Player profile
Tsuboi, Edson Kenji
Dossier
17 of 29 games analyzed.
Accuracy: 88.3%
Opened e4: 9/9
Castled kingside: 12Same-side castling: 10Opposite-side castling: 2Castled queenside: 1Did not castle: 1
Played in the center: 10Played on the kingside: 2Played on the queenside: 1Fianchettoed kingside: 1Fianchettoed queenside: 1
Active pieces: 10Kept the bishop pair: 10Isolated pawn: 9Space advantage: 8Initiated exchanges: 8Avoided exchanges: 6Sacrificed material: 6Backward pawn: 5Played gambits: 3Accepted short draws: 2
Openings
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As White 15 games 4W 3D 8L
Sicilian Defense 8 games 2W 0D 6L
Najdorf Variation 3 games 2W 0D 1L
Amsterdam Variation
2 games
2W
0D
0L
English Attack
1 game
0W
0D
1L
Richter-Rauzer Variation 2 games 0W 0D 2L
Neo-Modern Variation
1 game
0W
0D
1L
(unspecified)
1 game
0W
0D
1L
Kan Variation 1 game 0W 0D 1L
Modern Variation
1 game
0W
0D
1L
Taimanov Variation 1 game 0W 0D 1L
Szén Variation
1 game
0W
0D
1L
Kalashnikov Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Ruy Lopez 3 games 1W 1D 1L
Closed 2 games 1W 1D 0L
(unspecified)
1 game
1W
0D
0L
Keres Defense
1 game
0W
1D
0L
Morphy Defense 1 game 0W 0D 1L
Neo-Arkhangelsk Variation
1 game
0W
0D
1L
English Opening 2 games 1W 1D 0L
Symmetrical Variation 1 game 0W 1D 0L
Rubinstein Variation
1 game
0W
1D
0L
Anglo-Indian Defense 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
French Defense 1 game 0W 1D 0L
Tarrasch Variation 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Caro-Kann Defense 1 game 0W 0D 1L
Accelerated Panov Attack 1 game 0W 0D 1L
Modern Variation
1 game
0W
0D
1L
As Black 11 games 3W 3D 5L
Sicilian Defense 5 games 0W 2D 3L
Taimanov Variation 3 games 0W 1D 2L
(unspecified)
2 games
0W
1D
1L
Bastrikov Variation
1 game
0W
0D
1L
Delayed Alapin Variation 1 game 0W 1D 0L
with e6
1 game
0W
1D
0L
French Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Nimzo-Indian Defense 2 games 1W 0D 1L
Normal Variation 1 game 0W 0D 1L
Bernstein Defense, Exchange Line
1 game
0W
0D
1L
Romanishin Variation 1 game 1W 0D 0L
English Hybrid
1 game
1W
0D
0L
English Opening 2 games 1W 0D 1L
Symmetrical Variation 2 games 1W 0D 1L
Botvinnik System
1 game
1W
0D
0L
(unspecified)
1 game
0W
0D
1L
Grünfeld Defense 1 game 1W 0D 0L
Exchange Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Queen's Pawn Game 1 game 0W 1D 0L
Symmetrical Variation 1 game 0W 1D 0L
Pseudo-Catalan
1 game
0W
1D
0L
Blunders Top 4 of 65
This player's costliest moves in analyzed games. Can you find the winning move?
Games Showing all 29 games
| Date | Event | Round | Color | Opponent | Result | Accuracy % | First moves |
|---|---|---|---|---|---|---|---|
| 2026.07.02 | X Caioba - STD | 6.15 | 2026.07.02 Cubas, Jose (3700267) (2425) | ½ | 92.00% | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 | |
| 2026.06.30 | X Caioba STD | 3.13 | 2026.06.30 Perez Gormaz, Matias (3406342) (2388) | 0 | - | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 | |
| 2026.06.27 | X Caioba RPD | 5.14 | 2026.06.27 Garcia Palermo, Carlos Horacio (110124) (2390) | 0 | - | 1. d4 Nf6 2. Nf3 d5 3. c4 e6 | |
| 2026.06.27 | X Caioba RPD | 2.1 | 2026.06.27 Bachmann, Axel (3700488) (2620) | 0 | - | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 | |
| 2026.01.31 | III Sampa Chess Open - STD | 8 | 2026.01.31 Seccafim, Caic dos Santos (22718109) (2003) | ½ | 97.90% | 1. e4 c5 2. Nf3 e6 3. c3 d5 | |
| 2025.12.30 | Round 8: Bonilla Viamonte, Diego Armando - Tsuboi, Edson Kenji | 8.4 | 2025.12.30 Bonilla Viamonte, Diego Armando (3930050) (1806) | 1 | - | 1. c4 c5 2. Nc3 Nc6 3. g3 g6 | |
| 2025.12.30 | Round 7: Tsuboi, Edson Kenji - Maset, Pedro Yuki Yoshida | 7.6 | 2025.12.30 Maset, Pedro Yuki Yoshida (44757280) (1835) | ½ | - | 1. c4 Nf6 2. g3 c5 3. Bg2 d5 | |
