| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. Lasker vs Nimzowitsch |
  | ½-½ | 42 |
1914 |
St Petersburg | B16 Caro-Kann, Bronstein-Larsen Variation |
| 2. Keene vs A W Whitbread |
 | ½-½ | 38 |
1962 |
UK schools champs | E89 King's Indian, Samisch, Orthodox Main line |
| 3. D E Lloyd vs Keene |
 | ½-½ | 37 |
1964 |
London League | B21 Sicilian, 2.f4 and 2.d4 |
| 4. O M Hindle vs Keene |
  | ½-½ | 46 |
1964 |
Stevenson Memorial | B18 Caro-Kann, Classical |
| 5. Keene vs S Webb |
  | ½-½ | 37 |
1965 |
London Schools League | B35 Sicilian, Accelerated Fianchetto, Modern Variation with Bc4 |
| 6. Keene vs A J Whiteley |
 | ½-½ | 29 |
1965 |
Hastings Challengers Reserve | D44 Queen's Gambit Declined Semi-Slav |
| 7. Keene vs N Karaklajic |
  | ½-½ | 46 |
1965 |
S.M. Tournament | A07 King's Indian Attack |
| 8. Keene vs H Ree |
  | ½-½ | 40 |
1966 |
Anglo-Dutch Match | E52 Nimzo-Indian, 4.e3, Main line with ...b6 |
| 9. R Garcia vs Keene |
 | ½-½ | 41 |
1966 |
Olympiad | A37 English, Symmetrical |
| 10. Keene vs N J Patterson |
 | ½-½ | 30 |
1967 |
College league match | E09 Catalan, Closed |
| 11. N J Patterson vs Keene |
 | ½-½ | 45 |
1968 |
Match | E41 Nimzo-Indian |
| 12. A H Williams vs Keene |
  | ½-½ | 36 |
1968 |
Swansea team tourney | B06 Robatsch |
| 13. A Zwaig vs Keene |
 | ½-½ | 33 |
1968 |
Ybbs | C09 French, Tarrasch, Open Variation, Main line |
| 14. Keene vs A Hollis |
 | ½-½ | 49 |
1968 |
Marlow Masters | E69 King's Indian, Fianchetto, Classical Main line |
| 15. Keene vs Gligoric |
  | ½-½ | 45 |
1969 |
Hastings 1968/69 | E64 King's Indian, Fianchetto, Yugoslav System |
| 16. Hartston vs Keene |
  | ½-½ | 21 |
1970 |
Cambridge (England) | C19 French, Winawer, Advance |
| 17. Younus Safvat vs Keene |
 | ½-½ | 59 |
1970 |
Siegen Olympiad | B09 Pirc, Austrian Attack |
| 18. Wade vs Keene |
 | ½-½ | 44 |
1970 |
County Match | A00 Uncommon Opening |
| 19. Keene vs Tal |
  | ½-½ | 32 |
1973 |
Hastings 1973/74 | A04 Reti Opening |
| 20. Karpov vs Keene |
  | ½-½ | 57 |
1977 |
Bad Lauterberg | C41 Philidor Defense |
| 21. Dorfman vs Keene |
 | ½-½ | 41 |
1979 |
Jakarta | B06 Robatsch |
| 22. Keene vs D Rajkovic |
  | ½-½ | 39 |
1980 |
Barcelona | A56 Benoni Defense |
| 23. Leko vs Kramnik |
  | ½-½ | 65 |
2004 |
Kramnik-Leko World Championship Match | A61 Benoni |
| 24. Topalov vs Kramnik |
  | ½-½ | 31 |
2006 |
Kramnik-Topalov World Championship Match | D17 Queen's Gambit Declined Slav |
| 25. Topalov vs Kramnik |
   | ½-½ | 60 |
2006 |
Kramnik-Topalov World Championship Match | D27 Queen's Gambit Accepted, Classical |