Prepare against Alfie Onslow
United Kingdom · World #8,484 classical · FIDE ID 436976
When preparing against Alfie Onslow, expect 1.e4 in 64% of White games. Against 1.e4 the reply is 1...c5 (37% of games); against 1.d4, 1...Nf6 (67%). Lowest win rate among frequent openings: Sicilian as Black, 14.3% over 21 games.
Our database contains 834 games by Alfie Onslow, covering Jul 2014 to Sep 2026. Below you'll find Alfie Onslow's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Alfie Onslow 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 | 2,196 | 2,199 | Aug 2026 |
| Rapid | 2,032 | 2,048 | Apr 2023 |
| Blitz | 2,146 | 2,147 | Mar 2026 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 834 | 287 | 85 | 462 | 34.4% |
| As White | 418 | 160 | 43 | 215 | 38.3% |
| As Black | 416 | 127 | 42 | 247 | 30.5% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Alfie Onslow's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Alfie Onslow's side.
First moves as White (418 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e4 | 266 | 63.6% | 45.3% |
| Nf3 | 94 | 22.5% | 35.1% |
| d4 | 52 | 12.4% | 48.1% |
| c4 | 6 | 1.4% | 50.0% |
Main lines as White
- 1.e4 — 64% of White games, 45.3% score
- …c5 (44% of these games) — Onslow usually continues Nc3 (39.3% score)
- …e5 (19% of these games) — Onslow usually continues Bc4 (45.2% score)
- …c6 (14% of these games) — Onslow usually continues d4 (47.4% score)
- 1.Nf3 — 22% of White games, 35.1% score
- …Nf6 (36% of these games) — Onslow usually continues c4 (30.6% score)
- …d5 (32% of these games) — Onslow usually continues c4 (33.9% score)
- …g6 (10% of these games) — Onslow usually continues c4 (33.3% score)
As Black against 1.e4 (190 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c5 | 71 | 37.4% | 29.6% |
| g6 | 64 | 33.7% | 29.7% |
| c6 | 47 | 24.7% | 46.8% |
| d6 | 5 | 2.6% | 20.0% |
| e5 | 2 | 1.1% | 100.0% |
As Black against 1.d4 (144 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 97 | 67.4% | 33.0% |
| d5 | 37 | 25.7% | 45.9% |
| g6 | 9 | 6.3% | 61.1% |
Alfie Onslow's chess games
All 834 games by Alfie Onslow in the Chess.ceo database (Jul 2014 - 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: 287 wins, 85 draws, 462 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B23 | Sicilian: Closed | 70 | 25/5/40 | 35.7% |
| A45 | London System | 36 | 16/5/15 | 44.4% |
| A13 | English Opening | 27 | 10/1/16 | 37.0% |
| C28 | Bishop's Opening | 25 | 9/2/14 | 36.0% |
| A09 | Réti Opening | 23 | 12/1/10 | 52.2% |
| B06 | Modern Defense | 22 | 6/1/15 | 27.3% |
| B40 | Sicilian | 17 | 8/4/5 | 47.1% |
| C02 | French: Advance Variation | 15 | 4/1/10 | 26.7% |
| B12 | Caro-Kann: Advance Variation | 11 | 4/4/3 | 36.4% |
| B10 | Caro-Kann | 11 | 3/1/7 | 27.3% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B06 | Modern Defense | 74 | 22/5/47 | 29.7% |
| A57 | Benoni Defense | 43 | 11/3/29 | 25.6% |
| A04 | Réti Opening | 22 | 5/0/17 | 22.7% |
| A43 | Indian Defense | 22 | 6/1/15 | 27.3% |
| B32 | Sicilian | 21 | 3/1/17 | 14.3% |
| A33 | English Opening | 15 | 4/2/9 | 26.7% |
| B31 | Sicilian: Rossolimo | 14 | 2/0/12 | 14.3% |
| A34 | English Opening: Symmetrical | 14 | 4/1/9 | 28.6% |
| B23 | Sicilian: Closed | 13 | 4/2/7 | 30.8% |
| B12 | Caro-Kann: Advance Variation | 12 | 4/3/5 | 33.3% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Sep 2023 | Alexandra Kosteniuk | 2,523 | Titled Tue Early | A38 |
| Sep 2023 | Yahli Sokolovsky | 2,474 | Titled Tue Late | A05 |
| May 2024 | Simon K Williams | 2,467 | Titled Tue Early | B14 |
| Aug 2026 | Marcus R Harvey | 2,450 | 2026 Mind Sports Olympiad London Rapid - Open | A06 |
| Apr 2022 | Vasiliy Korchmar | 2,450 | Titled Tue Early | B15 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| Titled Tuesday | 2026 | 628 | 217 | 2,133 |
| ch-UK Blitz | 2022 | 15 | 6.5 | 2,202 |
| 23rd ch-EU | 2023 | 11 | 5 | 2,209 |
| Dublin Irish New Year IM | 2023 | 9 | 4.5 | 2,261 |
| 112th ch-GBR Major Open | 2026 | 9 | 6 | 2,111 |
| London Mindsports IM A | 2023 | 9 | 3 | 2,190 |
| 4NCL Div 2 2025-26 | 2026 | 8 | 7 | 2,380 |
| London Mindsports Rapid | 2022 | 7 | 3 | 2,002 |
Interactive opening tree from all 834 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Alfie Onslow's chess games?
834 games by Alfie Onslow, from Jul 2014 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 Alfie Onslow has played.
What does Alfie Onslow play on the first move as White?
Across 418 games with White in our database, Alfie Onslow opens with 1.e4 (64% of games), 1.Nf3 (22% of games), 1.d4 (12% of games). Against 1.e4 as Black, Alfie Onslow answers 1...c5 (37% of games), 1...g6 (34% of games), 1...c6 (25% of games). Against 1.d4: 1...Nf6 (67% of games), 1...d5 (26% of games), 1...g6 (6% of games).
What openings does Alfie Onslow play as White?
As White, Alfie Onslow's most-played openings in our database are: Sicilian: Closed (70 games, 35.7% win rate); London System (36 games, 44.4% win rate); English Opening (27 games, 37.0% win rate). The full breakdown of 418 games with White is in the table above.
What openings does Alfie Onslow play as Black?
As Black, Alfie Onslow most often plays: Modern Defense (74 games, 29.7% win rate); Benoni Defense (43 games, 25.6% win rate); Réti Opening (22 games, 22.7% win rate). See the table above for the top ten Black openings across 416 games.
What is Alfie Onslow's FIDE rating?
Alfie Onslow is currently rated 2,196 in classical chess, 2,032 in rapid and 2,146 in blitz. Peak classical rating: 2,199 (Aug 2026).
How many games has Alfie Onslow played?
Our database contains 834 games by Alfie Onslow, covering Jul 2014 to Sep 2026. Overall record: 287 wins, 85 draws, 462 losses (34.4% win rate).
How do I prepare against Alfie Onslow?
834 games by Alfie Onslow 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.