| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 26. D Tobor vs M Valvo |
| 0-1 | 24 |
1991 |
WT/M/GT/297 | C02 French, Advance |
| 27. M Valvo vs G Windhausen |
| ½-½ | 21 |
1991 |
WT/M/GT/297 | B09 Pirc, Austrian Attack |
| 28. V M Pedersen vs M Valvo |
| ½-½ | 43 |
1991 |
WT/M/GT/297 | B78 Sicilian, Dragon, Yugoslav Attack, 10.castle long |
| 29. Miles vs M Valvo |
| 1-0 | 34 |
1994 |
New York op | A48 King's Indian |
| 30. Azmaiparashvili vs M Valvo |
| 1-0 | 19 |
1994 |
It \\ | A50 Queen's Pawn Game |
| 31. Blatny vs M Valvo |
| 1-0 | 41 |
1994 |
Chicago | A88 Dutch, Leningrad, Main Variation with c6 |
| 32. T Murray vs M Valvo |
| 1-0 | 43 |
1995 |
USCCC-11 | A50 Queen's Pawn Game |
| 33. A J Goldsby vs M Valvo |
 | 0-1 | 38 |
1995 |
New York op | B74 Sicilian, Dragon, Classical |
| 34. M Valvo vs Shabalov |
| 0-1 | 18 |
1995 |
New York USA | B12 Caro-Kann Defense |
| 35. Kudrin vs M Valvo |
| ½-½ | 26 |
2000 |
Governor's Cup | B77 Sicilian, Dragon, Yugoslav Attack |
| 36. Goldin vs M Valvo |
| 1-0 | 58 |
2000 |
Governor's Cup | A50 Queen's Pawn Game |
| 37. M Valvo vs B Morgan |
| ½-½ | 48 |
2001 |
26th Keres Mem | B32 Sicilian |
| 38. M Stanford vs M Valvo |
 | ½-½ | 70 |
2001 |
26th Keres Mem | C31 King's Gambit Declined, Falkbeer Counter Gambit |
| 39. K Boehmer vs M Valvo |
| 1-0 | 31 |
2001 |
26th Keres Mem | E63 King's Indian, Fianchetto, Panno Variation |
| 40. M Valvo vs Dale Haukenfrers |
| 1-0 | 35 |
2001 |
26th Keres Mem | B06 Robatsch |
| 41. Tony Berrocoso vs M Valvo |
| ½-½ | 56 |
2001 |
26th Keres Mem | A43 Old Benoni |
| 42. G Kostadinov vs M Valvo |
| 1-0 | 35 |
2001 |
26th Keres Mem | A57 Benko Gambit |
| 43. M Valvo vs C Dekker |
| 1-0 | 30 |
2001 |
26th Keres Mem | A15 English |