| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 26. Z Krnic vs J Szmetan |
| 1-0 | 41 |
1977 |
Hoogovens-B | C69 Ruy Lopez, Exchange, Gligoric Variation, 6.d4 |
| 27. Kupreichik vs J Szmetan |
| 1-0 | 59 |
1977 |
Wijk aan Zee II | C80 Ruy Lopez, Open |
| 28. J Szmetan vs Keene |
| 1-0 | 40 |
1978 |
13, Buenos Aires Clarin ARG | C00 French Defense |
| 29. Geller vs J Szmetan |
| 1-0 | 64 |
1978 |
Bogota | E63 King's Indian, Fianchetto, Panno Variation |
| 30. J Szmetan vs Ulf Andersson |
| 0-1 | 69 |
1978 |
3, Buenos Aires Clarin ARG | B28 Sicilian, O'Kelly Variation |
| 31. M Rubin vs J Szmetan |
| ½-½ | 25 |
1978 |
Buenos Aires op | A34 English, Symmetrical |
| 32. Dzindzichashvili vs J Szmetan |
| ½-½ | 41 |
1978 |
4, Buenos Aires | A30 English, Symmetrical |
| 33. J Szmetan vs Quinteros |
| ½-½ | 40 |
1978 |
Ch Argentina | B97 Sicilian, Najdorf |
| 34. C Garcia-Palermo vs J Szmetan |
| 0-1 | 39 |
1978 |
12, Buenos Aires Clarin ARG | A30 English, Symmetrical |
| 35. J Szmetan vs Gheorghiu |
| 0-1 | 49 |
1978 |
1, Buenos Aires Clarin ARG | B43 Sicilian, Kan, 5.Nc3 |
| 36. J Szmetan vs E Reinhardt |
| 1-0 | 31 |
1978 |
Buenos Aires op | A12 English with b3 |
| 37. Smyslov vs J Szmetan |
| 1-0 | 36 |
1978 |
ol, Buenos Aires 26/96 | A46 Queen's Pawn Game |
| 38. J Szmetan vs Qi Jingxuan |
| ½-½ | 45 |
1978 |
9, Buenos Aires Clarin ARG | C00 French Defense |
| 39. S Manzanares vs J Szmetan |
| 0-1 | 22 |
1978 |
Buenos Aires op | A00 Uncommon Opening |
| 40. Smyslov vs J Szmetan |
| 1-0 | 36 |
1978 |
6, Buenos Aires | A46 Queen's Pawn Game |
| 41. Panno vs J Szmetan |
| ½-½ | 50 |
1978 |
8, Buenos Aires Clarin ARG | E63 King's Indian, Fianchetto, Panno Variation |
| 42. Najdorf vs J Szmetan |
| ½-½ | 51 |
1978 |
Buenos Aires ClA | E94 King's Indian, Orthodox |
| 43. J Szmetan vs M J Tempone |
| 1-0 | 37 |
1978 |
Buenos Aires op | A13 English |
| 44. J Szmetan vs E Torre |
| 1-0 | 41 |
1978 |
Buenos Aires (Argentina) | B09 Pirc, Austrian Attack |
| 45. Vaganian vs J Szmetan |
| 1-0 | 53 |
1978 |
Buenos Aires | A04 Reti Opening |
| 46. J A Gutierrez vs J Szmetan |
| 0-1 | 42 |
1978 |
Bogota | B99 Sicilian, Najdorf, 7...Be7 Main line |
| 47. J Szmetan vs L Scalise |
| 1-0 | 39 |
1978 |
Buenos Aires op | B01 Scandinavian |
| 48. F Braga vs J Szmetan |
| 1-0 | 75 |
1978 |
10s, Buenos Aires op [Hiarcs 7.32 | C45 Scotch Game |
| 49. Velimirovic vs J Szmetan |
| 0-1 | 27 |
1978 |
Buenos Aires ol (Men) | C80 Ruy Lopez, Open |
| 50. J Szmetan vs Browne |
| 0-1 | 40 |
1978 |
7, Buenos Aires Clarin ARG | A04 Reti Opening |