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Player profile

Diachek, Andrii

Standard: 2301 Rapid: 2318 Blitz: 2353 (last updated 2026-11-02)
FIDE ID: 34106499 (view FIDE profile)
Federation: POL Sex: M Birth Year: 2012 Age: 14
Title: FM Women's title: — Other title: — FOA title: —
Games: 211 Wins: 104 (49%) Draws: 67 (32%) Losses: 36 (17%) Other: 4
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Dossier

195 of 211 games analyzed.

Accuracy: 91.9%
Opened c4: 38/83Opened e4: 37/83Opened d4: 5/83Opened Nf3: 3/83
Castled kingside: 148Same-side castling: 136Opposite-side castling: 13Did not castle: 11Castled queenside: 11
Fianchettoed kingside: 58Played in the center: 50Played on the queenside: 47Fianchettoed queenside: 44Played on the kingside: 44
Active pieces: 135Initiated exchanges: 104Sacrificed material: 102Kept the bishop pair: 92Space advantage: 82Backward pawn: 81Isolated pawn: 65Missed tactics: 36Avoided exchanges: 31Played gambits: 24
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Openings

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

As White 86 games 41W 31D 13L
English Opening 31 games 13W 13D 4L
Agincourt Defense 10 games 5W 5D 0L
(unspecified) 4 games 2W 2D 0L
Catalan Defense Accepted 3 games 2W 1D 0L
Bogoljubow Defense 2 games 1W 1D 0L
Neo-Catalan Declined 1 game 0W 1D 0L
King's English Variation 9 games 4W 3D 2L
Four Knights Variation, Quiet Line 2 games 0W 2D 0L
Three Knights System 2 games 2W 0D 0L
Reversed Closed Sicilian 1 game 1W 0D 0L
Reversed Sicilian 1 game 0W 0D 1L
(unspecified) 1 game 1W 0D 0L
Kramnik-Shirov Counterattack 1 game 0W 0D 1L
Two Knights Variation, Keres Variation 1 game 0W 1D 0L
Anglo-Indian Defense 5 games 2W 2D 0L
King's Indian Formation 5 games 2W 2D 0L
Symmetrical Variation 4 games 1W 2D 1L
(unspecified) 2 games 0W 1D 1L
Four Knights Variation, Keres-Parma System 1 game 1W 0D 0L
Three Knights Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Romanishin Gambit 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Neo-Catalan 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Sicilian Defense 21 games 13W 5D 3L
Taimanov Variation 5 games 1W 2D 2L
(unspecified) 2 games 1W 1D 0L
Modern Line 2 games 0W 1D 1L
Szén Variation 1 game 0W 0D 1L
Najdorf Variation 3 games 2W 1D 0L
Adams Attack 2 games 1W 1D 0L
(unspecified) 1 game 1W 0D 0L
Nyezhmetdinov-Rossolimo Attack 3 games 2W 1D 0L
(unspecified) 3 games 2W 1D 0L
Accelerated Dragon 2 games 1W 1D 0L
Maróczy Bind 2 games 1W 1D 0L
Moscow Variation 2 games 1W 0D 1L
(unspecified) 1 game 1W 0D 0L
Main Line 1 game 0W 0D 1L
Alapin Variation 2 games 2W 0D 0L
Smith-Morra Declined 1 game 1W 0D 0L
Barmen Defense 1 game 1W 0D 0L
Kan Variation 1 game 1W 0D 0L
Modern Variation 1 game 1W 0D 0L
Lasker-Pelikan Variation 1 game 1W 0D 0L
Retreat Variation 1 game 1W 0D 0L
Hyperaccelerated Dragon 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Richter-Rauzer Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Ruy Lopez 7 games 4W 3D 0L
Morphy Defense 3 games 3W 0D 0L
Modern Steinitz Defense 2 games 2W 0D 0L
Neo-Arkhangelsk Variation 1 game 1W 0D 0L
Closed 2 games 0W 2D 0L
Breyer Defense, Zaitsev Hybrid 1 game 0W 1D 0L
Anti-Marshall 1 game 0W 1D 0L
Exchange Variation 1 game 1W 0D 0L
Keres Variation 1 game 1W 0D 0L
Cozio Defense 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Caro-Kann Defense 6 games 1W 3D 2L
