Player profile
Alexander Katz
Dossier
48 of 49 games analyzed.
Accuracy: 91.3%
Opened e4: 10/13Opened c4: 2/13Opened g3: 1/13
Castled kingside: 20Same-side castling: 20Did not castle: 3Castled queenside: 2Opposite-side castling: 1
Played in the center: 10Fianchettoed kingside: 9Fianchettoed queenside: 7Played on the kingside: 7Played on the queenside: 6
Active pieces: 17Sacrificed material: 16Initiated exchanges: 15Backward pawn: 14Kept the bishop pair: 13Isolated pawn: 12Space advantage: 10Avoided exchanges: 5Missed tactics: 5Accepted short draws: 3
Openings
Click "+" to add that group to the games list below. Multiple groups can be added at once.
As White 14 games 6W 6D 2L
Sicilian Defense 4 games 2W 2D 0L
Closed 1 game 1W 0D 0L
Anti-Sveshnikov Variation, with Nf6
1 game
1W
0D
0L
Accelerated Dragon 1 game 0W 1D 0L
Maróczy Bind
1 game
0W
1D
0L
Najdorf Variation 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Taimanov Variation 1 game 1W 0D 0L
Bastrikov Variation, English Attack
1 game
1W
0D
0L
English Opening 2 games 1W 1D 0L
King's English Variation 2 games 1W 1D 0L
Two Knights Variation, Keres Variation
1 game
0W
1D
0L
Three Knights System
1 game
1W
0D
0L
Italian Game 2 games 0W 1D 1L
Classical Variation 1 game 0W 1D 0L
Giuoco Pianissimo
1 game
0W
1D
0L
Two Knights Defense 1 game 0W 0D 1L
Modern Bishop's Opening
1 game
0W
0D
1L
Petrov's Defense 1 game 1W 0D 0L
Nimzowitsch Attack 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Nimzowitsch Defense 1 game 1W 0D 0L
Williams Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Hungarian Opening 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
French Defense 1 game 0W 1D 0L
Exchange Variation 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Ruy Lopez 1 game 0W 1D 0L
Morphy Defense 1 game 0W 1D 0L
Steinitz Deferred
1 game
0W
1D
0L
Caro-Kann Defense 1 game 0W 0D 1L
Advance Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
As Black 12 games 4W 6D 2L
Pirc Defense 3 games 1W 2D 0L
Classical Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
(unspecified) 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Austrian Attack 1 game 0W 1D 0L
Weiss Variation
1 game
0W
1D
0L
Indian Defense 2 games 1W 1D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Knights Variation 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Queen's Pawn Game 2 games 1W 1D 0L
(unspecified) 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Colle System 1 game 1W 0D 0L
Anti-Colle
1 game
1W
0D
0L
Ruy Lopez 2 games 0W 1D 1L
Morphy Defense 2 games 0W 1D 1L
Møller Variation
1 game
0W
1D
0L
Neo-Arkhangelsk Variation
1 game
0W
0D
1L
Queen's Gambit Declined 1 game 1W 0D 0L
Orthodox Defense 1 game 1W 0D 0L
Rubinstein Variation
1 game
1W
0D
0L
Tarrasch Defense 1 game 0W 1D 0L
Classical Variation 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Catalan Opening 1 game 0W 0D 1L
Open Defense 1 game 0W 0D 1L
Classical Line
1 game
0W
0D
1L
Blunders Top 4 of 174
This player's costliest moves in analyzed games. Can you find the winning move?
