Player profile
Michalczak, Thomas
Dossier
41 of 42 games analyzed.
Accuracy: 90.1%
Opened e4: 14/18Opened d4: 4/18
Castled kingside: 23Same-side castling: 22Did not castle: 8Castled queenside: 4Opposite-side castling: 2
Played in the center: 19Fianchettoed queenside: 10Played on the kingside: 8Fianchettoed kingside: 6Played on the queenside: 4
Active pieces: 29Sacrificed material: 25Initiated exchanges: 23Backward pawn: 20Kept the bishop pair: 19Space advantage: 18Isolated pawn: 14Missed tactics: 9Played gambits: 6Avoided exchanges: 5
Openings
Click "+" to add that group to the games list below. Multiple groups can be added at once.
As White 19 games 9W 5D 4L
Sicilian Defense 7 games 3W 3D 1L
Alapin Variation 4 games 2W 2D 0L
(unspecified)
3 games
1W
2D
0L
Smith-Morra Declined
1 game
1W
0D
0L
Najdorf Variation 2 games 1W 0D 1L
(unspecified)
2 games
1W
0D
1L
(unspecified) 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Caro-Kann Defense 2 games 1W 0D 1L
Tartakower Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Advance Variation 1 game 0W 0D 1L
Tal Variation
1 game
0W
0D
1L
Ruy Lopez 2 games 1W 1D 0L
Closed 2 games 1W 1D 0L
Martinez Variation
1 game
1W
0D
0L
Breyer Defense, Zaitsev Hybrid
1 game
0W
1D
0L
Nimzo-Indian Defense 2 games 1W 0D 1L
Classical Variation 1 game 1W 0D 0L
Noa Variation
1 game
1W
0D
0L
Normal Variation 1 game 0W 0D 1L
Gligoric System, Exchange Variation
1 game
0W
0D
1L
East Indian Defense 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Queen's Pawn Game 1 game 0W 0D 0L
Colle System 1 game 0W 0D 0L
(unspecified)
1 game
0W
0D
0L
French Defense 1 game 1W 0D 0L
Winawer Variation 1 game 1W 0D 0L
Advance Variation
1 game
1W
0D
0L
Rapport-Jobava System 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Modern Defense 1 game 1W 0D 0L
Standard Defense 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Tarrasch Defense 1 game 1W 0D 0L
Two Knights Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
As Black 17 games 7W 6D 4L
Ruy Lopez 4 games 2W 1D 1L
Morphy Defense 1 game 1W 0D 0L
Schliemann Defense Deferred
1 game
1W
0D
0L
Open 1 game 0W 1D 0L
Classical Defense, Main Line
1 game
0W
1D
0L
Closed 1 game 0W 0D 1L
Anti-Marshall
1 game
0W
0D
1L
Marshall Attack 1 game 1W 0D 0L
Modern Variation
1 game
1W
0D
0L
Queen's Gambit Declined 2 games 1W 1D 0L
Tarrasch Defense 1 game 0W 1D 0L
Pseudo-Tarrasch
1 game
0W
1D
0L
Cambridge Springs Defense 1 game 1W 0D 0L
Bogoljubow Variation
1 game
1W
0D
0L
Caro-Kann Defense 2 games 2W 0D 0L
Advance Variation 1 game 1W 0D 0L
Bayonet Attack
1 game
1W
0D
0L
Exchange Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Bird Opening 1 game 0W 1D 0L
Dutch Variation 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Bishop's Opening 1 game 0W 0D 1L
Vienna Hybrid 1 game 0W 0D 1L
Spielmann Attack
1 game
0W
0D
1L
King's Gambit Accepted 1 game 1W 0D 0L
Quaade Gambit 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Queen's Pawn Game 1 game 0W 0D 1L
London System 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Sicilian Defense 1 game 0W 1D 0L
O'Kelly Variation 1 game 0W 1D 0L
Venice System
1 game
0W
1D
0L
Dutch Defense 1 game 0W 1D 0L
Rubinstein Variation 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Benko Gambit Accepted 1 game 0W 0D 1L
Modern Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Indian Defense 1 game 1W 0D 0L
Przepiorka Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Rapport-Jobava System 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Blunders Top 4 of 159
This player's costliest moves in analyzed games. Can you find the winning move?
