Player profile
Masek, Jan
Dossier
34 of 37 games analyzed.
Accuracy: 88.9%
Opened e4: 8/8
Castled kingside: 13Same-side castling: 8Did not castle: 4Opposite-side castling: 2Castled queenside: 1
Played on the kingside: 8Fianchettoed queenside: 6Played in the center: 5Played on the queenside: 5Fianchettoed kingside: 1
Isolated pawn: 12Initiated exchanges: 12Active pieces: 11Sacrificed material: 10Kept the bishop pair: 9Backward pawn: 8Missed tactics: 8Space advantage: 7Played gambits: 3Avoided exchanges: 2
Openings
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As White 9 games 6W 1D 2L
Sicilian Defense 5 games 3W 0D 2L
Closed 5 games 3W 0D 2L
(unspecified)
3 games
1W
0D
2L
Traditional
2 games
2W
0D
0L
Scandinavian Defense 1 game 0W 1D 0L
Portuguese Gambit 1 game 0W 1D 0L
Jadoul Variation
1 game
0W
1D
0L
Petrov's Defense 1 game 1W 0D 0L
Three Knights Game 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Caro-Kann Defense 1 game 1W 0D 0L
Advance Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Ruy Lopez 1 game 1W 0D 0L
Morphy Defense 1 game 1W 0D 0L
Modern Steinitz Defense
1 game
1W
0D
0L
As Black 12 games 4W 1D 7L
Scotch Game 4 games 1W 1D 2L
Mieses Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Schmidt Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Lolli Variation 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Benima Defense 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Dutch Defense 3 games 1W 0D 2L
Queen's Knight Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Normal Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Classical Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Italian Game 2 games 1W 0D 1L
Scotch Gambit 2 games 1W 0D 1L
Max Lange Attack
2 games
1W
0D
1L
Ruy Lopez 1 game 0W 0D 1L
Closed 1 game 0W 0D 1L
Averbakh Variation
1 game
0W
0D
1L
Zukertort Opening 1 game 0W 0D 1L
Lisitsyn Gambit 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Bird Opening 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Blunders Top 4 of 189
This player's costliest moves in analyzed games. Can you find the winning move?
Games Showing all 37 games
| Date | Event | Round | Color | Opponent | Result | Accuracy % | First moves |
|---|---|---|---|---|---|---|---|
| 2026.08.21 | Round 7: Dohnal, Pavel - Masek, Jan | 7.8 | 2026.08.21 Dohnal, Pavel (23794135) | 0 | 88.10% | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 | |
| 2026.08.18 | Round 4: Masek, Jan - Striz, Tadeas | 4.10 | 2026.08.18 Striz, Tadeas (23723530) (1752) | 0 | 84.50% | 1. e4 c5 2. Nc3 e6 3. Nf3 Nc6 | |
| 2026.08.17 | Round 3: Repak, Jan - Masek, Jan | 3.3 | 2026.08.17 Repak, Jan (358371) (1726) | 0 | 88.60% | 1. Nf3 f5 2. e4 fxe4 3. Ng5 Nf6 | |
| 2026.08.16 | Round 2: Masek, Jan - Kvapilova, Lucie | 2.6 | 2026.08.16 Kvapilova, Lucie (23745061) (1693) | 1 | 96.30% | 1. e4 c5 2. Nc3 Nc6 3. Bb5 Nd4 | |
| 2026.08.15 | Round 1: Walak, Jiri - Masek, Jan | 1.7 | 2026.08.15 Walak, Jiri (367982) (1650) | 1 | 91.30% | 1. c4 f5 2. Nc3 Nf6 3. d4 e6 | |
| 2026.07.05 | Round 9: Strazhnyk, Viktoriia - Masek, Jan | 9.2 | 2026.07.05 Strazhnyk, Viktoriia (23760699) (1866) | 0 | 87.20% | 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 | |
| 2026.07.04 | Round 8: Masek, Jan - Hronik, Petr | 8.2 | 2026.07.04 Hronik, Petr (336700) (1895) | ½ | 97.00% | 1. e4 d5 2. exd5 Nf6 3. d4 Bg4 | |
| 2026.07.03 | Round 7: Nova, Doubravka Anezka - Masek, Jan | 7.4 | 2026.07.03 Nova, Doubravka Anezka (23727144) (1680) | 1 | 91.20% | 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 | |
| 2026.07.02 | Round 6: Masek, Jan - Cerny, Ren | 6.5 | 2026.07.02 Cerny, Ren (23754559) (1690) | 1 | 91.50% | 1. e4 e5 2. Nf3 Nf6 3. Nc3 Bb4 | |
| 2026.07.01 | Round 5: Sindelar, Jakub - Masek, Jan | 5.2 | 2026.07.01 Sindelar, Jakub (23743620) (1680) | 0 | 78.40% | 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 | |