Games Showing all 49 games
| Date | Event | Round | Color | Opponent | Result | Accuracy % | First moves |
|---|---|---|---|---|---|---|---|
| 2026.06.17 | Round 3: Alexander Katz - Luc William Crim Hoffman | 3.2 | 2026.06.17 Luc William Crim Hoffman | ½ | 93.80% | 1. c4 e5 2. Nc3 Nf6 3. g3 c6 | |
| 2026.06.17 | Round 2: Shvarts, Tim - Alexander Katz | 2.2 | 2026.06.17 Shvarts, Tim (39927830) (2018) | 1 | 90.80% | 1. d4 Nf6 2. c4 e6 3. Nf3 d5 | |
| 2026.06.16 | Round 1: Alexander Katz - Arthur, Brian | 1.2 | 2026.06.16 Arthur, Brian (2090830) (1923) | 1 | 78.90% | 1. e4 c5 2. Nf3 Nc6 3. Nc3 e5 | |
| 2026.06.15 | Round 4: Adewumi, Tanitoluwa - Alexander Katz | 4.1 | 2026.06.15 Adewumi, Tanitoluwa (30966396) (2471) | 1 | 95.30% | 1. e4 d6 2. d4 Nf6 3. Nc3 g6 | |
| 2026.05.27 | Round 3: Jay Richard Bonin - Alexander Katz | 3.2 | 2026.05.27 Jay Richard Bonin | 1 | 95.90% | 1. d4 Nf6 2. c3 g6 3. Bg5 Bg7 | |
| 2026.05.27 | Round 2: Alexander Katz - Paruchuri, Naveen | 2.4 | 2026.05.27 Paruchuri, Naveen (30964636) (1952) | 1 | 90.30% | 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 | |
| 2026.05.26 | Round 1: Gartenlaub, Corin - Alexander Katz | 1.2 | 2026.05.26 Gartenlaub, Corin (30996546) (1901) | ½ | 85.20% | 1. e4 d6 2. d4 Nf6 3. Nc3 g6 | |
| 2026.05.25 | Round 4: Alexander Katz - Adewumi, Tanitoluwa | 4.1 | 2026.05.25 Adewumi, Tanitoluwa (30966396) (2473) | ½ | - | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 | |
| 2025.12.30 | Round 9: Koustav Chatterjee - Alexander Katz | 9.4 | 2025.12.30 Koustav Chatterjee (25073060) (2475) | ½ | 99.10% | 1. Nf3 Nf6 2. g3 d5 3. Bg2 c5 | |
| 2025.12.30 | Round 8: Alexander Katz - Girel, Joseph | 8.7 | 2025.12.30 Girel, Joseph (36033561) (2503) | 1 | 87.50% | 1. e4 Nc6 2. Nf3 d6 3. d4 Nf6 | |
| 2024.12.18 | Round 4: Alexander Katz - Grant Rheingold | 4.5 | 2024.12.18 Grant Rheingold | 1 | 97.40% | 1. c4 e5 2. Nc3 Nc6 3. Nf3 Bc5 | |
| 2024.12.18 | Round 3: Bonin, Jay - Alexander Katz | 3.4 | 2024.12.18 Bonin, Jay (2000644) (2199) | ½ | 85.40% | 1. d4 d6 2. Bg5 g6 3. e4 Bg7 | |
| 2024.12.17 | Round 2: Alexander Katz - Tang, Andrew | 2.1 | 2024.12.17 Tang, Andrew (2059630) (2425) | 0 | 90.10% | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 | |
| 2023.12.10 | Round 5: Eugene Yoo - Alexander Katz | 2023.12.10 Eugene Yoo | ½ | 87.60% | 1. d4 Nf6 2. Nf3 e6 3. g3 d5 | ||
| 2023.12.09 | Round 4: Alexander Katz - Kiren Vivek Nasta | 2023.12.09 Kiren Vivek Nasta | 1 | 94.80% | 1. g3 d5 2. Bg2 e5 3. d3 Nf6 | ||
| 2023.12.09 | Round 3: Megan Althea Paragua - Alexander Katz | 2023.12.09 Megan Althea Paragua | 1 | 89.60% | 1. d4 Nf6 2. Nf3 d5 3. e3 Bf5 | ||
| 2023.12.09 | Round 2: Alexander Katz - Kyle Qiyu Dong | 2023.12.09 Kyle Qiyu Dong | ½ | 80.80% | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 | ||
| 2023.11.11 | Round 9: Alexander Katz - Alexander Kaliksteyn | 2023.11.11 Alexander Kaliksteyn (2375) | ½ | 94.40% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | ||
| 2023.11.11 | Round 8: Titas Stremavicius - Alexander Katz | 2023.11.11 Titas Stremavicius (2563) | 0 | 91.20% | 1. d4 Nf6 2. Nf3 e6 3. g3 d5 | ||
| 2023.11.11 | Round 7: Alexander Katz - Luka Budisavljevic | 2023.11.11 Luka Budisavljevic (2492) | ½ | 97.30% | 1. e4 e6 2. d4 d5 3. exd5 exd5 | ||
| 2023.11.11 | Round 6: Sam Schmakel - Alexander Katz | 2023.11.11 Sam Schmakel (2447) | ½ | 96.20% | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 | ||
| 2023.11.10 | Round 5: Josiah Stearman - Alexander Katz | 2023.11.10 Josiah Stearman (2476) | 0 | 93.20% | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 | ||
| 2023.11.10 | Round 4: Alexander Katz - Brewington Hardaway | 2023.11.10 Brewington Hardaway (2345) | ½ | 87.10% | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 | ||
