| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. Arcibaldo De Souza vs R E Rain |
| 0-1 | 17 |
1981 |
BRA TBI-C corr | B74 Sicilian, Dragon, Classical |
| 2. R Teixeira Neves vs R E Rain |
| 0-1 | 24 |
1981 |
BRA TBI-C corr | D51 Queen's Gambit Declined |
| 3. H Michalski vs R E Rain |
| ½-½ | 24 |
1981 |
BRA TBI-C corr | B21 Sicilian, 2.f4 and 2.d4 |
| 4. Valdon Matos vs R E Rain |
| 0-1 | 26 |
1981 |
BRA TBI-C corr | D00 Queen's Pawn Game |
| 5. E Takatsu vs R E Rain |
| ½-½ | 45 |
1981 |
BRA TBI-C corr | D30 Queen's Gambit Declined |
| 6. G de Campos Kerr vs R E Rain |
| 1-0 | 27 |
1981 |
BRA TBI-C corr | C88 Ruy Lopez |
| 7. Havanir Welsch Ribeiro vs R E Rain |
| 0-1 | 27 |
1981 |
BRA TBI-C corr | B03 Alekhine's Defense |
| 8. J Breitenbach vs R E Rain |
| ½-½ | 45 |
1994 |
CBI-C-X-S-0007 corr | B03 Alekhine's Defense |
| 9. Reynaldo Augusto Fe Alvarenga vs R E Rain |
 | ½-½ | 29 |
1994 |
CBI-C-X-S-0007 corr | B02 Alekhine's Defense |
| 10. Marcus Antonio Roli Silva vs R E Rain |
| ½-½ | 32 |
1994 |
CBI-C-X-S-0007 corr | E88 King's Indian, Samisch, Orthodox, 7.d5 c6 |
| 11. C de Holanda vs R E Rain |
| ½-½ | 23 |
1994 |
CBI-C-X-S-0007 corr | B04 Alekhine's Defense, Modern |
| 12. Otavio Antonio De Araujo vs R E Rain |
| ½-½ | 30 |
1995 |
BRA TCS-A corr | A03 Bird's Opening |
| 13. Iraja Leonardo Da Fonseca vs R E Rain |
| ½-½ | 28 |
1995 |
BRA TCS-A corr | B02 Alekhine's Defense |
| 14. M Yamamoto vs R E Rain |
| 0-1 | 43 |
1995 |
BRA TCS-A corr | D85 Grunfeld |
| 15. Alcindo Luz Bastos Silva Filho vs R E Rain |
| 0-1 | 22 |
1995 |
BRA TCS-A corr | B02 Alekhine's Defense |
| 16. Romualdo LP De Oliveira vs R E Rain |
| 0-1 | 38 |
1995 |
BRA TCS-A corr | B02 Alekhine's Defense |
| 17. A Bartsch vs R E Rain |
| 0-1 | 26 |
1997 |
ICCF-Cup11 V85 corr | B02 Alekhine's Defense |
| 18. H Baensch vs R E Rain |
| ½-½ | 37 |
1997 |
ICCF-Cup11 V85 corr | B04 Alekhine's Defense, Modern |
| 19. Joao Baptista Da Silva vs R E Rain |
| 0-1 | 28 |
1998 |
BRA jub30-B corr | B03 Alekhine's Defense |
| 20. Z Bernardino vs R E Rain |
| 1-0 | 29 |
1998 |
BRA jub30-B corr | B04 Alekhine's Defense, Modern |
| 21. J Salvador Marques vs R E Rain |
| 1-0 | 24 |
1999 |
Antonio Pacini mem-A email | B04 Alekhine's Defense, Modern |
| 22. P Bergmann vs R E Rain |
| 0-1 | 39 |
2000 |
Latin Am zt 15th sf3 corr | A19 English, Mikenas-Carls, Sicilian Variation |
| 23. R de Castro Cerqueira Filh vs R E Rain |
| ½-½ | 34 |
2000 |
Latin Am zt 15th sf3 corr | B04 Alekhine's Defense, Modern |
| 24. R E Rain vs P Eiben |
| 0-1 | 46 |
2004 |
ICCF Email - corr | A67 Benoni, Taimanov Variation |