Game |
| Result | Moves |
Year | Event/Locale | Opening |
1. K Blagojevic vs R Timmer |
| 1-0 | 43 | 1960 | Hoogovens (Women) | E80 King's Indian, Samisch Variation |
2. R Timmer vs A van der Veen-Baas |
| 1-0 | 45 | 1960 | Hoogovens (Women) | A48 King's Indian |
3. C Chaude de Silans vs R Timmer |
| 1-0 | 26 | 1961 | Amsterdam Danlon (Women) | B14 Caro-Kann, Panov-Botvinnik Attack |
4. K Blagojevic vs R Timmer |
| 1-0 | 36 | 1963 | Hoogovens (Women) | B07 Pirc |
5. A Brandler vs R Timmer |
| 0-1 | 50 | 1963 | Split Olympiad (Women) | A21 English |
6. R Timmer vs M Cauquil |
| 1-0 | 21 | 1963 | Split Olympiad (Women) | D00 Queen's Pawn Game |
7. R Timmer vs S Handsuren |
| 1-0 | 42 | 1963 | Split Olympiad (Women) | C11 French |
8. R Timmer vs N Elder |
| 1-0 | 19 | 1963 | Split Olympiad (Women) | C11 French |
9. M Bain vs R Timmer |
| 0-1 | 45 | 1963 | Split Olympiad (Women) | A04 Reti Opening |
10. T Zatulovskaya vs R Timmer |
| 1-0 | 46 | 1963 | Split Olympiad (Women) | B07 Pirc |
11. W Nowarra vs R Timmer |
| ½-½ | 17 | 1963 | Split Olympiad (Women) | C45 Scotch Game |
12. R Timmer vs E Krizsan-Bilek |
| ½-½ | 39 | 1963 | Split Olympiad (Women) | D05 Queen's Pawn Game |
13. M Lazarevic vs R Timmer |
| ½-½ | 46 | 1966 | Oberhausen Olympiad (Women) | B00 Uncommon King's Pawn Opening |
14. L Lane vs R Timmer |
 | 0-1 | 46 | 1966 | Oberhausen Olympiad (Women) | B07 Pirc |
15. R M Bruce vs R Timmer |
| ½-½ | 38 | 1966 | Oberhausen Olympiad (Women) | A02 Bird's Opening |
16. E Keller-Herrmann vs R Timmer |
| 0-1 | 41 | 1966 | Oberhausen Olympiad (Women) | A96 Dutch, Classical Variation |
17. M Perevoznic vs R Timmer |
| 1-0 | 35 | 1966 | Oberhausen Olympiad (Women) | A84 Dutch |
18. A Dragasevic vs R Timmer |
| 0-1 | 89 | 1966 | Oberhausen Olympiad (Women) | B07 Pirc |
19. R Timmer vs E Karakas |
| 1-0 | 47 | 1966 | Oberhausen Olympiad (Women) | C01 French, Exchange |
20. R Timmer vs J Bellin |
| 0-1 | 37 | 1966 | Oberhausen Olympiad (Women) | D01 Richter-Veresov Attack |
21. R Timmer vs K Blagojevic |
| 1-0 | 42 | 1967 | Hoogovens (Women) | A44 Old Benoni Defense |
22. H Weichert-Joerger vs R Timmer |
| 0-1 | 27 | 1969 | Lublin Olympiad (Women) | B07 Pirc |
23. M Litmanowicz vs R Timmer |
| 1-0 | 54 | 1969 | Lublin Olympiad (Women) | A80 Dutch |
24. R Timmer vs J Bellin |
| 0-1 | 45 | 1969 | Lublin Olympiad (Women) | A44 Old Benoni Defense |
25. L Honfi-Gurszky vs R Timmer |
| 0-1 | 66 | 1969 | Lublin Olympiad (Women) | A96 Dutch, Classical Variation |