Kalin
Kaliskami, Sophia
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2026.08.20 · 16. Ng5 (−32% win chance) 1/2-1/2
Wilczynska, Ida
Kotsev, Kalin
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View blunders & mistakes
Games Showing all 9 games
Date Event Round Color Opponent Result Accuracy % First moves