| 2023.11.09 | Round 3: Anthony Atanasov - Alexander Katz | 2023.11.09 Anthony Atanasov (2406) | ½ | 97.00% | 1. e4 d6 2. d4 Nf6 3. Nc3 g6 | ||
| 2023.11.09 | Round 2: Alexander Katz - Djurabek Khamrakulov | 2023.11.09 Djurabek Khamrakulov (2500) | 0 | 90.10% | 1. e4 c6 2. d4 d5 3. e5 Bf5 | ||
| 2023.11.08 | Round 1: Alexander Katz - Nico Chasin | 2023.11.08 Nico Chasin (2419) | 1 | 93.60% | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 | ||
| 2023.06.18 | Round 5: Oleiny Linares - Alexander Katz | 2023.06.18 Oleiny Linares | 0 | 85.90% | 1. Nf3 d5 2. c4 dxc4 3. Qc2 Nc6 | ||
| 2023.06.18 | Round 3: Hans Moke Niemann - Alexander Katz | 2023.06.18 Hans Moke Niemann | 1 | 91.00% | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 | ||
| 2023.06.18 | Round 2: Barrett Winchell - Alexander Katz | 2023.06.18 Barrett Winchell | 1 | 96.70% | 1. e4 c6 2. d4 d5 3. e5 Bf5 | ||
| 2023.06.18 | Round 1: Alexander Katz - Brad Merrill | 2023.06.18 Brad Merrill | 1 | 100.00% | |||
| 2023.06.17 | Las Vegas National Open 2023 | 7 | 2023.06.17 Isaac Wang | 1 | 98.10% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2023.06.17 | Las Vegas National Open 2023 | 6 | 2023.06.17 Ezra Chambers | 0 | 88.40% | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 | |
| 2023.06.17 | Las Vegas National Open 2023 | 5 | 2023.06.17 Megan Lee | 1 | 96.90% | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 | |
| 2023.06.16 | Las Vegas National Open 2023 | 4 | 2023.06.16 Eric Liu | 0 | 90.80% | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 | |
| 2023.06.16 | Las Vegas National Open 2023 | 3 | 2023.06.16 Jayden Wu | 1 | 95.70% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2023.06.15 | Las Vegas National Open 2023 | 2 | 2023.06.15 Patrick Liu | ½ | 93.60% | 1. d4 Nf6 2. c4 e6 3. g3 d5 | |
| 2023.06.15 | Round 1: Alexander Katz - Sreekar Gangavarapu | 2023.06.15 Sreekar Gangavarapu | 1 | 97.30% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | ||
| 2023.06.10 | Round 3: Alexander Katz - Anthony Angeles | 2023.06.10 Anthony Angeles | 0 | 91.20% | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 | ||
| 2023.06.09 | Round 2: Roman Gavrilin - Alexander Katz | 2023.06.09 Roman Gavrilin | 0 | 87.60% | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 | ||
| 2023.06.09 | Round 1: Alexander Katz - Henry Wang | 2023.06.09 Henry Wang | ½ | 98.40% | 1. e4 d6 2. d4 Nf6 3. Nc3 e5 | ||
| 2023.03.21 | Round 9: Alexander Katz - Cristhian Cruz | 2023.03.21 Cristhian Cruz | ½ | 77.10% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | ||
| 2023.03.21 | Round 8: Robert Akopian - Alexander Katz | 2023.03.21 Robert Akopian | 1 | 95.60% | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 | ||
| 2023.03.21 | Round 7: Alexander Katz - Luis Carlos Torres Rosas | 2023.03.21 Luis Carlos Torres Rosas | 1 | 95.60% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | ||
| 2023.03.20 | Round 6: Jacob Chiang - Alexander Katz | 2023.03.20 Jacob Chiang | ½ | 94.40% | 1. c4 c5 2. Nf3 Nc6 3. d4 cxd4 | ||
| 2023.03.19 | Round 5: Alexander Katz - Gunnar Andersen | 2023.03.19 Gunnar Andersen | 0 | 89.20% | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 | ||
| 2023.03.19 | Round 4: Varun Krishnan - Alexander Katz | 2023.03.19 Varun Krishnan | ½ | 97.90% | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 | ||
| 2023.03.19 | Round 3: Alexander Katz - Aaron Jacobson | 2023.03.19 Aaron Jacobson | 1 | 93.90% | 1. e4 e6 2. d4 d5 3. Nc3 Nf6 | ||
| 2023.03.18 | Round 2: Semen Khanin - Alexander Katz | 2023.03.18 Semen Khanin | 0 | 87.60% | 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 | ||
| 2023.03.18 | Round 1: Alexander Katz - Patrick Liu | 2023.03.18 Patrick Liu | 1 | 91.60% | 1. e4 c5 2. Nf3 g6 3. c3 Bg7 |