Prepare against Onno Elgersma
FM · NLD · World #2,964 classical · FIDE ID 1053531
When preparing against Onno Elgersma, expect 1.e4 in 69% of White games. Against 1.e4 the reply is 1...c6 (34% of games); against 1.d4, 1...d5 (50%). Lowest win rate among frequent openings: Caro-Kann: Two Knights Variation as Black, 13.3% over 15 games.
Our database contains 949 games by Onno Elgersma, covering May 2015 to Sep 2026. Below you'll find Onno Elgersma's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Onno Elgersma 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 | 2,340 | 2,420 | Mar 2025 |
| Rapid | 2,344 | 2,344 | Sep 2026 |
| Blitz | 2,372 | 2,372 | Sep 2026 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 949 | 417 | 170 | 362 | 43.9% |
| As White | 471 | 220 | 74 | 177 | 46.7% |
| As Black | 478 | 197 | 96 | 185 | 41.2% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Onno Elgersma's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Onno Elgersma's side.
First moves as White (470 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e4 | 325 | 69.1% | 54.0% |
| Nf3 | 63 | 13.4% | 64.3% |
| d4 | 51 | 10.9% | 41.2% |
| c3 | 10 | 2.1% | 75.0% |
| c4 | 9 | 1.9% | 38.9% |
| g3 | 4 | 0.9% | 50.0% |
Main lines as White
- 1.e4 — 69% of White games, 54.0% score
- …c5 (42% of these games) — Elgersma usually continues Nf3 (49.3% score)
- …e5 (25% of these games) — Elgersma usually continues Nf3 (57.1% score)
- …c6 (13% of these games) — Elgersma usually continues d4 (50.0% score)
- 1.Nf3 — 13% of White games, 64.3% score
- …d5 (41% of these games) — Elgersma usually continues g3 (60.0% score)
- …Nf6 (40% of these games) — Elgersma usually continues d4 (54.5% score)
- …g6 (5% of these games) — Elgersma usually continues e4 (50.0% score)
As Black against 1.e4 (228 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c6 | 77 | 33.8% | 45.5% |
| e6 | 59 | 25.9% | 57.6% |
| c5 | 46 | 20.2% | 50.0% |
| e5 | 27 | 11.8% | 50.0% |
| Nc6 | 9 | 3.9% | 44.4% |
| d6 | 5 | 2.2% | 0.0% |
As Black against 1.d4 (159 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d5 | 80 | 50.3% | 52.5% |
| Nf6 | 69 | 43.4% | 55.8% |
| e6 | 7 | 4.4% | 42.9% |
| d6 | 2 | 1.3% | 50.0% |
| g6 | 1 | 0.6% | 100.0% |
Onno Elgersma's chess games
All 949 games by Onno Elgersma in the Chess.ceo database (May 2015 - 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: 417 wins, 170 draws, 362 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B40 | Sicilian | 41 | 20/5/16 | 48.8% |
| B51 | Sicilian: Moscow Variation | 35 | 16/8/11 | 45.7% |
| B31 | Sicilian: Rossolimo | 26 | 10/3/13 | 38.5% |
| C78 | Ruy Lopez: Morphy Defense | 21 | 12/4/5 | 57.1% |
| A07 | Réti Opening | 20 | 13/2/5 | 65.0% |
| B11 | Caro-Kann: Two Knights Variation | 19 | 12/0/7 | 63.2% |
| B90 | Sicilian: Najdorf | 15 | 5/4/6 | 33.3% |
| B06 | Modern Defense | 13 | 6/2/5 | 46.2% |
| B12 | Caro-Kann: Advance Variation | 13 | 3/5/5 | 23.1% |
| C00 | French Defense | 13 | 7/0/6 | 53.8% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| D35 | Indian Defense | 76 | 34/14/28 | 44.7% |
| E05 | Catalan | 41 | 14/13/14 | 34.1% |
| B46 | Sicilian | 28 | 12/3/13 | 42.9% |
| B12 | Caro-Kann: Advance Variation | 23 | 11/4/8 | 47.8% |
| C07 | French: Tarrasch Variation | 17 | 10/2/5 | 58.8% |
| B15 | Caro-Kann: Main Line | 15 | 8/3/4 | 53.3% |
| B11 | Caro-Kann: Two Knights Variation | 15 | 2/4/9 | 13.3% |
| B13 | Caro-Kann: Exchange Variation | 14 | 5/1/8 | 35.7% |
| C11 | French: Classical Variation | 13 | 2/5/6 | 15.4% |
| D32 | English Opening | 12 | 8/0/4 | 66.7% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Apr 2021 | Murali Karthikeyan | 2,606 | Titled Tue | D03 |
| Oct 2020 | Emilio Cordova | 2,592 | Speed Chess Super Swiss | E05 |
| Apr 2023 | Dennis Wagner | 2,588 | Titled Tue Early | C78 |
| Apr 2022 | Srinath Narayanan | 2,559 | Titled Tue Early | B14 |
| Apr 2023 | Jan Smeets | 2,555 | chT-NED 2223 | B11 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| Titled Tuesday | 2024 | 381 | 181.5 | 2,270 |
| Amsterdam Science Park Open A | 2024 | 28 | 16 | 2,243 |
| Dieren Open | 2022 | 19 | 7 | 2,143 |
| ch-NED U14 | 2018 | 18 | 11.5 | 1,988 |
| Chess.com Bullet Open 2 | 2020 | 18 | 8.5 | 2,300 |
| ch-NED U10 | 2013 | 16 | 11 | 800 |
| Speed Chess Super Swiss | 2020 | 15 | 7.5 | 2,364 |
| ch-NED U18 | 2022 | 14 | 9.5 | 2,228 |
Interactive opening tree from all 949 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Onno Elgersma's chess games?
949 games by Onno Elgersma, from May 2015 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 Onno Elgersma has played.
What does Onno Elgersma play on the first move as White?
Across 470 games with White in our database, Onno Elgersma opens with 1.e4 (69% of games), 1.Nf3 (13% of games), 1.d4 (11% of games). Against 1.e4 as Black, Onno Elgersma answers 1...c6 (34% of games), 1...e6 (26% of games), 1...c5 (20% of games). Against 1.d4: 1...d5 (50% of games), 1...Nf6 (43% of games), 1...e6 (4% of games).
What openings does Onno Elgersma play as White?
As White, Onno Elgersma's most-played openings in our database are: Sicilian (41 games, 48.8% win rate); Sicilian: Moscow Variation (35 games, 45.7% win rate); Sicilian: Rossolimo (26 games, 38.5% win rate). The full breakdown of 471 games with White is in the table above.
What openings does Onno Elgersma play as Black?
As Black, Onno Elgersma most often plays: Indian Defense (76 games, 44.7% win rate); Catalan (41 games, 34.1% win rate); Sicilian (28 games, 42.9% win rate). See the table above for the top ten Black openings across 478 games.
What is Onno Elgersma's FIDE rating?
Onno Elgersma is currently rated 2,340 in classical chess, 2,344 in rapid and 2,372 in blitz. Peak classical rating: 2,420 (Mar 2025).
How many games has Onno Elgersma played?
Our database contains 949 games by Onno Elgersma, covering May 2015 to Sep 2026. Overall record: 417 wins, 170 draws, 362 losses (43.9% win rate).
How do I prepare against Onno Elgersma?
949 games by Onno Elgersma 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.