Prepare against Jean-Marc Pecorini
CHE · World #71,232 classical · FIDE ID 1324535
When preparing against Jean-Marc Pecorini, expect 1.d4 in 100% of White games. Against 1.e4 the reply is 1...c5 (86% of games); against 1.d4, 1...Nf6 (86%).
Our database contains 49 games by Jean-Marc Pecorini, covering Sep 2011 to Jul 2026. Below you'll find Jean-Marc Pecorini's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Jean-Marc Pecorini 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 | 1,817 | 1,819 | Jun 2026 |
| Rapid | 1,713 | 1,731 | Feb 2026 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 49 | 17 | 8 | 24 | 34.7% |
| As White | 24 | 9 | 5 | 10 | 37.5% |
| As Black | 25 | 8 | 3 | 14 | 32.0% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Jean-Marc Pecorini's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Jean-Marc Pecorini's side.
First moves as White (24 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d4 | 24 | 100.0% | 47.9% |
Main lines as White
- 1.d4 — 100% of White games, 47.9% score
- …Nf6 (42% of these games) — Pecorini usually continues c4 (30.0% score)
- …d5 (38% of these games) — Pecorini usually continues c4 (77.8% score)
- …g6 (4% of these games) — Pecorini usually continues e4 (0.0% score)
As Black against 1.e4 (14 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c5 | 12 | 85.7% | 29.2% |
| e6 | 2 | 14.3% | 75.0% |
As Black against 1.d4 (7 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 6 | 85.7% | 58.3% |
| d5 | 1 | 14.3% | 0.0% |
Jean-Marc Pecorini's chess games
All 49 games by Jean-Marc Pecorini in the Chess.ceo database (Sep 2011 - 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: 17 wins, 8 draws, 24 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| A57 | Benoni Defense | 5 | 1/0/4 | 20.0% |
| E81 | King's Indian: Sämisch | 3 | 0/0/3 | 0.0% |
| D06 | Queen's Gambit | 2 | 1/1/0 | 50.0% |
| D35 | Queen's Gambit Declined | 2 | 1/1/0 | 50.0% |
| D38 | Queen's Gambit Declined: Ragozin Defense | 2 | 2/0/0 | 100.0% |
| D31 | Semi-Slav Defense | 2 | 1/0/1 | 50.0% |
| E13 | Queen's Indian Defense | 1 | 0/0/1 | 0.0% |
| E80 | Anti-Grünfeld | 1 | 1/0/0 | 100.0% |
| D52 | Slav Defense | 1 | 1/0/0 | 100.0% |
| A80 | Dutch Defense | 1 | 0/1/0 | 0.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B22 | Sicilian: Alapin | 3 | 0/0/3 | 0.0% |
| D88 | Grünfeld Defense | 3 | 2/0/1 | 66.7% |
| A34 | Sicilian | 3 | 1/1/1 | 33.3% |
| A04 | Sicilian: Closed | 2 | 1/0/1 | 50.0% |
| B81 | Sicilian: Najdorf | 2 | 0/0/2 | 0.0% |
| A34 | English Opening: Symmetrical | 2 | 0/0/2 | 0.0% |
| D26 | Queen's Pawn Game | 1 | 0/0/1 | 0.0% |
| A04 | Réti Opening | 1 | 0/0/1 | 0.0% |
| B95 | Sicilian: Scheveningen | 1 | 0/0/1 | 0.0% |
| B21 | Sicilian: Smith-Morra Gambit | 1 | 1/0/0 | 100.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Jan 2014 | Francois Weber | 1,865 | Bois Gentil Open | E61 |
| May 2015 | Vili Saric | 1,863 | Belp Open | D02 |
| Feb 2019 | Marc Schaerer | 1,789 | Geneve Bois Gentil Open | D52 |
| Jan 2019 | Mario Viviani | 1,745 | Geneve Bois Gentil Open | A57 |
| Feb 2016 | Nicolas Lesquereux | 1,677 | Bois Gentil Open | D38 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| Bois Gentil Open | 2017 | 20 | 7.5 | 1,620 |
| Geneve Bois Gentil Open | 2020 | 14 | 8 | 1,836 |
| 27th Geneve Open | 2013 | 7 | 2.5 | 1,455 |
| Belp Open | 2015 | 5 | 2 | 1,792 |
| Quebec Open U2000 | 2017 | 2 | 1 | 1,769 |
| 19th Burgdorf Open | 2020 | 1 | 0 | 2,012 |
Interactive opening tree from all 49 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Jean-Marc Pecorini's chess games?
49 games by Jean-Marc Pecorini, from Sep 2011 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 Jean-Marc Pecorini has played.
What does Jean-Marc Pecorini play on the first move as White?
Across 24 games with White in our database, Jean-Marc Pecorini opens with 1.d4 (100% of games). Against 1.e4 as Black, Jean-Marc Pecorini answers 1...c5 (86% of games), 1...e6 (14% of games). Against 1.d4: 1...Nf6 (86% of games), 1...d5 (14% of games).
What openings does Jean-Marc Pecorini play as White?
As White, Jean-Marc Pecorini's most-played openings in our database are: Benoni Defense (5 games, 20.0% win rate); King's Indian: Sämisch (3 games, 0.0% win rate); Queen's Gambit (2 games, 50.0% win rate). The full breakdown of 24 games with White is in the table above.
What openings does Jean-Marc Pecorini play as Black?
As Black, Jean-Marc Pecorini most often plays: Sicilian: Alapin (3 games, 0.0% win rate); Grünfeld Defense (3 games, 66.7% win rate); Sicilian (3 games, 33.3% win rate). See the table above for the top ten Black openings across 25 games.
What is Jean-Marc Pecorini's FIDE rating?
Jean-Marc Pecorini is currently rated 1,817 in classical chess, 1,713 in rapid. Peak classical rating: 1,819 (Jun 2026).
How many games has Jean-Marc Pecorini played?
Our database contains 49 games by Jean-Marc Pecorini, covering Sep 2011 to Jul 2026. Overall record: 17 wins, 8 draws, 24 losses (34.7% win rate).
How do I prepare against Jean-Marc Pecorini?
49 games by Jean-Marc Pecorini 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.