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Kostov, Magnus Constantine

Games: 7 Wins: 2 (29%) Draws: 2 (29%) Losses: 3 (43%)
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Dossier

6 of 7 games analyzed.

Accuracy: 89.1%
Opened e4: 3/3
Same-side castling: 5Castled kingside: 4Castled queenside: 2Opposite-side castling: 1
Played on the queenside: 4Played in the center: 2
Initiated exchanges: 5Isolated pawn: 4Sacrificed material: 4Backward pawn: 3Space advantage: 3Active pieces: 3Kept the bishop pair: 2Missed tactics: 2
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Openings

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As White 3 games 1W 1D 1L
Sicilian Defense 1 game 0W 0D 1L
Old Sicilian 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Italian Game 1 game 1W 0D 0L
Two Knights Defense 1 game 1W 0D 0L
Modern Bishop's Opening 1 game 1W 0D 0L
French Defense 1 game 0W 1D 0L
Rubinstein Variation 1 game 0W 1D 0L
Fort Knox Variation 1 game 0W 1D 0L
As Black 4 games 1W 1D 2L
Italian Game 2 games 1W 1D 0L
Giuoco Pianissimo 1 game 0W 1D 0L
Italian Four Knights Variation 1 game 0W 1D 0L
Classical Variation 1 game 1W 0D 0L
Giuoco Pianissimo 1 game 1W 0D 0L
Ruy Lopez 1 game 0W 0D 1L
Exchange 1 game 0W 0D 1L
Alekhine Variation 1 game 0W 0D 1L
Queen's Pawn Game 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Blunders Top 4 of 29

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

2026.05.24 · 37... Ka6 (−36.5% win chance) 1-0
Kostov, Magnus Constantine
Carnevale-Arella, Loic
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2026.05.25 · 26. Be2 (−31.6% win chance) 0-1
Obataya, Yuma
Kostov, Magnus Constantine
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2026.05.23 · 37. h3 (−26.2% win chance) 1/2-1/2
Kononiuk, Yaroslav
Kostov, Magnus Constantine
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2026.05.25 · 23. Qd1 (−22.9% win chance) 0-1
Obataya, Yuma
Kostov, Magnus Constantine
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View blunders & mistakes
Games Showing all 7 games
Date Event Round Color Opponent Result Accuracy % First moves