| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 51. H Friehoff vs C Clemens |
| 0-1 | 43 | 1973 | Solingen | A88 Dutch, Leningrad, Main Variation with c6 |
| 52. B Kurajica vs C Clemens |
| 1-0 | 29 | 1973 | Solingen | B15 Caro-Kann |
| 53. G Capelan vs C Clemens |
| ½-½ | 51 | 1973 | Solingen | B04 Alekhine's Defense, Modern |
| 54. C Clemens vs E Haag |
| 0-1 | 67 | 1973 | Solingen | A04 Reti Opening |
| 55. J Eising vs C Clemens |
| 1-0 | 41 | 1973 | Solingen | A81 Dutch |
| 56. C Clemens vs J Fappas |
| 1-0 | 61 | 1973 | Solingen | A06 Reti Opening |
| 57. C Clemens vs U Dresen |
| 1-0 | 38 | 1973 | Solingen | A45 Queen's Pawn Game |
| 58. O'Kelly vs C Clemens |
| ½-½ | 44 | 1973 | Solingen | A81 Dutch |
| 59. C Clemens vs H Lehmann |
| ½-½ | 82 | 1973 | Solingen | A45 Queen's Pawn Game |
| 60. P Hans vs C Clemens |
| 0-1 | 43 | 1973 | Solingen | A02 Bird's Opening |
| 61. C Clemens vs R Behling |
| 1-0 | 41 | 1973 | Solingen | A45 Queen's Pawn Game |
| 62. Szabo vs C Clemens |
| ½-½ | 19 | 1974 | Solingen | B13 Caro-Kann, Exchange |
| 63. C Clemens vs J Eising |
| 0-1 | 41 | 1974 | Solingen | A89 Dutch, Leningrad, Main Variation with Nc6 |
| 64. C Clemens vs Spassky |
| ½-½ | 18 | 1974 | Solingen | A25 English |
| 65. C Clemens vs Kavalek |
| 0-1 | 56 | 1974 | Solingen | A49 King's Indian, Fianchetto without c4 |
| 66. C Clemens vs B Kurajica |
| 0-1 | 40 | 1974 | Solingen | A25 English |
| 67. C Clemens vs G Capelan |
| 0-1 | 34 | 1974 | Solingen | E07 Catalan, Closed |
| 68. K Honfi vs C Clemens |
| 0-1 | 37 | 1974 | Solingen | B15 Caro-Kann |
| 69. C Clemens vs H Hecht |
| ½-½ | 31 | 1974 | Solingen | A05 Reti Opening |
| 70. M Gerusel vs C Clemens |
| 1-0 | 77 | 1974 | Solingen | A81 Dutch |
| 71. Polugaevsky vs C Clemens |
| 1-0 | 27 | 1974 | Solingen | A80 Dutch |
| 72. V Liberzon vs C Clemens |
| 1-0 | 45 | 1974 | Solingen | B04 Alekhine's Defense, Modern |
| 73. C Clemens vs Uhlmann |
| ½-½ | 56 | 1974 | Solingen | A00 Uncommon Opening |
| 74. H Lehmann vs C Clemens |
| ½-½ | 53 | 1974 | Solingen | A85 Dutch, with c4 & Nc3 |
| 75. Westerinen vs C Clemens |
| 1-0 | 40 | 1974 | Solingen | B15 Caro-Kann |
Kibitzing
