Game |
| Result | Moves |
Year | Event/Locale | Opening |
1. B Patteson vs D Rivera |
| 0-1 | 47 | 1959 | 60th US Open | C28 Vienna Game |
2. D Rivera vs Jay R Martinson |
| 1-0 | 57 | 1959 | 60th US Open | A94 Dutch, Stonewall with Ba3 |
3. D Rivera vs C Henin |
| 1-0 | 46 | 1959 | 60th US Open | A67 Benoni, Taimanov Variation |
4. W Carr vs D Rivera |
| 0-1 | 60 | 1959 | 60th US Open | C68 Ruy Lopez, Exchange |
5. D Rivera vs A Saidy |
| ½-½ | 53 | 1959 | 60th US Open | E63 King's Indian, Fianchetto, Panno Variation |
6. E Marchand vs D Rivera |
| 0-1 | 34 | 1959 | 60th US Open | E92 King's Indian |
7. D Rivera vs C Brasket |
| ½-½ | 21 | 1959 | 60th US Open | A39 English, Symmetrical, Main line with d4 |
8. D Rivera vs A Bisguier |
| 0-1 | 50 | 1959 | 60th US Open | D43 Queen's Gambit Declined Semi-Slav |
9. K Smith vs D Rivera |
| 1-0 | 33 | 1959 | 60th US Open | C02 French, Advance |
10. D Rivera vs L Gilden |
| ½-½ | 40 | 1959 | 60th US Open | E29 Nimzo-Indian, Samisch |
11. V Palciauskas vs D Rivera |
| ½-½ | 23 | 1959 | 60th US Open | C71 Ruy Lopez |
12. D Rivera vs G Tringov |
| 0-1 | 57 | 1962 | Varna Olympiad qual-2 | B90 Sicilian, Najdorf |
13. D Rivera vs Fischer |
  | 0-1 | 16 | 1962 | Varna Olympiad qual-2 | E40 Nimzo-Indian, 4.e3 |
14. D Rivera vs N Suer |
| 1-0 | 31 | 1962 | Varna Olympiad Final-C | E88 King's Indian, Samisch, Orthodox, 7.d5 c6 |
15. D Rivera vs R Belkadi |
| ½-½ | 34 | 1962 | Varna Olympiad Final-C | B32 Sicilian |
16. F Filipov vs D Rivera |
| ½-½ | 44 | 1962 | Varna Olympiad Final-C | A21 English |
17. S Johannessen vs D Rivera |
| 1-0 | 49 | 1962 | Varna Olympiad Final-C | B29 Sicilian, Nimzovich-Rubinstein |
18. Y Pustina vs D Rivera |
| 0-1 | 21 | 1962 | Varna Olympiad Final-C | A62 Benoni, Fianchetto Variation |
19. C Boutteville vs D Rivera |
| 0-1 | 69 | 1962 | Varna Olympiad Final-C | A46 Queen's Pawn Game |
20. P Tautvaisas vs D Rivera |
| 1-0 | 47 | 1964 | Illinois op | B43 Sicilian, Kan, 5.Nc3 |
21. D Rivera vs P Vayssie |
| 0-1 | 56 | 1965 | Las Vegas National open | C89 Ruy Lopez, Marshall |
22. O Gunsav vs D Rivera |
| ½-½ | 35 | 1965 | olm5 fin B4 corr6568 | E24 Nimzo-Indian, Samisch |
23. D Rivera vs J Hybl |
 | 0-1 | 38 | 1965 | olm5 fin B4 corr6568 | B65 Sicilian, Richter-Rauzer Attack, 7...Be7 Defense, 9...Nxd4 |
24. E Ditt vs D Rivera |
| 1-0 | 32 | 1965 | olm5 fin B4 corr6568 | C16 French, Winawer |
25. D Rivera vs O Moiseev |
| 0-1 | 20 | 1965 | olm5 fin B4 corr6568 | E92 King's Indian |