Player profile
Viktor Matviishen
Dossier
49 of 49 games analyzed.
Accuracy: 94.2%
Opened d4: 22/24Opened e4: 2/24
Castled kingside: 35Same-side castling: 31Did not castle: 11Castled queenside: 3Opposite-side castling: 2
Played in the center: 24Fianchettoed queenside: 17Played on the queenside: 14Played on the kingside: 13Fianchettoed kingside: 10
Active pieces: 38Space advantage: 32Sacrificed material: 28Initiated exchanges: 28Backward pawn: 27Kept the bishop pair: 26Isolated pawn: 25Avoided exchanges: 12Played gambits: 6Missed tactics: 4
Openings
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As White 24 games 12W 10D 1L
Queen's Gambit Declined 3 games 1W 2D 0L
Charousek Variation 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Queen's Knight Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Exchange Variation 1 game 0W 1D 0L
Positional Variation
1 game
0W
1D
0L
Nimzo-Indian Defense 3 games 2W 1D 0L
Normal Variation 3 games 2W 1D 0L
Botvinnik System
2 games
1W
1D
0L
(unspecified)
1 game
1W
0D
0L
King's Indian Defense 3 games 2W 1D 0L
Normal Variation 2 games 1W 1D 0L
(unspecified)
1 game
0W
1D
0L
Standard Development
1 game
1W
0D
0L
Semi-Averbakh System 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Grünfeld Defense 3 games 1W 1D 1L
Exchange Variation 3 games 1W 1D 1L
(unspecified)
3 games
1W
1D
1L
Slav Defense 2 games 1W 1D 0L
Modern Line 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Quiet Variation 1 game 1W 0D 0L
Pin Defense
1 game
1W
0D
0L
Indian Defense 2 games 1W 1D 0L
Normal Variation 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Anti-Nimzo-Indian 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Bogo-Indian Defense 1 game 1W 0D 0L
Retreat Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Dutch Defense 1 game 1W 0D 0L
Classical Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Benoni Defense 1 game 0W 1D 0L
Classical Variation 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Caro-Kann Defense 1 game 0W 1D 0L
Exchange Variation 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Semi-Slav Defense 1 game 0W 1D 0L
Stoltz Variation 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
French Defense 1 game 0W 0D 0L
Tarrasch Variation 1 game 0W 0D 0L
Open System, Euwe-Keres Line
1 game
0W
0D
0L
Queen's Gambit Accepted 1 game 1W 0D 0L
Old Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Queen's Indian Defense 1 game 1W 0D 0L
Capablanca Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
As Black 25 games 11W 10D 4L
Sicilian Defense 10 games 5W 4D 1L
Najdorf Variation 6 games 3W 3D 0L
Adams Attack
2 games
1W
1D
0L
Opocensky Variation
1 game
0W
1D
0L
Yates Variation
1 game
1W
0D
0L
Zagreb Variation
1 game
1W
0D
0L
Opocensky Variation, Traditional Line
1 game
0W
1D
0L
Modern Variations 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Alapin Variation 1 game 1W 0D 0L
Barmen Defense
1 game
1W
0D
0L
Moscow Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Delayed Alapin Variation 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Caro-Kann Defense 4 games 1W 1D 2L
Exchange Variation 2 games 1W 0D 1L
Rubinstein Variation
1 game
0W
0D
1L
(unspecified)
1 game
1W
0D
0L
Endgame Offer 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Advance Variation 1 game 0W 0D 1L
Tal Variation
1 game
0W
0D
1L
Queen's Indian Defense 3 games 2W 1D 0L
Fianchetto Variation 3 games 2W 1D 0L
Check Variation, Intermezzo Line
1 game
1W
0D
0L
Nimzowitsch Variation, Nimzowitsch Attack
1 game
1W
0D
0L
Nimzowitsch Variation
1 game
0W
1D
0L
Slav Defense 2 games 0W 2D 0L
Quiet Variation 2 games 0W 2D 0L
Schallopp Defense
2 games
0W
2D
0L
Queen's Gambit Declined 2 games 0W 1D 1L
Semi-Tarrasch Defense 2 games 0W 1D 1L
Exchange Variation
2 games
0W
1D
1L
