Player profile
Jezek, Jakub
Dossier
30 of 30 games analyzed.
Accuracy: 88.3%
Opened d4: 8/12Opened e4: 4/12
Castled kingside: 22Same-side castling: 19Opposite-side castling: 1
Fianchettoed kingside: 9Played on the kingside: 7Played in the center: 6Played on the queenside: 6Fianchettoed queenside: 3
Active pieces: 14Initiated exchanges: 14Space advantage: 13Kept the bishop pair: 13Sacrificed material: 13Backward pawn: 10Isolated pawn: 9Missed tactics: 8Played gambits: 4Avoided exchanges: 3
Openings
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As White 12 games 3W 1D 8L
Queen's Gambit Declined 3 games 0W 0D 3L
(unspecified) 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Exchange Variation 1 game 0W 0D 1L
Positional Variation
1 game
0W
0D
1L
Chigorin Defense 1 game 0W 0D 1L
Main Line
1 game
0W
0D
1L
Sicilian Defense 2 games 1W 0D 1L
Kan Variation 1 game 0W 0D 1L
Modern Variation
1 game
0W
0D
1L
Taimanov Variation 1 game 1W 0D 0L
Bastrikov Variation, English Attack
1 game
1W
0D
0L
Old Indian Defense 1 game 0W 0D 1L
Ukrainian Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Indian Defense 1 game 0W 1D 0L
Gibbins-Weidenhagen Gambit 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Caro-Kann Defense 1 game 1W 0D 0L
Exchange Variation 1 game 1W 0D 0L
Rubinstein Variation
1 game
1W
0D
0L
Queen's Indian Defense 1 game 0W 0D 1L
Classical Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Four Knights Game 1 game 1W 0D 0L
Spanish Variation 1 game 1W 0D 0L
Classical Variation
1 game
1W
0D
0L
Queen's Pawn Game 1 game 0W 0D 1L
Symmetrical Variation 1 game 0W 0D 1L
Pseudo-Catalan
1 game
0W
0D
1L
Catalan Opening 1 game 0W 0D 1L
Closed 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
As Black 10 games 3W 3D 4L
Sicilian Defense 4 games 1W 1D 2L
Closed 2 games 0W 1D 1L
(unspecified)
2 games
0W
1D
1L
Modern Variations 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Najdorf Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
King's Indian Defense 2 games 1W 1D 0L
Orthodox Variation 2 games 1W 1D 0L
Classical System
1 game
0W
1D
0L
Positional Defense, Closed Line
1 game
1W
0D
0L
English Opening 1 game 0W 1D 0L
King's English Variation 1 game 0W 1D 0L
Four Knights Variation, Fianchetto Line, with Nb6
1 game
0W
1D
0L
Queen's Indian Defense 1 game 0W 0D 1L
Capablanca Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Catalan Opening 1 game 0W 0D 1L
Open Defense 1 game 0W 0D 1L
Classical Line
1 game
0W
0D
1L
Benoni Defense 1 game 1W 0D 0L
Classical Variation 1 game 1W 0D 0L
Argentine Counterattack
1 game
1W
0D
0L
Blunders Top 4 of 157
This player's costliest moves in analyzed games. Can you find the winning move?
Games Showing all 30 games
| Date | Event | Round | Color | Opponent | Result | Accuracy % | First moves |
|---|---|---|---|---|---|---|---|
| 2026.07.03 | Round 7: Jezek, Jakub - Krivka, Matej | 7.12 | 2026.07.03 Krivka, Matej (23752106) (2052) | 0 | 90.40% | 1. d4 Nf6 2. c4 d6 3. Nc3 e5 | |
| 2026.07.01 | Round 5: Adamek, Jan - Jezek, Jakub | 5.16 | 2026.07.01 Adamek, Jan (23776307) (1855) | ½ | 92.00% | 1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 | |
| 2026.06.30 | Round 4: Jezek, Jakub - Polak, Michal | 4.10 | 2026.06.30 Polak, Michal (23704012) (2123) | 0 | 88.20% | 1. d4 d5 2. c4 e6 3. Nf3 c6 | |
| 2026.06.29 | Round 3: Jezek, Jakub - Routner, Jakub | 3.11 | 2026.06.29 Routner, Jakub (322245) (2124) | ½ | 91.70% | 1. d4 Nf6 2. g4 d5 3. g5 Nfd7 | |
| 2026.06.28 | Round 2: Dvorak, Jan - Jezek, Jakub | 2.10 | 2026.06.28 Dvorak, Jan (314870) (2131) | ½ | 93.00% | 1. c4 e5 2. g3 Nf6 3. Bg2 d5 | |