Games Showing all 42 games
| Date | Event | Round | Color | Opponent | Result | Accuracy % | First moves |
|---|---|---|---|---|---|---|---|
| øøøø.øø.øø | Grenke Open | 9.20 | øøøø.øø.øø Hulka, Valentyn (34107061) (2349) | ½ | 93.40% | 1. d4 d5 2. Nf3 Nf6 3. c3 c5 | |
| øøøø.øø.øø | Grenke Open | 8.16 | øøøø.øø.øø Zeller, Frank (4613007) (2340) | ½ | 99.90% | 1. Nf3 d5 2. g3 Nc6 3. d4 Bf5 | |
| øøøø.øø.øø | Grenke Open | 7.23 | øøøø.øø.øø Reimann, Sebastian (12928054) (2348) | ½ | 93.40% | 1. d4 d5 2. Nf3 Nf6 3. c3 e6 | |
| 2026.10.23 | Runde 8: Hess, Juergen - Michalczak, Thomas | 8.19 | 2026.10.23 Hess, Juergen (24668664) (1993) | 1 | 97.80% | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 | |
| 2026.10.22 | Runde 7: Michalczak, Thomas - Neumann, Helena | 7.26 | 2026.10.22 Neumann, Helena (16275365) (1958) | 1 | 98.30% | 1. e4 c6 2. d4 d5 3. Nc3 dxe4 | |
| 2026.10.21 | Runde 6: Woestmann, Ulrich - Michalczak, Thomas | 6.26 | 2026.10.21 Woestmann, Ulrich (4675533) (1998) | ½ | 87.10% | 1. f4 d5 2. Nf3 Nf6 3. g3 g6 | |
| 2026.10.20 | Runde 5: Michalczak, Thomas - Molinaroli, Martin | 5.13 | 2026.10.20 Molinaroli, Martin (4606604) (2086) | 0 | 86.00% | 1. d4 Nf6 2. Nf3 g6 3. Nbd2 d5 | |
| 2026.10.18 | Runde 3: Michalczak, Thomas - Sharan, Rao | 3.6 | 2026.10.18 Sharan, Rao (5073464) (2322) | * | - | 1. d4 Nf6 2. Nf3 d5 3. e3 e6 | |
| 2026.07.24 | Round 8: Michalczak, Thomas - Khachatryan, Taron | 8.11 | 2026.07.24 Khachatryan, Taron (16216598) (2307) | 1 | 94.60% | 1. e4 c5 2. c3 Nf6 3. e5 Nd5 | |
| 2026.07.23 | Round 7: Malinowsky, Levi - Michalczak, Thomas | 6.13 | 2026.07.23 Malinowsky, Levi (16253094) (2342) | ½ | 96.00% | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 | |
| 2026.07.22 | Round 6: Michalczak, Thomas - Peglau, Paul David | 7.13 | 2026.07.22 Peglau, Paul David (16290550) (2139) | 1 | 91.80% | 1. e4 e6 2. d4 d5 3. Nc3 Bb4 | |
| 2026.07.22 | Round 5: Vyval, Volodymyr - Michalczak, Thomas | 5.11 | 2026.07.22 Vyval, Volodymyr (14121530) (2300) | 0 | 79.90% | 1. e4 e5 2. Bc4 Nf6 3. d3 Bc5 | |
| 2026.07.21 | Round 4: Michalczak, Thomas - Kardoeus, David | 4.16 | 2026.07.21 Kardoeus, David (12912050) (2162) | 1 | 97.80% | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 | |
| 2026.07.20 | Round 3: Lukas Schulz - Michalczak, Thomas | 3.18 | 2026.07.20 Schulz, Lukas (12924881) (2349) | 1 | 82.00% | 1. e4 e5 2. f4 exf4 3. Nf3 g5 | |
| 2026.07.20 | Round 2: Moeller, Maurin - Michalczak, Thomas | 2.15 | 2026.07.20 Moeller, Maurin (16265696) (2301) | 0 | 91.20% | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 | |
| 2026.07.19 | Round 1: Michalczak, Thomas - Ehmann, Thilo | 1.9 | 2026.07.19 Ehmann, Thilo (12940968) (2353) | 0 | 92.50% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2026.05.16 | new tournament description | 6.3 | 2026.05.16 Korchynskyi, Mykola (34138005) (2433) | 0 | 83.30% | 1. d4 d5 2. Nf3 Nf6 3. Bf4 e6 | |
| 2026.05.09 | new tournament description | 4.1 | 2026.05.09 Hausrath, Daniel (4617495) (2452) | ½ | 92.30% | 1. d4 d5 2. Nc3 Nf6 3. Bf4 a6 | |
| 2025.10.18 | Runde 9: Michalczak, Thomas - Wichtrup, Jan-Louis | 9.5 | 2025.10.18 Wichtrup, Jan-Louis (16229355) (2120) | 1 | 92.70% | 1. e4 d6 2. d4 g6 3. Nc3 Bg7 | |
| 2025.10.17 | Runde 8: Bade, Deniz - Michalczak, Thomas | 8.10 | 2025.10.17 Bade, Deniz (34605959) (2060) | 1 | 96.10% | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 | |
