ChessmooseOpponent prep

Jakub Herka

POL · FIDE ID 21023743 · 17 tournament games since 2025
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Standard
1988
#812 in POL (active)
Rapid
2005
#673 in POL (active)
Blitz
1980
#622 in POL (active)
Score
44%
4 W · 7 D · 6 L
Opp. avg
1990
Last 17 games
Last game
2025-09-21
exe: Slovakia Open 2025

Prep summary

Based on 17 over-the-board games (8 classical). 7 with White (50%), 10 with Black (40%).

Openings as White

First move

1.d4750%

Most played

OpeningGamesScore
Queen's Gambit Accepted: Old Variation225%
Catalan Opening: Open Defense, Classical Line1100%
Grünfeld Defense: Exchange Variation10%
Dutch Defense: Stonewall Variation150%
Catalan Opening: Open Defense150%

Openings as Black

Against 1.e4 (6 games)

1...c5 Sicilian Defense367%
1...c6 Caro-Kann Defense317%

Against 1.d4 (2 games)

1...Nf6 Indian Defense250%

Most played

OpeningGamesScore
Sicilian Defense: Moscow Variation150%
Nimzo-Indian Defense: Classical Variation, Keres Defense10%
Caro-Kann Defense: Exchange Variation150%
Catalan Opening: Open Defense, Classical Line1100%
Sicilian Defense: Smith-Morra Gambit Accepted, Classical Formation1100%

Recent games

DateOpponent and eventResult
2025-09-21Angel Bartolome Martin (1919)
exe: Slovakia Open 2025
½
2025-09-19Adrian Zetocha (2174)
exe: Slovakia Open 2025
L
2025-09-18David Osvald (1833)
exe: Slovakia Open 2025
W
2025-09-17Teodor Malaschitz (1899)
exe: Slovakia Open 2025
½
2025-09-16Oleksandr Dovgaliuk (2332)
exe: Slovakia Open 2025
L
2025-09-15Andrej Jancura (1852)
exe: Slovakia Open 2025
W
2025-09-14Daniel Koelber (2270)
exe: Slovakia Open 2025
L
2025-09-13Oliver Thornley (1731)
exe: Slovakia Open 2025
W
2025-07-31Cecile Haussernot (2170)
15. Nordhaeuser Schachopen | Meisterturnier
L
2025-06-26Oskar Kiszkiel (2123)
Drużynowe Mistrzostwa Polski Juniorów - II Liga | Mecze 1-10 · classical
½

Data: FIDE rating list (October 2026 list; national ranks count active players) and tournament games broadcast on Lichess since 2020 (open data, CC0). Results are matched to FIDE players by name or FIDE ID and may be incomplete. This page shows public chess results only. Is this you and you want the page removed? Email chessmoose1@gmail.com and we remove it.