| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 226. B De Greiff vs Keene |
| ½-½ | 31 | 1974 | Capablanca Memorial-B | A47 Queen's Indian |
| 227. B De Greiff vs G Lebredo Zaragoitia |
| ½-½ | 47 | 1974 | Capablanca Memorial-B | A46 Queen's Pawn Game |
| 228. M Campos Lopez vs B De Greiff |
| 1-0 | 59 | 1974 | Capablanca Memorial-B | C60 Ruy Lopez |
| 229. B De Greiff vs J L Vilela |
| ½-½ | 61 | 1974 | Capablanca Memorial-B | B51 Sicilian, Canal-Sokolsky (Rossolimo) Attack |
| 230. J Kolbak vs B De Greiff |
| ½-½ | 20 | 1974 | Nice Olympiad Final-B | E91 King's Indian |
| 231. R Ott vs B De Greiff |
| ½-½ | 22 | 1974 | Nice Olympiad Final-B | E82 King's Indian, Samisch, double Fianchetto Variation |
| 232. A Rodriguez vs B De Greiff |
| 1-0 | 32 | 1975 | Capablanca mem-B | C60 Ruy Lopez |
| 233. J Boudy Bueno vs B De Greiff |
| 1-0 | 40 | 1975 | Capablanca mem-B | E91 King's Indian |
| 234. J E Ostos vs B De Greiff |
| 0-1 | 72 | 1976 | Capablanca mem-B 13th | C60 Ruy Lopez |
| 235. B De Greiff vs J Szmetan |
| ½-½ | 41 | 1976 | Capablanca mem-B 13th | A46 Queen's Pawn Game |
| 236. B De Greiff vs B Viglundsson |
| 1-0 | 34 | 1976 | Haifa Olympiad | B18 Caro-Kann, Classical |
| 237. B De Greiff vs A Diaz |
| ½-½ | 36 | 1976 | Haifa Olympiad | E60 King's Indian Defense |
| 238. B De Greiff vs L Pane |
| 1-0 | 50 | 1976 | Haifa Olympiad | C28 Vienna Game |
| 239. R Goldenberg vs B De Greiff |
| 0-1 | 58 | 1976 | Haifa Olympiad | A86 Dutch |
| 240. G Bonner vs B De Greiff |
| ½-½ | 51 | 1976 | Haifa Olympiad | C26 Vienna |
| 241. B De Greiff vs K Janetschek |
| 1-0 | 42 | 1976 | Haifa Olympiad | A07 King's Indian Attack |
| 242. B De Greiff vs J Padilla Liceaga |
| ½-½ | 10 | 1976 | Haifa Olympiad | A88 Dutch, Leningrad, Main Variation with c6 |
| 243. R Hoen vs B De Greiff |
| ½-½ | 27 | 1978 | Buenos Aires Olympiad | C51 Evans Gambit |
| 244. J Aldrete Lobo vs B De Greiff |
| ½-½ | 42 | 1978 | Buenos Aires Olympiad | D03 Torre Attack (Tartakower Variation) |
| 245. C Braga vs B De Greiff |
| 1-0 | 55 | 1978 | Buenos Aires Olympiad | C50 Giuoco Piano |
Kibitzing
