Player profile
Pierzak, Rafael
Dossier
50 of 53 games analyzed.
Accuracy: 90.4%
Opened e4: 8/19Opened d4: 6/19Opened c4: 4/19Opened b3: 1/19
Castled kingside: 33Same-side castling: 31Did not castle: 4Castled queenside: 4Opposite-side castling: 2
Played in the center: 16Fianchettoed kingside: 14Played on the kingside: 12Fianchettoed queenside: 6Played on the queenside: 5
Active pieces: 32Kept the bishop pair: 24Space advantage: 21Initiated exchanges: 21Sacrificed material: 19Backward pawn: 18Isolated pawn: 17Missed tactics: 11Avoided exchanges: 9Played gambits: 3
Openings
Click "+" to add that group to the games list below. Multiple groups can be added at once.
As White 21 games 9W 8D 2L
Sicilian Defense 5 games 2W 2D 1L
Old Sicilian 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Smith-Morra Gambit Declined 1 game 1W 0D 0L
Center Formation
1 game
1W
0D
0L
Closed 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Modern Variations 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Hyperaccelerated Dragon 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
English Opening 4 games 1W 2D 0L
Symmetrical Variation 1 game 0W 1D 0L
Three Knights, Fianchetto Variation
1 game
0W
1D
0L
Caro-Kann Defensive System 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
King's English Variation 1 game 0W 0D 0L
Closed System, Full Symmetry
1 game
0W
0D
0L
Anglo-Indian Defense 1 game 0W 1D 0L
Queen's Knight Variation
1 game
0W
1D
0L
French Defense 2 games 1W 1D 0L
Winawer Variation 1 game 1W 0D 0L
Maróczy-Wallis Variation
1 game
1W
0D
0L
King's Indian Attack 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
King's Indian Defense 2 games 1W 1D 0L
Sämisch Variation 1 game 1W 0D 0L
Normal Defense
1 game
1W
0D
0L
Semi-Classical Variation 1 game 0W 1D 0L
Hollywood Variation
1 game
0W
1D
0L
Englund Gambit 1 game 0W 0D 1L
Hartlaub-Charlick Gambit 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Nimzo-Larsen Attack 1 game 1W 0D 0L
Indian Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Queen's Gambit Declined 1 game 0W 0D 0L
Three Knights Variation 1 game 0W 0D 0L
(unspecified)
1 game
0W
0D
0L
Ware Opening 1 game 1W 0D 0L
Symmetric Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Bogo-Indian Defense 1 game 0W 1D 0L
Retreat Variation 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Indian Defense 1 game 0W 1D 0L
Spielmann-Indian 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Italian Game 1 game 1W 0D 0L
Deutz Gambit 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Semi-Slav Defense 1 game 1W 0D 0L
Normal Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
As Black 23 games 7W 6D 10L
Scandinavian Defense 6 games 1W 2D 3L
Gubinsky-Melts Defense 4 games 0W 1D 3L
(unspecified)
4 games
0W
1D
3L
Classical Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Mieses-Kotroc Variation 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
English Opening 3 games 1W 1D 1L
Symmetrical Variation 1 game 0W 1D 0L
Botvinnik System Reversed, with e3
1 game
0W
1D
0L
Agincourt Defense 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Carls-Bremen System 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Petrov's Defense 2 games 1W 0D 1L
(unspecified) 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Paulsen Attack 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
King's Indian Defense 2 games 1W 1D 0L
Karpov System 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Fianchetto Variation 1 game 0W 1D 0L
Delayed Fianchetto
1 game
0W
1D
0L
Zukertort Opening 2 games 1W 0D 1L
(unspecified) 2 games 1W 0D 1L
(unspecified)
2 games
1W
0D
1L
Bishop's Opening 1 game 0W 0D 1L
Vienna Hybrid 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Queen's Pawn Game 1 game 1W 0D 0L
Accelerated London System 1 game 1W 0D 0L
Steinitz Countergambit
1 game
1W
0D
0L
Hungarian Opening 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Nimzo-Larsen Attack 1 game 0W 0D 1L
Modern Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Polish Opening 1 game 0W 1D 0L
Outflank Variation 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
French Defense 1 game 0W 1D 0L
Exchange Variation 1 game 0W 1D 0L
Monte Carlo Variation
1 game
0W
1D
0L
Pirc Defense 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Sicilian Defense 1 game 0W 0D 1L
Kan Variation 1 game 0W 0D 1L
Polugaevsky Variation
1 game
0W
0D
1L
Blunders Top 4 of 206
This player's costliest moves in analyzed games. Can you find the winning move?
