Prepare against Pierre Debailleul
France · World #32,720 classical · FIDE ID 637262
When preparing against Pierre Debailleul, expect 1.d4 in 80% of White games. Against 1.e4 the reply is 1...e6 (73% of games); against 1.d4, 1...Nf6 (100%).
Our database contains 36 games by Pierre Debailleul, covering Jul 2003 to Nov 2026. Below you'll find Pierre Debailleul's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Pierre Debailleul 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 | 1,971 | 2,024 | Jan 2005 |
| Rapid | 1,890 | 1,981 | May 2022 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 36 | 13 | 9 | 14 | 36.1% |
| As White | 20 | 8 | 5 | 7 | 40.0% |
| As Black | 16 | 5 | 4 | 7 | 31.3% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Pierre Debailleul's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Pierre Debailleul's side.
First moves as White (20 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d4 | 16 | 80.0% | 53.1% |
| Nf3 | 3 | 15.0% | 50.0% |
| b3 | 1 | 5.0% | 50.0% |
Main lines as White
- 1.d4 — 80% of White games, 53.1% score
- …Nf6 (56% of these games) — Debailleul usually continues Bg5 (40.0% score)
- …d5 (31% of these games) — Debailleul usually continues Nf3 (60.0% score)
- …f5 (6% of these games) — Debailleul usually continues e4 (100.0% score)
- 1.Nf3 — 15% of White games, 50.0% score
- …g6 (67% of these games) — Debailleul usually continues g3 (25.0% score)
- …d5 (33% of these games) — Debailleul usually continues g3 (100.0% score)
As Black against 1.e4 (11 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e6 | 8 | 72.7% | 12.5% |
| d5 | 2 | 18.2% | 75.0% |
| g6 | 1 | 9.1% | 100.0% |
As Black against 1.d4 (3 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 3 | 100.0% | 100.0% |
Pierre Debailleul's chess games
All 36 games by Pierre Debailleul in the Chess.ceo database (Jul 2003 - Nov 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: 13 wins, 9 draws, 14 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| A45 | Trompowsky Attack | 5 | 2/0/3 | 40.0% |
| A46 | Indian Defense | 3 | 2/1/0 | 66.7% |
| D02 | Queen's Pawn Game | 3 | 1/2/0 | 33.3% |
| E97 | King's Indian Defense: Orthodox Variation | 2 | 0/0/2 | 0.0% |
| A04 | Modern Defense | 2 | 0/1/1 | 0.0% |
| A01 | Nimzovich-Larsen attack | 1 | 0/1/0 | 0.0% |
| A82 | Dutch Defense | 1 | 1/0/0 | 100.0% |
| D04 | Colle System | 1 | 0/0/1 | 0.0% |
| A30 | Réti Opening | 1 | 1/0/0 | 100.0% |
| D03 | Torre Attack | 1 | 1/0/0 | 100.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| C11 | French: Classical Variation | 3 | 0/0/3 | 0.0% |
| E97 | King's Indian Defense: Orthodox Variation | 2 | 1/1/0 | 50.0% |
| A00 | Modern Defense | 2 | 1/0/1 | 50.0% |
| C02 | French: Advance Variation | 2 | 0/0/2 | 0.0% |
| E61 | King's Indian Defense | 1 | 1/0/0 | 100.0% |
| B01 | Scandinavian Defense: Main Line | 1 | 1/0/0 | 100.0% |
| A57 | Benoni Defense | 1 | 1/0/0 | 100.0% |
| B01 | Scandinavian Defense: Modern Variation | 1 | 0/1/0 | 0.0% |
| C00 | French Defense | 1 | 0/1/0 | 0.0% |
| C01 | French: Exchange Variation | 1 | 0/1/0 | 0.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Dec 2002 | Jean-Louis Guilbert | 2,114 | 23rd Bethune Open A | E61 |
| Jan 1998 | Claude Zerbib | 2,045 | 3rd Herlies Open | A82 |
| Nov 2002 | Alexandre Silvert | 1,950 | chT3-FRA Gr8 0203 | A30 |
| Dec 2005 | Matthieu Engster | 1,822 | Bethune Open 26th | A00 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| Bethune Open | 1999 | 9 | 4 | 2,251 |
| chT3-FRA Gr8 0203 | 2003 | 5 | 2 | 2,001 |
| 21st Bethune Open | 2000 | 5 | 2 | 2,056 |
| 22nd Bethune Open | 2001 | 4 | 1 | 1,851 |
| Bethune Open 26th | 2005 | 3 | 1.5 | 1,989 |
| 23rd Bethune Open A | 2002 | 3 | 2 | 2,283 |
| 3rd Herlies Open | 1998 | 3 | 3 | 2,445 |
| 24th Bethune Open | 2003 | 2 | 1 | 2,184 |
Interactive opening tree from all 36 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Pierre Debailleul's chess games?
36 games by Pierre Debailleul, from Jul 2003 to Nov 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 Pierre Debailleul has played.
What does Pierre Debailleul play on the first move as White?
Across 20 games with White in our database, Pierre Debailleul opens with 1.d4 (80% of games), 1.Nf3 (15% of games), 1.b3 (5% of games). Against 1.e4 as Black, Pierre Debailleul answers 1...e6 (73% of games), 1...d5 (18% of games), 1...g6 (9% of games). Against 1.d4: 1...Nf6 (100% of games).
What openings does Pierre Debailleul play as White?
As White, Pierre Debailleul's most-played openings in our database are: Trompowsky Attack (5 games, 40.0% win rate); Indian Defense (3 games, 66.7% win rate); Queen's Pawn Game (3 games, 33.3% win rate). The full breakdown of 20 games with White is in the table above.
What openings does Pierre Debailleul play as Black?
As Black, Pierre Debailleul most often plays: French: Classical Variation (3 games, 0.0% win rate); King's Indian Defense: Orthodox Variation (2 games, 50.0% win rate); Modern Defense (2 games, 50.0% win rate). See the table above for the top ten Black openings across 16 games.
What is Pierre Debailleul's FIDE rating?
Pierre Debailleul is currently rated 1,971 in classical chess, 1,890 in rapid. Peak classical rating: 2,024 (Jan 2005).
How many games has Pierre Debailleul played?
Our database contains 36 games by Pierre Debailleul, covering Jul 2003 to Nov 2026. Overall record: 13 wins, 9 draws, 14 losses (36.1% win rate).
How do I prepare against Pierre Debailleul?
36 games by Pierre Debailleul 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.