| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. J H Donner vs H Bouwmeester |
| 1-0 | 51 | 1957 | Dutch Championship | A99 Dutch, Ilyin-Genevsky Variation with b3 |
| 27. H Bouwmeester vs E Bhend |
| 1-0 | 41 | 1957 | Clare Benedict Cup | A99 Dutch, Ilyin-Genevsky Variation with b3 |
| 28. A Sokolsky vs K Zvorykina |
| 1-0 | 26 | 1957 | URS-ch qf | A99 Dutch, Ilyin-Genevsky Variation with b3 |
| 29. D Drimer vs G J Martin |
| 1-0 | 36 | 1957 | World Student Team Championship | A99 Dutch, Ilyin-Genevsky Variation with b3 |
| 30. E Reinhardt vs J Pelikan |
| 1-0 | 76 | 1958 | Mar del Plata | A99 Dutch, Ilyin-Genevsky Variation with b3 |
| 31. V Sokolov vs J Karanjac |
| 1-0 | 38 | 1958 | Yugoslav Semifinal Center | A99 Dutch, Ilyin-Genevsky Variation with b3 |
| 32. K Darga vs M Radojcic |
| 1-0 | 26 | 1959 | Hastings 1958/59 | A99 Dutch, Ilyin-Genevsky Variation with b3 |
| 33. A Gudmundsson vs S Holm |
| 1-0 | 42 | 1960 | Leipzig Olympiad qual-3 | A99 Dutch, Ilyin-Genevsky Variation with b3 |
| 34. G Mititelu vs C Radovici |
| 1-0 | 43 | 1961 | Romanian Championship | A99 Dutch, Ilyin-Genevsky Variation with b3 |
| 35. F Olafsson vs B Milic |
| 1-0 | 42 | 1961 | Marianske Lazne Zonal | A99 Dutch, Ilyin-Genevsky Variation with b3 |
| 36. Golombek vs F Parr |
 | 1-0 | 30 | 1962 | County match | A99 Dutch, Ilyin-Genevsky Variation with b3 |
| 37. V Mikenas vs J Rotstein |
| 1-0 | 45 | 1962 | URS-ch sf Riga | A99 Dutch, Ilyin-Genevsky Variation with b3 |
| 38. A Esposito vs R Sanguineti |
| 1-0 | 32 | 1963 | Buenos Aires YMCA | A99 Dutch, Ilyin-Genevsky Variation with b3 |
| 39. J Klavins vs G Kuzmicevs |
| 1-0 | 40 | 1963 | Latvian Championship | A99 Dutch, Ilyin-Genevsky Variation with b3 |
| 40. R Garcia vs V Palermo |
| 1-0 | 46 | 1964 | Argentine Championship | A99 Dutch, Ilyin-Genevsky Variation with b3 |
| 41. J H Donner vs Larsen |
| 1-0 | 49 | 1964 | Hoogovens | A99 Dutch, Ilyin-Genevsky Variation with b3 |
| 42. T van Scheltinga vs J Enevoldsen |
| 1-0 | 49 | 1964 | Amsterdam IBM | A99 Dutch, Ilyin-Genevsky Variation with b3 |
| 43. Gligoric vs J Sofrevski |
| 1-0 | 32 | 1965 | Yugoslav Championship 1966 | A99 Dutch, Ilyin-Genevsky Variation with b3 |
| 44. R Garcia vs H Miranda Souza |
| 1-0 | 77 | 1966 | Buenos Aires / Rio Hondo Zonal | A99 Dutch, Ilyin-Genevsky Variation with b3 |
| 45. J Trapl vs J Lechtynsky |
| 1-0 | 41 | 1967 | Czechoslovak Championship | A99 Dutch, Ilyin-Genevsky Variation with b3 |
| 46. H Chalupova vs B Borisova |
| 1-0 | 61 | 1967 | Sofia (Women) | A99 Dutch, Ilyin-Genevsky Variation with b3 |
| 47. J Kozma vs J Lechtynsky |
| 1-0 | 54 | 1968 | Czechoslovak Championship | A99 Dutch, Ilyin-Genevsky Variation with b3 |
| 48. A Saidy vs T Weinberger |
| 1-0 | 63 | 1968 | United States Championship | A99 Dutch, Ilyin-Genevsky Variation with b3 |
| 49. Gligoric vs R Maric |
| 1-0 | 31 | 1968 | Solidarity Tournament | A99 Dutch, Ilyin-Genevsky Variation with b3 |
| 50. P Brandts vs E Sweetman |
| 1-0 | 25 | 1968 | 69th US Open | A99 Dutch, Ilyin-Genevsky Variation with b3 |
Kibitzing
