Player profile
Maciejewski, Iwo
Dossier
15 of 17 games analyzed.
Accuracy: 90.9%
Opened e4: 5/5
Castled kingside: 11Same-side castling: 9Opposite-side castling: 3Castled queenside: 2Did not castle: 1
Fianchettoed kingside: 8Played in the center: 7Played on the kingside: 3Fianchettoed queenside: 1Played on the queenside: 1
Active pieces: 13Sacrificed material: 9Initiated exchanges: 9Space advantage: 7Backward pawn: 6Isolated pawn: 6Played gambits: 4Kept the bishop pair: 4Avoided exchanges: 3Missed tactics: 3
Openings
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As White 6 games 3W 1D 2L
Sicilian Defense 5 games 3W 1D 1L
Najdorf Variation 2 games 1W 1D 0L
Main Line
1 game
0W
1D
0L
Zagreb Variation
1 game
1W
0D
0L
O'Kelly Variation 1 game 1W 0D 0L
Venice System
1 game
1W
0D
0L
Kramnik Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Hyperaccelerated Dragon 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
English Opening 1 game 0W 0D 1L
Symmetrical Variation 1 game 0W 0D 1L
Botvinnik System
1 game
0W
0D
1L
As Black 10 games 4W 3D 3L
Sicilian Defense 6 games 2W 2D 2L
O'Kelly Variation 3 games 1W 1D 1L
Venice System
2 games
1W
1D
0L
Réti System
1 game
0W
0D
1L
Staunton-Cochrane Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Hyperaccelerated Dragon 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Lasker-Pelikan Variation 1 game 0W 1D 0L
Exchange Variation
1 game
0W
1D
0L
Benko Gambit 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Dutch Defense 1 game 1W 0D 0L
Queen's Knight Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Englund Gambit 1 game 0W 1D 0L
Hartlaub-Charlick Gambit 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Italian Game 1 game 1W 0D 0L
Classical Variation 1 game 1W 0D 0L
Greco Gambit, Traditional Line
1 game
1W
0D
0L
Blunders Top 4 of 80
This player's costliest moves in analyzed games. Can you find the winning move?
Games Showing all 17 games
| Date | Event | Round | Color | Opponent | Result | Accuracy % | First moves |
|---|---|---|---|---|---|---|---|
| 2026.06.05 | mwj sypniewo c13 | 4.2 | 2026.06.05 Sewohl, Michal (41852591) (1778) | ½ | 91.00% | 1. e4 c5 2. Nf3 a6 3. c3 g6 | |
| 2026.06.03 | mwj sypniewo c13 | 9.1 | 2026.06.03 Kilarski, Kacper (41813367) (1875) | 0 | 91.70% | 1. d4 Nf6 2. c4 c5 3. d5 b5 | |
| 2026.06.03 | mwj sypniewo c13 | 6.1 | 2026.06.03 Szeszycki, Jan (41813430) (1977) | 0 | 86.80% | 1. e4 c5 2. Nf3 a6 3. g3 Nc6 | |
| 2025.06.14 | MWJ | 8.2 | 2025.06.14 Szeszycki, Jan (41813430) (1892) | ½ | 95.50% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2025.06.13 | MWJ | 6.3 | 2025.06.13 Uryga, Marcin (21082413) (1604) | 1 | - | 1. e4 c5 2. Nf3 a6 3. c3 e6 | |
| 2025.06.13 | MWJ | 5.5 | 2025.06.13 Trzcinski, Wojciech (41856899) (1482) | 1 | 94.00% | 1. d4 f5 2. c4 Nf6 3. Nc3 g6 | |
| 2025.06.12 | MWJ | 4.6 | 2025.06.12 Zielinowski, Witold (21036020) (1440) | 1 | 92.70% | 1. e4 c5 2. Nf3 e6 3. c4 d6 | |
| 2025.06.12 | MWJ | 3.8 | 2025.06.12 Mazurek, Antoni (41883446) | 1 | 91.00% | 1. e4 c5 2. Nf3 a6 3. c3 g6 | |
| 2025.06.11 | MWJ | 9.1 | 2025.06.11 Sewohl, Michal (41852591) (1683) | 0 | 77.20% | 1. e4 c5 2. Nf3 g6 3. d4 cxd4 | |
| 2025.06.11 | MWJ | 7.1 | 2025.06.11 Kilarski, Kacper (41813367) (1761) | ½ | 88.10% | 1. d4 e5 2. dxe5 d6 3. Nf3 Nc6 | |
| 2025.06.11 | MWJ | 2.6 | 2025.06.11 Wyszkowski, Adam (41853261) (1466) | 0 | 91.30% | 1. e4 c5 2. c4 Nc6 3. Nc3 g6 | |
| 2025.06.11 | MWJ | 1.7 | 2025.06.11 Radwanski, Oliwier (21024448) | 1 | - | 1. e4 c5 2. c4 Nc6 3. Nc3 d6 | |
| 2024.06.03 | xd | 9.3 | 2024.06.03 Gorecki, Adam (1471) | 1 | 98.60% | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 | |
| 2024.06.02 | xd | 7.1 | 2024.06.02 Szeszycki, Jan (41813430) (1600) | 0 | 90.20% | 1. e4 c5 2. Nf3 g6 3. d4 cxd4 | |
| 2024.06.01 | xd | 6.3 | 2024.06.01 Gorgolewski, Igor (41843827) (1428) | 1 | 94.40% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2024.05.30 | xd | 1.2 | 2024.05.30 Wyszkowski, Adam (41853261) | ½ | 89.90% | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 | |
| Mistrzostwa Polski Juniorów w szachach b?yskawicznych C12 | 13.11 | Zajadlak, Milosz (21082782) (1819) | 1 | 67.20% | 1. e4 c6 2. d4 d5 3. e5 c5 |