Prepare against Edson Kenji Tsuboi
IM · Brazil · World #10,881 classical · FIDE ID 2100274
Our database contains 1,359 games by Edson Kenji Tsuboi, covering Apr 2003 to Aug 2026. Below you'll find Edson Kenji Tsuboi's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Edson Kenji Tsuboi before a game. You can open the same data in the free interactive preparation workstation, which builds a move-by-move opening tree from every game.
Ratings
| Time control | Current | Peak | Peak date |
|---|---|---|---|
| Classical | 2,156 | 2,423 | Sep 2009 |
| Rapid | 2,108 | 2,324 | May 2023 |
| Blitz | 2,140 | 2,217 | Oct 2019 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 1,359 | 617 | 415 | 327 | 45.4% |
| As White | 682 | 328 | 217 | 137 | 48.1% |
| As Black | 677 | 289 | 198 | 190 | 42.7% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Edson Kenji Tsuboi's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Edson Kenji Tsuboi's side.
First moves as White (682 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e4 | 564 | 82.7% | 63.7% |
| c4 | 77 | 11.3% | 63.0% |
| d4 | 37 | 5.4% | 68.9% |
| Nf3 | 4 | 0.6% | 87.5% |
Main lines as White
- 1.e4 — 83% of White games, 63.7% score
- …c5 (46% of these games) — Tsuboi usually continues Nf3 (61.3% score)
- …e5 (25% of these games) — Tsuboi usually continues Nf3 (60.9% score)
- …e6 (9% of these games) — Tsuboi usually continues d4 (62.2% score)
- 1.c4 — 11% of White games, 63.0% score
- …Nf6 (40% of these games) — Tsuboi usually continues g3 (62.0% score)
- …c5 (17% of these games) — Tsuboi usually continues g3 (66.7% score)
- …e5 (17% of these games) — Tsuboi usually continues g3 (57.7% score)
As Black against 1.e4 (279 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c5 | 266 | 95.3% | 58.5% |
| e6 | 5 | 1.8% | 70.0% |
| e5 | 4 | 1.4% | 62.5% |
| d5 | 2 | 0.7% | 25.0% |
| g6 | 1 | 0.4% | 100.0% |
| c6 | 1 | 0.4% | 50.0% |
As Black against 1.d4 (268 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 256 | 95.5% | 59.6% |
| d5 | 10 | 3.7% | 65.0% |
| f5 | 1 | 0.4% | 100.0% |
| c5 | 1 | 0.4% | 0.0% |
Edson Kenji Tsuboi's chess games
All 1,359 games by Edson Kenji Tsuboi in the Chess.ceo database (Apr 2003 - Aug 2026) are free to browse, search and replay: filter by opening, opponent, event or date on the player page, or step through any game on the analysis board. Record: 617 wins, 415 draws, 327 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B42 | Sicilian | 113 | 47/39/27 | 41.6% |
| C91 | Ruy Lopez: Closed | 47 | 16/21/10 | 34.0% |
| B93 | Sicilian: Najdorf | 45 | 19/14/12 | 42.2% |
| C06 | French: Tarrasch Variation | 42 | 23/9/10 | 54.8% |
| A36 | English Opening | 26 | 16/5/5 | 61.5% |
| B33 | Sicilian: Sveshnikov | 20 | 12/5/3 | 60.0% |
| B38 | Sicilian: Accelerated Dragon | 19 | 11/6/2 | 57.9% |
| B76 | Sicilian: Dragon | 19 | 13/5/1 | 68.4% |
| B05 | Alekhine Defense | 19 | 16/1/2 | 84.2% |
| B08 | Pirc Defense | 17 | 9/4/4 | 52.9% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B44 | Sicilian | 117 | 52/24/41 | 44.4% |
| D85 | Grünfeld Defense | 65 | 35/12/18 | 53.8% |
| A46 | Indian Defense | 63 | 28/19/16 | 44.4% |
| B47 | Sicilian: Taimanov | 47 | 25/13/9 | 53.2% |
| A30 | English Opening: Symmetrical | 38 | 19/12/7 | 50.0% |
| A30 | English Opening | 31 | 5/10/16 | 16.1% |