Two Knights Attack 2 games 0W 2D 0L
(unspecified) 1 game 0W 1D 0L
Mindeno Variation, Exchange Line 1 game 0W 1D 0L
Exchange Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Endgame Offer 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Maróczy Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Tartakower Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Catalan Opening 4 games 2W 2D 0L
Closed 2 games 1W 1D 0L
(unspecified) 2 games 1W 1D 0L
Open Defense 2 games 1W 1D 0L
Classical Line 1 game 0W 1D 0L
(unspecified) 1 game 1W 0D 0L
French Defense 4 games 1W 2D 1L
Tarrasch Variation 3 games 1W 2D 0L
Modern System 2 games 1W 1D 0L
Chistyakov Defense 1 game 0W 1D 0L
Exchange Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Réti Opening 3 games 1W 1D 1L
Anglo-Slav Variation 3 games 1W 1D 1L
Gurevich System 2 games 0W 1D 1L
with g3 1 game 1W 0D 0L
Queen's Indian Defense 2 games 1W 1D 0L
Classical Variation 2 games 1W 1D 0L
Traditional Variation 2 games 1W 1D 0L
Nimzo-Indian Defense 2 games 1W 0D 1L
Classical Variation 2 games 1W 0D 1L
(unspecified) 2 games 1W 0D 1L
Petrov's Defense 1 game 1W 0D 0L
Modern Attack 1 game 1W 0D 0L
Murrey Variation 1 game 1W 0D 0L
Pirc Defense 1 game 1W 0D 0L
Classical Variation 1 game 1W 0D 0L
Quiet System 1 game 1W 0D 0L
Old Indian Defense 1 game 0W 1D 0L
Two Knights Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Slav Defense 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Bogo-Indian Defense 1 game 1W 0D 0L
Nimzowitsch Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Queen's Gambit Declined 1 game 0W 0D 1L
Orthodox Defense 1 game 0W 0D 1L
Swiss, Carlsbad Variation 1 game 0W 0D 1L
As Black 92 games 41W 30D 18L
Sicilian Defense 18 games 5W 7D 5L
Kalashnikov Variation 6 games 1W 2D 2L
(unspecified) 6 games 1W 2D 2L
Nyezhmetdinov-Rossolimo Attack 2 games 1W 1D 0L
Fianchetto Variation 2 games 1W 1D 0L
Old Sicilian 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Accelerated Dragon 1 game 1W 0D 0L
Modern Bc4 Variation 1 game 1W 0D 0L
Czerniak Attack 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Closed 1 game 1W 0D 0L
Anti-Sveshnikov Variation, with d6 1 game 1W 0D 0L
Smith-Morra Gambit 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Delayed Alapin Variation 1 game 0W 0D 1L
with d6 1 game 0W 0D 1L
Najdorf Variation 1 game 0W 0D 1L
English Attack 1 game 0W 0D 1L
Alapin Variation 1 game 0W 1D 0L
Smith-Morra Declined 1 game 0W 1D 0L
Moscow Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Chekhover Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Ruy Lopez 10 games 3W 4D 3L
Closed 9 games 2W 4D 3L
Anti-Marshall 6 games 2W 2D 2L
Delayed Exchange 1 game 0W 0D 1L
Bogoljubow Variation 1 game 0W 1D 0L
Martinez Variation 1 game 0W 1D 0L
Morphy Defense 1 game 1W 0D 0L
Tarrasch Variation 1 game 1W 0D 0L
English Opening 9 games 6W 2D 1L
King's English Variation 6 games 4W 1D 1L
Taimanov Variation 3 games 2W 0D 1L
(unspecified) 2 games 1W 1D 0L
Three Knights System 1 game 1W 0D 0L
Agincourt Defense 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Anglo-Indian Defense 1 game 1W 0D 0L
King's Indian Formation, Double Fianchetto 1 game 1W 0D 0L
Symmetrical Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Nimzo-Indian Defense 9 games 6W 2D 1L
Sämisch Variation 3 games 1W 1D 1L
(unspecified) 2 games 1W 0D 1L