Games Showing all 53 games
| Date | Event | Round | Color | Opponent | Result | Accuracy % | First moves |
|---|---|---|---|---|---|---|---|
| 2026.09.02 | II Liga 2026 | 5.71 | 2026.09.02 Nowakowski, Jacek (1168495) (1670) | 0 | 79.00% | 1. d4 e5 2. dxe5 d6 3. Nf3 Bg4 | |
| 2026.08.30 | II Liga 2026 | 2.29 | 2026.08.30 Rzenca, Jerzy (21808538) (1929) | 0 | - | 1. e4 e5 2. Bc4 Nf6 3. d3 Nc6 | |
| 2026.08.29 | II Liga 2026 | 1.17 | 2026.08.29 Wolcyrz, Jakub (21861323) (1815) | 0 | 86.10% | 1. e4 c5 2. Nf3 Nc6 3. d3 e6 | |
| 2026.08.07 | Open C | 9.15 | 2026.08.07 Grabowski, Jan (91101344) (1634) | 1 | 93.30% | 1. d4 d5 2. Bf4 c5 3. e3 Qb6 | |
| 2026.08.06 | Open C | 8.23 | 2026.08.06 Kacprzak, Wojciech (545061092) (1565) | 1 | 96.10% | 1. e4 c5 2. d4 cxd4 3. c3 e5 | |
| 2026.08.05 | Open C | 7.13 | 2026.08.05 Oliwkiewicz, Franciszek (21092133) (1637) | 0 | 85.90% | 1. e4 e5 2. Nf3 Nf6 3. d3 Nc6 | |
| 2026.08.04 | Open C | 6.10 | 2026.08.04 Brejcha, Lukas (23725320) (1646) | ½ | 94.00% | 1. c4 c5 2. Nc3 g6 3. g3 Bg7 | |
| 2026.08.03 | Open C | 5.24 | 2026.08.03 Piotrowska, Jadwiga (41880544) (1599) | 1 | 97.20% | 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 | |
| 2026.08.03 | Open C | 4.15 | 2026.08.03 Buczek, Igor (91115736) (1603) | ½ | 94.10% | 1. e4 c5 2. Nc3 g6 3. f4 Bg7 | |
| 2026.08.02 | Open C | 3.17 | 2026.08.02 Worek, Maciej (91151236) (1619) | ½ | 96.60% | 1. c4 c5 2. Nc3 Nc6 3. g3 g6 | |
| 2026.08.01 | Open C | 1.2 | 2026.08.01 Studzinski, David (376027) (1536) | ½ | 97.30% | 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 | |
| 2026.04.19 | new tournament description | 9.4 | 2026.04.19 Pietras, Maksymilian (21834920) (1840) | 1 | 93.20% | 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 | |
| 2026.04.18 | new tournament description | 8.5 | 2026.04.18 Kilianczyk, Jakub (21062757) (1889) | 1 | 91.90% | 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 | |
| 2026.04.17 | new tournament description | 7.10 | 2026.04.17 Kuriata, Karol (21088071) (1653) | 1 | 94.10% | 1. b3 Nf6 2. Bb2 e6 3. e3 c5 | |
| 2026.04.16 | new tournament description | 6.11 | 2026.04.16 Goluch, Bartosz (21820929) (1688) | ½ | 94.20% | 1. e4 d5 2. exd5 Qxd5 3. d4 Nf6 | |
| 2026.04.14 | new tournament description | 5.14 | 2026.04.14 Lopusiewicz, Marta (41813766) (1616) | 1 | 88.80% | 1. c4 c6 2. g3 d5 3. cxd5 cxd5 | |
| 2026.04.14 | new tournament description | 4.5 | 2026.04.14 Wieczorek, Jakub | 0 | 86.40% | 1. g3 d5 2. Bg2 e5 3. c3 Nf6 | |
| 2026.04.13 | new tournament description | 3.14 | 2026.04.13 Trystula, Maciej (1158341) (1615) | * | - | 1. d4 d5 2. Nf3 Nf6 3. c4 e6 | |
