Male
FIDE ID:
David L Haydon
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| 4NCL 2025-26 | 11/01/2025 | 2269 |  United Kingdom |
| 15th London Classic Open | 11/27/2025 | 2314 | United Kingdom |
| 4NCL 2024-25 | 11/23/2024 | 2287 | United Kingdom |
| London Classic Masters | 11/29/2024 | 2260 | United Kingdom |
Most Played Openings as White
| ECO | Opening | Games |
| E11 | Bogo-Indian defence | 4 games |
| A05 | Reti opening | 4 games |
| A06 | Reti opening | 3 games |
| C77 | Ruy Lopez, Morphy defence | 3 games |
Most Played Openings as Black
| ECO | Opening | Games |
| B01 | Scandinavian (centre counter) defence | 7 games |
| D37 | Queen's Gambit Declined, 4.Nf3 | 3 games |
| B19 | Caro-Kann, classical, 7...Nd7 | 2 games |
| C50 | King's pawn game | 2 games |
