Player profile
Kozlek, Tommy
Dossier
37 of 41 games analyzed.
Accuracy: 88.6%
Opened Nf3: 7/13Opened e4: 6/13
Castled kingside: 32Same-side castling: 28Did not castle: 2Opposite-side castling: 1
Played on the kingside: 14Fianchettoed kingside: 11Played in the center: 9Fianchettoed queenside: 5Played on the queenside: 3
Backward pawn: 21Initiated exchanges: 20Kept the bishop pair: 18Sacrificed material: 17Space advantage: 15Active pieces: 13Isolated pawn: 13Missed tactics: 12Avoided exchanges: 8Played gambits: 2
Openings
Click "+" to add that group to the games list below. Multiple groups can be added at once.
As White 16 games 0W 6D 10L
King's Indian Attack 4 games 0W 0D 4L
(unspecified) 2 games 0W 0D 2L
(unspecified)
2 games
0W
0D
2L
Double Fianchetto 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Sicilian Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Sicilian Defense 3 games 0W 1D 2L
Najdorf Variation 1 game 0W 1D 0L
Lipnitsky Attack
1 game
0W
1D
0L
Kan Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Godiva Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Italian Game 3 games 0W 1D 2L
Classical Variation 2 games 0W 1D 1L
Giuoco Pianissimo
1 game
0W
1D
0L
Giuoco Pianissimo, with h6
1 game
0W
0D
1L
Giuoco Piano 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Zukertort Opening 2 games 0W 2D 0L
Sicilian Invitation 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Kingside Fianchetto 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Indian Defense 1 game 0W 0D 1L
Knights Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Queen's Pawn Game 1 game 0W 1D 0L
Rossolimo Variation 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
King's Indian Defense 1 game 0W 1D 0L
Fianchetto Variation 1 game 0W 1D 0L
Panno Variation
1 game
0W
1D
0L
Neo-Grünfeld Defense 1 game 0W 0D 1L
Classical Variation 1 game 0W 0D 1L
Original Defense
1 game
0W
0D
1L
As Black 22 games 5W 3D 13L
Italian Game 6 games 2W 3D 1L
Classical Variation 4 games 1W 2D 1L
Giuoco Pianissimo
2 games
1W
0D
1L
Greco Gambit, Modern Line
1 game
0W
1D
0L
Giuoco Pianissimo, with h6
1 game
0W
1D
0L
Giuoco Piano 2 games 1W 1D 0L
Greco's Attack
1 game
1W
0D
0L
(unspecified)
1 game
0W
1D
0L
Ruy Lopez 3 games 1W 0D 2L
Morphy Defense 3 games 1W 0D 2L
Modern Steinitz Defense
3 games
1W
0D
2L
King's Indian Defense 3 games 0W 0D 3L
Petrosian Variation 1 game 0W 0D 1L
Stein Defense
1 game
0W
0D
1L
Semi-Averbakh System 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Makogonov Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Four Knights Game 2 games 2W 0D 0L
Naroditsky Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Gunsberg Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Queen's Gambit Declined 2 games 0W 0D 2L
Janowski Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Exchange Variation 1 game 0W 0D 1L
Reshevsky Variation
1 game
0W
0D
1L
Rapport-Jobava System 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Polish Opening 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Queen's Indian Defense 1 game 0W 0D 1L
Classical Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Zukertort Opening 1 game 0W 0D 0L
(unspecified) 1 game 0W 0D 0L
(unspecified)
1 game
0W
0D
0L
Indian Defense 1 game 0W 0D 1L
Anti-Nimzo-Indian 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
English Opening 1 game 0W 0D 1L
Anglo-Indian Defense 1 game 0W 0D 1L
King's Indian Formation
1 game
0W
0D
1L
Blunders Top 4 of 208
This player's costliest moves in analyzed games. Can you find the winning move?
