| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 51. J Sloth vs Tukmakov |
| 0-1 | 40 | 1969 | World Student Team Championship Final-A | A00 Uncommon Opening |
| 52. A S Segal vs J Sloth |
| 1-0 | 62 | 1969 | World Student Team Championship Final-A | A56 Benoni Defense |
| 53. Huebner vs J Sloth |
| 1-0 | 39 | 1969 | World Student Team Championship Final-A | B17 Caro-Kann, Steinitz Variation |
| 54. J Sloth vs L Spassov |
| 0-1 | 60 | 1969 | World Student Team Championship Final-A | A49 King's Indian, Fianchetto without c4 |
| 55. L Espig vs J Sloth |
| 1-0 | 42 | 1969 | World Student Team Championship Final-A | B23 Sicilian, Closed |
| 56. J Sloth vs B Zuckerman |
| ½-½ | 23 | 1969 | World Student Team Championship Final-A | A10 English |
| 57. Keene vs J Sloth |
| 1-0 | 42 | 1969 | World Student Team Championship Final-A | A04 Reti Opening |
| 58. J Sloth vs G Antunac |
 | ½-½ | 8 | 1969 | World Student Team Championship Final-A | A38 English, Symmetrical |
| 59. J Sloth vs J Hervir |
| 1-0 | 39 | 1971 | EU-ch08 corr | A12 English with b3 |
| 60. J Sloth vs V Kosenkov |
| ½-½ | 32 | 1971 | EU-ch08 corr | A01 Nimzovich-Larsen Attack |
| 61. K Darga vs J Sloth |
| ½-½ | 34 | 1971 | DEN-FRG m | E12 Queen's Indian |
| 62. J Sloth vs K Darga |
| ½-½ | 22 | 1971 | DEN-FRG m | A15 English |
| 63. N Karker vs J Sloth |
| 0-1 | 36 | 1971 | EU-ch05 corr | C11 French |
| 64. K Sorri vs J Sloth |
| ½-½ | 49 | 1971 | EU-chT prel | B10 Caro-Kann |
| 65. N Stull vs J Sloth |
| 0-1 | 26 | 1972 | Skopje Olympiad qual-1 | E31 Nimzo-Indian, Leningrad, Main line |
| 66. J Sloth vs Karpov |
 | 0-1 | 41 | 1972 | Skopje Olympiad qual-1 | A37 English, Symmetrical |
| 67. G Pena vs J Sloth |
| ½-½ | 44 | 1972 | Skopje Olympiad qual-1 | E20 Nimzo-Indian |
| 68. J Sloth vs I Saren |
| 1-0 | 74 | 1972 | Skopje Olympiad qual-1 | E18 Queen's Indian, Old Main line, 7.Nc3 |
| 69. J Sloth vs E Cobo Arteaga |
| ½-½ | 8 | 1972 | Skopje Olympiad qual-1 | D14 Queen's Gambit Declined Slav, Exchange Variation |
| 70. R Hartoch vs J Sloth |
| 1-0 | 45 | 1972 | Skopje Olympiad Final-A | A06 Reti Opening |
| 71. Ivkov vs J Sloth |
| 1-0 | 45 | 1972 | Skopje Olympiad Final-A | A16 English |
| 72. J Sloth vs A Bisguier |
| 1-0 | 58 | 1972 | Skopje Olympiad Final-A | A01 Nimzovich-Larsen Attack |
| 73. R Debarnot vs J Sloth |
| 0-1 | 59 | 1972 | Skopje Olympiad Final-A | E43 Nimzo-Indian, Fischer Variation |
| 74. J Sloth vs D Ghizdavu |
| ½-½ | 25 | 1972 | Skopje Olympiad Final-A | A10 English |
| 75. J Sloth vs Ribli |
| ½-½ | 46 | 1972 | Skopje Olympiad Final-A | A49 King's Indian, Fianchetto without c4 |
Kibitzing
