Prepare against John Dempsey
VIR · World #49,508 classical · FIDE ID 2402076
When preparing against John Dempsey, expect 1.e4 in 81% of White games. Against 1.e4 the reply is 1...c5 (73% of games); against 1.d4, 1...Nf6 (67%).
Our database contains 41 games by John Dempsey, covering Jan 2005 to Jul 2026. Below you'll find John Dempsey's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout John Dempsey 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 | 1,895 | 1,953 | Apr 2006 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 41 | 9 | 10 | 22 | 22.0% |
| As White | 21 | 4 | 6 | 11 | 19.0% |
| As Black | 20 | 5 | 4 | 11 | 25.0% |
Move-by-move preparation stats
Straight from the preparation tree built over all of John Dempsey's games — the same tree the interactive prep board lets you walk to any depth. Scores are from John Dempsey's side.
First moves as White (21 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e4 | 17 | 81.0% | 35.3% |
| d4 | 3 | 14.3% | 16.7% |
| Nf3 | 1 | 4.8% | 50.0% |
Main lines as White
- 1.e4 — 81% of White games, 35.3% score
- …c5 (35% of these games) — Dempsey usually continues Nf3 (50.0% score)
- …e6 (18% of these games) — Dempsey usually continues d4 (0.0% score)
- …d6 (12% of these games) — Dempsey usually continues Nf3 (50.0% score)
- 1.d4 — 14% of White games, 16.7% score
- …d5 (67% of these games) — Dempsey usually continues Bf4 (25.0% score)
- …Nf6 (33% of these games) — Dempsey usually continues Nf3 (0.0% score)
As Black against 1.e4 (11 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c5 | 8 | 72.7% | 37.5% |
| e6 | 2 | 18.2% | 50.0% |
| d5 | 1 | 9.1% | 50.0% |
As Black against 1.d4 (6 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 4 | 66.7% | 50.0% |
| Nc6 | 1 | 16.7% | 0.0% |
| d5 | 1 | 16.7% | 0.0% |
John Dempsey's chess games
All 41 games by John Dempsey in the Chess.ceo database (Jan 2005 - 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: 9 wins, 10 draws, 22 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| D02 | London System | 3 | 0/1/2 | 0.0% |
| B52 | Sicilian: Moscow Variation | 3 | 2/0/1 | 66.7% |
| B06 | Modern Defense | 2 | 0/2/0 | 0.0% |
| B07 | Pirc Defense | 2 | 1/0/1 | 50.0% |
| B01 | Scandinavian Defense: Main Line | 2 | 0/1/1 | 0.0% |
| B50 | Sicilian | 2 | 0/1/1 | 0.0% |
| B25 | Sicilian: Closed | 1 | 0/0/1 | 0.0% |
| A07 | Réti Opening | 1 | 0/1/0 | 0.0% |
| B00 | French Defense | 1 | 0/0/1 | 0.0% |
| C00 | King's Indian Attack | 1 | 0/0/1 | 0.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B27 | Sicilian: Hyperaccelerated Dragon | 5 | 1/1/3 | 20.0% |
| B24 | Sicilian: Closed | 2 | 1/0/1 | 50.0% |
| C00 | French Defense | 2 | 1/0/1 | 50.0% |
| E94 | King's Indian Defense: Petrosian Variation | 1 | 1/0/0 | 100.0% |
| A40 | Mikenas Defense | 1 | 0/0/1 | 0.0% |
| E81 | Modern Defense | 1 | 0/0/1 | 0.0% |
| A45 | Queen's Pawn Game | 1 | 1/0/0 | 100.0% |
| A05 | Réti Opening | 1 | 0/1/0 | 0.0% |
| E69 | Réti Opening: Symmetrical Defense | 1 | 0/0/1 | 0.0% |
| B01 | Scandinavian Defense: Main Line | 1 | 0/1/0 | 0.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Dec 2017 | David J Coleman | 2,076 | 93rd Hastings Masters Open | B52 |
| Oct 2015 | Andrew MacQueen | 1,800 | Dundee & Angus Challengers | B52 |
| Oct 2015 | John Sr Smith | 1,712 | Dundee & Angus Challengers | B24 |
| Sep 2016 | Abdullah Mohd Mohamed | 1,638 | Olympiad-42 | B27 |
| Oct 2015 | Ben Volland | 1,543 | Dundee & Angus Challengers | C77 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| Olympiad-43 | 2018 | 11 | 3 | 1,779 |
| Olympiad-42 | 2016 | 10 | 3 | 1,849 |
| 93rd Hastings Masters Open | 2018 | 6 | 2 | 1,744 |
| Dundee & Angus Challengers | 2015 | 5 | 3 | 1,764 |
| ch-West of Scotland | 2001 | 4 | 1 | 1,920 |
| Hawick Open | 2004 | 2 | 0 | 1,782 |
| Glasgow Open | 2004 | 1 | 0.5 | 2,009 |
| 26th Grangemouth Open B | 1999 | 1 | 1 | – |
Interactive opening tree from all 41 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find John Dempsey's chess games?
41 games by John Dempsey, from Jan 2005 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 John Dempsey has played.
What does John Dempsey play on the first move as White?
Across 21 games with White in our database, John Dempsey opens with 1.e4 (81% of games), 1.d4 (14% of games), 1.Nf3 (5% of games). Against 1.e4 as Black, John Dempsey answers 1...c5 (73% of games), 1...e6 (18% of games), 1...d5 (9% of games). Against 1.d4: 1...Nf6 (67% of games), 1...Nc6 (17% of games), 1...d5 (17% of games).
What openings does John Dempsey play as White?
As White, John Dempsey's most-played openings in our database are: London System (3 games, 0.0% win rate); Sicilian: Moscow Variation (3 games, 66.7% win rate); Modern Defense (2 games, 0.0% win rate). The full breakdown of 21 games with White is in the table above.
What openings does John Dempsey play as Black?
As Black, John Dempsey most often plays: Sicilian: Hyperaccelerated Dragon (5 games, 20.0% win rate); Sicilian: Closed (2 games, 50.0% win rate); French Defense (2 games, 50.0% win rate). See the table above for the top ten Black openings across 20 games.
What is John Dempsey's FIDE rating?
John Dempsey is currently rated 1,895 in classical chess. Peak classical rating: 1,953 (Apr 2006).
How many games has John Dempsey played?
Our database contains 41 games by John Dempsey, covering Jan 2005 to Jul 2026. Overall record: 9 wins, 10 draws, 22 losses (22.0% win rate).
How do I prepare against John Dempsey?
41 games by John Dempsey 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.