Player profile
Mazurek, Jerzy
Dossier
13 of 16 games analyzed.
Accuracy: 89.9%
Opened Nf3: 2/2
Castled kingside: 7Same-side castling: 4Opposite-side castling: 2
Fianchettoed queenside: 3Fianchettoed kingside: 2Played on the queenside: 2Played in the center: 2Played on the kingside: 1
Backward pawn: 6Kept the bishop pair: 5Isolated pawn: 4Active pieces: 4Accepted short draws: 3Space advantage: 3Avoided exchanges: 3Sacrificed material: 3Initiated exchanges: 2Missed tactics: 2
Openings
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As White 5 games 0W 2D 3L
King's Indian Attack 2 games 0W 2D 0L
(unspecified) 2 games 0W 2D 0L
(unspecified)
2 games
0W
2D
0L
Zukertort Opening 1 game 0W 0D 1L
Reversed Grünfeld 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Queen's Gambit Declined 1 game 0W 0D 1L
Exchange Variation 1 game 0W 0D 1L
Positional Variation
1 game
0W
0D
1L
Sicilian Defense 1 game 0W 0D 1L
Nimzo-American Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
As Black 5 games 1W 1D 3L
Center Game 1 game 1W 0D 0L
Normal Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Queen's Gambit Declined 1 game 0W 0D 1L
Three Knights Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
English Opening 1 game 0W 0D 1L
King's English Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Sicilian Defense 1 game 0W 0D 1L
Chekhover Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Queen's Pawn Game 1 game 0W 1D 0L
Colle System 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Blunders Top 4 of 56
This player's costliest moves in analyzed games. Can you find the winning move?
Games Showing all 16 games
| Date | Event | Round | Color | Opponent | Result | Accuracy % | First moves |
|---|---|---|---|---|---|---|---|
| 2026.09.06 | II Liga 2026 | 9.4 | 2026.09.06 Glatty, Zbigniew (1171305) (1839) | ½ | 97.50% | 1. Nf3 d5 2. g3 c6 3. Bg2 Bf5 | |
| 2026.09.04 | II Liga 2026 | 7.64 | 2026.09.04 Szuber, Dawid (21820619) (1857) | ½ | 97.50% | 1. Nf3 d5 2. g3 Nf6 3. Bg2 Nbd7 | |
| 2026.09.03 | II Liga 2026 | 6.70 | 2026.09.03 Grabowski, Marek (1130498) (1867) | 1 | 87.40% | 1. e4 e5 2. d4 exd4 3. Qxd4 Nc6 | |
| 2026.09.01 | II Liga 2026 | 4.46 | 2026.09.01 Krasiewicz, Robert (1128612) (2044) | 0 | 79.40% | 1. d4 d5 2. Nf3 Nf6 3. c4 e6 | |
| 2026.08.31 | II Liga 2026 | 3.58 | 2026.08.31 Smukowski, Bartosz (21821852) (1966) | 0 | - | 1. Nf3 d5 2. g3 c5 3. Bg2 Nc6 | |
| 2025.09.07 | 2liga_2025_3 | 9.2 | 2025.09.07 Krasiewicz, Robert (1128612) (2035) | 0 | 86.90% | 1. c4 e5 2. g3 Nf6 3. Bg2 d5 | |
| 2025.09.05 | 2 liga 2025 2 | 7.70 | 2025.09.05 Olszewski, Marek (1114956) (1897) | 0 | 83.50% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2025.09.04 | 2 liga 2025 2 | 6.27 | 2025.09.04 Krainski, Aleksander (1102400) (2088) | ½ | 97.40% | 1. d4 d5 2. Nf3 Nf6 3. e3 e6 | |
| 2025.09.03 | 2 liga 2025 2 | 5.33 | 2025.09.03 Muc, Marcin (1135112) (2121) | 0 | - | 1. d4 d5 2. c4 e6 3. Nc3 Nf6 | |
| 2025.09.01 | 2 liga 2025 2 | 3.33 | 2025.09.01 Augustyn, Sebastian (1121677) (2073) | 0 | - | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 | |
| 2023.07.19 | Najdorf Memorial B | 9.18 | 2023.07.19 Posuniak, Weronika (1173006) (1949) | 0 | 82.80% | 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 | |
| 2023.07.16 | Najdorf Memorial B | 6.20 | 2023.07.16 Kasperkiewicz, Pawel (1106147) (1850) | ½ | 98.60% | 1. c4 b6 2. g3 Bb7 3. Nf3 c5 | |
| 2023.07.15 | Najdorf Memorial B | 5.19 | 2023.07.15 Choroszej, Aleksander (1140825) (1958) | ½ | 95.60% | 1. d4 Nf6 2. c4 e6 3. Nc3 d5 | |
| 2023.07.14 | Najdorf Memorial B | 4.14 | 2023.07.14 Bartodziej, Bartosz (21855366) (1840) | 0 | 90.50% | 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 | |
| 2023.07.13 | Najdorf Memorial B | 3.17 | 2023.07.13 Pires, Emanuel Joao Robarts (1914715) (1994) | 1 | 84.50% | 1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 | |
| 2023.07.11 | Najdorf Memorial B | 1.2 | 2023.07.11 Kitewski, Bartosz (21854491) (1971) | 0 | 81.60% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 |