| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 26. Ivkov vs M Wilder |
| ½-½ | 31 |
1981 |
Lone Pine | A57 Benko Gambit |
| 27. M Wilder vs C Hertan |
| 0-1 | 70 |
1981 |
CCA March International | D02 Queen's Pawn Game |
| 28. M Wilder vs A Lein |
 | 1-0 | 27 |
1981 |
Lone Pine | A46 Queen's Pawn Game |
| 29. Campora vs M Wilder |
| ½-½ | 40 |
1981 |
Lone Pine | B16 Caro-Kann, Bronstein-Larsen Variation |
| 30. Biyiasas vs M Wilder |
| 0-1 | 45 |
1981 |
Lone Pine | B52 Sicilian, Canal-Sokolsky (Rossolimo) Attack |
| 31. M Wilder vs Tarjan |
 | 0-1 | 47 |
1981 |
Lone Pine (USA) | E12 Queen's Indian |
| 32. M Wilder vs V Liberzon |
 | 1-0 | 32 |
1981 |
Lone Pine | A80 Dutch |
| 33. E Schiller vs M Wilder |
| ½-½ | 21 |
1981 |
New York | A57 Benko Gambit |
| 34. M Wilder vs Tarjan |
| 0-1 | 47 |
1981 |
Lone | E12 Queen's Indian |
| 35. M Wilder vs K Spraggett |
| ½-½ | 41 |
1983 |
Can. Open, Toronto | E76 King's Indian, Four Pawns Attack |
| 36. Adorjan vs M Wilder |
| 1-0 | 34 |
1984 |
New York (USA) | D32 Queen's Gambit Declined, Tarrasch |
| 37. M Wilder vs Igor Ivanov |
| ½-½ | 11 |
1984 |
New York it | E97 King's Indian |
| 38. M Wilder vs Larsen |
| 1-0 | 35 |
1984 |
New York op | E12 Queen's Indian |
| 39. D Gurevich vs M Wilder |
| 0-1 | 46 |
1984 |
USA | D34 Queen's Gambit Declined, Tarrasch |
| 40. M Wilder vs Speelman |
| ½-½ | 31 |
1984 |
London (England) | E12 Queen's Indian |
| 41. M Wilder vs J Bonin |
| 1-0 | 47 |
1984 |
New York Int | A61 Benoni |
| 42. Portisch vs M Wilder |
 | 1-0 | 46 |
1984 |
New York | D34 Queen's Gambit Declined, Tarrasch |
| 43. M Wilder vs Sosonko |
| ½-½ | 14 |
1984 |
New York | E12 Queen's Indian |
| 44. M Wilder vs L Day |
| ½-½ | 46 |
1985 |
Toronto International Open | A53 Old Indian |
| 45. M Wilder vs Alburt |
| 0-1 | 32 |
1985 |
04, New York op | E10 Queen's Pawn Game |
| 46. Macagno Sergio vs M Wilder |
| 0-1 | 10 |
1985 |
Ch World (team) (under 26) | A05 Reti Opening |
| 47. M Wilder vs J Benjamin |
| ½-½ | 19 |
1986 |
09, Estes Park | B07 Pirc |
| 48. Alburt vs M Wilder |
| 1-0 | 23 |
1986 |
Ch USA | E75 King's Indian, Averbakh, Main line |
| 49. Geller vs M Wilder |
| ½-½ | 113 |
1986 |
Reykjavik | C09 French, Tarrasch, Open Variation, Main line |
| 50. Alburt vs M Wilder |
| 1-0 | 40 |
1986 |
06, Reykjavik | E73 King's Indian |