| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 76. A D Wang vs E Marchand |
 | 0-1 | 49 | 1959 | 60th US Open | A06 Reti Opening |
| 77. E Marchand vs C Brasket |
| 0-1 | 62 | 1959 | 60th US Open | A10 English |
| 78. J O'Keefe vs E Marchand |
| ½-½ | 36 | 1959 | 60th US Open | D30 Queen's Gambit Declined |
| 79. E Marchand vs M Harrow |
| 1-0 | 46 | 1960 | 61st US Open | A15 English |
| 80. L Levy vs E Marchand |
| 1-0 | 71 | 1960 | 61st US Open | B40 Sicilian |
| 81. E Marchand vs E Nash |
| 0-1 | 48 | 1960 | 61st US Open | A13 English |
| 82. E Marchand vs A Cantone |
| ½-½ | 44 | 1960 | 61st US Open | A13 English |
| 83. G Abram vs E Marchand |
 | 1-0 | 30 | 1960 | 61st US Open | B40 Sicilian |
| 84. W Slater vs E Marchand |
| 0-1 | 35 | 1962 | 63rd US Open | D02 Queen's Pawn Game |
| 85. E Marchand vs L Szedlacsek |
| 0-1 | 40 | 1962 | 63rd US Open | A15 English |
| 86. E Aronson vs E Marchand |
| 0-1 | 26 | 1962 | 63rd US Open | D31 Queen's Gambit Declined |
| 87. E Marchand vs L Gilden |
| 0-1 | 29 | 1962 | 63rd US Open | E91 King's Indian |
| 88. G W Berry vs E Marchand |
| 0-1 | 32 | 1962 | 63rd US Open | B47 Sicilian, Taimanov (Bastrikov) Variation |
| 89. E Marchand vs S Lyman |
| ½-½ | 41 | 1962 | 63rd US Open | A15 English |
| 90. S Rubin vs E Marchand |
| 0-1 | 53 | 1962 | 63rd US Open | B44 Sicilian |
| 91. E Marchand vs C T Morgan |
| 0-1 | 43 | 1962 | 63rd US Open | A21 English |
| 92. E Marchand vs J O'Keefe |
| 0-1 | 52 | 1962 | 63rd US Open | A15 English |
| 93. K Zangerle vs E Marchand |
| ½-½ | 21 | 1962 | 63rd US Open | A08 King's Indian Attack |
| 94. T Mazuchowski vs E Marchand |
| 0-1 | 76 | 1963 | Buckeye Open | B47 Sicilian, Taimanov (Bastrikov) Variation |
| 95. R Oster vs E Marchand |
| 0-1 | 50 | 1964 | 65th US Open | D46 Queen's Gambit Declined Semi-Slav |
| 96. E Marchand vs J Sherwin |
| 0-1 | 44 | 1964 | 65th US Open | A55 Old Indian, Main line |
| 97. I Zalys vs E Marchand |
| 1-0 | 44 | 1964 | 65th US Open | D18 Queen's Gambit Declined Slav, Dutch |
| 98. P Tautvaisas vs E Marchand |
| 1-0 | 25 | 1965 | Illinois open | B46 Sicilian, Taimanov Variation |
| 99. E Marchand vs W Butler |
| ½-½ | 39 | 1965 | Illinois op | A42 Modern Defense, Averbakh System |
| 100. E Marchand vs D Rivera |
| 1-0 | 50 | 1965 | 66th US Open | E10 Queen's Pawn Game |
Kibitzing
