Prepare against Mark Heimann
GM · United States · World #680 classical · FIDE ID 2028441
Our database contains 311 games by Mark Heimann, covering Oct 2006 to Aug 2026. Below you'll find Mark Heimann's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Mark Heimann 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 | 2,487 | 2,520 | Dec 2025 |
| Rapid | 2,428 | 2,440 | Oct 2023 |
| Blitz | 2,421 | 2,426 | May 2023 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 311 | 145 | 84 | 82 | 46.6% |
| As White | 154 | 75 | 43 | 36 | 48.7% |
| As Black | 157 | 70 | 41 | 46 | 44.6% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Mark Heimann's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Mark Heimann's side.
First moves as White (154 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e4 | 67 | 43.5% | 67.2% |
| d4 | 42 | 27.3% | 64.3% |
| Nf3 | 23 | 14.9% | 58.7% |
| c4 | 17 | 11.0% | 47.1% |
| g3 | 4 | 2.6% | 50.0% |
| b4 | 1 | 0.6% | 100.0% |
Main lines as White
- 1.e4 — 44% of White games, 67.2% score
- …c5 (45% of these games) — Heimann usually continues Nf3 (66.1% score)
- …e5 (24% of these games) — Heimann usually continues Nf3 (56.3% score)
- …c6 (13% of these games) — Heimann usually continues d4 (92.9% score)
- 1.d4 — 27% of White games, 64.3% score
- …Nf6 (62% of these games) — Heimann usually continues c4 (64.0% score)
- …d5 (33% of these games) — Heimann usually continues c4 (53.8% score)
- …e6 (2% of these games) — Heimann usually continues Nf3 (100.0% score)
As Black against 1.e4 (73 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e5 | 25 | 34.2% | 42.0% |
| c5 | 19 | 26.0% | 65.8% |
| e6 | 16 | 21.9% | 50.0% |
| c6 | 8 | 11.0% | 81.3% |
| Nf6 | 2 | 2.7% | 100.0% |
| d5 | 2 | 2.7% | 50.0% |
As Black against 1.d4 (53 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 24 | 45.3% | 58.3% |
| d5 | 19 | 35.8% | 57.9% |
| e6 | 9 | 17.0% | 61.1% |
| d6 | 1 | 1.9% | 0.0% |
Mark Heimann's chess games
All 311 games by Mark Heimann in the Chess.ceo database (Oct 2006 - Aug 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: 145 wins, 84 draws, 82 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B40 | Sicilian | 15 | 9/3/3 | 60.0% |
| D37 | Indian Defense | 14 | 3/7/4 | 21.4% |
| A07 | Réti Opening | 13 | 6/3/4 | 46.2% |
| A13 | English Opening | 8 | 3/3/2 | 37.5% |
| B12 | Caro-Kann: Advance Variation | 7 | 6/1/0 | 85.7% |
| D12 | Slav Defense | 6 | 3/3/0 | 50.0% |
| B06 | Modern Defense | 5 | 5/0/0 | 100.0% |
| C11 | French: Classical Variation | 5 | 4/1/0 | 80.0% |
| A20 | English Opening: Reverse Sicilian | 5 | 2/1/2 | 40.0% |
| B90 | Sicilian: Najdorf | 5 | 1/3/1 | 20.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| E04 | Catalan | 11 | 5/4/2 | 45.5% |
| A07 | Réti Opening | 10 | 4/4/2 | 40.0% |
| D35 | Indian Defense | 9 | 4/3/2 | 44.4% |
| C07 | French: Tarrasch Variation | 7 | 1/2/4 | 14.3% |
| B40 | Sicilian | 7 | 4/1/2 | 57.1% |
| E32 | Nimzo-Indian: Classical Variation | 6 | 4/0/2 | 66.7% |
| C67 | Ruy Lopez: Berlin Defense | 6 | 0/2/4 | 0.0% |
| D38 | Queen's Gambit Declined: Ragozin Defense | 5 | 1/3/1 | 20.0% |
| A27 | English Opening: Reverse Sicilian | 5 | 3/2/0 | 60.0% |
| A13 | English Opening | 5 | 1/2/2 | 20.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Dec 2024 | G Oparin | 2,653 | Saint Louis Masters | C55 |
| Mar 2018 | Yuniesky Quesada Perez | 2,627 | PRO League Stage | B44 |
| Jun 2020 | Sunilduth Lyna Narayanan | 2,618 | Titled Tue | A09 |
| Jun 2020 | Rasmus Svane | 2,613 | Titled Tue | A46 |
| Nov 2023 | Lazaro Bruzon Batista | 2,606 | US Masters Open | C78 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| Las Vegas National Open | 2024 | 24 | 16 | 2,414 |
| Titled Tuesday | 2020 | 19 | 14 | 2,557 |
| Fort Lauderdale 1000 GM GM 08 | 2023 | 9 | 5.5 | 2,478 |
| Los Angeles Labor Day IM | 2022 | 9 | 6.5 | 2,467 |
| Fort Lauderdale 1000 GM 11 | 2023 | 9 | 4.5 | 2,438 |
| San Francisco 1000 GM Memorial Day | 2024 | 9 | 6 | 2,494 |
| 11th Saint Louis SPICE Cup Open | 2017 | 9 | 4.5 | 2,358 |
| Dayton Masters | 2017 | 9 | 4.5 | 2,371 |
Interactive opening tree from all 311 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Mark Heimann's chess games?
311 games by Mark Heimann, from Oct 2006 to Aug 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 Mark Heimann has played.
What does Mark Heimann play on the first move as White?
Across 154 games with White in our database, Mark Heimann opens with 1.e4 (44% of games), 1.d4 (27% of games), 1.Nf3 (15% of games). Against 1.e4 as Black, Mark Heimann answers 1...e5 (34% of games), 1...c5 (26% of games), 1...e6 (22% of games). Against 1.d4: 1...Nf6 (45% of games), 1...d5 (36% of games), 1...e6 (17% of games).
What openings does Mark Heimann play as White?
As White, Mark Heimann's most-played openings in our database are: Sicilian (15 games, 60.0% win rate); Indian Defense (14 games, 21.4% win rate); Réti Opening (13 games, 46.2% win rate). The full breakdown of 154 games with White is in the table above.
What openings does Mark Heimann play as Black?
As Black, Mark Heimann most often plays: Catalan (11 games, 45.5% win rate); Réti Opening (10 games, 40.0% win rate); Indian Defense (9 games, 44.4% win rate). See the table above for the top ten Black openings across 157 games.
What is Mark Heimann's FIDE rating?
Mark Heimann is currently rated 2,487 in classical chess, 2,428 in rapid and 2,421 in blitz. Peak classical rating: 2,520 (Dec 2025).
How many games has Mark Heimann played?
Our database contains 311 games by Mark Heimann, covering Oct 2006 to Aug 2026. Overall record: 145 wins, 84 draws, 82 losses (46.6% win rate).
How do I prepare against Mark Heimann?
311 games by Mark Heimann 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.