Prepare against Koichi B Nicholas
United Kingdom · World #14,164 classical · FIDE ID 409820
When preparing against Koichi B Nicholas, expect 1.e4 in 93% of White games. Against 1.e4 the reply is 1...e5 (98% of games); against 1.d4, 1...Nf6 (75%).
Our database contains 173 games by Koichi B Nicholas, covering Apr 2003 to Aug 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 | 2,114 | 2,156 | Jan 2024 |
| Rapid | 1,973 | 2,092 | Dec 2012 |
| Blitz | 1,996 | 2,116 | Dec 2022 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 173 | 71 | 35 | 67 | 41.0% |
| As White | 91 | 41 | 15 | 35 | 45.1% |
| As Black | 82 | 30 | 20 | 32 | 36.6% |
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 (91 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e4 | 85 | 93.4% | 52.4% |
| Nc3 | 6 | 6.6% | 66.7% |
Main lines as White
- 1.e4 — 93% of White games, 52.4% score
- …c5 (41% of these games) — Nicholas usually continues Nf3 (52.9% score)
- …e6 (18% of these games) — Nicholas usually continues d4 (70.0% score)
- …c6 (14% of these games) — Nicholas usually continues d4 (33.3% score)
- 1.Nc3 — 7% of White games, 66.7% score
- …d5 (50% of these games) — Nicholas usually continues d4 (100.0% score)
- …c5 (33% of these games) — Nicholas usually continues d4 (0.0% score)
- …e5 (17% of these games) — Nicholas usually continues Nf3 (100.0% score)
As Black against 1.e4 (47 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e5 | 46 | 97.9% | 48.9% |
| c5 | 1 | 2.1% | 50.0% |
As Black against 1.d4 (24 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 18 | 75.0% | 55.6% |
| d5 | 4 | 16.7% | 75.0% |
| c5 | 2 | 8.3% | 75.0% |
Koichi B Nicholas's chess games
All 173 games by Koichi B Nicholas 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: 71 wins, 35 draws, 67 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B41 | Sicilian | 11 | 5/3/3 | 45.5% |
| B90 | Sicilian: Najdorf | 8 | 1/1/6 | 12.5% |
| C12 | French: Classical Variation | 7 | 4/1/2 | 57.1% |
| B15 | Modern Defense | 5 | 0/1/4 | 0.0% |
| B79 | Sicilian: Dragon | 5 | 2/1/2 | 40.0% |
| C69 | Ruy Lopez: Exchange | 4 | 1/2/1 | 25.0% |
| B18 | Caro-Kann: Classical | 4 | 0/1/3 | 0.0% |
| B32 | Sicilian: Accelerated Dragon | 4 | 3/1/0 | 75.0% |
| B03 | Alekhine Defense | 4 | 3/0/1 | 75.0% |
| D00 | Queen's Pawn Game: Chigorin Variation | 3 | 3/0/0 | 100.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| A57 | Benoni Defense | 12 | 7/3/2 | 58.3% |
| C88 | Ruy Lopez: Closed | 10 | 4/1/5 | 40.0% |
| C55 | Italian Game | 9 | 4/0/5 | 44.4% |
| A33 | English Opening | 5 | 1/1/3 | 20.0% |
| C77 | Ruy Lopez: Morphy Defense | 4 | 0/3/1 | 0.0% |
| A36 | English Opening: Symmetrical | 4 | 0/2/2 | 0.0% |
| C45 | Scotch Game | 4 | 1/1/2 | 25.0% |
| A43 | Indian Defense | 4 | 1/0/3 | 25.0% |
| D20 | Queen's Gambit Accepted | 3 | 2/0/1 | 66.7% |
| 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 |
| Dec 2022 | Yichen Han | 2,323 | ch-UK Blitz | B33 |
| Oct 2000 | Miroslav Houska | 2,291 | Guernsey Open | A58 |
| Mar 2025 | Supratit Banerjee | 2,250 | British Rapidplay | C45 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| British Rapidplay | 2025 | 22 | 14 | 2,092 |
| ch-UK Blitz | 2022 | 15 | 3.5 | 2,035 |
| 4NCL Div 2 2025-26 | 2026 | 11 | 6.5 | 2,046 |
| 10th Smith & Williamson YM-B | 2000 | 11 | 5 | 2,047 |
| chT2-BCF 2324 (4NCL) | 2024 | 10 | 3.5 | 2,042 |
| chT2-BCF 0001 (4NCL) | 2001 | 10 | 4.5 | 2,094 |
| 111th ch-GBR Major Open | 2025 | 8 | 6 | 2,143 |
| ch-BCF Major | 2024 | 8 | 5 | 2,064 |
Interactive opening tree from all 173 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Koichi B Nicholas's chess games?
173 games by Koichi B Nicholas, 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 Koichi B Nicholas has played.
What does Koichi B Nicholas play on the first move as White?
Across 91 games with White in our database, Koichi B Nicholas opens with 1.e4 (93% of games), 1.Nc3 (7% 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 (75% of games), 1...d5 (17% of games), 1...c5 (8% 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); Sicilian: Najdorf (8 games, 12.5% win rate); French: Classical Variation (7 games, 57.1% win rate). The full breakdown of 91 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 (12 games, 58.3% win rate); Ruy Lopez: Closed (10 games, 40.0% win rate); Italian Game (9 games, 44.4% win rate). See the table above for the top ten Black openings across 82 games.
What is Koichi B Nicholas's FIDE rating?
Koichi B Nicholas is currently rated 2,114 in classical chess, 1,973 in rapid and 1,996 in blitz. Peak classical rating: 2,156 (Jan 2024).
How many games has Koichi B Nicholas played?
Our database contains 173 games by Koichi B Nicholas, covering Apr 2003 to Aug 2026. Overall record: 71 wins, 35 draws, 67 losses (41.0% win rate).
How do I prepare against Koichi B Nicholas?
173 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.