| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. K Smith vs D Rivera |
| 1-0 | 33 | 1959 | 60th US Open | C02 French, Advance |
| 27. K Smith vs J F Shaw |
| 1-0 | 46 | 1959 | 60th US Open | B22 Sicilian, Alapin |
| 28. K Smith vs E Hearst |
| 0-1 | 37 | 1959 | 60th US Open | A46 Queen's Pawn Game |
| 29. P Morrell vs K Smith |
| 0-1 | 29 | 1960 | 61st US Open | B28 Sicilian, O'Kelly Variation |
| 30. A Bisguier vs K Smith |
| 1-0 | 21 | 1960 | 61st US Open | D33 Queen's Gambit Declined, Tarrasch |
| 31. K Smith vs W Batchelder |
| ½-½ | 40 | 1960 | 61st US Open | B22 Sicilian, Alapin |
| 32. K Smith vs M Harrow |
| 1-0 | 40 | 1960 | 61st US Open | B21 Sicilian, 2.f4 and 2.d4 |
| 33. L Blonarovych vs K Smith |
 | 0-1 | 32 | 1960 | 61st US Open | A15 English |
| 34. K Smith vs L Levy |
| 1-0 | 33 | 1960 | 61st US Open | C21 Center Game |
| 35. A Saidy vs K Smith |
| 1-0 | 52 | 1960 | 61st US Open | A12 English with b3 |
| 36. K Smith vs M E Mattingly |
| 1-0 | 48 | 1961 | 62nd US Open | A45 Queen's Pawn Game |
| 37. J Schmitt vs K Smith |
| ½-½ | 27 | 1961 | 62nd US Open | E80 King's Indian, Samisch Variation |
| 38. S H Langer vs K Smith |
| 0-1 | 22 | 1962 | 63rd US Open | E67 King's Indian, Fianchetto |
| 39. A Medina Garcia vs K Smith |
| 1-0 | 50 | 1962 | 63rd US Open | B92 Sicilian, Najdorf, Opocensky Variation |
| 40. K Smith vs A Bisguier |
| 0-1 | 35 | 1962 | 63rd US Open | C45 Scotch Game |
| 41. J Spence vs K Smith |
| 0-1 | 41 | 1962 | 63rd US Open | B80 Sicilian, Scheveningen |
| 42. S Matzner vs K Smith |
| 1-0 | 35 | 1962 | 63rd US Open | E26 Nimzo-Indian, Samisch |
| 43. K Smith vs R Castle |
| 1-0 | 22 | 1962 | 63rd US Open | C21 Center Game |
| 44. L Gilden vs K Smith |
| 1-0 | 44 | 1962 | 63rd US Open | B43 Sicilian, Kan, 5.Nc3 |
| 45. K Smith vs E Formanek |
| ½-½ | 56 | 1962 | 63rd US Open | B21 Sicilian, 2.f4 and 2.d4 |
| 46. W A Bills vs K Smith |
| 0-1 | 31 | 1964 | Texas State Championship | D32 Queen's Gambit Declined, Tarrasch |
| 47. C Hoey vs K Smith |
| 0-1 | 22 | 1965 | 66th US Open | D00 Queen's Pawn Game |
| 48. E Formanek vs K Smith |
| 0-1 | 17 | 1965 | 66th US Open | D52 Queen's Gambit Declined |
| 49. R Byrne vs K Smith |
| 1-0 | 71 | 1965 | 66th US Open | D28 Queen's Gambit Accepted, Classical |
| 50. K Smith vs M Burkett |
| 0-1 | 23 | 1966 | Oran Perry Open | A04 Reti Opening |
Kibitzing
