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Player profile

Kostelny, Jozef

Standard: 2120 Rapid: 2132 Blitz: 2068 (last updated 2026-11-02)
FIDE ID: 14903458 (view FIDE profile)
Federation: SVK Sex: M Birth Year: 1971 Age: 55
Title: — Women's title: — Other title: — FOA title: —
Games: 11 Wins: 3 (27%) Draws: 2 (18%) Losses: 6 (55%)
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Dossier

10 of 11 games analyzed.

Accuracy: 90%
Opened c4: 5/5
Castled kingside: 10Same-side castling: 9
Fianchettoed queenside: 6Fianchettoed kingside: 4Played on the queenside: 4Played in the center: 2Played on the kingside: 2
Backward pawn: 10Kept the bishop pair: 8Active pieces: 7Initiated exchanges: 7Isolated pawn: 6Space advantage: 6Sacrificed material: 5Missed tactics: 2Avoided exchanges: 1
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Openings

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As White 6 games 2W 1D 3L
Réti Opening 2 games 1W 1D 0L
Anglo-Slav Variation 2 games 1W 1D 0L
with g3 1 game 0W 1D 0L
Gurevich System 1 game 1W 0D 0L
English Opening 2 games 0W 0D 2L
King's English Variation 1 game 0W 0D 1L
Reversed Closed Sicilian 1 game 0W 0D 1L
Agincourt Defense 1 game 0W 0D 1L
Neo-Catalan Declined 1 game 0W 0D 1L
Grünfeld Defense 1 game 1W 0D 0L
Three Knights Variation 1 game 1W 0D 0L
Petrosian System 1 game 1W 0D 0L
Tarrasch Defense 1 game 0W 0D 1L
Classical Variation 1 game 0W 0D 1L
Advance Variation 1 game 0W 0D 1L
As Black 5 games 1W 1D 3L
Sicilian Defense 3 games 1W 0D 2L
Boleslavsky Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Richter-Rauzer Variation 1 game 1W 0D 0L
Podebrady Variation 1 game 1W 0D 0L
O'Kelly Variation 1 game 0W 0D 1L
Venice System, Barcza Line 1 game 0W 0D 1L
Indian Defense 1 game 0W 1D 0L
Accelerated London System 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Queen's Indian Defense 1 game 0W 0D 1L
Kasparov-Petrosian Variation 1 game 0W 0D 1L
Classical Variation 1 game 0W 0D 1L
Blunders Top 4 of 45

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

2026.05.17 · 53. Kg6 (−33.7% win chance) 0-1
Vojta, Tomas
Kostelny, Jozef
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2025.10.19 · 19... Ncxe5 (−27.4% win chance) 1-0
Kostelny, Jozef
Collin, Moritz Valentin
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2026.05.19 · 62... e5 (−24.7% win chance) 0-1
Kostelny, Jozef
Kolesar, Peter
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2026.05.17 · 44. Rh4 (−24% win chance) 0-1
Vojta, Tomas
Kostelny, Jozef
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Games Showing all 11 games
Date Event Round Color Opponent Result Accuracy % First moves