| 2026.04.12 | new tournament description | 2.3 | 2026.04.12 Kopacz, Mikolaj (21047723) (1857) | 0 | 86.20% | 1. b3 e5 2. Bb2 Nc6 3. e3 d6 | |
| 2026.04.11 | new tournament description | 1.22 | 2026.04.11 Baj, Lukasz (41842162) (1601) | 1 | - | 1. a4 a5 2. b4 b5 | |
| 2025.04.13 | Columbus Mistrzostwa Polski Amatorów - do 1900 FIDE | 9.6 | 2025.04.13 Wawrzyniak, Wojciech (21070628) (1734) | 0 | 87.90% | 1. Nf3 Nf6 2. g3 b6 3. Bg2 Bb7 | |
| 2025.04.12 | Columbus Mistrzostwa Polski Amatorów - do 1900 FIDE | 8.9 | 2025.04.12 Klonowski, Arkadiusz (1185276) (1751) | 1 | 92.60% | 1. e4 e6 2. d4 d5 3. Nc3 Bb4 | |
| 2025.04.12 | Columbus Mistrzostwa Polski Amatorów - do 1900 FIDE | 7.7 | 2025.04.12 Mackowiak, Martin (21093008) (1779) | ½ | 95.10% | 1. b4 c6 2. Bb2 a5 3. bxa5 Qxa5 | |
| 2025.04.10 | Columbus Mistrzostwa Polski Amatorów - do 1900 FIDE | 6.11 | 2025.04.10 Kruszynski, Lukasz (21832633) (1620) | 1 | 95.90% | 1. e4 c5 2. Nf3 d6 3. d3 Nc6 | |
| 2025.04.07 | Columbus Mistrzostwa Polski Amatorów - do 1900 FIDE | 3.8 | 2025.04.07 Shakhnovich, Uladzislau (13530917) (1796) | 0 | 85.30% | 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 | |
| 2025.04.06 | Columbus Mistrzostwa Polski Amatorów - do 1900 FIDE | 2.2 | 2025.04.06 Bajno, Adam (41836464) (1824) | ½ | 91.70% | 1. d4 Nf6 2. Nf3 d5 3. c4 e6 | |
| 2024.08.17 | Open C | 9.3 | 2024.08.17 Marekwica, Dawid (21027684) (1591) | ½ | 90.50% | 1. e4 c5 2. Nf3 g6 3. g3 Bg7 | |
| 2024.08.16 | Open C | 8.1 | 2024.08.16 Bialek, Alicja (21836345) (1695) | 0 | 92.20% | 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 | |
| 2024.08.15 | Open C | 7.1 | 2024.08.15 Slobodzian, Mikolaj (21046670) (1635) | * | 89.20% | 1. c4 e5 2. Nc3 Nc6 3. g3 d6 | |
| 2024.08.14 | Open C | 6.1 | 2024.08.14 Ilski, Franciszek (21058660) (1564) | ½ | 93.00% | 1. e4 e6 2. d4 d5 3. exd5 exd5 | |
| 2024.08.13 | Open C | 5.1 | 2024.08.13 Kolasinski, Kamil (21006318) (1740) | ½ | 94.00% | 1. d4 Nf6 2. Nf3 c5 3. g3 g6 | |
| 2024.08.12 | Open C | 4.1 | 2024.08.12 Skorek, Kasper (41846486) (1616) | 1 | 86.60% | 1. e4 d6 2. d4 Nf6 3. Nc3 e5 | |
| 2024.08.12 | Open C | 3.1 | 2024.08.12 Zahorodny, Zbigniew (1148656) (1595) | 1 | 88.80% | 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 | |
| 2024.08.11 | Open C | 2.1 | 2024.08.11 Szachniewicz, Aleksander (21084742) (1554) | 1 | 86.10% | 1. c4 e6 2. Nc3 d5 3. cxd5 exd5 | |
| 2024.08.10 | Open C | 1.1 | 2024.08.10 Mroz, Aleksandra (21092435) (1485) | 1 | 82.30% | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 | |
| 2024.04.21 | MPA 1820 2024 | 9.5 | 2024.04.21 Iwan, Patryk (41812239) (1815) | ½ | 94.70% | 1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 | |
