| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 1. W Hook vs C Blocker |
| 1-0 | 25 | 1972 | USA op | D20 Queen's Gambit Accepted |
| 2. R Noel vs C Blocker |
 | 1-0 | 23 | 1972 | 73rd US Open | B93 Sicilian, Najdorf, 6.f4 |
| 3. C Blocker vs L Day |
| 1-0 | 50 | 1973 | Chess Corner Classic | A07 King's Indian Attack |
| 4. C Bassin vs C Blocker |
| 0-1 | 17 | 1975 | Michigan | C00 French Defense |
| 5. G Trammell vs C Blocker |
| 0-1 | 35 | 1975 | 76th US Open | C86 Ruy Lopez, Worrall Attack |
| 6. C Blocker vs L Kaufman |
| ½-½ | 51 | 1975 | 76th US Open | A04 Reti Opening |
| 7. A Bisguier vs C Blocker |
| 0-1 | 74 | 1976 | US op | C16 French, Winawer |
| 8. A Soltis vs C Blocker |
| 1-0 | 30 | 1976 | National Chess League | C77 Ruy Lopez |
| 9. C Blocker vs P Cornelius |
| 0-1 | 30 | 1976 | National Chess League | C19 French, Winawer, Advance |
| 10. C Marshall vs C Blocker |
| 0-1 | 57 | 1977 | John G White mem,OH | B14 Caro-Kann, Panov-Botvinnik Attack |
| 11. C Blocker vs A Soltis |
| 0-1 | 56 | 1977 | National Chess League | E62 King's Indian, Fianchetto |
| 12. J Tarjan vs C Blocker |
| 1-0 | 27 | 1977 | Paul Masson Open | A58 Benko Gambit |
| 13. C Blocker vs T D Baldwin |
| 1-0 | 48 | 1977 | 78th US Open | A01 Nimzovich-Larsen Attack |
| 14. C Blocker vs R W Buchanan |
| 1-0 | 44 | 1977 | 78th US Open | A01 Nimzovich-Larsen Attack |
| 15. Benjamin vs C Blocker |
| 1-0 | 44 | 1978 | 04, v New York City | B40 Sicilian |
| 16. C Blocker vs A Soltis |
| 1-0 | 45 | 1978 | Marshall Futurity | E62 King's Indian, Fianchetto |
| 17. C Blocker vs D Sahovic |
| 0-1 | 34 | 1979 | Lone Pine | C04 French, Tarrasch, Guimard Main line |
| 18. R Ayyar vs C Blocker |
| 0-1 | 27 | 1979 | Lone Pine | A28 English |
| 19. C Blocker vs P Biyiasas |
| 0-1 | 54 | 1979 | Lone Pine | A25 English |
| 20. J Thibault vs C Blocker |
| 1-0 | 56 | 1979 | Lone Pine | C02 French, Advance |
| 21. C Blocker vs L Day |
| 1-0 | 45 | 1979 | Lone Pine | A53 Old Indian |
| 22. Pachman vs C Blocker |
| 1-0 | 40 | 1979 | Lone Pine | A77 Benoni, Classical, 9...Re8, 10.Nd2 |
| 23. M Wilder vs C Blocker |
| 1-0 | 41 | 1979 | Lone Pine | C04 French, Tarrasch, Guimard Main line |
| 24. C Blocker vs P Whitehead |
| 0-1 | 35 | 1979 | Lone Pine | A26 English |
| 25. R Balinas vs C Blocker |
| 0-1 | 40 | 1979 | Lone Pine | C04 French, Tarrasch, Guimard Main line |
Kibitzing