Games Showing all 41 games
| Date | Event | Round | Color | Opponent | Result | Accuracy % | First moves |
|---|---|---|---|---|---|---|---|
| 2025.11.15 | Round 1: Kozlek, Tommy - George, Kevin | 1.6 | 2025.11.15 George, Kevin (10669515) (2320) | 0 | - | 1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 | |
| 2025.10.12 | Round 8: Lu, Lucas - Kozlek, Tommy | 8.15 | 2025.10.12 Lu, Lucas (39942120) (1962) | 0 | 85.00% | 1. d4 d5 2. Nc3 Nf6 3. Bf4 a6 | |
| 2025.10.12 | Round 6: Kozlek, Tommy - Otero, Joseph | 6.13 | 2025.10.12 Otero, Joseph (30999057) (1884) | 0 | 89.10% | 1. Nf3 Nf6 2. d4 e6 3. g3 c5 | |
| 2025.10.12 | Round 5: Katz, Alexander - Kozlek, Tommy | 5.8 | 2025.10.12 Katz, Alexander (2039796) (2398) | 0 | 84.70% | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 | |
| 2025.10.12 | Round 4: Kozlek, Tommy - Karamsetty, Jeevan | 4.9 | 2025.10.12 Karamsetty, Jeevan (2025337) (2264) | ½ | 85.00% | 1. Nf3 g6 2. d4 d6 3. c4 Bg7 | |
| 2025.10.12 | Round 1: Adewumi, Tanitoluwa - Kozlek, Tommy | 1.5 | 2025.10.12 Adewumi, Tanitoluwa (30966396) (2467) | 0 | 88.50% | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 | |
| 2025.10.11 | Round 6: Hughes, John L - Kozlek, Tommy | 6.9 | 2025.10.11 Hughes, John L (2046105) (2128) | 0 | 82.80% | 1. b4 Nf6 2. Bb2 d5 3. e3 e6 | |
| 2025.10.11 | Round 1: Kozlek, Tommy - Adewumi, Tanitoluwa | 1.5 | 2025.10.11 Adewumi, Tanitoluwa (30966396) (2400) | 0 | 87.30% | 1. Nf3 Nf6 2. g3 d5 3. Bg2 Bg4 | |
| 2025.10.03 | Round 1: Korley, Kassa - Kozlek, Tommy | 1.3 | 2025.10.03 Korley, Kassa (2033801) (2398) | 0 | 89.20% | 1. Nf3 Nf6 2. g3 b6 3. Bg2 Bb7 | |
| 2025.09.07 | Round 5: Hoffman, Luc - Kozlek, Tommy | 5.6 | 2025.09.07 Hoffman, Luc (30964644) (2144) | 1 | 94.40% | 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 | |
| 2025.09.07 | Round 4: Kozlek, Tommy - Kevin Zhao | 4.8 | 2025.09.07 Kevin Zhao | ½ | 90.60% | 1. Nf3 c5 2. g3 Nc6 3. Bg2 e5 | |
| 2025.09.06 | Round 2: Hebbar, Eshaan - Kozlek, Tommy | 2.6 | 2025.09.06 Hebbar, Eshaan (30974690) (2160) | 0 | 89.90% | 1. d4 d5 2. c4 e6 3. Nc3 a6 | |
| 2025.07.30 | Round 5: Xiang, Grayson - Kozlek, Tommy | 5.3 | 2025.07.30 Xiang, Grayson (39918742) (1796) | 1 | 90.70% | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 | |
| 2025.07.30 | Round 4: Kozlek, Tommy - Quispe Sanchez, Cristobal Edu | 4.3 | 2025.07.30 Quispe Sanchez, Cristobal Edu (3894649) (1756) | ½ | 95.20% | 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 | |
| 2025.07.29 | Round 3: Silvestre Tapullima, Brack Gustavo - Kozlek, Tommy | 3.4 | 2025.07.29 Silvestre Tapullima, Brack Gustavo (81418809) (1666) | 1 | 91.80% | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 | |
| 2025.07.28 | Round 2: Kozlek, Tommy - Colqui Espiritu, Azriel Ferdinand | 2.4 | 2025.07.28 Colqui Espiritu, Azriel Ferdinand (81412010) (1583) | 0 | - | 1. Nf3 d5 2. g3 Nf6 3. Bg2 g6 | |
| 2025.07.28 | Round 1: Gonzalez Castro, Ivan David - Kozlek, Tommy | 1.4 | 2025.07.28 Gonzalez Castro, Ivan David (144422504) (1475) | * | - | ||
| 2025.07.25 | Round 6: Moscoso Tellez, Joe Goldtie Marshall - Kozlek, Tommy | 6.1 | 2025.07.25 Moscoso Tellez, Joe Goldtie Marshall (3882594) (1763) | ½ | 98.60% | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 | |
| 2025.06.22 | Round 5: Venkataraman, Ravi Devaki - Kozlek, Tommy | 5.8 | 2025.06.22 Venkataraman, Ravi Devaki (39984257) | ½ | 90.90% | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 | |
