| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. L Day vs C Blocker |
 | 1-0 | 31 | 1979 | 7th World Open | C34 King's Gambit Accepted |
| 27. G Garcia vs C Blocker |
| 0-1 | 27 | 1979 | Atlantic Open | C67 Ruy Lopez |
| 28. A Soltis vs C Blocker |
| 1-0 | 38 | 1980 | Frank J. Marshall International | B03 Alekhine's Defense |
| 29. C Blocker vs L Day |
| 0-1 | 55 | 1980 | Marshall Bar Point int. | B27 Sicilian |
| 30. C Blocker vs R Lopez |
| 1-0 | 22 | 1980 | World Youth U26 Team Championship qual-4 | E27 Nimzo-Indian, Samisch Variation |
| 31. C Blocker vs H Tang |
| 0-1 | 41 | 1980 | World Youth U26 Team Championship Final-A | A71 Benoni, Classical, 8.Bg5 |
| 32. C Blocker vs A Mikhalchishin |
| 0-1 | 36 | 1980 | World Youth U26 Team Championship Final-A | D50 Queen's Gambit Declined |
| 33. C Blocker vs R Vera |
| ½-½ | 32 | 1980 | World Youth U26 Team Championship Final-A | D47 Queen's Gambit Declined Semi-Slav |
| 34. Y E Liao vs C Blocker |
| 1-0 | 39 | 1980 | World Youth U26 Team Championship Final-A | B03 Alekhine's Defense |
| 35. C Blocker vs C Cranbourne |
| ½-½ | 27 | 1980 | World Youth U26 Team Championship Final-A | D32 Queen's Gambit Declined, Tarrasch |
| 36. C Blocker vs A J Norris |
| 1-0 | 33 | 1980 | World Youth U26 Team Championship Final-A | E24 Nimzo-Indian, Samisch |
| 37. K Spraggett vs C Blocker |
| 1-0 | 41 | 1982 | Ligue Nationale | B33 Sicilian |
| 38. Timothy McCarthy vs C Blocker |
| 0-1 | 33 | 1982 | Parma Open | A00 Uncommon Opening |
| 39. C Blocker vs J Forte |
| 1-0 | 27 | 1983 | Detroit East op | E65 King's Indian, Fianchetto, Yugoslav, 7.O-O |
| 40. W J Donaldson vs C Blocker |
| ½-½ | 55 | 1983 | Detroit East op | A04 Reti Opening |
| 41. C Blocker vs Dan Martens |
| 1-0 | 60 | 1983 | Detroit East op | A15 English |
| 42. C Blocker vs I Ivanov |
| 0-1 | 40 | 1983 | Region V Champ | E12 Queen's Indian |
| 43. C Blocker vs I Ivanov |
| 0-1 | 44 | 1983 | Cardinal op | D80 Grunfeld |
| 44. K Noren vs C Blocker |
| 0-1 | 32 | 1983 | Detroit East op | E12 Queen's Indian |
| 45. C Blocker vs M Knecht |
| 1-0 | 25 | 1983 | Detroit East op | C68 Ruy Lopez, Exchange |
| 46. B M Kogan vs C Blocker |
| 1-0 | 63 | 1983 | 11th World Open | A53 Old Indian |
| 47. C Blocker vs Larry Waite |
| 1-0 | 36 | 1983 | Parma Open | A15 English |
| 48. G Nesis vs C Blocker |
| 1-0 | 50 | 1984 | Correspondence | E04 Catalan, Open, 5.Nf3 |
| 49. C Blocker vs P H Fields |
| 0-1 | 32 | 1984 | Gem City Open | D07 Queen's Gambit Declined, Chigorin Defense |
| 50. C Blocker vs A Zapata |
| 1-0 | 33 | 1984 | New York International Open | A15 English |
Kibitzing
