| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. Gandalf vs Zugzwang |
| ½-½ | 60 |
1995 |
Chinese University HKG | C28 Vienna Game |
| 2. ConNers vs Gandalf |
 | ½-½ | 101 |
2000 |
IPCCC | A29 English, Four Knights, Kingside Fianchetto |
| 3. Patzer vs Gandalf |
| ½-½ | 101 |
2000 |
IPCCC | D39 Queen's Gambit Declined, Ragozin, Vienna Variation |
| 4. Gandalf vs Deep Junior |
| ½-½ | 75 |
2001 |
WMCCC | D55 Queen's Gambit Declined |
| 5. Gambit Tiger vs Gandalf |
| ½-½ | 17 |
2001 |
Computer Chess Match Tournament | E80 King's Indian, Samisch Variation |
| 6. PHARAON vs Gandalf |
| ½-½ | 46 |
2001 |
WMCCC | C14 French, Classical |
| 7. Gandalf vs Shredder |
| ½-½ | 91 |
2001 |
Computer Chess Match Tournament | E52 Nimzo-Indian, 4.e3, Main line with ...b6 |
| 8. Gandalf vs Junior |
| ½-½ | 50 |
2001 |
Computer Chess Match Tournament | E53 Nimzo-Indian, 4.e3 |
| 9. Gandalf vs Nimzo-8 |
| ½-½ | 104 |
2001 |
Computer Chess Match Tournament | B48 Sicilian, Taimanov Variation |
| 10. SOS vs Gandalf |
| ½-½ | 84 |
2003 |
12th IPCCC | B93 Sicilian, Najdorf, 6.f4 |
| 11. Gandalf vs Shredder |
| ½-½ | 54 |
2003 |
12th IPCCC | B90 Sicilian, Najdorf |
| 12. Gandalf vs Shredder |
| ½-½ | 45 |
2005 |
IPCCC | C45 Scotch Game |
| 13. Gandalf vs Zappa |
| ½-½ | 51 |
2005 |
IPCCC | B70 Sicilian, Dragon Variation |