Keres Variation 1 game 0W 1D 0L
Leningrad Variation 2 games 2W 0D 0L
(unspecified) 2 games 2W 0D 0L
Classical Variation 2 games 1W 1D 0L
(unspecified) 2 games 1W 1D 0L
Three Knights Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Kmoch Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Queen's Gambit Declined 6 games 2W 3D 1L
Janowski Variation 2 games 0W 2D 0L
(unspecified) 2 games 0W 2D 0L
Harrwitz Attack 2 games 1W 1D 0L
Fianchetto Defense 1 game 1W 0D 0L
(unspecified) 1 game 0W 1D 0L
Orthodox Defense 1 game 1W 0D 0L
Bd3 Line 1 game 1W 0D 0L
(unspecified) 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Italian Game 6 games 4W 2D 0L
Two Knights Defense 5 games 4W 1D 0L
Modern Bishop's Opening 4 games 4W 0D 0L
Polerio Defense, Bishop Check Line 1 game 0W 1D 0L
Classical Variation 1 game 0W 1D 0L
Giuoco Pianissimo 1 game 0W 1D 0L
King's Indian Attack 5 games 3W 2D 0L
Keres Variation 3 games 2W 1D 0L
(unspecified) 3 games 2W 1D 0L
Yugoslav Variation 2 games 1W 1D 0L
(unspecified) 2 games 1W 1D 0L
Zukertort Opening 4 games 3W 0D 1L
(unspecified) 2 games 1W 0D 1L
(unspecified) 2 games 1W 0D 1L
Nimzo-Larsen Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Quiet System 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Bogo-Indian Defense 4 games 1W 1D 2L
Retreat Variation 3 games 1W 0D 2L
(unspecified) 3 games 1W 0D 2L
Nimzowitsch Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Scotch Game 3 games 1W 0D 1L
Mieses Variation 2 games 1W 0D 0L
(unspecified) 2 games 1W 0D 0L
Potter Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Indian Defense 3 games 2W 1D 0L
Knights Variation 2 games 1W 1D 0L
(unspecified) 2 games 1W 1D 0L
Normal Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Catalan Opening 3 games 0W 2D 1L
(unspecified) 3 games 0W 2D 1L
(unspecified) 3 games 0W 2D 1L
Semi-Slav Defense 2 games 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Accelerated Meran Variation 1 game 0W 0D 0L
(unspecified) 1 game 0W 0D 0L
Queen's Pawn Game 2 games 0W 1D 1L
Symmetrical Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Colle System 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Réti Opening 2 games 1W 1D 0L
Anglo-Slav Variation 2 games 1W 1D 0L
with g3 2 games 1W 1D 0L
Nimzo-Larsen Attack 1 game 0W 0D 1L
Classical Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Van Geet Opening 1 game 0W 1D 0L
Napoleon Attack 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Rapport-Jobava System 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Bird Opening 1 game 1W 0D 0L
Dutch Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Caro-Kann Defense 1 game 1W 0D 0L
Exchange Variation 1 game 1W 0D 0L
Rubinstein Variation 1 game 1W 0D 0L
Queen's Indian Defense 1 game 1W 0D 0L
Capablanca Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Blunders Top 4 of 715

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

? · 42... Bd5 (−84.3% win chance) 0-1
Diachek, Andrii
Korszanski, Stanislaw
View game
2026.07.09 · 38... d3 (−73.2% win chance) 0-1
Diachek, Andrii
Madejski, Milosz
View game
2026.07.10 · 60. Be8 (−72.6% win chance) 1/2-1/2
Wnorowski, Wiktor
Diachek, Andrii
View game
2026.07.09 · 35... Qd5 (−68.6% win chance) 0-1
Diachek, Andrii
Madejski, Milosz
View game
View blunders & mistakes
Games Showing all 211 games
Date Event Round Color Opponent Result Accuracy % First moves