| 2024.04.20 | MPA 1820 2024 | 8.5 | 2024.04.20 Hombek, Mariusz (1164252) (1531) | ½ | 94.60% | 1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 | |
| 2024.04.19 | MPA 1820 2024 | 7.5 | 2024.04.19 Pietras, Maksymilian (21834920) (1733) | ½ | 92.90% | 1. d4 Nf6 2. Nf3 d6 3. c4 g6 | |
| 2024.04.19 | MPA 1820 2024 | 7.5 | 2024.04.19 Pietras, Maksymilian (21834920) (1733) | 0 | 78.70% | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 | |
| 2024.04.17 | MPA 1820 2024 | 5.5 | 2024.04.17 Czepczynski, Boguslaw (1771) | 0 | 86.60% | 1. c4 e5 2. Nc3 Nf6 3. g3 Nc6 | |
| 2024.04.16 | MPA 1820 2024 | 4.8 | 2024.04.16 Warsinski, Pawel (21035679) (1701) | 1 | 92.50% | 1. d4 Nf6 2. Nf3 e6 3. c4 d5 | |
| 2024.04.15 | MPA 1820 2024 | 3.4 | 2024.04.15 Haluja, Wiktor (21068399) (1756) | 0 | 85.70% | 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 | |
| 2024.04.14 | MPA 1820 2024 | 2.1 | 2024.04.14 Stepien, Janusz (1732) | ½ | 91.70% | 1. e4 e6 2. d3 d5 3. Nd2 Nf6 | |
| 2024.04.13 | MPA 1820 2024 | 1.1 | 2024.04.13 Olej, Dariusz (1162691) (1692) | 1 | 81.60% | 1. Nf3 Nf6 2. Na3 d5 3. d4 e6 | |
| 61. Miedzynarodowy Festiwal Szachowy im. Akiby Rubinsteina - OPEN D | 9.2 | Fajks, Julian (41861574) (1698) | 0 | 82.00% | 1. e4 c6 2. d4 d5 3. Nc3 dxe4 | ||
| 61. Miedzynarodowy Festiwal Szachowy im. Akiby Rubinsteina - OPEN D | 8.4 | Narwojsz, Helena (21066396) (1568) | 1 | 90.40% | 1. e4 e6 2. Nf3 d5 3. Nc3 dxe4 | ||
| 61. Miedzynarodowy Festiwal Szachowy im. Akiby Rubinsteina - OPEN D | 7.9 | Krakowiak, Nikodem (91119537) (1603) | 1 | 95.70% | 1. d4 Nf6 2. c4 d6 3. Nf3 Nbd7 | ||
| 61. Miedzynarodowy Festiwal Szachowy im. Akiby Rubinsteina - OPEN D | 6.5 | Wozniak, Gabriel (41817494) (1650) | ½ | 82.30% | 1. e4 e6 2. d3 d5 3. Nd2 Nf6 | ||
| 61. Miedzynarodowy Festiwal Szachowy im. Akiby Rubinsteina - OPEN D | 5.12 | Janeczek, Maksymilian (21082545) (1636) | 1 | 93.80% | 1. e4 c6 2. d4 d5 3. exd5 cxd5 | ||
| 61. Miedzynarodowy Festiwal Szachowy im. Akiby Rubinsteina - OPEN D | 4.8 | Skorupa, Antonina (21040222) (1623) | ½ | 89.90% | 1. c4 c6 2. Nc3 d5 3. d4 Nf6 | ||
| 61. Miedzynarodowy Festiwal Szachowy im. Akiby Rubinsteina - OPEN D | 3.5 | Twardziak, Jerzy (21881278) (1636) | ½ | 97.00% | 1. b4 e5 2. Bb2 Bxb4 3. Bxe5 Nf6 | ||
| 61. Miedzynarodowy Festiwal Szachowy im. Akiby Rubinsteina - OPEN D | 2.11 | Bojczuk, Radoslaw (41885260) (1582) | 1 | 90.20% | 1. c4 e5 2. Nc3 Nf6 3. g3 d5 | ||
| 61. Miedzynarodowy Festiwal Szachowy im. Akiby Rubinsteina - OPEN D | 1.14 | Ryba, Jakub (1504) | 1 | 96.50% | 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 |