Player profile
Siewert, Roman
Dossier
13 of 15 games analyzed.
Accuracy: 91.4%
Opened e4: 5/5
Castled kingside: 8Same-side castling: 7
Fianchettoed kingside: 4Played on the kingside: 2Played on the queenside: 2Fianchettoed queenside: 2Played in the center: 1
Active pieces: 6Backward pawn: 6Space advantage: 5Kept the bishop pair: 5Initiated exchanges: 4Sacrificed material: 3Isolated pawn: 2Missed tactics: 2Avoided exchanges: 2
Openings
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As White 6 games 4W 1D 1L
Caro-Kann Defense 2 games 0W 1D 1L
Exchange Variation 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Breyer Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Philidor Defense 1 game 1W 0D 0L
Exchange Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Sicilian Defense 1 game 1W 0D 0L
Closed 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Ruy Lopez 1 game 1W 0D 0L
Berlin Defense 1 game 1W 0D 0L
Anti-Berlin Variation
1 game
1W
0D
0L
Pirc Defense 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
As Black 4 games 1W 1D 2L
King's Indian Defense 3 games 0W 1D 2L
Fianchetto Variation 2 games 0W 0D 2L
Debrecen Defense
1 game
0W
0D
1L
Classical Main Line
1 game
0W
0D
1L
Averbakh Variation 1 game 0W 1D 0L
Benoni Defense, Advance Variation
1 game
0W
1D
0L
Indian Defense 1 game 1W 0D 0L
Accelerated London System 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Blunders Top 4 of 68
This player's costliest moves in analyzed games. Can you find the winning move?
Games Showing all 15 games
| Date | Event | Round | Color | Opponent | Result | Accuracy % | First moves |
|---|---|---|---|---|---|---|---|
| 2026.04.20 | Indywidualne Mistrzostwa Polski Seniorow 2026 - grupa 65+ | 9.4 | 2026.04.20 Ocytko, Andrzej (1101242) (1951) | ½ | - | 1. e4 c6 2. d4 d5 3. exd5 cxd5 | |
| 2026.04.19 | Indywidualne Mistrzostwa Polski Seniorow 2026 - grupa 65+ | 8.9 | 2026.04.19 Wysocki, Mieczyslaw (1174789) (1759) | 1 | 95.00% | 1. e4 e5 2. Nf3 d6 3. d4 exd4 | |
| 2026.04.18 | Indywidualne Mistrzostwa Polski Seniorow 2026 - grupa 65+ | 7.3 | 2026.04.18 Sokolowski, Ryszard (1103156) (2048) | 0 | - | 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 | |
| 2026.04.17 | Indywidualne Mistrzostwa Polski Seniorow 2026 - grupa 65+ | 6.7 | 2026.04.17 Olszowski, Andrzej (1137492) (1816) | 1 | 93.40% | 1. e4 c5 2. Nc3 e6 3. f4 d5 | |
| 2026.04.17 | Indywidualne Mistrzostwa Polski Seniorow 2026 - grupa 65+ | 5.5 | 2026.04.17 Czajkowski, Ryszard (1109898) (1950) | ½ | 89.30% | 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 | |
| 2026.04.16 | Indywidualne Mistrzostwa Polski Seniorow 2026 - grupa 65+ | 4.9 | 2026.04.16 Szymanski, Jan (21820139) (1764) | 1 | 91.10% | 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 | |
| 2026.04.15 | Indywidualne Mistrzostwa Polski Seniorow 2026 - grupa 65+ | 3.3 | 2026.04.15 Bugajski, Robert (1101528) (2028) | 0 | 87.40% | 1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 | |
| 2026.04.15 | Indywidualne Mistrzostwa Polski Seniorow 2026 - grupa 65+ | 2.12 | 2026.04.15 Plesiuk, Jan (1159380) (1637) | 1 | 94.50% | 1. d4 Nf6 2. Bf4 d6 3. c4 g6 | |
| 2026.04.14 | Indywidualne Mistrzostwa Polski Seniorow 2026 - grupa 65+ | 1.18 | 2026.04.14 Chodorowski, Wlodzimierz (41859227) (1618) | 1 | 92.30% | 1. e4 d6 2. d4 Nf6 3. Bd3 g6 | |
| 2025.07.01 | XXI Baltic Pearl Chess Festival Group C | 2.3 | 2025.07.01 Szczesniak, Konrad (1107992) (2043) | 0 | 88.20% | 1. e4 c6 2. d3 g6 3. Nf3 Bg7 | |
| 2023.06.17 | Mistrzostwa Polski Seniorow 2023 | 8.10 | 2023.06.17 Bugajski, Robert (1101528) (1909) | 0 | 88.60% | 1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 | |
| 2023.06.16 | Mistrzostwa Polski Seniorow 2023 | 7.8 | 2023.06.16 Bernat, Marcin (1101820) (1944) | ½ | 88.60% | 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 | |
| 2023.06.15 | Mistrzostwa Polski Seniorow 2023 | 5.5 | 2023.06.15 Czajkowski, Ryszard (1109898) (2025) | 0 | 85.80% | 1. e4 e6 2. d3 d5 3. Nd2 Nf6 | |
| 2023.06.14 | Mistrzostwa Polski Seniorow 2023 | 4.8 | 2023.06.14 Suchocki, Tomasz (1144014) (1950) | 1 | 92.10% | 1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 | |
| 2023.06.12 | Mistrzostwa Polski Seniorow 2023 | 2.8 | 2023.06.12 Brylowski, Stefan (21824126) (1943) | 0 | 82.10% | 1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 |