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Player profile

Koper, Stefan

Standard: 1855 Rapid: 1946 Blitz: 1803 (last updated 2026-11-02)
FIDE ID: 306606 (view FIDE profile)
Federation: CZE Sex: M Birth Year: 1955 Age: 71
Title: — Women's title: — Other title: — FOA title: —
Games: 22 Wins: 7 (32%) Draws: 7 (32%) Losses: 8 (36%)
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Dossier

21 of 22 games analyzed.

Accuracy: 88.4%
Opened d4: 2/3Opened Nf3: 1/3
Castled kingside: 10Same-side castling: 6Opposite-side castling: 3Did not castle: 2
Fianchettoed kingside: 8Played on the kingside: 3Played in the center: 3Played on the queenside: 2Fianchettoed queenside: 1
Backward pawn: 10Initiated exchanges: 9Space advantage: 7Active pieces: 6Sacrificed material: 5Isolated pawn: 4Kept the bishop pair: 4Missed tactics: 3Avoided exchanges: 2Played gambits: 1
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Openings

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As White 4 games 2W 2D 0L
King's Indian Defense 1 game 1W 0D 0L
Fianchetto Variation 1 game 1W 0D 0L
Larsen Defense 1 game 1W 0D 0L
Indian Defense 1 game 0W 1D 0L
Anti-Nimzo-Indian 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Grünfeld Defense 1 game 1W 0D 0L
Three Knights Variation 1 game 1W 0D 0L
Hungarian Variation 1 game 1W 0D 0L
Queen's Gambit Accepted 1 game 0W 1D 0L
Showalter Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
As Black 9 games 1W 3D 5L
Pirc Defense 2 games 0W 1D 1L
(unspecified) 2 games 0W 1D 1L
(unspecified) 2 games 0W 1D 1L
Czech Defense 2 games 0W 1D 1L
(unspecified) 2 games 0W 1D 1L
(unspecified) 2 games 0W 1D 1L
Modern Defense 2 games 0W 1D 1L
Geller's System 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Standard Defense 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Sicilian Defense 1 game 1W 0D 0L
Closed 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
French Defense 1 game 0W 0D 1L
Steinitz Variation 1 game 0W 0D 1L
Boleslavsky Variation 1 game 0W 0D 1L
Queen's Pawn Game 1 game 0W 0D 1L
Levitsky Attack 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Blunders Top 4 of 111

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

2023.08.31 · 45... Qh4 (−95.1% win chance) 1/2-1/2
Koper, Stefan
Cermak, Filip
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2023.08.29 · 28... Kg8 (−62.8% win chance) 1-0
Koper, Stefan
Pisar, Tomas
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2023.08.31 · 47... Qb4+ (−47.5% win chance) 1/2-1/2
Koper, Stefan
Cermak, Filip
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2023.08.31 · 44... Rh2 (−47.3% win chance) 1/2-1/2
Koper, Stefan
Cermak, Filip
View game
View blunders & mistakes
Games Showing all 22 games
Date Event Round Color Opponent Result Accuracy % First moves