| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. L Lederman vs Timman |
| 0-1 | 55 |
1975 |
10, Nethanya | B05 Alekhine's Defense, Modern |
| 2. L Lederman vs K Pytel |
 | 0-1 | 36 |
1977 |
Le Havre | C80 Ruy Lopez, Open |
| 3. Matulovic vs L Lederman |
| 1-0 | 66 |
1977 |
Le Havre | B97 Sicilian, Najdorf |
| 4. L Lederman vs Korchnoi |
| 0-1 | 29 |
1978 |
Beer Sheva | C19 French, Winawer, Advance |
| 5. L Lederman vs Korchnoi |
| 0-1 | 29 |
1978 |
Beer Sheva | C19 French, Winawer, Advance |
| 6. L Lederman vs Korchnoi |
| 0-1 | 37 |
1982 |
London LB | C80 Ruy Lopez, Open |
| 7. L Lederman vs Korchnoi |
| 0-1 | 38 |
1988 |
Beersheba ,CBM 09 | B64 Sicilian, Richter-Rauzer Attack |
| 8. L Lederman vs Pinter |
| 0-1 | 57 |
1988 |
It (cat.10) | B93 Sicilian, Najdorf, 6.f4 |
| 9. Korchnoi vs L Lederman |
| 1-0 | 41 |
1988 |
Beersheba ,CBM 09 | D10 Queen's Gambit Declined Slav |
| 10. L Lederman vs A Acevedo Villalba |
| 0-1 | 24 |
1990 |
WT/M/GT/271 | D85 Grunfeld |
| 11. A Gonzalez-Freixas vs L Lederman |
| 1-0 | 19 |
1990 |
WT/M/GT/271 | B12 Caro-Kann Defense |
| 12. L Lederman vs U Schuster |
| 0-1 | 29 |
1990 |
WT/M/GT/271 | B84 Sicilian, Scheveningen |
| 13. L Lederman vs Smirin |
| 0-1 | 11 |
2002 |
ISR-chT | B41 Sicilian, Kan |