| 2025.12.29 | Round 6: El Zwei, Aiman Mohamed - Tsuboi, Edson Kenji | 6.3 | 2025.12.29 El Zwei, Aiman Mohamed (44733909) (2067) | 0 | - | 1. Nf3 c5 2. c4 Nc6 3. e3 e5 | |
| 2025.12.29 | Round 5: Tsuboi, Edson Kenji - Santos, Abel Cardoso Dos | 5.4 | 2025.12.29 Santos, Abel Cardoso Dos (2159473) (1889) | 1 | - | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 | |
| 2025.12.28 | Round 4: Tsuboi, Edson Kenji - De Souza, Samuel B Ornelas | 4.5 | 2025.12.28 De Souza, Samuel B Ornelas (22751637) (1788) | 1 | - | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2025.12.27 | Round 3: Silva, Kaua Marques - Tsuboi, Edson Kenji | 3.2 | 2025.12.27 Silva, Kaua Marques (22701168) (2351) | 0 | - | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 | |
| 2025.12.27 | Round 2: Da Silva, Camila Evaristo - Tsuboi, Edson Kenji | 2.7 | 2025.12.27 Da Silva, Camila Evaristo (2145430) (1774) | 1 | - | 1. d4 Nf6 2. c4 g6 3. Nc3 d5 | |
| 2025.12.27 | Round 1: Tsuboi, Edson Kenji - Vieira, Luana Saddi | 1.7 | 2025.12.27 Vieira, Luana Saddi (22738762) (1711) | 1 | - | 1. c4 Nf6 2. g3 g6 3. Bg2 Bg7 | |
| 2025.12.21 | Round 9: Tsuboi, Edson Kenji - Fier, Alexandr | 9.1 | 2025.12.21 Fier, Alexandr (2107139) (2556) | 0 | 85.00% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2025.06.30 | Round 3: Tsuboi, Edson Kenji - Rodriguez Vila, Andres | 3.7 | 2025.06.30 Rodriguez Vila, Andres (3000010) (2447) | 0 | 76.40% | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 | |
| 2025.02.01 | II Sampa Chess Open - STD Open | 9 | 2025.02.01 Da Silva, Lucas Pereira Mendes (22718613) (2089) | 0 | 88.90% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2025.02.01 | II Sampa Chess Open - STD Open | 8 | 2025.02.01 De Siqueira, Luigy Lira (22722734) (2267) | 0 | 89.90% | 1. e4 c5 2. Nf3 e6 3. g3 d5 | |
| 2025.02.01 | II Sampa Chess Open - STD Open | 7 | 2025.02.01 Pironti, Francisco Ferrari (22782311) (2080) | 1 | 91.30% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2025.02.01 | II Sampa Chess Open - STD Open | 6 | 2025.02.01 Almeida, Fernando Jose De (2131153) | ½ | 73.10% | 1. d4 Nf6 2. Nf3 d5 3. g3 e6 | |
| 2025.02.01 | II Sampa Chess Open - STD Open | 5 | 2025.02.01 Perdomo, Leandro (109746) (2364) | ½ | 97.00% | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 | |
| 2025.02.01 | II Sampa Chess Open - STD Open | 4 | 2025.02.01 Santos, Marcus Vinicius Moreira (2103125) (2310) | ½ | 93.30% | 1. e4 e6 2. d4 d5 3. Nd2 h6 | |
| 2025.02.01 | II Sampa Chess Open - STD Open | 3 | 2025.02.01 Santiago, Yago De Moura (2103877) (2470) | 1 | - | 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 | |
| 2024.06.28 | Round 7: Tsuboi, Edson Kenji - Do Valle Cardoso, Lucas | 7.12 | 2024.06.28 Do Valle Cardoso, Lucas (2163144) (2356) | 0 | 92.70% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2024.06.25 | Round 3: Tsuboi, Edson Kenji - Cubas, Jose Fernando | 3.7 | 2024.06.25 Cubas, Jose (3700267) (2417) | 0 | 82.70% | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 | |
| 2024.02.02 | Sampa Chess Open - Local Piso Superior (ao lado da Renner) às 19h00 | 6.7 | 2024.02.02 Santiago, Yago De Moura (2103877) (2467) | 0 | 90.10% | 1. e4 c6 2. c4 d5 3. cxd5 cxd5 | |
| 2024.01.30 | Sampa Chess Open - Local Piso Superior (ao lado da Renner) Ã s 19h00 | 3.5 | 2024.01.30 Flores Quillas, Diego Saul Rodri (3822508) (2429) | 0 | 85.80% | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 | |
| 2023.08.06 | Round 6: Mathias Andre Casalaspro - Edson Kenji Tsuboi | 2023.08.06 Mathias Andre Casalaspro | ½ | 84.00% | 1. e4 c5 2. Nf3 e6 3. d3 Nc6 | ||
| 2023.08.06 | Round 5: Atila Balzer Piekarski - Edson Kenji Tsuboi | 2023.08.06 Atila Balzer Piekarski | 1 | 88.40% | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 | ||
| 2023.06.20 | Round 4: Edson Kenji Tsuboi - Jose Fernando Cubas | 2023.06.20 Jose Fernando Cubas | 0 | 85.20% | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 |