| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 51. C Landenbergue vs J Bellon Lopez |
| 1-0 | 81 | 1988 | Biel-B | A05 Reti Opening |
| 52. C Landenbergue vs A Zapata |
| 0-1 | 54 | 1988 | Biel-B | E63 King's Indian, Fianchetto, Panno Variation |
| 53. C Landenbergue vs F Gobet |
| 0-1 | 41 | 1988 | Biel-B | A15 English |
| 54. N Gaprindashvili vs C Landenbergue |
| 0-1 | 61 | 1988 | Biel-B | E20 Nimzo-Indian |
| 55. J Costa vs C Landenbergue |
| ½-½ | 11 | 1988 | Biel-B | E09 Catalan, Closed |
| 56. M Franic vs C Landenbergue |
| 1-0 | 68 | 1989 | Prague Vysehrad | E00 Queen's Pawn Game |
| 57. C Landenbergue vs M Thesing |
| ½-½ | 41 | 1989 | Zug | A07 King's Indian Attack |
| 58. C Landenbergue vs A Huss |
| 1-0 | 30 | 1989 | Lucerne | E45 Nimzo-Indian, 4.e3, Bronstein (Byrne) Variation |
| 59. D Summermatter vs C Landenbergue |
| ½-½ | 71 | 1989 | Lucerne | A81 Dutch |
| 60. C Landenbergue vs R Kraut |
| ½-½ | 15 | 1989 | Zug | A28 English |
| 61. J Gallagher vs C Landenbergue |
| 1-0 | 40 | 1989 | Zug | C16 French, Winawer |
| 62. M Hug vs C Landenbergue |
| 1-0 | 50 | 1989 | Zug | B05 Alekhine's Defense, Modern |
| 63. C Landenbergue vs Z Franco Ocampos |
| 0-1 | 31 | 1989 | Lucerne | A04 Reti Opening |
| 64. Nijboer vs C Landenbergue |
| 1-0 | 36 | 1989 | Lucerne | B05 Alekhine's Defense, Modern |
| 65. C Landenbergue vs L Brunner |
| 0-1 | 53 | 1989 | Zug | B14 Caro-Kann, Panov-Botvinnik Attack |
| 66. C Landenbergue vs G Miralles |
| 0-1 | 41 | 1989 | Lucerne | A06 Reti Opening |
| 67. M Wahls vs C Landenbergue |
| 1-0 | 47 | 1989 | Lucerne | C03 French, Tarrasch |
| 68. C Landenbergue vs A Fauland |
| ½-½ | 50 | 1989 | Zug | A56 Benoni Defense |
| 69. D King vs C Landenbergue |
| 1-0 | 33 | 1989 | Lucerne | C14 French, Classical |
| 70. C Landenbergue vs J Klinger |
| 0-1 | 38 | 1989 | Lucerne | A13 English |
| 71. G Kraehenbuehl vs C Landenbergue |
| 0-1 | 51 | 1989 | Lucerne | A54 Old Indian, Ukrainian Variation, 4.Nf3 |
| 72. C Landenbergue vs S Georges |
| 1-0 | 24 | 1989 | Zug | A10 English |
| 73. Gufeld vs C Landenbergue |
| ½-½ | 65 | 1989 | Biel MTO op | B05 Alekhine's Defense, Modern |
| 74. C Landenbergue vs J Ambroz |
| ½-½ | 10 | 1989 | Lucerne | E42 Nimzo-Indian, 4.e3 c5, 5.Ne2 (Rubinstein) |
| 75. C Landenbergue vs M Cebalo |
| ½-½ | 24 | 1989 | Lucerne | A04 Reti Opening |
Kibitzing
