Prepare against Koichi B Nicholas
United Kingdom · World #14,142 classical · FIDE ID 409820
When preparing against Koichi B Nicholas, expect 1.e4 in 82% of White games. Against 1.e4 the reply is 1...e5 (98% of games); against 1.d4, 1...Nf6 (58%). Lowest win rate among frequent openings: Benoni Defense as Black, 55.6% over 18 games.
Our database contains 204 games by Koichi B Nicholas, covering Apr 2003 to Sep 2026. Below you'll find Koichi B Nicholas's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Koichi B Nicholas 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 | 2,115 | 2,156 | Jan 2024 |
| Rapid | 1,990 | 2,092 | Dec 2012 |
| Blitz | 2,021 | 2,116 | Dec 2022 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 204 | 85 | 38 | 81 | 41.7% |
| As White | 105 | 47 | 16 | 42 | 44.8% |
| As Black | 99 | 38 | 22 | 39 | 38.4% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Koichi B Nicholas's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Koichi B Nicholas's side.
First moves as White (105 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e4 | 86 | 81.9% | 51.7% |
| Nc3 | 19 | 18.1% | 55.3% |
Main lines as White
- 1.e4 — 82% of White games, 51.7% score
- …c5 (41% of these games) — Nicholas usually continues Nf3 (52.9% score)
- …e6 (19% of these games) — Nicholas usually continues d4 (65.6% score)
- …c6 (14% of these games) — Nicholas usually continues d4 (33.3% score)
- 1.Nc3 — 18% of White games, 55.3% score
- …d5 (42% of these games) — Nicholas usually continues d4 (68.8% score)
- …Nf6 (21% of these games) — Nicholas usually continues d4 (75.0% score)
- …e6 (11% of these games) — Nicholas usually continues d4 (50.0% score)
As Black against 1.e4 (53 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e5 | 52 | 98.1% | 49.0% |
| c5 | 1 | 1.9% | 50.0% |
As Black against 1.d4 (31 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 18 | 58.1% | 55.6% |
| c5 | 9 | 29.0% | 61.1% |
| d5 | 4 | 12.9% | 75.0% |
Koichi B Nicholas's chess games
All 204 games by Koichi B Nicholas in the Chess.ceo database (Apr 2003 - Sep 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: 85 wins, 38 draws, 81 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B41 | Sicilian | 11 | 5/3/3 | 45.5% |
| D01 | Queen's Pawn Game: Chigorin Variation | 11 | 7/1/3 | 63.6% |
| C12 | French: Classical Variation | 8 | 4/1/3 | 50.0% |
| B90 | Sicilian: Najdorf | 8 | 1/1/6 | 12.5% |
| A00 | Dunst Opening | 7 | 2/0/5 | 28.6% |
| B15 | Modern Defense | 5 | 0/1/4 | 0.0% |
| B79 | Sicilian: Dragon | 5 | 2/1/2 | 40.0% |
| B18 | Caro-Kann: Classical | 4 | 0/1/3 | 0.0% |
| C69 | Ruy Lopez: Exchange | 4 | 1/2/1 | 25.0% |
| B06 | Pirc Defense | 4 | 1/0/3 | 25.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| A43 | Benoni Defense | 18 | 10/3/5 | 55.6% |
| C55 | Italian Game | 12 | 6/0/6 | 50.0% |
| C88 | Ruy Lopez: Closed | 10 | 4/1/5 | 40.0% |
| A33 | English Opening | 6 | 1/1/4 | 16.7% |
| A43 | Indian Defense | 5 | 2/0/3 | 40.0% |
| C77 | Ruy Lopez: Morphy Defense | 4 | 0/3/1 | 0.0% |
| C26 | Vienna Game | 4 | 1/2/1 | 25.0% |
| A36 | English Opening: Symmetrical | 4 | 0/2/2 | 0.0% |
| C45 | Scotch Game | 4 | 1/1/2 | 25.0% |
| C57 | Italian Game: Two Knights Defense | 3 | 2/0/1 | 66.7% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Jun 1999 | Simon Kim Williams | 2,371 | 2nd Kensington Open | C17 |
| Jan 2023 | John Merriman | 2,358 | chT2-BCF 2223 (4NCL) | C12 |
| Aug 2026 | Daniel Johnson | 2,330 | 2026 Mind Sports Olympiad London Rapid - Blitz (Sun) | A59 |
| Dec 2022 | Yichen Han | 2,323 | ch-UK Blitz | B33 |
| Oct 2000 | Miroslav Houska | 2,291 | Guernsey Open | A58 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| British Rapidplay | 2025 | 22 | 14 | 2,092 |
| ch-UK Blitz | 2022 | 15 | 3.5 | 2,035 |
| 2026 Mind Sports Olympiad London Rapid - Blitz (Sat) | 2026 | 11 | 6.5 | 2,056 |
| 4NCL Div 2 2025-26 | 2026 | 11 | 6.5 | 2,046 |
| 10th Smith & Williamson YM-B | 2000 | 11 | 5 | 2,047 |
| chT2-BCF 0001 (4NCL) | 2001 | 10 | 4.5 | 2,094 |
| chT2-BCF 2324 (4NCL) | 2024 | 10 | 3.5 | 2,042 |
| 2026 Mind Sports Olympiad London Rapid - Blitz (Sun) | 2026 | 10 | 5 | 2,059 |
Interactive opening tree from all 204 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Koichi B Nicholas's chess games?
204 games by Koichi B Nicholas, from Apr 2003 to Sep 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 B Nicholas has played.
What does Koichi B Nicholas play on the first move as White?
Across 105 games with White in our database, Koichi B Nicholas opens with 1.e4 (82% of games), 1.Nc3 (18% of games). Against 1.e4 as Black, Koichi B Nicholas answers 1...e5 (98% of games), 1...c5 (2% of games). Against 1.d4: 1...Nf6 (58% of games), 1...c5 (29% of games), 1...d5 (13% of games).
What openings does Koichi B Nicholas play as White?
As White, Koichi B Nicholas's most-played openings in our database are: Sicilian (11 games, 45.5% win rate); Queen's Pawn Game: Chigorin Variation (11 games, 63.6% win rate); French: Classical Variation (8 games, 50.0% win rate). The full breakdown of 105 games with White is in the table above.
What openings does Koichi B Nicholas play as Black?
As Black, Koichi B Nicholas most often plays: Benoni Defense (18 games, 55.6% win rate); Italian Game (12 games, 50.0% win rate); Ruy Lopez: Closed (10 games, 40.0% win rate). See the table above for the top ten Black openings across 99 games.
What is Koichi B Nicholas's FIDE rating?
Koichi B Nicholas is currently rated 2,115 in classical chess, 1,990 in rapid and 2,021 in blitz. Peak classical rating: 2,156 (Jan 2024).
How many games has Koichi B Nicholas played?
Our database contains 204 games by Koichi B Nicholas, covering Apr 2003 to Sep 2026. Overall record: 85 wins, 38 draws, 81 losses (41.7% win rate).
How do I prepare against Koichi B Nicholas?
204 games by Koichi B Nicholas 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.