Prepare against Jonathan Demanghon
France · World #12,765 classical · FIDE ID 623873
Our database contains 171 games by Jonathan Demanghon, covering Apr 2003 to Jul 2026. Below you'll find Jonathan Demanghon's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Jonathan Demanghon 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 | 2,131 | 2,253 | May 2018 |
| Rapid | 2,142 | 2,209 | Oct 2018 |
| Blitz | 2,084 | 2,107 | Sep 2023 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 171 | 75 | 39 | 57 | 43.9% |
| As White | 82 | 35 | 17 | 30 | 42.7% |
| As Black | 89 | 40 | 22 | 27 | 44.9% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Jonathan Demanghon's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Jonathan Demanghon's side.
First moves as White (82 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d4 | 65 | 79.3% | 56.9% |
| c4 | 8 | 9.8% | 31.3% |
| Nf3 | 5 | 6.1% | 40.0% |
| e4 | 4 | 4.9% | 50.0% |
Main lines as White
- 1.d4 — 79% of White games, 56.9% score
- …Nf6 (46% of these games) — Demanghon usually continues c4 (55.4% score)
- …d5 (26% of these games) — Demanghon usually continues c4 (46.9% score)
- …e6 (8% of these games) — Demanghon usually continues c4 (62.5% score)
- 1.c4 — 10% of White games, 31.3% score
- …e5 (25% of these games) — Demanghon usually continues Nc3 (25.0% score)
- …g6 (25% of these games) — Demanghon usually continues Nc3 (0.0% score)
- …f5 (13% of these games) — Demanghon usually continues Nc3 (100.0% score)
As Black against 1.e4 (45 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e6 | 42 | 93.3% | 56.0% |
| e5 | 2 | 4.4% | 0.0% |
| Nf6 | 1 | 2.2% | 0.0% |
As Black against 1.d4 (34 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d5 | 31 | 91.2% | 69.4% |
| Nf6 | 2 | 5.9% | 75.0% |
| e6 | 1 | 2.9% | 100.0% |
Jonathan Demanghon's chess games
All 171 games by Jonathan Demanghon in the Chess.ceo database (Apr 2003 - Jul 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: 75 wins, 39 draws, 57 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| D30 | Slav Defense | 11 | 5/0/6 | 45.5% |
| E81 | King's Indian: Sämisch | 10 | 3/5/2 | 30.0% |
| E11 | Catalan | 10 | 6/1/3 | 60.0% |
| A57 | Benoni Defense | 5 | 2/0/3 | 40.0% |
| D85 | Grünfeld Defense | 4 | 1/2/1 | 25.0% |
| A55 | Indian Defense | 3 | 1/1/1 | 33.3% |
| A80 | Dutch Defense | 3 | 1/2/0 | 33.3% |
| E33 | Nimzo-Indian: Classical Variation | 3 | 1/0/2 | 33.3% |
| A21 | English Opening | 2 | 0/1/1 | 0.0% |
| A30 | English Opening: Symmetrical | 2 | 0/1/1 | 0.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| D17 | Slav Defense | 24 | 10/8/6 | 41.7% |
| C12 | French: Classical Variation | 12 | 6/5/1 | 50.0% |
| C18 | French: Winawer Variation | 8 | 4/1/3 | 50.0% |
| C00 | French Defense | 7 | 3/0/4 | 42.9% |
| C02 | French: Advance Variation | 6 | 3/2/1 | 50.0% |
| A25 | English Opening: Reverse Sicilian | 5 | 1/2/2 | 20.0% |
| C05 | French: Tarrasch Variation | 5 | 1/0/4 | 20.0% |
| D02 | London System | 3 | 2/1/0 | 66.7% |
| C00 | King's Indian Attack | 2 | 1/0/1 | 50.0% |
| C01 | French: Exchange Variation | 2 | 1/1/0 | 50.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Aug 2006 | Kevin Terrieux | 2,343 | 5th Charleroi Open | D63 |
| Mar 2007 | Stephen Jessel | 2,343 | chT2-FRA West 0607 | C19 |
| Jul 2022 | Arthur Lucas | 2,337 | 36th Avoine Open | C02 |
| Apr 2006 | Bertrand Valuet | 2,315 | chT2A-FRA 0506 | D17 |
| Dec 2005 | Ana-Cristina Calotescu | 2,298 | chT2A-FRA 0506 | A65 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| chT2-FRA 0304 | 2004 | 11 | 4 | 2,098 |
| chT2-FRA West 0708 | 2008 | 11 | 4.5 | 2,219 |
| chT2-FRA West 0607 | 2007 | 11 | 6.5 | 2,310 |
| chT2-FRA West 0809 | 2009 | 11 | 5 | 2,131 |
| chT2A-FRA 0506 | 2006 | 10 | 6 | 2,297 |
| chT2W-FRA 0203 | 2003 | 10 | 4.5 | 2,123 |
| 15th Sautron Open | 2015 | 9 | 6 | 2,180 |
| La Fere Open | 2010 | 9 | 6 | 2,230 |
Interactive opening tree from all 171 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Jonathan Demanghon's chess games?
171 games by Jonathan Demanghon, from Apr 2003 to Jul 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 Jonathan Demanghon has played.
What does Jonathan Demanghon play on the first move as White?
Across 82 games with White in our database, Jonathan Demanghon opens with 1.d4 (79% of games), 1.c4 (10% of games), 1.Nf3 (6% of games). Against 1.e4 as Black, Jonathan Demanghon answers 1...e6 (93% of games), 1...e5 (4% of games), 1...Nf6 (2% of games). Against 1.d4: 1...d5 (91% of games), 1...Nf6 (6% of games), 1...e6 (3% of games).
What openings does Jonathan Demanghon play as White?
As White, Jonathan Demanghon's most-played openings in our database are: Slav Defense (11 games, 45.5% win rate); King's Indian: Sämisch (10 games, 30.0% win rate); Catalan (10 games, 60.0% win rate). The full breakdown of 82 games with White is in the table above.
What openings does Jonathan Demanghon play as Black?
As Black, Jonathan Demanghon most often plays: Slav Defense (24 games, 41.7% win rate); French: Classical Variation (12 games, 50.0% win rate); French: Winawer Variation (8 games, 50.0% win rate). See the table above for the top ten Black openings across 89 games.
What is Jonathan Demanghon's FIDE rating?
Jonathan Demanghon is currently rated 2,131 in classical chess, 2,142 in rapid and 2,084 in blitz. Peak classical rating: 2,253 (May 2018).
How many games has Jonathan Demanghon played?
Our database contains 171 games by Jonathan Demanghon, covering Apr 2003 to Jul 2026. Overall record: 75 wins, 39 draws, 57 losses (43.9% win rate).
How do I prepare against Jonathan Demanghon?
171 games by Jonathan Demanghon 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.