| 2026.06.30 | Round 4: Masek, Jan - Jelinek, Jan | 4.2 | 2026.06.30 Jelinek, Jan (23728094) (1696) | 1 | 81.50% | 1. e4 c5 2. Nc3 e6 3. Nf3 Nc6 | |
| 2026.06.29 | Round 3: Koslerova, Denisa Annie - Masek, Jan | 3.4 | 2026.06.29 Koslerova, Denisa Annie (23751606) (1686) | 1 | 97.50% | 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 | |
| 2026.06.28 | Round 2: Masek, Jan - Strazhnyk, Yevhen | 2.4 | 2026.06.28 Strazhnyk, Yevhen (23771305) (1658) | 1 | 96.50% | 1. e4 c6 2. d4 d5 3. e5 Bf5 | |
| 2026.06.27 | Round 1: Brychta, Adam - Masek, Jan | 1.7 | 2026.06.27 Brychta, Adam (23742780) (1548) | 1 | - | 1. f4 Nc6 2. Nf3 d6 3. b3 e5 | |
| 2025.07.04 | Round 7: Masek, Jan - Cizek, Filip | 7.10 | 2025.07.04 Cizek, Filip (23744154) (1676) | 0 | 87.90% | 1. e4 c5 2. Nc3 g6 3. Nf3 Bg7 | |
| 2025.06.29 | Round 2: Stanke, Petr - Masek, Jan | 2.6 | 2025.06.29 Stanke, Petr (385557) (1687) | 0 | - | 1. d4 f5 2. c4 Nf6 3. Nf3 e6 | |
| 2025.06.28 | Round 1: Masek, Jan - Chmelova, Klara | 1.10 | 2025.06.28 Chmelova, Klara (23758589) (1531) | 1 | - | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 | |
| 2024.08.25 | Round 9: Bucek, Miroslav - Masek, Jan | 9.10 | 2024.08.25 Bucek, Miroslav (23726938) (1747) | ½ | 81.00% | 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 | |
| 2024.08.23 | Round 7: Krupa, Dominik - Masek, Jan | 7.8 | 2024.08.23 Krupa, Dominik (21836132) (1636) | 0 | 82.40% | 1. e4 e5 2. d4 exd4 3. Nf3 Nc6 | |
| 2024.08.19 | Round 3: Fadrny, Jachym - Masek, Jan | 3.3 | 2024.08.19 Fadrny, Jachym (23744170) (1665) | 0 | 82.20% | 1. d4 f5 2. c4 e6 3. e3 Nf6 | |
| 2024.08.18 | Round 2: Masek, Jan - Walak, Jiri | 2.9 | 2024.08.18 Walak, Jiri (367982) (1668) | 1 | 97.80% | 1. e4 c5 2. Nc3 Nc6 3. Bb5 e6 | |
| Round 9: Haidenko, Mykola - Masek, Jan | 9.6 | Haidenko, Mykola (23731958) (1789) | 0 | 78.10% | 1. d4 f5 2. e4 fxe4 3. Nc3 Nf6 | ||
| Round 8: Masek, Jan - Mongird, Lew | 8.5 | Mongird, Lew (91139228) (1501) | ½ | 94.30% | 1. e4 c5 2. Nc3 d6 3. Bb5+ Nd7 | ||
| Round 7: Walak, Jiri - Masek, Jan | 7.11 | Walak, Jiri (367982) (1656) | 1 | 83.60% | 1. c4 f5 2. Nc3 Nf6 3. d3 e6 | ||
| Round 5: Masek, Jan - Kampik, David | 5.7 | Kampik, David (397474) (1726) | 0 | 84.50% | 1. e4 e6 2. d4 d5 3. Nd2 Nf6 | ||
| Round 4: Cimburek, Jan - Masek, Jan | 4.3 | Cimburek, Jan (390283) (1974) | ½ | 87.00% | 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 | ||
| Round 3: Masek, Jan - Jurcek, Adrian | 3.8 | Jurcek, Adrian (23760044) (1671) | ½ | 79.00% | 1. e4 c5 2. Nc3 a6 3. a4 Nc6 | ||
| Round 2: Vyvial, Vaclav - Masek, Jan | 2.12 | Vyvial, Vaclav (393150) (1700) | 1 | 88.20% | 1. e4 e5 2. Bc4 Nf6 3. d4 Nc6 | ||
| 2023.07.09 | Round 9: Jan Masek - Vicky Cinkova | 2023.07.09 Vicky Cinkova | 1 | 83.70% | 1. e4 c6 2. d4 d5 3. Bd3 e6 | ||
| 2023.07.08 | Round 8: Jan Sindelar - Jan Masek | 2023.07.08 Jan Sindelar | ½ | 78.50% | 1. d4 f5 2. e4 fxe4 3. Nc3 Nf6 | ||
| 2023.07.07 | Round 7: Jan Masek - Pavel Zak | 2023.07.07 Pavel Zak | 0 | 81.00% | 1. e4 d5 2. exd5 Nf6 3. Nf3 Nxd5 | ||
| 2023.07.06 | Round 6: Jan Masek - Martin Bukvaj | 2023.07.06 Martin Bukvaj | 1 | 93.00% | 1. e4 c5 2. Nc3 d6 3. Nf3 Nc6 | ||
| 2023.07.05 | Round 5: Frantisek Skokan - Jan Masek | 2023.07.05 Frantisek Skokan | 0 | 88.20% | 1. d4 f5 2. Nf3 Nf6 3. h3 e6 | ||
| 2023.07.04 | Round 4: Jakub Beran - Jan Masek | 2023.07.04 Jakub Beran | 1 | 94.30% | 1. c4 f5 2. d4 Nf6 3. Nc3 e6 | ||
| 2023.07.03 | Round 3: Jan Masek - Anezka Nova | 2023.07.03 Anezka Nova | 1 | 97.60% | 1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 | ||
| 2023.07.02 | Round 2: Mikhail Artamonov - Jan Masek | 2023.07.02 Mikhail Artamonov | 1 | 90.00% | 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 | ||
| 2023.07.01 | Round 1: Jan Masek - Michael Schwartz | 2023.07.01 Michael Schwartz | 1 | 98.60% | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 |