Player profile

Kostak, Tetyana

Standard: 1993 Rapid: 2033 Blitz: 2066 (last updated 2026-10-02)
FIDE ID: 14101041 (view FIDE profile)
Federation: GER Sex: F Birth Year: 1971 Age: 55
Title: WFM Women's title: WFM Other title: — FOA title: —
Games: 76 Wins: 34 (45%) Draws: 12 (16%) Losses: 30 (39%)
Dossier

73 of 76 games analyzed.

Accuracy: 88.6%
Opened e4: 20/27Opened Nf3: 4/27Opened d4: 3/27
Castled kingside: 41Same-side castling: 41Castled queenside: 7Opposite-side castling: 5Did not castle: 4
Played on the kingside: 20Played in the center: 18Fianchettoed kingside: 15Played on the queenside: 8Fianchettoed queenside: 4
Backward pawn: 37Sacrificed material: 36Active pieces: 35Initiated exchanges: 34Kept the bishop pair: 28Space advantage: 21Missed tactics: 19Isolated pawn: 18Avoided exchanges: 7Played gambits: 4
Openings

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As White 28 games 12W 5D 11L
Sicilian Defense 13 games 5W 3D 5L
Delayed Alapin Variation 3 games 1W 1D 1L
with d6 3 games 1W 1D 1L
French Variation 3 games 0W 1D 2L
(unspecified) 3 games 0W 1D 2L
Nyezhmetdinov-Rossolimo Attack 2 games 0W 0D 2L
Fianchetto Variation 2 games 0W 0D 2L
Old Sicilian 2 games 1W 1D 0L
(unspecified) 2 games 1W 1D 0L
O'Kelly Variation 1 game 1W 0D 0L
Quiet System 1 game 1W 0D 0L
Wing Gambit 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Modern Variations 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Queen's Pawn Game 3 games 1W 1D 1L
Colle System 2 games 1W 1D 0L
(unspecified) 2 games 1W 1D 0L
Zukertort Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Caro-Kann Defense 2 games 0W 0D 2L
Breyer Variation 2 games 0W 0D 2L
(unspecified) 2 games 0W 0D 2L
Ponziani Opening 2 games 1W 0D 1L
Jaenisch Counterattack 2 games 1W 0D 1L
(unspecified) 2 games 1W 0D 1L
French Defense 2 games 1W 0D 1L
King's Indian Attack 2 games 1W 0D 1L
(unspecified) 2 games 1W 0D 1L
East Indian Defense 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Rubinstein Opening 1 game 0W 1D 0L
Classical Defense 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Modern Defense 1 game 1W 0D 0L
Pseudo-Austrian Attack 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Zukertort Opening 1 game 1W 0D 0L
Old Indian Attack 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
King's Indian Attack 1 game 0W 0D 1L
Sicilian Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
King's Pawn Game 1 game 1W 0D 0L
Mengarini's Opening 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
As Black 26 games 12W 5D 9L
Pirc Defense 7 games 4W 3D 0L
(unspecified) 7 games 4W 3D 0L
(unspecified) 7 games 4W 3D 0L
Philidor Defense 5 games 1W 1D 3L
Lion Variation 4 games 0W 1D 3L
(unspecified) 3 games 0W 1D 2L
Shirov Gambit 1 game 0W 0D 1L
Exchange Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Old Indian Defense 3 games 2W 1D 0L
Normal Variation 2 games 2W 0D 0L
(unspecified) 2 games 2W 0D 0L
Czech Variation 1 game 0W 1D 0L
with Nf3 1 game 0W 1D 0L
Nimzowitsch Defense 2 games 0W 0D 2L
Kennedy Variation 1 game 0W 0D 1L
Linksspringer Variation 1 game 0W 0D 1L
Williams Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Queen's Pawn Game 2 games 1W 0D 1L
(unspecified) 2 games 1W 0D 1L
(unspecified) 2 games 1W 0D 1L
Nimzo-Indian Defense 1 game 0W 0D 1L
Normal Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Zukertort Opening 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Elephant Gambit 1 game 1W 0D 0L
Paulsen Countergambit 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
English Opening 1 game 0W 0D 1L
King's English Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Trompowsky Attack 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Mexican Defense 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Indian Defense 1 game 1W 0D 0L
Anti-Nimzo-Indian 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Blunders Top 4 of 410

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

? · 37... Qd5 (−70.8% win chance) 1-0
Kostak, Tetyana
Bursan, Ana-Maria
View game
2026.08.18 · 70. Qa7+ (−47.5% win chance) 1-0
Papadopoulou, Soultana
Kostak, Tetyana
View game
2026.08.18 · 71. Ra8 (−47.5% win chance) 1-0
Papadopoulou, Soultana
Kostak, Tetyana
View game
2024.09.28 · 42. Kh4 (−46.8% win chance) 0-1
Dolzhykova, Kateryna
Kostak, Tetyana
View game
Games Showing all 76 games
Date Event Round Color Opponent Result Accuracy % First moves