| 2025.06.22 | Round 4: Kozlek, Tommy - Leong, Anson | 4.9 | 2025.06.22 Leong, Anson (30996457) (1786) | ½ | 87.00% | 1. Nf3 g6 2. g3 Bg7 3. Bg2 Nf6 | |
| 2025.04.26 | Round 3: Kozlek, Tommy - Wong, Hudson | 3.7 | 2025.04.26 Wong, Hudson (39965252) | 0 | - | 1. Nf3 d5 2. g3 Nf6 3. Bg2 Nc6 | |
| 2025.04.26 | Round 2: Aditeya FM Das - Kozlek, Tommy | 2.2 | 2025.04.26 Aditeya FM Das | 0 | 91.70% | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 | |
| 2025.03.30 | Round 5: Belenkaya, Dina - Kozlek, Tommy | 5.3 | 2025.03.30 Belenkaya, Dina (24142654) (2173) | 0 | 89.80% | 1. d4 Nf6 2. c4 e6 3. Nc3 d5 | |
| 2025.03.21 | Round 1: Kozlek, Tommy - Zhao, Austin | 1.6 | 2025.03.21 Zhao, Austin (39921786) (1819) | 0 | 89.10% | 1. Nf3 d5 2. g3 e6 3. Bg2 Nf6 | |
| 2025.02.23 | Round 4: Kozlek, Tommy - Rodas, Carlos J | 4.10 | 2025.02.23 Rodas, Carlos J (39938700) (1644) | ½ | 83.30% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2025.02.22 | Round 1: Das, Aditeya - Kozlek, Tommy | 1.2 | 2025.02.22 Das, Aditeya (30975972) (2297) | 0 | 86.90% | 1. Nf3 Nf6 2. c4 e6 3. d4 d5 | |
| 2024.11.24 | Round 4: Knowles, Chase - Kozlek, Tommy | 4.8 | 2024.11.24 Knowles, Chase (2065940) (1983) | 0 | 89.20% | 1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 | |
| 2024.11.23 | Round 3: Kozlek, Tommy - Wang, Connor Junda | 3.3 | 2024.11.23 Wang, Connor Junda (30991803) (1931) | 0 | 88.80% | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 | |
| 2024.11.23 | Round 2: Shrivastava, Nivaan - Kozlek, Tommy | 2.6 | 2024.11.23 Shrivastava, Nivaan (39928357) (1833) | 1 | 96.60% | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 | |
| 2024.10.14 | 3rd Skyline Open - OPEN | 9.23 | 2024.10.14 Shrivastava, Nivaan (39928357) (1851) | ½ | 87.50% | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 | |
| 2024.10.14 | 3rd Skyline Open - OPEN | 8.28 | 2024.10.14 Murugan Ayyappan, Adhiraiyan (30957478) (1829) | ½ | 93.00% | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 | |
| 2024.10.12 | 3rd Skyline Open - OPEN | 5.24 | 2024.10.12 Kurup, Siddharth (30967384) (2013) | 0 | 79.80% | 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 | |
| 2024.10.12 | 3rd Skyline Open - OPEN | 4.14 | 2024.10.12 Chong, Hanford (30984068) (1945) | 0 | 80.30% | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 | |
| 2024.10.11 | 3rd Skyline Open - OPEN | 3.23 | 2024.10.11 Jani, Aakash (30996163) (1827) | 1 | 97.00% | 1. e4 Nf6 2. Nc3 e5 3. Nf3 Nc6 | |
| 2024.10.11 | 3rd Skyline Open - OPEN | 2.7 | 2024.10.11 Anandh, Vijay Srinivas (30975794) (1969) | 0 | 86.60% | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 | |
| 2024.07.06 | 52nd Annual World Open | 6.108 | 2024.07.06 Shafer, Logan C (30993342) (2014) | 0 | 87.70% | 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 | |
| 2024.07.04 | 52nd Annual World Open | 1.114 | 2024.07.04 Hernandez Perez, Pedro (3501850) (2109) | 0 | 79.30% | 1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 | |
| 2024.06.28 | 17th Annual Philadelphia International | 1.56 | 2024.06.28 De La Colina, Nicolas (30946921) (2148) | 0 | 85.20% | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 | |
| Round 9: Guntaka, Aayansh - Kozlek, Tommy | 9.2 | Guntaka, Aayansh (30993890) (1889) | 0 | 84.10% | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 | ||
| Round 8: Kozlek, Tommy - Su, Milo | 8.2 | Su, Milo (39950352) (1869) | ½ | 33.10% | 1. Nf3 d5 2. g3 Nc6 3. d4 Bf5 | ||
| Round 7: Kozlek, Tommy - Shetty, Vedant | 7.2 | Shetty, Vedant (36100196) (1684) | 1 | 87.90% | 1. Nf3 Nf6 2. g3 g6 3. b3 Bg7 |