| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. S Puc vs Pirc |
| 0-1 | 41 | 1957 | Yugoslav Championship | A23 English, Bremen System, Keres Variation |
| 27. Panno vs Keres |
 | 0-1 | 37 | 1957 | Mar del Plata | A23 English, Bremen System, Keres Variation |
| 28. R W Stevenson vs L Rosselson |
| 0-1 | 43 | 1957 | Stevenson Memorial | A23 English, Bremen System, Keres Variation |
| 29. G Szilagyi vs N Karaklajic |
| ½-½ | 38 | 1957 | Sofia Zonal | A23 English, Bremen System, Keres Variation |
| 30. Geller vs V Zurakhov |
| 1-0 | 61 | 1957 | Ukrainian Championship | A23 English, Bremen System, Keres Variation |
| 31. A Korelov vs V Byvshev |
| 1-0 | 47 | 1957 | Leningrad Championship | A23 English, Bremen System, Keres Variation |
| 32. Ivkov vs Keres |
| ½-½ | 18 | 1957 | Soviet Union - Yugoslavia | A23 English, Bremen System, Keres Variation |
| 33. A Esposito vs H Rossetto |
| 0-1 | 39 | 1957 | Rio de Janeiro Zonal | A23 English, Bremen System, Keres Variation |
| 34. Z Doda vs K Plater |
| ½-½ | 23 | 1957 | Przepiorka Memorial | A23 English, Bremen System, Keres Variation |
| 35. T Makelainen vs V Selimanov |
| 0-1 | 51 | 1957 | World Junior Championship | A23 English, Bremen System, Keres Variation |
| 36. F Olafsson vs Ivkov |
| 1-0 | 42 | 1957 | Wageningen Zonal | A23 English, Bremen System, Keres Variation |
| 37. B Gurgenidze vs D Pantaleev |
| 1-0 | 71 | 1958 | Sofia | A23 English, Bremen System, Keres Variation |
| 38. A Saidy vs N Padevsky |
| 1-0 | 70 | 1958 | WchT U26 prel-B 05th | A23 English, Bremen System, Keres Variation |
| 39. I Zilber vs Keres |
| ½-½ | 42 | 1958 | 5th Soviet Team Championship Final | A23 English, Bremen System, Keres Variation |
| 40. Bobotsov vs B Andersen |
 | ½-½ | 115 | 1958 | Munich Olympiad qual-1 | A23 English, Bremen System, Keres Variation |
| 41. F Norcia vs Keres |
| 0-1 | 51 | 1958 | Munich Olympiad qual-1 | A23 English, Bremen System, Keres Variation |
| 42. H Catozzi vs J Enevoldsen |
| ½-½ | 33 | 1958 | Munich Olympiad Final-B | A23 English, Bremen System, Keres Variation |
| 43. M Vasiljevic vs V Kozomara |
| 1-0 | 31 | 1958 | Yugoslav Semifinal Center | A23 English, Bremen System, Keres Variation |
| 44. D Byrne vs J Sherwin |
| 0-1 | 37 | 1958 | United States Championship 1958/59 | A23 English, Bremen System, Keres Variation |
| 45. R H Steinmeyer vs W R Trinks |
| 1-0 | 47 | 1959 | Correspondence Match | A23 English, Bremen System, Keres Variation |
| 46. I Iliev vs D Pantaleev |
| 1-0 | 65 | 1959 | Bulgarian Championship | A23 English, Bremen System, Keres Variation |
| 47. V Popov vs D Pantaleev |
| 1-0 | 31 | 1959 | Bulgarian Championship | A23 English, Bremen System, Keres Variation |
| 48. A Bannik vs V Zurakhov |
| ½-½ | 60 | 1959 | Ukrainian Championship | A23 English, Bremen System, Keres Variation |
| 49. Portisch vs F Olafsson |
| ½-½ | 28 | 1959 | Alekhine Memorial | A23 English, Bremen System, Keres Variation |
| 50. O Neikirch vs T Florian |
| 1-0 | 68 | 1959 | Asztalos Memorial | A23 English, Bremen System, Keres Variation |
Kibitzing
