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Player profile

Costache, Stefan

Standard: 1757 Rapid: 1758 Blitz: 0 (last updated 2026-11-02)
FIDE ID: 94765383 (view FIDE profile)
Federation: ESP Sex: M Birth Year: 2014 Age: 12
Title: — Women's title: — Other title: — FOA title: —
Games: 22 Wins: 6 (27%) Draws: 2 (9%) Losses: 14 (64%)
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Dossier

22 of 22 games analyzed.

Accuracy: 87%
Opened d4: 8/9Opened e4: 1/9
Castled kingside: 15Same-side castling: 13Opposite-side castling: 6Castled queenside: 5Did not castle: 2
Played in the center: 9Played on the kingside: 6Played on the queenside: 3Fianchettoed queenside: 1
Active pieces: 15Sacrificed material: 15Space advantage: 12Backward pawn: 11Missed tactics: 10Initiated exchanges: 10Isolated pawn: 10Kept the bishop pair: 7Avoided exchanges: 6Played gambits: 2
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Openings

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As White 9 games 3W 1D 5L
Indian Defense 4 games 0W 0D 4L
Accelerated London System 4 games 0W 0D 4L
(unspecified) 4 games 0W 0D 4L
Queen's Pawn Game 3 games 2W 0D 1L
Accelerated London System 2 games 2W 0D 0L
(unspecified) 2 games 2W 0D 0L
London System 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
French Defense 1 game 0W 1D 0L
Steinitz Variation 1 game 0W 1D 0L
Boleslavsky Variation 1 game 0W 1D 0L
Benoni Defense 1 game 1W 0D 0L
Old Benoni 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
As Black 13 games 3W 1D 9L
Caro-Kann Defense 5 games 1W 1D 3L
Two Knights Attack 2 games 0W 0D 2L
(unspecified) 2 games 0W 0D 2L
Apocalypse Attack 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Advance Variation 1 game 1W 0D 0L
Botvinnik-Carls Defense 1 game 1W 0D 0L
(unspecified) 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
French Defense 2 games 0W 0D 2L
Advance Variation 1 game 0W 0D 1L
Euwe Variation 1 game 0W 0D 1L
Tarrasch Variation 1 game 0W 0D 1L
Chistyakov Defense 1 game 0W 0D 1L
Queen's Pawn Game 2 games 1W 0D 1L
Colle System 2 games 1W 0D 1L
Anti-Colle 2 games 1W 0D 1L
English Opening 1 game 0W 0D 1L
King's English Variation 1 game 0W 0D 1L
Reversed Closed Sicilian 1 game 0W 0D 1L
Indian Defense 1 game 0W 0D 1L
Accelerated London System 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Nimzo-Indian Defense 1 game 1W 0D 0L
Three Knights Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
King's Indian Attack 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Blunders Top 4 of 125

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

2024.07.07 · 48. Rd1 (−51% win chance) 0-1
Garcia Jimenez, Cesar
Costache, Stefan
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2024.07.05 · 29. gxf4 (−50.8% win chance) 0-1
Mumbru Borges, Marc
Costache, Stefan
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2024.07.06 · 26. Rxa7 (−41% win chance) 0-1
Beneyto de Ramon, Jaime
Costache, Stefan
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2026.03.30 · 38. Ra6 (−38.6% win chance) 1/2-1/2
Sanchez Cabrerizo, Adria
Costache, Stefan
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Games Showing all 22 games
Date Event Round Color Opponent Result Accuracy % First moves