| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 1. D Mayers vs Pachman |
| 0-1 | 35 | 1972 | Islington Open | B21 Sicilian, 2.f4 and 2.d4 |
| 2. D Mayers vs N Rutter |
 | 1-0 | 23 | 1993 | 17th Lloyds Bank Masters Open | B21 Sicilian, 2.f4 and 2.d4 |
| 3. D Mayers vs C W Baker |
| 1-0 | 28 | 1994 | 18th Lloyds Bank Masters Open | B21 Sicilian, 2.f4 and 2.d4 |
| 4. D Mayers vs R Bates |
| 0-1 | 54 | 1995 | Hastings Centenary Masters | B21 Sicilian, 2.f4 and 2.d4 |
| 5. D Mayers vs Naveen Jain |
| 1-0 | 15 | 1995 | Hastings Centenary Masters | B21 Sicilian, 2.f4 and 2.d4 |
| 6. D Mayers vs P Olsen |
| 0-1 | 40 | 1997 | Politiken Cup | B21 Sicilian, 2.f4 and 2.d4 |
| 7. D Mayers vs J Ferenc |
| 0-1 | 52 | 1997 | Politiken Cup | B21 Sicilian, 2.f4 and 2.d4 |
| 8. D Mayers vs S Kristjansson |
| 0-1 | 41 | 1997 | Hellir International | B21 Sicilian, 2.f4 and 2.d4 |
| 9. D Mayers vs W Hajenius |
| ½-½ | 46 | 2001 | 29th World Open | B21 Sicilian, 2.f4 and 2.d4 |
| 10. D Mayers vs D Loda |
| 1-0 | 39 | 2005 | World Seniors Championship | B21 Sicilian, 2.f4 and 2.d4 |
| 11. D Mayers vs T Serra Olives |
| ½-½ | 32 | 2005 | World Seniors Championship | B21 Sicilian, 2.f4 and 2.d4 |
Kibitzing
