| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. W Muir vs Z Sarosy |
| 1-0 | 46 | 1976 | cr NAICCC II | C58 Two Knights |
| 27. W Muir vs N A Preo |
| 0-1 | 64 | 1976 | cr NAICCC II | B03 Alekhine's Defense |
| 28. W Muir vs B L Neff |
| 1-0 | 59 | 1976 | cr NAICCC II | C41 Philidor Defense |
| 29. W Muir vs Z Leskowsky |
| 1-0 | 52 | 1976 | cr NAICCC II | C51 Evans Gambit |
| 30. W Muir vs S Greene |
| 1-0 | 22 | 1976 | cr NAICCC II | B21 Sicilian, 2.f4 and 2.d4 |
| 31. R McLellan vs W Muir |
| ½-½ | 55 | 1976 | cr NAICCC II | A88 Dutch, Leningrad, Main Variation with c6 |
| 32. J Kalish vs W Muir |
| 1-0 | 24 | 1976 | cr NAICCC II | C38 King's Gambit Accepted |
| 33. R Cross vs W Muir |
| 0-1 | 24 | 1976 | cr NAICCC II | A21 English |
| 34. Z Vranesic vs W Muir |
| 1-0 | 31 | 1976 | cr NAICCC II | E55 Nimzo-Indian, 4.e3, Gligoric System, Bronstein Variation |
| 35. F Bohatirchuk vs W Muir |
 | 0-1 | 21 | 1976 | corr NAICCC II | C73 Ruy Lopez, Modern Steinitz Defense |
| 36. V Palciauskas vs W Muir |
| ½-½ | 52 | 1976 | cr NAICCC II | C72 Ruy Lopez, Modern Steinitz Defense, 5.O-O |
| 37. W Muir vs J S Morgado |
| 1-0 | 49 | 1977 | Americas-ch1 corr7780 | C43 Petrov, Modern Attack |
| 38. A Laurencena vs W Muir |
| 0-1 | 15 | 1977 | Americas-ch1 corr7780 | C34 King's Gambit Accepted |
| 39. R McLellan vs W Muir |
| 1-0 | 54 | 1977 | Americas-ch1 corr7780 | A00 Uncommon Opening |
| 40. J A Muhana vs W Muir |
| 1-0 | 31 | 1977 | Americas-ch1 corr7780 | C60 Ruy Lopez |
| 41. W Muir vs G Bartis |
| ½-½ | 60 | 1977 | Americas-ch1 corr7780 | C12 French, McCutcheon |
| 42. W Muir vs R Charpentier |
| 1-0 | 45 | 1977 | Americas-ch1 corr7780 | C51 Evans Gambit |
| 43. D J Belmonte vs W Muir |
| 1-0 | 30 | 1977 | Americas-ch1 corr7780 | C60 Ruy Lopez |
| 44. C Sanchez Pouso vs W Muir |
| ½-½ | 32 | 1977 | Americas-ch1 corr7780 | C76 Ruy Lopez, Modern Steinitz Defense, Fianchetto Variation |
| 45. W Muir vs A da Nobrega |
| 0-1 | 54 | 1977 | Americas-ch1 corr7780 | B42 Sicilian, Kan |
| 46. W Muir vs N Tener |
| 1-0 | 50 | 1977 | Americas-ch1 corr7780 | C58 Two Knights |
| 47. G Peterson vs W Muir |
| 1-0 | 10 | 1977 | Americas-ch1 corr7780 | E46 Nimzo-Indian |
| 48. J Wright vs W Muir |
| ½-½ | 35 | 1977 | Americas-ch1 corr7780 | A51 Budapest Gambit |
| 49. J Hebert vs W Muir |
| 0-1 | 43 | 1978 | cr NAICCC III | C60 Ruy Lopez |
| 50. D Dean vs W Muir |
| 1-0 | 34 | 1978 | cr NAICCC III | C76 Ruy Lopez, Modern Steinitz Defense, Fianchetto Variation |
Kibitzing