| 2025.11.01 | MČech HD16 2025 | 9.13 | 2025.11.01 Krautschneider, Daniel Jan (23726008) (1830) | 0 | 77.70% | 1. d4 d5 2. c4 e6 3. Nc3 Nf6 | |
| 2025.10.31 | MČech HD16 2025 | 8.18 | 2025.10.31 Ausperger, Vit (23732806) (1687) | 1 | 91.20% | 1. d4 Nf6 2. c4 d6 3. Nc3 g6 | |
| 2025.10.28 | MČech HD16 2025 | 5.13 | 2025.10.28 Holes, Vojta (23730730) (1709) | 0 | 83.10% | 1. d4 d5 2. c4 Nc6 3. Nf3 Bg4 | |
| 2025.10.27 | MČech HD16 2025 | 4.6 | 2025.10.27 Popov, Roman (23732580) (2048) | 0 | 93.20% | 1. d4 Nf6 2. c4 b6 3. Nf3 e6 | |
| 2025.10.27 | MČech HD16 2025 | 3.17 | 2025.10.27 Vokoun, Michal (23771330) (1766) | 1 | 96.40% | 1. e4 c6 2. d4 d5 3. exd5 cxd5 | |
| 2025.10.26 | MČech HD16 2025 | 2.12 | 2025.10.26 Myronova, Sofia (23759895) (1540) | 0 | 85.90% | 1. d4 d5 2. Nf3 Nf6 3. c4 e6 | |
| 2025.06.24 | Round 4: Jezek, Jakub - Kammova, Katerina | 4.2 | 2025.06.24 Kammova, Katerina (23737336) (1828) | 0 | 82.70% | 1. d4 Nf6 2. c4 e6 3. Nf3 b6 | |
| 2025.06.24 | Round 3: Mazurek, Richard - Jezek, Jakub | 3.2 | 2025.06.24 Mazurek, Richard (23742160) (1767) | ½ | 70.50% | 1. e4 c5 2. Nc3 Nc6 3. g3 g6 | |
| 2024.03.16 | mcr2024h14 | 9.8 | 2024.03.16 Kutil, Adam (23744537) (1820) | 0 | 91.30% | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 | |
| 2024.03.15 | mcr2024h14 | 8.8 | 2024.03.15 Svadlenka, Dominik (23716258) (1888) | 1 | 92.50% | 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 | |
| 2024.03.14 | mcr2024h14 | 7.9 | 2024.03.14 Stary, Vojtech (399817) (1950) | 1 | 95.10% | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 | |
| 2024.03.13 | mcr2024h14 | 6.12 | 2024.03.13 Trcalek, Filip (23737611) (1615) | 1 | 97.10% | 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 | |
| 2024.03.12 | mcr2024h14 | 5.10 | 2024.03.12 Migalko, Dmitriy (34147489) (1896) | 0 | 88.80% | 1. e4 c5 2. Nf3 d6 3. Nc3 e5 | |
| 2024.03.11 | mcr2024h14 | 4.11 | 2024.03.11 Stara, Zuzana (23733543) (1807) | 0 | 85.30% | 1. d4 d5 2. Nf3 Nf6 3. g3 c5 | |
| 2024.03.11 | mcr2024h14 | 3.11 | 2024.03.11 Lorenc, Matej (23772468) (1637) | 1 | 82.50% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2024.03.10 | mcr2024h14 | 2.8 | 2024.03.10 Komarek, Tobias (23726970) (1822) | 0 | 85.80% | 1. d4 Nf6 2. c4 e6 3. Nf3 d5 | |
| 2024.03.09 | mcr2024h14 | 1.8 | 2024.03.09 Svadlenka, Michal (23717068) (1869) | 0 | 88.80% | 1. e4 c5 2. Nc3 Nc6 3. g3 g6 | |
| 2023.10.27 | Round 8: Matyáš Roubal - Jakub Ježek | 2023.10.27 Matyáš Roubal (1884) | 0 | 88.80% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | ||
| 2023.10.26 | Round 7: Jakub Ježek - Václav Seidl | 2023.10.26 Jakub Ježek (1642) | 0 | 84.50% | 1. d4 d5 2. c4 e6 3. Nc3 Nf6 | ||
| 2023.10.25 | Round 6: Adam Bělaška - Jakub Ježek | 2023.10.25 Adam Bělaška (1503) | ½ | 90.70% | 1. d4 d5 2. c4 e6 3. Nf3 Nf6 | ||
| 2023.10.24 | Round 5: Jakub Ježek - Dmitriy Migalko | 2023.10.24 Jakub Ježek (1642) | ½ | 88.30% | 1. e4 c5 2. Nf3 e6 3. g3 Nc6 | ||
| 2023.10.23 | Round 4: Jakub Ježek - Rostislav Jun | 2023.10.23 Jakub Ježek (1642) | 0 | 86.40% | 1. d4 d5 2. c4 e6 3. Nf3 Nf6 | ||
| 2023.10.23 | Round 3: Jan Váňa - Jakub Ježek | 2023.10.23 Jan Váňa (1969) | 0 | 84.00% | 1. d4 d5 2. Nc3 e6 3. e4 dxe4 | ||
| 2023.10.22 | Round 1: Libuše Kopecká - Jakub Ježek | 2023.10.22 Libuše Kopecká (1077) | 1 | 87.80% | 1. e4 c5 2. Nc3 Nc6 3. Nf3 d6 | ||
| 2023.10.22 | Round 2: Jakub Ježek - Jan Hrdlička | 2023.10.22 Jakub Ježek (1642) | 0 | 79.30% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 |