| B23 | Sicilian: Closed | 30 | 12/11/7 | 40.0% |
| B31 | Sicilian: Rossolimo | 24 | 9/11/4 | 37.5% |
| A37 | Réti Opening | 22 | 11/5/6 | 50.0% |
| B22 | Sicilian: Alapin | 22 | 8/10/4 | 36.4% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Jan 2011 | Diego Flores | 2,628 | 1st Campinas Rocha Memorial | A30 |
| Aug 2009 | Neuris Delgado Ramirez | 2,574 | 6th American Continental | B60 |
| Feb 2007 | Alexandr Fier | 2,522 | Sao Paulo Interclubs Paulista | A45 |
| Jan 2000 | Giovanni Vescovi | 2,511 | Brasilia BCX Open | B12 |
| Aug 2000 | Eduardo Thelio Limp | 2,480 | Brasilia Taca CC 4th | B00 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| ch-BRA | 2001 | 110 | 47 | 2,284 |
| ch-BRA sf | 2010 | 87 | 57.5 | 2,380 |
| ch-Paulista | 2012 | 32 | 22.5 | 2,289 |
| Sao Paulo Carnaval Open | 2020 | 21 | 14.5 | 2,140 |
| Brasilia Terraviva Open | 2019 | 19 | 12.5 | 2,182 |
| m-BRA | 1991 | 18 | 10.5 | 2,380 |
| Sao Paulo CXSP | 2004 | 17 | 8.5 | 2,324 |
| chT-Paulista | 2011 | 16 | 9 | 2,200 |
Frequent opponents
Head-to-head records: Everaldo Matsuura (29 games) · Herman C. Van Riemsdijk (24 games) · Eduardo Thelio Limp (15 games) · Darcy Lima (12 games) · Carlos Alberto Sega (11 games) · Rafael Leitao (11 games) · Krikor Sevag Mekhitarian (10 games)
Interactive opening tree from all 1,359 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Edson Kenji Tsuboi's chess games?
1,359 games by Edson Kenji Tsuboi, from Apr 2003 to Aug 2026, are free to browse and replay move by move — no signup needed. The preparation view groups them into an opening tree showing every line Edson Kenji Tsuboi has played.
What does Edson Kenji Tsuboi play on the first move as White?
Across 682 games with White in our database, Edson Kenji Tsuboi opens with 1.e4 (83% of games), 1.c4 (11% of games), 1.d4 (5% of games). Against 1.e4 as Black, Edson Kenji Tsuboi answers 1...c5 (95% of games), 1...e6 (2% of games), 1...e5 (1% of games). Against 1.d4: 1...Nf6 (96% of games), 1...d5 (4% of games), 1...f5 (0% of games).
What openings does Edson Kenji Tsuboi play as White?
As White, Edson Kenji Tsuboi's most-played openings in our database are: Sicilian (113 games, 41.6% win rate); Ruy Lopez: Closed (47 games, 34.0% win rate); Sicilian: Najdorf (45 games, 42.2% win rate). The full breakdown of 682 games with White is in the table above.
What openings does Edson Kenji Tsuboi play as Black?
As Black, Edson Kenji Tsuboi most often plays: Sicilian (117 games, 44.4% win rate); Grünfeld Defense (65 games, 53.8% win rate); Indian Defense (63 games, 44.4% win rate). See the table above for the top ten Black openings across 677 games.
What is Edson Kenji Tsuboi's FIDE rating?
Edson Kenji Tsuboi is currently rated 2,156 in classical chess, 2,108 in rapid and 2,140 in blitz. Peak classical rating: 2,423 (Sep 2009).
How many games has Edson Kenji Tsuboi played?
Our database contains 1,359 games by Edson Kenji Tsuboi, covering Apr 2003 to Aug 2026. Overall record: 617 wins, 415 draws, 327 losses (45.4% win rate).
How do I prepare against Edson Kenji Tsuboi?
1,359 games by Edson Kenji Tsuboi reveal their opening repertoire, most-played lines, and the variations where they score worst — the raw material for targeted preparation. The interactive opening tree lets you walk every line to any depth.