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Koc, Hanna

Standard: 1541 Rapid: 1618 Blitz: 1412 (last updated 2026-11-02)
FIDE ID: 21074798 (view FIDE profile)
Federation: POL Sex: F Birth Year: 2012 Age: 14
Title: — Women's title: — Other title: — FOA title: —
Games: 14 Wins: 0 (0%) Draws: 5 (36%) Losses: 9 (64%)
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Dossier

14 of 14 games analyzed.

Accuracy: 81.4%
Opened d4: 5/6Opened Nf3: 1/6
Castled kingside: 8Same-side castling: 8Castled queenside: 2
Played on the kingside: 6Played in the center: 2Fianchettoed queenside: 1Fianchettoed kingside: 1
Active pieces: 9Kept the bishop pair: 7Sacrificed material: 6Initiated exchanges: 5Missed tactics: 5Isolated pawn: 4Backward pawn: 4Space advantage: 4Avoided exchanges: 2Played gambits: 2
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Openings

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As White 6 games 0W 3D 3L
Queen's Pawn Game 2 games 0W 1D 1L
Symmetrical Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Torre Attack 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Indian Defense 1 game 0W 1D 0L
Spielmann-Indian 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
East Indian Defense 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Dutch Defense 1 game 0W 0D 1L
Barcza Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Zukertort Opening 1 game 0W 0D 1L
Reversed Grünfeld 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
As Black 4 games 0W 2D 2L
Four Knights Game 2 games 0W 1D 1L
Scotch Variation 2 games 0W 1D 1L
(unspecified) 2 games 0W 1D 1L
Indian Defense 1 game 0W 1D 0L
Wade-Tartakower Defense 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Petrov's Defense 1 game 0W 0D 1L
Damiano Variation 1 game 0W 0D 1L
Kholmov Gambit 1 game 0W 0D 1L
Blunders Top 4 of 128

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

? · 41. Qe3 (−77.3% win chance) 0-1
Mataczyna, Aleksandra
Koc, Hanna
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2026.07.13 · 20... Qf6 (−64.4% win chance) 1-0
Koc, Hanna
Kubacka, Patrycja
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? · 48... Nf4+ (−57.4% win chance) 1-0
Koc, Hanna
Pajak, Patrycja
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? · 31. Qh4 (−52.7% win chance) 0-1
Mataczyna, Aleksandra
Koc, Hanna
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View blunders & mistakes
Games Showing all 14 games
Date Event Round Color Opponent Result Accuracy % First moves