English Opening 1 game 1W 0D 0L
Symmetrical Variation 1 game 1W 0D 0L
Three Knights Variation
1 game
1W
0D
0L
Zukertort Opening 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Four Knights Game 1 game 0W 1D 0L
Scotch Variation Accepted 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Grünfeld Defense 1 game 1W 0D 0L
Stockholm Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Blunders Top 4 of 112
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 |
|---|---|---|---|---|---|---|---|
| 2023.09.17 | Round 4: Juraj Druska - Viktor Matviishen | 2023.09.17 Juraj Druska | ½ | 97.40% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | ||
| 2023.09.17 | Round 3: David Brodsky - Viktor Matviishen | 2023.09.17 David Brodsky | 1 | 93.30% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | ||
| 2023.09.16 | Round 2: Viktor Matviishen - Andrei Macovei | 2023.09.16 Andrei Macovei | 1 | 95.20% | 1. d4 Nf6 2. c4 e6 3. Nf3 d5 | ||
| 2023.09.16 | Round 1: Viktor Matviishen - Tianqi Wang | 2023.09.16 Tianqi Wang | ½ | 92.20% | 1. d4 d5 2. c4 e6 3. Nc3 Be7 | ||
| 2023.09.04 | Round 9: Viktor Matviishen - Harshit Raja | 2023.09.04 Harshit Raja (2522) | 1 | 97.00% | 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 | ||
| 2023.09.04 | Round 8: Jason Liang - Viktor Matviishen | 2023.09.04 Jason Liang (2474) | 1 | 94.40% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | ||
| 2023.09.04 | Round 7: Viktor Matviishen - Robby Kevlishvili | 2023.09.04 Robby Kevlishvili (2517) | ½ | 97.10% | 1. d4 d5 2. c4 c6 3. Nf3 Nf6 | ||
| 2023.09.03 | Round 6: Daniel Fernandez - Viktor Matviishen | 2023.09.03 Daniel Fernandez (2529) | 0 | 92.30% | 1. e4 c5 2. Nf3 d6 3. Nc3 Nf6 | ||
| 2023.09.03 | Round 5: Viktor Matviishen - Nikolas Theodorou | 2023.09.03 Nikolas Theodorou (2586) | ½ | 99.50% | 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 | ||
| 2023.09.02 | Round 4: Brian Escalante - Viktor Matviishen | 2023.09.02 Brian Escalante (2495) | 1 | 92.70% | 1. e4 c5 2. c3 d5 3. exd5 Qxd5 | ||
| 2023.09.02 | Round 3: Viktor Matviishen - Gergely Kantor | 2023.09.02 Gergely Kantor (2527) | ½ | 98.80% | 1. d4 Nf6 2. c4 e6 | ||
| 2023.09.01 | Round 2: Mark Heimann - Viktor Matviishen | 2023.09.01 Mark Heimann (2440) | 1 | 99.40% | 1. Nf3 Nf6 2. c4 c5 3. Nc3 d5 | ||
| 2023.09.01 | Round 1: Viktor Matviishen - Abhinav Penagalapati | 2023.09.01 Abhinav Penagalapati (2259) | 1 | 90.80% | 1. d4 f5 2. g3 Nf6 3. Bg2 e6 | ||
| 2023.08.06 | Round 9: Viktor Matviishen - Rahul P Srivatshav | 2023.08.06 Rahul P Srivatshav | ½ | 93.70% | 1. d4 Nf6 2. c4 e6 3. Nc3 c5 | ||
| 2023.08.05 | Round 8: Viktor Matviishen - George Li | 2023.08.05 George Li | 1 | 95.30% | 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 | ||
| 2023.08.04 | Round 7: Gregory Markzon - Viktor Matviishen | 2023.08.04 Gregory Markzon | 1 | 96.20% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | ||
| 2023.07.04 | 51st Annual World Open | 9 | 2023.07.04 Tanitoluwa Adewumi | 1 | 95.10% | 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 | |
| 2023.07.03 | 51st Annual World Open | 6 | 2023.07.03 John Fedorowicz | ½ | 90.20% | 1. d4 Nf6 2. c4 g6 3. Nc3 d5 | |
| 2023.06.28 | 16th Annual Philadelphia International | 9 | 2023.06.28 Tuan Minh Le | ½ | 87.50% | 1. d4 Nf6 2. c4 c6 3. Nf3 d5 | |
| 2023.06.27 | 16th Annual Philadelphia International International | 8 | 2023.06.27 Pablo Salinas Herrera | 1 | 87.30% | 1. d4 d5 2. c4 e6 3. Nc3 h6 | |
| 2023.06.27 | 16th Annual Philadelphia International International | 7 | 2023.06.27 Djurabek Khamrakulov | ½ | 98.00% | 1. e4 c5 2. c3 d5 3. exd5 Qxd5 | |
| 2023.06.26 | 16th Annual Philadelphia International | 6 | 2023.06.26 Semen Khanin | ½ | 98.20% | 1. e4 c6 2. d4 d5 3. exd5 cxd5 | |
