Harff, M
Last game 2026
Rating
peak 2420 · latest 2338Games
232
Wins
75
Draws
98
Losses
59
Peak Elo
2420
53.4% score
As White
| A13 | English Opening: Agincourt Defense | 14 | 60.7% |
| A15 | English Opening: Anglo-Indian Defense | 11 | 68.2% |
| A28 | English Opening: King's English Variation, Four Knights Variation, Quiet Line | 10 | 45.0% |
| A10 | English Opening | 9 | 72.2% |
| A30 | English Opening: Symmetrical Variation | 9 | 55.6% |
| A17 | English Opening: Anglo-Indian Defense | 4 | 62.5% |
| A21 | English Opening: King's English Variation, Kramnik-Shirov Counterattack | 4 | 62.5% |
| A25 | English Opening: King's English Variation, Reversed Closed Sicilian | 4 | 50.0% |
As Black
| C10 | French Defense: Rubinstein Variation | 14 | 53.6% |
| C03 | French Defense: Tarrasch Variation, Guimard Defense | 10 | 60.0% |
| C02 | French Defense: Advance Variation, Euwe Variation | 7 | 57.1% |
| C00 | French Defense: Horwitz Attack, Papa-Ticulat Gambit | 7 | 35.7% |
| A20 | English Opening: King's English Variation | 7 | 64.3% |
| C07 | French Defense: Tarrasch Variation, Chistyakov Defense | 5 | 50.0% |
| C18 | French Defense: Winawer Variation, Advance Variation, with Bd3 | 4 | 62.5% |
| C15 | French Defense: Winawer Variation | 4 | 50.0% |
Recent games
| Harff, M2338 | ½-½ | Vandenbussche, T2400 | TCh-BEL 2025-26 | 2026 |
| Harff, M2338 | 1-0 | Tjiam, D2350 | TCh-BEL 2025-26 | 2026 |
| Harff, M2338 | 1-0 | Dauw, Sterre2311 | TCh-BEL 2025-26 | 2026 |
| Morard, Ambroise2128 | 0-1 | Harff, M2338 | TCh-BEL 2025-26 | 2026 |
| Harff, M2338 | ½-½ | Dgebuadze, A2393 | TCh-BEL 2025-26 | 2026 |
| Suvorov, Luca2410 | 1-0 | Harff, M2343 | TCh-BEL 2025-26 | 2026 |
| Geirnaert, S2384 | ½-½ | Harff, M2339 | TCh-BEL 2025-26 | 2025 |
| Harff, M2339 | 1-0 | Terryn, Ezra2288 | TCh-BEL 2025-26 | 2025 |
| Harff, M2319 | 1-0 | Poltorak, Sebastian2413 | 40th ECC Open 2025 | 2025 |
| Kawulok, M2219 | 0-1 | Harff, M2319 | 40th ECC Open 2025 | 2025 |
| Olcum, A2221 | 0-1 | Harff, M2319 | 40th ECC Open 2025 | 2025 |
| Harff, M2319 | 0-1 | Zanan, E2504 | 40th ECC Open 2025 | 2025 |
| Harff, M2307 | 1-0 | Schuricht, Emil Frederick2307 | TCh-BEL 2025-26 | 2025 |
| Harff, M2307 | 1-0 | Sprangers, R2242 | TCh-BEL 2025-26 | 2025 |
| Harff, M2315 | 0-1 | Warmerdam, Max2613 | 17th BPB Limburg Open | 2025 |