Player profile
Machacek, Jan
Dossier
24 of 25 games analyzed.
Accuracy: 84.6%
Opened e4: 9/9
Castled kingside: 9Same-side castling: 6Opposite-side castling: 3Did not castle: 3Castled queenside: 2
Played on the kingside: 6Played in the center: 6Fianchettoed kingside: 5Fianchettoed queenside: 3Played on the queenside: 3
Kept the bishop pair: 12Space advantage: 9Sacrificed material: 8Missed tactics: 8Active pieces: 7Isolated pawn: 7Backward pawn: 6Initiated exchanges: 5Avoided exchanges: 4Played gambits: 2
Openings
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As White 9 games 8W 0D 1L
Sicilian Defense 4 games 3W 0D 1L
Kalashnikov Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Godiva Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Kan Variation 1 game 1W 0D 0L
Knight Variation
1 game
1W
0D
0L
Dragon Variation 1 game 1W 0D 0L
Yugoslav Attack
1 game
1W
0D
0L
Vienna Game 2 games 2W 0D 0L
Vienna Gambit 2 games 2W 0D 0L
Paulsen Attack
2 games
2W
0D
0L
Scandinavian Defense 2 games 2W 0D 0L
Marshall Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Main Line 1 game 1W 0D 0L
Mieses Variation
1 game
1W
0D
0L
Owen Defense 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
As Black 6 games 2W 0D 4L
Sicilian Defense 5 games 1W 0D 4L
Najdorf Variation 2 games 0W 0D 2L
English Attack
1 game
0W
0D
1L
(unspecified)
1 game
0W
0D
1L
Prins Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Chekhover Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Scheveningen Variation 1 game 1W 0D 0L
Classical Variation
1 game
1W
0D
0L
English Opening 1 game 1W 0D 0L
Anglo-Indian Defense 1 game 1W 0D 0L
King's Knight Variation
1 game
1W
0D
0L
Blunders Top 4 of 112
This player's costliest moves in analyzed games. Can you find the winning move?
Games Showing all 25 games
| Date | Event | Round | Color | Opponent | Result | Accuracy % | First moves |
|---|---|---|---|---|---|---|---|
| 2026.08.01 | Open Desko Liberec 2026 | 9.5 | 2026.08.01 Peroutka, Simon (389854) (1967) | 1 | 94.40% | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 | |
| 2025.12.20 | Round 3: Machacek, Jan - Babula, Vlastimil | 3.5 | 2025.12.20 Babula, Vlastimil (301264) (2485) | 0 | 78.80% | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 | |
| 2025.05.10 | Round 13: Machacek, Jan - Mrozowski, Patryk | 13.13 | 2025.05.10 Mrozowski, Patryk (1155296) (2064) | 1 | 82.30% | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 | |
| 2025.05.10 | Round 12: Bokhnak, Tymofii - Machacek, Jan | 12.8 | 2025.05.10 Bokhnak, Tymofii (14172976) (2149) | 0 | 79.00% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2025.05.10 | Round 11: Machacek, Jan - Kasparek, Ondrej | 11.12 | 2025.05.10 Kasparek, Ondrej (303542) | 1 | 94.20% | 1. e4 e5 2. Nc3 Nf6 3. f4 d5 | |
| 2025.05.10 | Round 10: Vojta, Jakub - Machacek, Jan | 10.5 | 2025.05.10 Vojta, Jakub (382515) (2222) | 0 | 82.70% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2025.05.10 | Round 9: Hajek, Oskar - Machacek, Jan | 9.2 | 2025.05.10 Hajek, Oskar (374512) (2130) | 0 | 71.80% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2025.05.10 | Round 8: Machacek, Jan - Pressler, Tobias | 8.3 | 2025.05.10 Pressler, Tobias (23715359) (2098) | 1 | 82.20% | 1. e4 b6 2. d4 Bb7 3. Bd3 e6 | |
| 2025.05.10 | Round 5: Machacek, Jan - Stevik, Patrik | 5.4 | 2025.05.10 Stevik, Patrik (14944812) (2253) | 1 | 82.20% | 1. e4 e5 2. Nc3 Nf6 3. f4 d5 | |
| 2025.05.10 | Round 3: Machacek, Jan - Matousek, Petr | 3.15 | 2025.05.10 Matousek, Petr (314447) (1992) | 1 | 85.10% | 1. e4 d5 2. exd5 Nf6 3. d4 Nxd5 | |
| 2025.05.10 | Round 2: Kala, Jakub - Machacek, Jan | 2.19 | 2025.05.10 Kala, Jakub (23753897) (1916) | 1 | - | 1. Nf3 Nf6 2. c4 e6 3. Nc3 d5 | |
| 2025.05.10 | Round 1: Machacek, Jan - Belan, Martin | 1.19 | 2025.05.10 Belan, Martin (14949857) | 1 | 98.30% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2025.05.09 | Round 7: Delgerdalai, Bayarjavkhlan - Machacek, Jan | 7.1 | 2025.05.09 Delgerdalai, Bayarjavkhlan (23727276) (2162) | 0 | 85.20% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2025.05.09 | Round 6: Machacek, Jan - Karnik, Pavel | 6.1 | 2025.05.09 Karnik, Pavel (304093) (2235) | 1 | 83.50% | 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 | |
| 2025.05.09 | Round 4: Novotny, Michal - Machacek, Jan | 4.1 | 2025.05.09 Novotny, Michal (310980) (2260) | 1 | 84.70% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2023.07.22 | Round 9: Gabriel Karaszewski - Jan Machacek | 2023.07.22 Gabriel Karaszewski | 1 | 91.60% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | ||
| 2023.07.21 | Round 8: Jan Machacek - Zdenek Cakl | 2023.07.21 Zdenek Cakl | ½ | 97.70% | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 | ||
| 2023.07.20 | Round 7: Petr Haba - Jan Machacek | 2023.07.20 Petr Haba | 0 | 74.20% | 1. d4 Na6 | ||
| 2023.07.19 | Round 6: Jan Machacek - Jakob Matthaei | 2023.07.19 Jakob Matthaei | * | 96.90% | 1. e4 e5 2. Nc3 Nf6 3. f4 d5 | ||
| 2023.07.18 | Round 5: Petr Kucera - Jan Machacek | 2023.07.18 Petr Kucera | ½ | 96.10% | 1. d4 Nf6 2. Nf3 d5 3. g3 e6 | ||
| 2023.07.17 | Round 4: Jan Machacek - Vojtech Holasek | 2023.07.17 Vojtech Holasek | 1 | 90.90% | 1. d4 g6 2. e4 Bg7 3. Nc3 b6 | ||
| 2023.07.16 | Round 3: David Hozda - Jan Machacek | 2023.07.16 David Hozda | ½ | 86.70% | 1. d4 d5 2. Nf3 Nf6 3. Bf4 c5 | ||
| 2023.07.16 | Round 2: Jan Machacek - Vlastimil Goc | 2023.07.16 Vlastimil Goc | ½ | 89.90% | 1. d4 Nf6 2. Nf3 d5 3. c4 e6 | ||
| 2023.07.15 | Round 1: Player 13 - Player 14 | 2023.07.15 Vaclav Belaska | 1 | 94.10% | 1. d4 d5 2. Nf3 Nf6 3. c4 e6 | ||
| 2023.07.14 | Round 2: Pavel Simacek - Jan Machacek | 2023.07.14 Pavel Simacek | 0 | 82.70% | 1. d4 Nf6 2. c4 e6 3. Nc3 d5 |