| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. H Suradiradja vs S Gross |
| 1-0 | 52 | 1976 | Decin-B | B06 Robatsch |
| 27. I Jankovec vs H Suradiradja |
| 1-0 | 43 | 1976 | Decin-B | A73 Benoni, Classical, 9.O-O |
| 28. H Suradiradja vs V Sejkora |
| 0-1 | 35 | 1976 | Decin-B | B07 Pirc |
| 29. F Pithart vs H Suradiradja |
| 0-1 | 38 | 1976 | Decin-B | A15 English |
| 30. H Suradiradja vs E Meduna |
| 0-1 | 55 | 1976 | Decin-B | B08 Pirc, Classical |
| 31. Z Radojevic vs H Suradiradja |
| 1-0 | 51 | 1976 | Decin-B | B88 Sicilian, Fischer-Sozin Attack |
| 32. H Suradiradja vs M Ghinda |
| 0-1 | 40 | 1976 | Decin-B | B03 Alekhine's Defense |
| 33. U Boensch vs H Suradiradja |
| 1-0 | 40 | 1976 | Decin-B | A15 English |
| 34. H Suradiradja vs Z Mikadze |
| 0-1 | 44 | 1976 | Decin-B | C05 French, Tarrasch |
| 35. E Gonsior vs H Suradiradja |
| 1-0 | 31 | 1976 | Decin-B | B08 Pirc, Classical |
| 36. Jansa vs H Suradiradja |
 | 1-0 | 36 | 1976 | Stip | B67 Sicilian, Richter-Rauzer Attack, 7...a6 Defense, 8...Bd7 |
| 37. H Suradiradja vs D Sahovic |
| 0-1 | 19 | 1976 | Stip | C04 French, Tarrasch, Guimard Main line |
| 38. D Ciric vs H Suradiradja |
| 1-0 | 32 | 1977 | Belgrade Napredak | B89 Sicilian |
| 39. Tseshkovsky vs H Suradiradja |
| 1-0 | 42 | 1977 | Albena | B45 Sicilian, Taimanov |
| 40. R J Sutton vs H Suradiradja |
| ½-½ | 40 | 1978 | 1st Burroughs Computers Grandmaster | B33 Sicilian |
| 41. H Suradiradja vs V Small |
| 1-0 | 33 | 1978 | 1st Burroughs Computers Grandmaster | B47 Sicilian, Taimanov (Bastrikov) Variation |
| 42. E M Green vs H Suradiradja |
| ½-½ | 26 | 1978 | 1st Burroughs Computers Grandmaster | E82 King's Indian, Samisch, double Fianchetto Variation |
| 43. H Suradiradja vs Chandler |
| 0-1 | 26 | 1978 | 1st Burroughs Computers Grandmaster | B00 Uncommon King's Pawn Opening |
| 44. Quinteros vs H Suradiradja |
| 1-0 | 19 | 1978 | 1st Burroughs Computers Grandmaster | E82 King's Indian, Samisch, double Fianchetto Variation |
| 45. H Suradiradja vs R Cardoso |
| 0-1 | 34 | 1978 | 1st Burroughs Computers Grandmaster | B27 Sicilian |
| 46. R Mascarinas vs H Suradiradja |
| 1-0 | 53 | 1978 | 1st Burroughs Computers Grandmaster | B33 Sicilian |
| 47. J Sampouw vs H Suradiradja |
| 0-1 | 50 | 1978 | 1st Burroughs Computers Grandmaster | E67 King's Indian, Fianchetto |
| 48. H Suradiradja vs K Shirazi |
| 0-1 | 33 | 1978 | 1st Burroughs Computers Grandmaster | B16 Caro-Kann, Bronstein-Larsen Variation |
| 49. E Torre vs H Suradiradja |
| 1-0 | 28 | 1978 | 1st Burroughs Computers Grandmaster | B33 Sicilian |
| 50. M Sharif vs H Suradiradja |
| 0-1 | 44 | 1978 | 1st Burroughs Computers Grandmaster | B33 Sicilian |
Kibitzing
