ChessmooseOpponent prep

GMVlastimil Jansa

CZE · FIDE ID 300128 · 66 tournament games since 2021
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Standard
2219
#197 in CZE (active)
Rapid
2376
#35 in CZE (active)
Blitz
2400
#26 in CZE (active)
Score
54%
22 W · 27 D · 17 L
Opp. avg
2257
Last 50 games
Last game
2026-07-23
Czech Open 2026 | G 1

Prep summary

Based on 66 over-the-board games (15 rapid · 11 classical). 33 with White (65%), 33 with Black (42%).

Openings as White

First move

1.e43365%

Most played

OpeningGamesScore
Sicilian Defense: Najdorf Variation, Yates Variation475%
Sicilian Defense: Nyezhmetdinov-Rossolimo Attack367%
Sicilian Defense: Kan Variation, Knight Variation383%
Sicilian Defense: Hyperaccelerated Dragon2100%
French Defense: Tarrasch Variation, Open System, Euwe-Keres Line250%

Openings as Black

Against 1.e4 (13 games)

1...c5 Sicilian Defense1229%
1...Nf6 Alekhine Defense10%

Against 1.d4 (11 games)

1...Nf6 Indian Defense757%
1...d6 Queen's Pawn Game438%

Most played

OpeningGamesScore
Sicilian Defense: Delayed Alapin Variation, with e6317%
Sicilian Defense: Taimanov Variation350%
Sicilian Defense20%
Grünfeld Defense: Exchange Variation, Spassky Variation20%
Rat Defense: English Rat275%

Recent games

DateOpponent and eventResult
2026-07-23Mykola Domanskiy (2225)
Czech Open 2026 | G 1 · rapid
L
2026-07-23Eduard Andreev (2295)
Czech Open 2026 | G 1 · rapid
½
2026-07-23Kyrylo Rostalnyi (2267)
Czech Open 2026 | G 1 · rapid
½
2026-07-23Anton Korobov (2614)
Czech Open 2026 | G 1 · rapid
L
2026-07-23Ante Leon Starcevic (2111)
Czech Open 2026 | G 1 · rapid
W
2026-07-22Lucia Sevcikova (2130)
Czech Open 2026 | G 1 · rapid
W
2026-07-22Adam Mrazek (1870)
Czech Open 2026 | G 1 · rapid
W
2026-07-22Martin Vasicek (2023)
Czech Open 2026 | G 1 · rapid
½
2026-07-09Bennet Hagner (2451)
XLV Open Villa de Benasque · classical
L
2026-07-08Roberto Cifuentes Parada (2397)
XLV Open Villa de Benasque · 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.