Prepare against Jean Roch Duplessis
Canada · World #83,925 classical · FIDE ID 2639190
When preparing against Jean Roch Duplessis, expect 1.e4 in 97% of White games. Against 1.e4 the reply is 1...c5 (76% of games); against 1.d4, 1...Nf6 (55%).
Our database contains 68 games by Jean Roch Duplessis, covering Sep 2024 to Jul 2026. Below you'll find Jean Roch Duplessis's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Jean Roch Duplessis 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 | 1,777 | 1,777 | Jul 2026 |
| Rapid | 1,647 | 1,647 | Jul 2026 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 68 | 16 | 24 | 28 | 23.5% |
| As White | 35 | 10 | 8 | 17 | 28.6% |
| As Black | 33 | 6 | 16 | 11 | 18.2% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Jean Roch Duplessis's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Jean Roch Duplessis's side.
First moves as White (35 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e4 | 34 | 97.1% | 41.2% |
| d4 | 1 | 2.9% | 0.0% |
Main lines as White
- 1.e4 — 97% of White games, 41.2% score
- …c5 (47% of these games) — Duplessis usually continues Nf3 (34.4% score)
- …e6 (18% of these games) — Duplessis usually continues d4 (40.0% score)
- …e5 (15% of these games) — Duplessis usually continues Nf3 (50.0% score)
- 1.d4 — 3% of White games, 0.0% score
- …Nf6 (100% of these games) — Duplessis usually continues Nc3 (0.0% score)
As Black against 1.e4 (17 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c5 | 13 | 76.5% | 42.3% |
| e5 | 1 | 5.9% | 100.0% |
| Nc6 | 1 | 5.9% | 100.0% |
| e6 | 1 | 5.9% | 50.0% |
| d5 | 1 | 5.9% | 50.0% |
As Black against 1.d4 (11 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 6 | 54.5% | 58.3% |
| c5 | 3 | 27.3% | 16.7% |
| d6 | 1 | 9.1% | 50.0% |
| e6 | 1 | 9.1% | 0.0% |
Jean Roch Duplessis's chess games
All 68 games by Jean Roch Duplessis in the Chess.ceo database (Sep 2024 - 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: 16 wins, 24 draws, 28 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B52 | Sicilian: Moscow Variation | 7 | 1/3/3 | 14.3% |
| C48 | Four Knights Game: Spanish Variation | 5 | 2/2/1 | 40.0% |
| B30 | Sicilian: Rossolimo | 4 | 2/1/1 | 50.0% |
| C14 | French: Classical Variation | 3 | 0/0/3 | 0.0% |
| A53 | Caro-Kann | 2 | 1/0/1 | 50.0% |
| A34 | Sicilian | 2 | 0/1/1 | 0.0% |
| B07 | Pirc Defense | 2 | 0/0/2 | 0.0% |
| C15 | French: Winawer Variation | 2 | 2/0/0 | 100.0% |
| C62 | Three Knights Opening | 1 | 0/1/0 | 0.0% |
| B40 | French Defense | 1 | 1/0/0 | 100.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B32 | Sicilian | 8 | 2/3/3 | 25.0% |
| B23 | Sicilian: Closed | 3 | 0/3/0 | 0.0% |
| A43 | Benoni Defense | 3 | 0/1/2 | 0.0% |
| A00 | Grob's Attack | 2 | 0/2/0 | 0.0% |
| A32 | Horwitz Defense | 2 | 0/0/2 | 0.0% |
| D55 | Queen's Indian Defense | 2 | 2/0/0 | 100.0% |
| D00 | Indian Defense | 2 | 0/1/1 | 0.0% |
| B00 | Nimzowitsch Defense: Scandinavian Variation | 1 | 1/0/0 | 100.0% |
| A41 | Rat Defense | 1 | 0/1/0 | 0.0% |
| B01 | Scandinavian Defense: Modern Variation | 1 | 0/1/0 | 0.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Jun 2005 | Michel Desjardins | 1,923 | St Jean Open A | B01 |
| Aug 2012 | Robert Villeneuve | 1,886 | Sainte Adele Superfest U2000 | B33 |
| Jun 2013 | Patrick Scantland | 1,863 | Gatineau TORO U1900 | B52 |
| Jun 2004 | Francois Moisan | 1,833 | St Jean Open | C48 |
| Jun 2013 | Daniel Lavergne | 1,833 | Gatineau TORO U1900 | B32 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| Quebec Open U2000 | 2012 | 7 | 3 | 1,713 |
| Montreal Open U2000 | 2016 | 6 | 1.5 | 1,567 |
| Sherbrooke Open B | 2007 | 6 | 4 | 1,655 |
| Sainte Adele Superfest U2000 | 2012 | 5 | 3 | 1,948 |
| St Jean Open | 2004 | 4 | 3 | 1,860 |
| Montreal Varennes U1800 Open | 2011 | 4 | 3 | 1,812 |
| St Jean Open A | 2005 | 4 | 1.5 | 1,902 |
| Gatineau TORO U1900 | 2013 | 3 | 2.5 | 2,006 |
Interactive opening tree from all 68 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Jean Roch Duplessis's chess games?
68 games by Jean Roch Duplessis, from Sep 2024 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 Roch Duplessis has played.
What does Jean Roch Duplessis play on the first move as White?
Across 35 games with White in our database, Jean Roch Duplessis opens with 1.e4 (97% of games), 1.d4 (3% of games). Against 1.e4 as Black, Jean Roch Duplessis answers 1...c5 (76% of games), 1...e5 (6% of games), 1...Nc6 (6% of games). Against 1.d4: 1...Nf6 (55% of games), 1...c5 (27% of games), 1...d6 (9% of games).
What openings does Jean Roch Duplessis play as White?
As White, Jean Roch Duplessis's most-played openings in our database are: Sicilian: Moscow Variation (7 games, 14.3% win rate); Four Knights Game: Spanish Variation (5 games, 40.0% win rate); Sicilian: Rossolimo (4 games, 50.0% win rate). The full breakdown of 35 games with White is in the table above.
What openings does Jean Roch Duplessis play as Black?
As Black, Jean Roch Duplessis most often plays: Sicilian (8 games, 25.0% win rate); Sicilian: Closed (3 games, 0.0% win rate); Benoni Defense (3 games, 0.0% win rate). See the table above for the top ten Black openings across 33 games.
What is Jean Roch Duplessis's FIDE rating?
Jean Roch Duplessis is currently rated 1,777 in classical chess, 1,647 in rapid. Peak classical rating: 1,777 (Jul 2026).
How many games has Jean Roch Duplessis played?
Our database contains 68 games by Jean Roch Duplessis, covering Sep 2024 to Jul 2026. Overall record: 16 wins, 24 draws, 28 losses (23.5% win rate).
How do I prepare against Jean Roch Duplessis?
68 games by Jean Roch Duplessis 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.