Prepare against Martin Ahn
FM · Belgium · World #13,973 classical · FIDE ID 200972
When preparing against Martin Ahn, expect 1.e4 in 98% of White games. Against 1.e4 the reply is 1...c5 (94% of games); against 1.d4, 1...Nf6 (80%). Lowest win rate among frequent openings: King's Indian Defense: Orthodox Variation as Black, 25.8% over 31 games.
Our database contains 664 games by Martin Ahn, covering Apr 2003 to Aug 2026. Below you'll find Martin Ahn's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Martin Ahn 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 | 2,116 | 2,322 | Apr 2007 |
| Rapid | 2,103 | 2,262 | Sep 2018 |
| Blitz | 2,155 | 2,170 | May 2022 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 664 | 185 | 278 | 201 | 27.9% |
| As White | 324 | 98 | 142 | 84 | 30.2% |
| As Black | 340 | 87 | 136 | 117 | 25.6% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Martin Ahn's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Martin Ahn's side.
First moves as White (323 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e4 | 316 | 97.8% | 52.2% |
| d4 | 4 | 1.2% | 50.0% |
| c4 | 3 | 0.9% | 33.3% |
Main lines as White
- 1.e4 — 98% of White games, 52.2% score
- …c5 (45% of these games) — Ahn usually continues Nf3 (55.0% score)
- …e6 (18% of these games) — Ahn usually continues d4 (53.0% score)
- …e5 (17% of these games) — Ahn usually continues Nf3 (47.0% score)
- 1.d4 — 1% of White games, 50.0% score
- …Nf6 (50% of these games) — Ahn usually continues c4 (50.0% score)
- …d5 (25% of these games) — Ahn usually continues Nc3 (50.0% score)
- …e6 (25% of these games) — Ahn usually continues c4 (50.0% score)
As Black against 1.e4 (154 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c5 | 145 | 94.2% | 50.7% |
| g6 | 9 | 5.8% | 61.1% |
As Black against 1.d4 (125 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 100 | 80.0% | 39.5% |
| g6 | 10 | 8.0% | 50.0% |
| f5 | 9 | 7.2% | 50.0% |
| e6 | 3 | 2.4% | 50.0% |
| d5 | 2 | 1.6% | 75.0% |
| c5 | 1 | 0.8% | 0.0% |
Martin Ahn's chess games
All 664 games by Martin Ahn 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: 185 wins, 278 draws, 201 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B56 | Sicilian | 50 | 15/23/12 | 30.0% |
| C01 | French Defense | 29 | 8/16/5 | 27.6% |
| B93 | Sicilian: Najdorf | 23 | 7/10/6 | 30.4% |
| C18 | French: Winawer Variation | 18 | 6/4/8 | 33.3% |
| B33 | Sicilian: Sveshnikov | 15 | 4/10/1 | 26.7% |
| B45 | Sicilian: Four Knights | 11 | 5/6/0 | 45.5% |
| B06 | Modern Defense | 11 | 3/4/4 | 27.3% |
| C47 | Four Knights Game: Glek System | 11 | 1/7/3 | 9.1% |
| B09 | Pirc Defense | 11 | 2/6/3 | 18.2% |
| B47 | Sicilian: Taimanov | 11 | 4/1/6 | 36.4% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B76 | Sicilian: Dragon | 60 | 19/22/19 | 31.7% |
| E92 | King's Indian Defense: Orthodox Variation | 31 | 8/12/11 | 25.8% |
| B50 | Sicilian | 27 | 7/11/9 | 25.9% |
| B06 | Modern Defense | 26 | 8/9/9 | 30.8% |
| B23 | Sicilian: Closed | 17 | 8/5/4 | 47.1% |
| A24 | English Opening | 13 | 1/5/7 | 7.7% |
| D03 | Indian Defense | 13 | 2/6/5 | 15.4% |
| B27 | Sicilian: Hyperaccelerated Dragon | 12 | 5/4/3 | 41.7% |
| E81 | King's Indian: Sämisch | 12 | 0/7/5 | 0.0% |
| A96 | Dutch Defense | 11 | 3/3/5 | 27.3% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Jan 2001 | Mikhail Kazakov | 2,512 | Mans | B49 |
| Jan 1997 | Viktor Kupreichik | 2,500 | Eupen CERA Open | B70 |
| Oct 2018 | Mathias Demarre | 2,496 | chT-BEL 1819 | B06 |
| Apr 2026 | Harry Grieve | 2,493 | Grenke Chess Festival 2026 | Freestyle Open A | ? |
| Jan 1997 | Romuald Mainka | 2,480 | Eupen CERA Open | B56 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| ch-BEL | 2008 | 48 | 22 | 2,279 |
| Wch U20 | 1992 | 13 | 5.5 | 2,249 |
| chT-BEL 9899 | 1999 | 11 | 5.5 | 2,217 |
| Hamburg IM | 2000 | 11 | 7 | 2,469 |
| Bundesliga 2000-01 | 2001 | 11 | 5.5 | 2,415 |
| chT-BEL 0607 | 2007 | 11 | 5 | 2,241 |
| Muenster-IM | 1994 | 11 | 5 | 2,301 |
| chT-BEL 9697 | 1997 | 11 | 6 | 2,310 |
Interactive opening tree from all 664 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Martin Ahn's chess games?
664 games by Martin Ahn, 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 Martin Ahn has played.
What does Martin Ahn play on the first move as White?
Across 323 games with White in our database, Martin Ahn opens with 1.e4 (98% of games), 1.d4 (1% of games), 1.c4 (1% of games). Against 1.e4 as Black, Martin Ahn answers 1...c5 (94% of games), 1...g6 (6% of games). Against 1.d4: 1...Nf6 (80% of games), 1...g6 (8% of games), 1...f5 (7% of games).
What openings does Martin Ahn play as White?
As White, Martin Ahn's most-played openings in our database are: Sicilian (50 games, 30.0% win rate); French Defense (29 games, 27.6% win rate); Sicilian: Najdorf (23 games, 30.4% win rate). The full breakdown of 324 games with White is in the table above.
What openings does Martin Ahn play as Black?
As Black, Martin Ahn most often plays: Sicilian: Dragon (60 games, 31.7% win rate); King's Indian Defense: Orthodox Variation (31 games, 25.8% win rate); Sicilian (27 games, 25.9% win rate). See the table above for the top ten Black openings across 340 games.
What is Martin Ahn's FIDE rating?
Martin Ahn is currently rated 2,116 in classical chess, 2,103 in rapid and 2,155 in blitz. Peak classical rating: 2,322 (Apr 2007).
How many games has Martin Ahn played?
Our database contains 664 games by Martin Ahn, covering Apr 2003 to Aug 2026. Overall record: 185 wins, 278 draws, 201 losses (27.9% win rate).
How do I prepare against Martin Ahn?
664 games by Martin Ahn 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.