IMMark Heidenfeld
IRL · FIDE ID 2500990 · 58 tournament games since 2021
Standard
2296
#9 in IRL (active)
Rapid
2367
#4 in IRL (active)
Blitz
2256
#8 in IRL (active)
Score
52%
23 W · 14 D · 21 L
Opp. avg
2206
Last 50 games
Last game
2026-08-23
2026 Mind Sports Olympiad London Rapid - Blitz (Sun)
Prep summary
- As White: 1.e4 in 96% of games (scores 54%).
- Against 1.e4: 1...e6 in 13 of 16 games (French Defense), scoring 54%.
- Against 1.d4: 1...d6 in 5 of 9 games (Queen's Pawn Game), scoring 50%.
- Comfort zone: French Defense: Rubinstein Variation, Blackburne Defense as Black, 83% in 3 games.
- By opponent strength: 10% against higher-rated players, 63% against lower-rated.
Based on 58 over-the-board games (11 blitz · 5 rapid). 28 with White (55%), 30 with Black (48%).
Openings as White
First move
| 1.e4 | 27 | 54% |
| 1.d4 | 1 | 100% |
Most played
| Opening | Games | Score |
|---|---|---|
| Sicilian Defense: Accelerated Dragon, Modern Variation | 2 | 50% |
| Sicilian Defense: Lasker-Pelikan Variation | 2 | 75% |
| Caro-Kann Defense: Tartakower Variation | 2 | 50% |
| Sicilian Defense: Chekhover Variation | 1 | 100% |
| French Defense: Rubinstein Variation, Blackburne Defense | 1 | 50% |
Openings as Black
Against 1.e4 (16 games)
| 1...e6 French Defense | 13 | 54% |
| 1...e5 King's Pawn Game | 3 | 100% |
Against 1.d4 (9 games)
| 1...d6 Queen's Pawn Game | 5 | 50% |
| 1...d5 Queen's Pawn Game | 2 | 25% |
| 1...Nf6 Indian Defense | 2 | 25% |
Most played
| Opening | Games | Score |
|---|---|---|
| Queen's Pawn Game | 4 | 63% |
| French Defense: Rubinstein Variation, Blackburne Defense | 3 | 83% |
| French Defense: Tarrasch Variation, Closed Variation | 2 | 50% |
| French Defense: Classical Variation, Steinitz Variation | 2 | 0% |
| French Defense: Schlechter Variation | 2 | 50% |
Recent games
| Date | Opponent and event | Result |
|---|---|---|
| 2026-08-23 | Gregory Mostyn (1767) 2026 Mind Sports Olympiad London Rapid - Blitz (Sun) · blitz | ½ |
| 2026-08-23 | Henry Brennan (1702) 2026 Mind Sports Olympiad London Rapid - Blitz (Sun) · blitz | ½ |
| 2026-08-23 | Michael Fernandez (2109) 2026 Mind Sports Olympiad London Rapid - Blitz (Sun) · blitz | L |
| 2026-08-23 | David Varghese (1585) 2026 Mind Sports Olympiad London Rapid - Blitz (Sun) · blitz | W |
| 2026-08-23 | Sanjit S Kumar (1888) 2026 Mind Sports Olympiad London Rapid - Blitz (Sun) · blitz | L |
| 2026-08-23 | Vincent Sagues (1944) 2026 Mind Sports Olympiad London Rapid - Blitz (Sun) · blitz | ½ |
| 2026-08-23 | George Zhao (2098) 2026 Mind Sports Olympiad London Rapid - Blitz (Sun) · blitz | L |
| 2026-08-23 | Shivam Sahoo (1907) 2026 Mind Sports Olympiad London Rapid - Blitz (Sun) · blitz | W |
| 2026-08-23 | Joshua Burnton (1749) 2026 Mind Sports Olympiad London Rapid - Blitz (Sun) · blitz | W |
| 2026-08-23 | Jon Marks (1954) 2026 Mind Sports Olympiad London Rapid - Blitz (Sun) · blitz | L |
Data: FIDE rating list (October 2026 list; national ranks count active players) and tournament games broadcast on Lichess since 2020 (open data, CC0). Results are matched to FIDE players by name or FIDE ID and may be incomplete. This page shows public chess results only. Is this you and you want the page removed? Email chessmoose1@gmail.com and we remove it.