Prepare against Koichi Sugimoto
Japan · World #77,980 classical · FIDE ID 7000359
When preparing against Koichi Sugimoto, expect 1.d4 in 64% of White games. Against 1.e4 the reply is 1...c5 (63% of games); against 1.d4, 1...d5 (88%).
Our database contains 46 games by Koichi Sugimoto, covering Apr 2003 to Jul 2026. Below you'll find Koichi Sugimoto's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Koichi Sugimoto 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 | 1,796 | 2,083 | Apr 2005 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 46 | 16 | 2 | 28 | 34.8% |
| As White | 25 | 6 | 1 | 18 | 24.0% |
| As Black | 21 | 10 | 1 | 10 | 47.6% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Koichi Sugimoto's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Koichi Sugimoto's side.
First moves as White (25 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d4 | 16 | 64.0% | 34.4% |
| e4 | 9 | 36.0% | 11.1% |
Main lines as White
- 1.d4 — 64% of White games, 34.4% score
- …d5 (63% of these games) — Sugimoto usually continues c4 (50.0% score)
- …Nf6 (31% of these games) — Sugimoto usually continues c4 (0.0% score)
- …e6 (6% of these games) — Sugimoto usually continues c4 (0.0% score)
- 1.e4 — 36% of White games, 11.1% score
- …c5 (56% of these games) — Sugimoto usually continues Nf3 (0.0% score)
- …Nf6 (11% of these games) — Sugimoto usually continues e5 (0.0% score)
- …e5 (11% of these games) — Sugimoto usually continues Nf3 (0.0% score)
As Black against 1.e4 (8 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c5 | 5 | 62.5% | 60.0% |
| d5 | 2 | 25.0% | 50.0% |
| e5 | 1 | 12.5% | 100.0% |
As Black against 1.d4 (8 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d5 | 7 | 87.5% | 57.1% |
| Nf6 | 1 | 12.5% | 0.0% |
Koichi Sugimoto's chess games
All 46 games by Koichi Sugimoto in the Chess.ceo database (Apr 2003 - Jul 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: 16 wins, 2 draws, 28 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| D30 | Slav Defense | 5 | 2/1/2 | 40.0% |
| B43 | Sicilian | 3 | 0/0/3 | 0.0% |
| D56 | Queen's Gambit Declined: Orthodox Defense | 2 | 1/0/1 | 50.0% |
| D30 | Indian Defense | 2 | 1/0/1 | 50.0% |
| E14 | Queen's Indian Defense | 2 | 0/0/2 | 0.0% |
| A45 | London System | 1 | 0/0/1 | 0.0% |
| B06 | Pirc Defense | 1 | 0/0/1 | 0.0% |
| D34 | Queen's Gambit Declined | 1 | 0/0/1 | 0.0% |
| B05 | Alekhine Defense | 1 | 0/0/1 | 0.0% |
| A70 | Benoni Defense | 1 | 0/0/1 | 0.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B92 | Sicilian: Najdorf | 4 | 2/0/2 | 50.0% |
| D15 | Slav Defense | 4 | 2/0/2 | 50.0% |
| B01 | Scandinavian Defense: Main Line | 2 | 1/0/1 | 50.0% |
| D00 | London System | 2 | 1/0/1 | 50.0% |
| A11 | English Opening: Slav Setup | 2 | 1/1/0 | 50.0% |
| B72 | Sicilian: Dragon | 1 | 1/0/0 | 100.0% |
| B36 | English Opening | 1 | 0/0/1 | 0.0% |
| D03 | Torre Attack | 1 | 0/0/1 | 0.0% |
| A30 | English Opening: Symmetrical | 1 | 0/0/1 | 0.0% |
| D11 | Queen's Pawn Game | 1 | 1/0/0 | 100.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| May 2018 | Takuma Osaka | 1,956 | ch-JPN | D10 |
| Mar 2021 | Yukihiko Yoshii | 1,797 | ch-Sapporo Hokkaido | D15 |
| Apr 2018 | Ryota Kimura | 1,677 | ch-JPN | B01 |
| Mar 2021 | Katsumi Watanabe | 1,604 | ch-Sapporo Hokkaido | D56 |
| Mar 2024 | Takuto Kawamura | 1,601 | ch-Sapporo Hokkaido | D11 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| ch-JPN | 2025 | 16 | 5 | 1,815 |
| Olympiad-26 | 1984 | 10 | 3 | 2,130 |
| ch-Sapporo Hokkaido | 2024 | 7 | 5 | 1,752 |
| ch-Hokkaido | 2020 | 5 | 3 | 1,520 |
| ch-JPN 46th | 2013 | 5 | 0 | 1,536 |
| 24th Olympiad | 1980 | 3 | 1 | 2,211 |
Interactive opening tree from all 46 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Koichi Sugimoto's chess games?
46 games by Koichi Sugimoto, from Apr 2003 to Jul 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 Koichi Sugimoto has played.
What does Koichi Sugimoto play on the first move as White?
Across 25 games with White in our database, Koichi Sugimoto opens with 1.d4 (64% of games), 1.e4 (36% of games). Against 1.e4 as Black, Koichi Sugimoto answers 1...c5 (63% of games), 1...d5 (25% of games), 1...e5 (13% of games). Against 1.d4: 1...d5 (88% of games), 1...Nf6 (13% of games).
What openings does Koichi Sugimoto play as White?
As White, Koichi Sugimoto's most-played openings in our database are: Slav Defense (5 games, 40.0% win rate); Sicilian (3 games, 0.0% win rate); Queen's Gambit Declined: Orthodox Defense (2 games, 50.0% win rate). The full breakdown of 25 games with White is in the table above.
What openings does Koichi Sugimoto play as Black?
As Black, Koichi Sugimoto most often plays: Sicilian: Najdorf (4 games, 50.0% win rate); Slav Defense (4 games, 50.0% win rate); Scandinavian Defense: Main Line (2 games, 50.0% win rate). See the table above for the top ten Black openings across 21 games.
What is Koichi Sugimoto's FIDE rating?
Koichi Sugimoto is currently rated 1,796 in classical chess. Peak classical rating: 2,083 (Apr 2005).
How many games has Koichi Sugimoto played?
Our database contains 46 games by Koichi Sugimoto, covering Apr 2003 to Jul 2026. Overall record: 16 wins, 2 draws, 28 losses (34.8% win rate).
How do I prepare against Koichi Sugimoto?
46 games by Koichi Sugimoto 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.