| 2023.06.26 | 16th Annual Philadelphia International International | 5 | 2023.06.26 Dalton Perrine | 1 | 95.20% | 1. Nf3 Nf6 2. g3 b6 3. Bg2 Bb7 | |
| 2023.06.25 | Round 1: Viktor Matviishen - Bilel Bellahcene | 4 | 2023.06.25 Bilel Bellahcene | ½ | 97.80% | 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 | |
| 2023.06.25 | 16th Annual Philadelphia International | 3 | 2023.06.25 Sam Schmakel | ½ | 95.20% | 1. e4 c6 2. Nf3 d5 3. d3 Qc7 | |
| 2023.06.18 | Las Vegas National Open 2023 | 9 | 2023.06.18 Semen Khanin | ½ | 88.90% | 1. d4 Nf6 2. c4 c6 3. Nf3 d5 | |
| 2023.06.18 | Las Vegas National Open 2023 | 8 | 2023.06.18 Yaser Quesada | 0 | 91.90% | 1. e4 c6 2. d4 d5 3. exd5 cxd5 | |
| 2023.06.17 | Las Vegas National Open 2023 | 7 | 2023.06.17 Zaven Andriasian | 1 | 98.60% | 1. d4 d5 2. c4 c6 3. Nf3 Nf6 | |
| 2023.06.17 | Las Vegas National Open 2023 | 6 | 2023.06.17 Lucius Melillo | 1 | 94.40% | 1. d4 Nf6 2. c4 e6 3. Nf3 b6 | |
| 2023.06.17 | Las Vegas National Open 2023 | 5 | 2023.06.17 Vasif Durarbayli | ½ | 95.90% | 1. d4 d5 2. c4 e6 3. Nc3 c6 | |
| 2023.06.16 | Las Vegas National Open 2023 | 4 | 2023.06.16 Hans Niemann | ½ | 98.10% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2023.06.16 | Las Vegas National Open 2023 | 3 | 2023.06.16 Lucas Jiang | 1 | 98.90% | 1. d4 Nf6 2. c4 g6 3. Nc3 d5 | |
| 2023.06.15 | Las Vegas National Open 2023 | 2 | 2023.06.15 Rose Atwell | 1 | 92.50% | 1. e4 c6 2. d4 d5 3. exd5 cxd5 | |
| 2023.06.15 | Round 1: Viktor Matviishen - Eugene Yanayt | 2023.06.15 Eugene Yanayt | 1 | 92.30% | 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 | ||
| 2023.06.11 | Round 9: Viktor Matviishen - Toms Kantans | 2023.06.11 Toms Kantans | 0 | 88.70% | 1. d4 Nf6 2. c4 g6 3. Nc3 d5 | ||
| 2023.06.11 | Round 8: Shawn Rodrigue-Lemieux - Viktor Matviishen | 2023.06.11 Shawn Rodrigue-Lemieux | ½ | 98.60% | 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 | ||
| 2023.06.10 | Round 7: Viktor Matviishen - Razvan Preotu | 2023.06.10 Razvan Preotu | * | 92.70% | 1. e4 e6 2. d4 d5 3. Nd2 c5 | ||
| 2023.06.10 | Round 6: Omar Almeida Quintana - Viktor Matviishen | 2023.06.10 Omar Almeida Quintana | 1 | 95.70% | 1. d4 Nf6 2. Nf3 e6 3. c4 b6 | ||
| 2023.06.09 | Round 5: Viktor Matviishen - Thomas Roussel-Roozmon | 2023.06.09 Thomas Roussel-Roozmon | ½ | 96.60% | 1. d4 Nf6 2. c4 e6 3. Nc3 d5 | ||
| 2023.06.09 | Round 4: Elshan Moradiabadi - Viktor Matviishen | 2023.06.09 Elshan Moradiabadi | ½ | 94.80% | 1. d4 Nf6 2. c4 e6 3. Nf3 b6 | ||
| 2023.05.29 | Round 9: Vasif DURARBAYLI - Viktor MATVIISHEN | 2023.05.29 Vasif DURARBAYLI | ½ | 98.50% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | ||
| 2023.05.29 | Round 8: Viktor MATVIISHEN - Zachary TANENBAUM | 2023.05.29 Zachary TANENBAUM | 1 | 96.50% | 1. d4 d5 2. c4 dxc4 3. e3 e5 | ||
| 2023.05.28 | Round 7: Mikhail ANTIPOV - Viktor MATVIISHEN | 2023.05.28 Mikhail ANTIPOV | 0 | 81.90% | 1. d4 Nf6 2. c4 e6 3. Nf3 d5 | ||
| 2023.05.28 | Round 6: Viktor MATVIISHEN - Justus WILLIAMS | 2023.05.28 Justus WILLIAMS | 1 | 94.30% | 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 | ||
| 2023.05.27 | Round 5: Safal BORA - Viktor MATVIISHEN | 2023.05.27 Safal BORA | ½ | 97.00% | 1. c4 c5 2. Nc3 Nf6 3. Nf3 d5 | ||
| 2023.05.27 | Round 4: Viktor MATVIISHEN - Sahil SINHA | 2023.05.27 Sahil SINHA | 1 | 91.40% | 1. d4 Nf6 2. c4 e6 3. Nf3 d5 | ||
| 2023.05.26 | Round 3: Sean Senft - Viktor MATVIISHEN | 2023.05.26 Sean Senft | 1 | 90.30% | 1. c4 Nf6 2. d4 g6 3. Nc3 d5 | ||
| 2023.05.25 | Round 2: Viktor MATVIISHEN - Joshua ALTMAN | 2023.05.25 Joshua ALTMAN | 1 | 91.30% | 1. d4 Nf6 2. c4 e6 3. Nf3 b6 | ||
| 2023.05.24 | Round 1: Jason MOREFIELD - Viktor MATVIISHEN | 2023.05.24 Jason MOREFIELD | 0 | 86.70% | 1. e4 c6 2. d4 d5 3. e5 Bf5 |