Game |
| Result | Moves |
Year | Event/Locale | Opening |
1. R Grimaldi vs M Cuellar Gacharna |
| 1-0 | 38 | 1973 | Caracas | A02 Bird's Opening |
2. R Grimaldi vs C A Fernan |
| 1-0 | 40 | 1973 | Caracas | D50 Queen's Gambit Declined |
3. L Villasmil vs R Grimaldi |
| ½-½ | 36 | 1973 | Caracas | A15 English |
4. R Grimaldi vs N Caro |
| 0-1 | 59 | 1973 | Caracas | A07 King's Indian Attack |
5. F Sabga vs R Grimaldi |
| ½-½ | 54 | 1973 | Caracas | C01 French, Exchange |
6. O Yepez Obando vs R Grimaldi |
| ½-½ | 23 | 1973 | Caracas | C43 Petrov, Modern Attack |
7. R Grimaldi vs K Frey Beckman |
| ½-½ | 40 | 1973 | Caracas | C53 Giuoco Piano |
8. J A Gutierrez Herrera vs R Grimaldi |
| 1-0 | 58 | 1973 | Caracas | D55 Queen's Gambit Declined |
9. R Grimaldi vs J R Martinez |
| 1-0 | 40 | 1973 | Caracas | B42 Sicilian, Kan |
10. L J Torres vs R Grimaldi |
| 1-0 | 34 | 1973 | Caracas | B21 Sicilian, 2.f4 and 2.d4 |
11. R Grimaldi vs H Chan |
| ½-½ | 27 | 1973 | Caracas | A07 King's Indian Attack |
12. J Contreras vs R Grimaldi |
| 0-1 | 66 | 1973 | Caracas | E12 Queen's Indian |
13. R Grimaldi vs G Hernandez |
| 1-0 | 59 | 1973 | Caracas | A03 Bird's Opening |
14. R Bianco vs R Grimaldi |
| 0-1 | 34 | 1973 | Caracas | A45 Queen's Pawn Game |
15. O de Leon vs R Grimaldi |
| 1-0 | 46 | 1973 | Caracas | A04 Reti Opening |
16. R Grimaldi vs E Gonzales |
| ½-½ | 25 | 1973 | Caracas | D02 Queen's Pawn Game |
17. J Padilla Liceaga vs R Grimaldi |
| ½-½ | 33 | 1973 | Caracas | A04 Reti Opening |
18. R Grimaldi vs J L Jimenez Molina |
| ½-½ | 19 | 1973 | Caracas | C01 French, Exchange |
19. J Berry vs R Grimaldi |
| 1-0 | 26 | 1977 | Pan American Championship | C28 Vienna Game |
20. R Grimaldi vs H van Riemsdijk |
| 0-1 | 41 | 1977 | Pan American Championship | A07 King's Indian Attack |
21. C Gamarra Caceres vs R Grimaldi |
| 0-1 | 41 | 1977 | Pan American Championship | B94 Sicilian, Najdorf |
22. C Pesantes Carbajal vs R Grimaldi |
| 0-1 | 37 | 1977 | Pan American Championship | A88 Dutch, Leningrad, Main Variation with c6 |
23. R Grimaldi vs A Anelli |
| 0-1 | 52 | 1977 | Pan American Championship | B59 Sicilian, Boleslavsky Variation, 7.Nb3 |
24. O de Leon vs R Grimaldi |
| 1-0 | 37 | 1977 | Pan American Championship | C45 Scotch Game |
25. R Grimaldi vs P H Donoso Velasco |
| 1-0 | 29 | 1977 | Pan American Championship | B89 Sicilian |