| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. L Monnard vs I Bonfa |
| ½-½ | 11 | 1980 | Venice | D90 Grunfeld |
| 27. I Bonfa vs N Kelecevic |
| 0-1 | 27 | 1980 | Venice | C80 Ruy Lopez, Open |
| 28. I Bonfa vs A Rosino |
| ½-½ | 52 | 1980 | Venice | C80 Ruy Lopez, Open |
| 29. F Trabattoni vs I Bonfa |
| ½-½ | 27 | 1980 | Venice | B70 Sicilian, Dragon Variation |
| 30. I Bonfa vs S de Eccher |
| ½-½ | 13 | 1980 | Venice | C71 Ruy Lopez |
| 31. I Nemet vs I Bonfa |
| 1-0 | 23 | 1980 | Venice | D85 Grunfeld |
| 32. I Bonfa vs S Witkowski |
| ½-½ | 12 | 1980 | Venice | A06 Reti Opening |
| 33. I Bonfa vs F Trabattoni |
| 1-0 | 28 | 1981 | Italian Championship 1980 | A18 English, Mikenas-Carls |
| 34. I Bonfa vs M Sibilio |
| ½-½ | 8 | 1981 | Italian Championship 1980 | B32 Sicilian |
| 35. E Iannacone vs I Bonfa |
| ½-½ | 29 | 1981 | Italian Championship 1980 | E63 King's Indian, Fianchetto, Panno Variation |
| 36. G Vallifuoco vs I Bonfa |
| 1-0 | 27 | 1981 | Italian Championship 1980 | A16 English |
| 37. I Bonfa vs I Ceschia |
| 0-1 | 40 | 1981 | Italian Championship 1980 | B96 Sicilian, Najdorf |
| 38. P Passerotti vs I Bonfa |
| ½-½ | 32 | 1981 | Italian Championship 1980 | B77 Sicilian, Dragon, Yugoslav Attack |
| 39. I Bonfa vs G Sanna |
| 0-1 | 27 | 1981 | Italian Championship 1980 | B08 Pirc, Classical |
| 40. F Rupeni vs I Bonfa |
| ½-½ | 40 | 1981 | Italian Championship 1980 | B06 Robatsch |
| 41. R Ianniello vs I Bonfa |
| 1-0 | 40 | 1981 | Italian Championship 1980 | B27 Sicilian |
| 42. I Bonfa vs S Sartori |
| ½-½ | 15 | 1981 | Italian Championship 1980 | D91 Grunfeld, 5.Bg5 |
| 43. E Arlandi vs I Bonfa |
| 1-0 | 35 | 1981 | Italian Championship 1980 | D85 Grunfeld |
Kibitzing
