| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 51. A Feuerstein vs G Kramer |
| ½-½ | 37 | 1957 | United States Championship 1957/58 | A07 King's Indian Attack |
| 52. A Feuerstein vs F Thorbergsson |
| 1-0 | 37 | 1958 | WchT U26 prel-B 05th | A16 English |
| 53. A Feuerstein vs T Silici |
| 1-0 | 40 | 1958 | WchT U26 prel-B 05th | A08 King's Indian Attack |
| 54. L Popov vs A Feuerstein |
| 0-1 | 41 | 1958 | WchT U26 prel-B 05th | B21 Sicilian, 2.f4 and 2.d4 |
| 55. A Feuerstein vs Gipslis |
| 0-1 | 53 | 1958 | World U26 Championship | A02 Bird's Opening |
| 56. E Mednis vs A Feuerstein |
| ½-½ | 40 | 1958 | United States Championship 1957/58 | A15 English |
| 57. A Feuerstein vs Lombardy |
| ½-½ | 32 | 1958 | United States Championship 1957/58 | A15 English |
| 58. A Di Camillo vs A Feuerstein |
| ½-½ | 36 | 1958 | United States Championship 1957/58 | A49 King's Indian, Fianchetto without c4 |
| 59. A Feuerstein vs Denker |
 | 1-0 | 45 | 1958 | United States Championship 1957/58 | E46 Nimzo-Indian |
| 60. A Feuerstein vs H Juettler |
| 1-0 | 44 | 1958 | WchT U26 fin-A 05th | E91 King's Indian |
| 61. A Feuerstein vs E Haag |
| ½-½ | 31 | 1958 | WchT U26 fin-A 05th | A08 King's Indian Attack |
| 62. A Feuerstein vs J Emma |
| 1-0 | 40 | 1958 | WchT U26 fin-A 05th | A07 King's Indian Attack |
| 63. M Vukcevich vs A Feuerstein |
| ½-½ | 62 | 1958 | WchT U26 fin-A 05th | B01 Scandinavian |
| 64. G Tringov vs A Feuerstein |
| 1-0 | 56 | 1958 | WchT U26 fin-A 05th | B00 Uncommon King's Pawn Opening |
| 65. R Grande vs A Feuerstein |
| 0-1 | 35 | 1960 | Thomas Emery Armed Forces Ch | B52 Sicilian, Canal-Sokolsky (Rossolimo) Attack |
| 66. A Feuerstein vs R H Steinmeyer |
| ½-½ | 60 | 1963 | Manhattan Chess Club Championship | A15 English |
| 67. A Feuerstein vs F Smrcka |
| 0-1 | 24 | 1965 | olm5 fin B2 corr6568 | E83 King's Indian, Samisch |
| 68. K E Engel vs A Feuerstein |
| 1-0 | 37 | 1965 | olm5 fin B2 corr6568 | A79 Benoni, Classical, 11.f3 |
| 69. A Feuerstein vs B Koch |
| ½-½ | 56 | 1965 | olm5 fin B2 corr6568 | A60 Benoni Defense |
| 70. A Feuerstein vs Olle Smith |
| 1-0 | 51 | 1965 | olm5 fin B2 corr6568 | E46 Nimzo-Indian |
| 71. C Hunter vs A Feuerstein |
| 1-0 | 28 | 1965 | olm5 fin B2 corr6568 | B42 Sicilian, Kan |
| 72. M Boysan vs A Feuerstein |
| ½-½ | 53 | 1965 | olm5 fin B2 corr6568 | B43 Sicilian, Kan, 5.Nc3 |
| 73. M Merado vs A Feuerstein |
| 1-0 | 31 | 1965 | Atlantic op | B07 Pirc |
| 74. A Feuerstein vs A Soltis |
| ½-½ | 41 | 1965 | Metropolitan Intercollegiate Team Ch | A89 Dutch, Leningrad, Main Variation with Nc6 |
| 75. A Feuerstein vs Simagin |
| ½-½ | 40 | 1966 | Correspondence World Team Championship Final | D92 Grunfeld, 5.Bf4 |
Kibitzing
