Player profile
Mierzwinski, Wiktor
Dossier
7 of 10 games analyzed.
Accuracy: 88.2%
Opened d4: 4/4
Castled kingside: 5Same-side castling: 5Did not castle: 2
Played on the queenside: 3Played in the center: 3Fianchettoed kingside: 1Fianchettoed queenside: 1
Active pieces: 5Isolated pawn: 4Initiated exchanges: 4Missed tactics: 4Kept the bishop pair: 3Space advantage: 3Avoided exchanges: 3Played gambits: 1Sacrificed material: 1Backward pawn: 1
Openings
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As White 4 games 1W 1D 2L
Queen's Gambit Declined 2 games 0W 1D 1L
(unspecified) 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Vienna Variation 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
Anti-Benoni Variation
1 game
0W
0D
1L
King's Indian Defense 1 game 1W 0D 0L
Normal Variation 1 game 1W 0D 0L
King's Knight Variation
1 game
1W
0D
0L
As Black 6 games 0W 1D 5L
Sicilian Defense 2 games 0W 0D 2L
Alapin Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Grand Prix Attack 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Rapport-Jobava System 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
King's Indian Attack, with e6 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Italian Game 1 game 0W 0D 1L
Evans Gambit 1 game 0W 0D 1L
McDonnell Defense
1 game
0W
0D
1L
Vienna Game 1 game 0W 0D 1L
Paulsen Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Blunders Top 4 of 43
This player's costliest moves in analyzed games. Can you find the winning move?
Games Showing all 10 games
| Date | Event | Round | Color | Opponent | Result | Accuracy % | First moves |
|---|---|---|---|---|---|---|---|
| 2026.04.18 | EICC 2026 | 10.48 | 2026.04.18 Sopel, Jonatan Jan (41865251) (1438) | ½ | 95.20% | 1. Nc3 d5 2. d4 Nf6 3. Bf4 Bf5 | |
| 2026.04.16 | EICC 2026 | 9.57 | 2026.04.16 Guzik, Maria (91198992) | ½ | 94.30% | 1. d4 d5 2. c4 e6 3. Nf3 Nf6 | |
| 2026.04.15 | EICC 2026 | 8.58 | 2026.04.15 Jaworski, Pawel (91109833) (1564) | 0 | - | 1. Nf3 d5 2. g3 Nf6 3. Bg2 e6 | |
| 2026.04.14 | EICC 2026 | 7.58 | 2026.04.14 Krawczyk, Marcin (91116449) (1663) | 0 | 87.20% | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 | |
| 2026.04.13 | EICC 2026 | 6.52 | 2026.04.13 Was, Stanislaw (41819810) (1806) | 0 | 86.30% | 1. d4 Nf6 2. c4 c5 3. Nf3 cxd4 | |
| 2026.04.12 | EICC 2026 | 5.42 | 2026.04.12 Stierhof, Michael (34604405) (1993) | 0 | 89.90% | 1. e4 c5 2. c3 d6 3. d4 g6 | |
| 2026.04.10 | EICC 2026 | 4.64 | 2026.04.10 Klementys, Jerzy (1116061) (1733) | 1 | 81.40% | 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 | |
| 2026.04.10 | EICC 2026 | 3.64 | 2026.04.10 Konopka, Jeremie (640948) (1930) | 0 | - | 1. e4 c5 2. Nc3 Nc6 3. f4 d6 | |
| 2026.04.08 | EICC 2026 | 2.62 | 2026.04.08 Hury, Tymoteusz (21839328) (2115) | 0 | - | 1. e4 e5 2. Nc3 Nc6 3. g3 Bc5 | |
| 2026.04.07 | EICC 2026 | 1.61 | 2026.04.07 Vasynda, Oleksandr (14176297) (2306) | 0 | 83.10% | 1. d4 d5 2. c4 e6 3. Nf3 Nf6 |