| 2025.10.16 | Runde 7: Michalczak, Thomas - Riechenberg, Sebastian | 7.6 | 2025.10.16 Riechenberg, Sebastian (34605231) (2073) | ½ | 71.30% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2025.10.15 | Runde 6: Hendler, Markus - Michalczak, Thomas | 6.7 | 2025.10.15 Hendler, Markus (34616497) (1890) | ½ | 95.70% | 1. e4 c5 2. Nf3 a6 3. c3 d5 | |
| 2025.10.14 | Runde 5: Michalczak, Thomas - Jansen, Dirk | 5.11 | 2025.10.14 Jansen, Dirk (34610790) (2019) | 1 | 86.30% | 1. d4 e6 2. c4 d5 3. Nc3 c5 | |
| 2025.10.13 | Runde 4: Sunko, Sviatoslav - Michalczak, Thomas | 4.11 | 2025.10.13 Sunko, Sviatoslav (34633642) (2071) | ½ | 90.90% | 1. d4 e6 2. c4 f5 3. Nc3 Nf6 | |
| 2025.10.12 | Runde 3: Michalczak, Thomas - Woestmann, Ulrich | 3.16 | 2025.10.12 Woestmann, Ulrich (4675533) (2016) | 1 | 92.20% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2025.10.12 | Runde 2: Georg, Felix - Michalczak, Thomas | 2.16 | 2025.10.12 Georg, Felix (16233204) (2029) | ½ | 85.60% | 1. d4 d5 2. c4 e6 3. Nf3 c5 | |
| 2025.10.11 | Runde 1: Michalczak, Thomas - Merz, Martin | 1.8 | 2025.10.11 Merz, Martin (4603834) (2021) | ½ | 93.20% | 1. e4 c5 2. c3 Nf6 3. e5 Nd5 | |
| 2025.02.23 | Round 9: Vetoshko, Volodymyr - Michalczak, Thomas | 9.15 | 2025.02.23 Vetoshko, Volodymyr (14122480) (2529) | 0 | 79.80% | 1. d4 Nf6 2. c4 c5 3. d5 b5 | |
| 2025.02.22 | Round 8: Michalczak, Thomas - Joachim, Sven | 8.7 | 2025.02.22 Joachim, Sven (4628594) (2405) | ½ | 94.30% | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 | |
| 2024.10.19 | Round 9: Michalczak, Thomas - Weidemann, Jakob | 9.6 | 2024.10.19 Weidemann, Jakob (16255470) (2217) | 1 | 96.70% | 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 | |
| 2024.10.18 | Round 8: Kvantaliani, Saba - Michalczak, Thomas | 8.13 | 2024.10.18 Kvantaliani, Saba (16284364) (1980) | 1 | 81.30% | 1. e4 c6 2. d4 d5 3. e5 Bf5 | |
| 2024.10.17 | Round 7: Michalczak, Thomas - Menzel, Maximilian | 7.5 | 2024.10.17 Menzel, Maximilian (34617280) (2086) | 0 | 90.30% | 1. e4 c6 2. d4 d5 3. exd5 cxd5 | |
| 2024.10.16 | Round 6: Schalow, Daniel - Michalczak, Thomas | 6.9 | 2024.10.16 Schalow, Daniel (4644115) (2041) | 1 | 96.60% | 1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 | |
| 2024.10.15 | Round 5: Michalczak, Thomas - Schmitzer, Klaus | 5.4 | 2024.10.15 Schmitzer, Klaus (4601971) (2140) | 0 | 82.70% | 1. e4 c6 2. d4 d5 3. e5 Bf5 | |
| 2024.10.14 | Round 4: Sepe, Giovanni Paolo - Michalczak, Thomas | 4.8 | 2024.10.14 Sepe, Giovanni Paolo (34631909) (1904) | 1 | 96.50% | 1. e4 c6 2. d4 d5 3. exd5 cxd5 | |
| 2024.10.13 | Round 3: Michalczak, Thomas - Hidding, Yannick | 3.5 | 2024.10.13 Hidding, Yannick (16251300) (1884) | ½ | 88.00% | 1. e4 c5 2. c3 Nf6 3. e5 Nd5 | |
| 2024.10.13 | Round 2: Bennemann, Ingmar - Michalczak, Thomas | 2.8 | 2024.10.13 Bennemann, Ingmar (4691970) (2045) | 1 | 93.40% | 1. d4 Nf6 2. Nf3 d5 3. c4 e6 | |
| 2024.10.12 | Round 1: Michalczak, Thomas - Weisskopf, Lutz | 1.10 | 2024.10.12 Weisskopf, Lutz (4674626) (1990) | 1 | 96.00% | 1. e4 c5 2. c3 b6 3. d4 Bb7 | |
| Round 8: Gloeckler, Christian - Michalczak, Thomas | 8.16 | Gloeckler, Christian (34608966) (2446) | 0 | 89.80% | 1. Nf3 d5 2. e3 Nf6 3. c4 e6 | ||
| Round 4: Michalczak, Thomas - Liu, Yan | 4.17 | Liu, Yan (8608962) (2531) | 0 | 85.40% | 1. e4 c5 2. c3 d5 3. exd5 Qxd5 | ||
| Round 2: Klimkowski, Jan - Michalczak, Thomas | 2.10 | Klimkowski, Jan (21856222) (2517) | 0 | 91.50% | 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 | ||
| 2023.12.17 | Round 3: Daniel A2: Lichtmannecker - Thomas Michalczak | 2023.12.17 Daniel A2: Lichtmannecker | ½ | 84.70% | 1. d4 Nf6 2. Nc3 d5 3. Bf4 a6 |