Prepare against Oliver Harrison
United Kingdom · World #70,998 classical · FIDE ID 343410316
When preparing against Oliver Harrison, expect 1.e4 in 100% of White games. Against 1.e4 the reply is 1...e5 (90% of games); against 1.d4, 1...Nf6 (50%).
Our database contains 64 games by Oliver Harrison, covering Sep 2022 to Aug 2026. Below you'll find Oliver Harrison's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Oliver Harrison 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 | 1,818 | 1,898 | Apr 2026 |
| Rapid | 1,680 | 1,747 | Nov 2025 |
| Blitz | 1,817 | 1,840 | Feb 2025 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 64 | 19 | 11 | 34 | 29.7% |
| As White | 29 | 9 | 4 | 16 | 31.0% |
| As Black | 35 | 10 | 7 | 18 | 28.6% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Oliver Harrison's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Oliver Harrison's side.
First moves as White (28 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e4 | 28 | 100.0% | 39.3% |
Main lines as White
- 1.e4 — 100% of White games, 39.3% score
- …c5 (29% of these games) — Harrison usually continues Nf3 (43.8% score)
- …e5 (21% of these games) — Harrison usually continues Nf3 (40.0% score)
- …c6 (18% of these games) — Harrison usually continues c4 (62.5% score)
As Black against 1.e4 (21 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e5 | 19 | 90.5% | 39.5% |
| c5 | 1 | 4.8% | 100.0% |
| e6 | 1 | 4.8% | 50.0% |
As Black against 1.d4 (10 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 5 | 50.0% | 30.0% |
| c5 | 3 | 30.0% | 16.7% |
| f5 | 1 | 10.0% | 100.0% |
| d5 | 1 | 10.0% | 0.0% |
Oliver Harrison's chess games
All 64 games by Oliver Harrison in the Chess.ceo database (Sep 2022 - 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: 19 wins, 11 draws, 34 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B22 | Sicilian | 6 | 3/0/3 | 50.0% |
| B10 | Caro-Kann | 5 | 2/1/2 | 40.0% |
| B06 | Modern Defense | 2 | 0/0/2 | 0.0% |
| C00 | French Defense | 2 | 1/0/1 | 50.0% |
| C03 | French: Tarrasch Variation | 2 | 1/0/1 | 50.0% |
| B07 | Pirc Defense | 1 | 1/0/0 | 100.0% |
| C68 | Ruy Lopez: Exchange | 1 | 0/1/0 | 0.0% |
| B01 | Scandinavian Defense: Main Line | 1 | 0/0/1 | 0.0% |
| C44 | Scotch Game | 1 | 0/0/1 | 0.0% |
| B27 | Sicilian: Hyperaccelerated Dragon | 1 | 0/0/1 | 0.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| C54 | Italian Game | 6 | 5/0/1 | 83.3% |
| C78 | Ruy Lopez: Morphy Defense | 3 | 0/1/2 | 0.0% |
| A43 | Benoni Defense | 3 | 0/1/2 | 0.0% |
| A04 | Dutch Defense | 2 | 1/0/1 | 50.0% |
| C45 | Scotch Game | 2 | 1/0/1 | 50.0% |
| D35 | Indian Defense | 2 | 0/0/2 | 0.0% |
| C25 | Vienna Game | 2 | 0/0/2 | 0.0% |
| C47 | Four Knights Game: Scotch Variation | 1 | 0/1/0 | 0.0% |
| C47 | Four Knights Game | 1 | 0/0/1 | 0.0% |
| D78 | English Opening: Slav Setup | 1 | 1/0/0 | 100.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Jan 2026 | Obioma ONUOHA | 2,056 | Hastings International Chess Congress 2025: Weekend Open | C54 |
| Feb 2026 | Jonathan W Arnott | 2,038 | 1st University of Warwick Congress: Open | C56 |
| Feb 2026 | Chee Sian Sebastien Chua | 2,037 | 1st University of Warwick Congress: Open | C03 |
| Jan 2026 | Michael Hubbard | 1,942 | Hastings International Chess Congress 2025: Weekend Open | D78 |
| Jan 2024 | Philip Staniland | 1,757 | Hastings Weekend Open B | B10 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| ch-British Universities | 2024 | 7 | 1 | 1,414 |
| Wroclaw Anderssen Memorial Open B | 2023 | 7 | 2 | 1,388 |
| British Universities Chess Association Championships 2026 | Plate | 2026 | 6 | 0.5 | 1,528 |
| ch-BCF PM U2050 Open | 2024 | 6 | 4 | 1,842 |
| Hastings Weekend Open B | 2024 | 5 | 4 | 1,857 |
| Leamington Spa 4NCL Open C 28th | 2022 | 5 | 3.5 | 1,581 |
| Welsh Championships 2026 | Open | 2026 | 5 | 1.5 | 1,481 |
| BCF-ch Penrose U2000 Open | 2024 | 5 | 1.5 | 1,546 |
Interactive opening tree from all 64 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Oliver Harrison's chess games?
64 games by Oliver Harrison, from Sep 2022 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 Oliver Harrison has played.
What does Oliver Harrison play on the first move as White?
Across 28 games with White in our database, Oliver Harrison opens with 1.e4 (100% of games). Against 1.e4 as Black, Oliver Harrison answers 1...e5 (90% of games), 1...c5 (5% of games), 1...e6 (5% of games). Against 1.d4: 1...Nf6 (50% of games), 1...c5 (30% of games), 1...f5 (10% of games).
What openings does Oliver Harrison play as White?
As White, Oliver Harrison's most-played openings in our database are: Sicilian (6 games, 50.0% win rate); Caro-Kann (5 games, 40.0% win rate); Modern Defense (2 games, 0.0% win rate). The full breakdown of 29 games with White is in the table above.
What openings does Oliver Harrison play as Black?
As Black, Oliver Harrison most often plays: Italian Game (6 games, 83.3% win rate); Ruy Lopez: Morphy Defense (3 games, 0.0% win rate); Benoni Defense (3 games, 0.0% win rate). See the table above for the top ten Black openings across 35 games.
What is Oliver Harrison's FIDE rating?
Oliver Harrison is currently rated 1,818 in classical chess, 1,680 in rapid and 1,817 in blitz. Peak classical rating: 1,898 (Apr 2026).
How many games has Oliver Harrison played?
Our database contains 64 games by Oliver Harrison, covering Sep 2022 to Aug 2026. Overall record: 19 wins, 11 draws, 34 losses (29.7% win rate).
How do I prepare against Oliver Harrison?
64 games by Oliver Harrison 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.