| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. P Bates vs B Rabinowitz |
 | ½-½ | 24 | 1957 | World Junior Championship | E42 Nimzo-Indian, 4.e3 c5, 5.Ne2 (Rubinstein) |
| 27. Sliwa vs Kholmov |
| ½-½ | 30 | 1957 | Przepiorka Memorial | E42 Nimzo-Indian, 4.e3 c5, 5.Ne2 (Rubinstein) |
| 28. J Jezek vs L Rellstab |
| ½-½ | 68 | 1957 | EUR-chT (Men) 1st | E42 Nimzo-Indian, 4.e3 c5, 5.Ne2 (Rubinstein) |
| 29. Uhlmann vs Niephaus |
| ½-½ | 41 | 1957 | Wageningen Zonal | E42 Nimzo-Indian, 4.e3 c5, 5.Ne2 (Rubinstein) |
| 30. Polugaevsky vs Y Estrin |
| ½-½ | 18 | 1958 | URS-ch sf Baku | E42 Nimzo-Indian, 4.e3 c5, 5.Ne2 (Rubinstein) |
| 31. M Osher vs H Kleeger |
| ½-½ | 30 | 1958 | Marshall CC-ch 1957/58 | E42 Nimzo-Indian, 4.e3 c5, 5.Ne2 (Rubinstein) |
| 32. D Bertholdt vs A Kolarov |
| ½-½ | 19 | 1958 | WchT U26 fin-A 05th | E42 Nimzo-Indian, 4.e3 c5, 5.Ne2 (Rubinstein) |
| 33. Averbakh vs Panno |
| ½-½ | 17 | 1958 | Portoroz Interzonal | E42 Nimzo-Indian, 4.e3 c5, 5.Ne2 (Rubinstein) |
| 34. P H Clarke vs D Bertholdt |
| ½-½ | 32 | 1958 | Munich Olympiad qual-3 | E42 Nimzo-Indian, 4.e3 c5, 5.Ne2 (Rubinstein) |
| 35. P Viner vs O Sarapu |
| ½-½ | 39 | 1958 | Australian Championship 1958/59 | E42 Nimzo-Indian, 4.e3 c5, 5.Ne2 (Rubinstein) |
| 36. K Muchnik vs Y Estrin |
| ½-½ | 24 | 1959 | Moscow Central Chess Club Championship | E42 Nimzo-Indian, 4.e3 c5, 5.Ne2 (Rubinstein) |
| 37. N Krogius vs Lutikov |
| ½-½ | 44 | 1959 | Russian Championship | E42 Nimzo-Indian, 4.e3 c5, 5.Ne2 (Rubinstein) |
| 38. S Hamann vs F Kuijpers |
| ½-½ | 40 | 1959 | World Junior Championship Final-A | E42 Nimzo-Indian, 4.e3 c5, 5.Ne2 (Rubinstein) |
| 39. K Burger vs Golombek |
| ½-½ | 43 | 1960 | Hastings 1959/60 | E42 Nimzo-Indian, 4.e3 c5, 5.Ne2 (Rubinstein) |
| 40. K Piskov vs A Kolarov |
| ½-½ | 45 | 1960 | Bulgarian Championship | E42 Nimzo-Indian, 4.e3 c5, 5.Ne2 (Rubinstein) |
| 41. B Wexler vs Spassky |
| ½-½ | 20 | 1960 | Mar del Plata | E42 Nimzo-Indian, 4.e3 c5, 5.Ne2 (Rubinstein) |
| 42. W Golz vs A Matanovic |
| ½-½ | 51 | 1960 | Budapest Zonal | E42 Nimzo-Indian, 4.e3 c5, 5.Ne2 (Rubinstein) |
| 43. N Krogius vs A Roizman |
| ½-½ | 12 | 1960 | 7th Soviet Team Championship | E42 Nimzo-Indian, 4.e3 c5, 5.Ne2 (Rubinstein) |
| 44. S Holm vs K Kaliwoda |
| ½-½ | 42 | 1960 | Leipzig Olympiad Final-B | E42 Nimzo-Indian, 4.e3 c5, 5.Ne2 (Rubinstein) |
| 45. P Struner vs L Rellstab |
| ½-½ | 58 | 1961 | Graz | E42 Nimzo-Indian, 4.e3 c5, 5.Ne2 (Rubinstein) |
| 46. F Henneberke vs L Rellstab |
| ½-½ | 27 | 1961 | Zevenaar | E42 Nimzo-Indian, 4.e3 c5, 5.Ne2 (Rubinstein) |
| 47. R G Wade vs A Matanovic |
| ½-½ | 12 | 1961 | Zevenaar | E42 Nimzo-Indian, 4.e3 c5, 5.Ne2 (Rubinstein) |
| 48. Polugaevsky vs Kholmov |
| ½-½ | 42 | 1961 | USSR Championship 1961b | E42 Nimzo-Indian, 4.e3 c5, 5.Ne2 (Rubinstein) |
| 49. G Mititelu vs C Radovici |
| ½-½ | 31 | 1961 | Bucharest GMT | E42 Nimzo-Indian, 4.e3 c5, 5.Ne2 (Rubinstein) |
| 50. D Byrne vs A Turner |
| ½-½ | 19 | 1961 | US Championship 1961/62 | E42 Nimzo-Indian, 4.e3 c5, 5.Ne2 (Rubinstein) |
Kibitzing
