| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 51. Fischer vs F Olafsson |
 | 1-0 | 37 |
1966 |
Havana ol final | C83 Ruy Lopez, Open |
| 52. Fischer vs S Johannessen |
 | 1-0 | 36 |
1966 |
Havana ol prel | C70 Ruy Lopez |
| 53. Fischer vs Stein |
 | 1-0 | 56 |
1967 |
Sousse Interzonal | C92 Ruy Lopez, Closed |
| 54. Fischer vs Reshevsky |
 | 1-0 | 46 |
1967 |
Sousse Interzonal | C93 Ruy Lopez, Closed, Smyslov Defense |
| 55. Fischer vs G Forintos |
 | 1-0 | 47 |
1967 |
Monte Carlo | C95 Ruy Lopez, Closed, Breyer |
| 56. Fischer vs L Barczay |
 | 1-0 | 24 |
1967 |
Sousse Interzonal | C95 Ruy Lopez, Closed, Breyer |
| 57. Fischer vs A Matanovic |
 | 1-0 | 44 |
1968 |
Vinkovci | C92 Ruy Lopez, Closed |
| 58. Fischer vs A Anastasopoulos |
 | 1-0 | 30 |
1968 |
Athen sim | C69 Ruy Lopez, Exchange, Gligoric Variation, 6.d4 |
| 59. Fischer vs H Ree |
 | 1-0 | 25 |
1968 |
Netanya | C81 Ruy Lopez, Open, Howell Attack |
| 60. Fischer vs Matulovic |
  | 1-0 | 33 |
1970 |
Herceg Novi blitz | C63 Ruy Lopez, Schliemann Defense |
| 61. Fischer vs Ivkov |
 | 1-0 | 44 |
1970 |
Palma de Mallorca Interzonal | C93 Ruy Lopez, Closed, Smyslov Defense |
| 62. Fischer vs Unzicker |
 | 1-0 | 42 |
1970 |
Siegen ol final | C69 Ruy Lopez, Exchange, Gligoric Variation, 6.d4 |
| 63. Fischer vs O'Kelly |
 | 1-0 | 36 |
1970 |
Buenos Aires | C98 Ruy Lopez, Closed, Chigorin |
| 64. Fischer vs Gligoric |
 | 1-0 | 35 |
1970 |
Rovinj/Zagreb | C93 Ruy Lopez, Closed, Smyslov Defense |
| 65. Fischer vs J A Rubinetti |
 | 1-0 | 28 |
1970 |
Buenos Aires | C69 Ruy Lopez, Exchange, Gligoric Variation, 6.d4 |
| 66. Fischer vs Bisguier |
 | 1-0 | 25 |
1970 |
Buenos Aires (Argentina) | C78 Ruy Lopez |
| 67. Fischer vs H Rossetto |
 | 1-0 | 50 |
1970 |
Buenos Aires | C99 Ruy Lopez, Closed, Chigorin, 12...cd |
| 68. Fischer vs J Gore |
 | 1-0 | 47 |
1971 |
Manhattan blitz | C98 Ruy Lopez, Closed, Chigorin |
| 69. Fischer vs P Brandts |
 | 1-0 | 38 |
1971 |
Manhattan blitz | C98 Ruy Lopez, Closed, Chigorin |
| 70. Fischer vs W Shipman |
 | 1-0 | 24 |
1971 |
Manhattan blitz | C60 Ruy Lopez |
| 71. Fischer vs G Kramer |
 | 1-0 | 40 |
1971 |
Manhattan blitz | C69 Ruy Lopez, Exchange, Gligoric Variation, 6.d4 |
| 72. Fischer vs Spassky |
 | 1-0 | 56 |
1972 |
Fischer-Spassky World Championship Match | C95 Ruy Lopez, Closed, Breyer |
| 73. Fischer vs Spassky |
 | 1-0 | 21 |
1992 |
Fischer-Spassky | C69 Ruy Lopez, Exchange, Gligoric Variation, 6.d4 |
| 74. Fischer vs Spassky |
 | 1-0 | 50 |
1992 |
Fischer-Spassky | C95 Ruy Lopez, Closed, Breyer |
| 75. Fischer vs Spassky |
 | 1-0 | 44 |
1992 |
Fischer-Spassky | C90 Ruy Lopez, Closed |