| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 51. E Arruda da Gama vs A Mascarenhas |
| 0-1 | 30 | 1991 | Rio de Janeiro FEXERJ Open | A43 Old Benoni |
| 52. A Mascarenhas vs J Sunye Neto |
| 0-1 | 27 | 1991 | Rio de Janeiro FEXERJ Open | B43 Sicilian, Kan, 5.Nc3 |
| 53. A Mascarenhas vs R Teixeira |
| ½-½ | 13 | 1991 | Rio de Janeiro FEXERJ Open | A16 English |
| 54. C Cleto vs A Mascarenhas |
| 0-1 | 66 | 1991 | Rio de Janeiro FEXERJ Open | A00 Uncommon Opening |
| 55. A Mascarenhas vs C R Rosa |
| 0-1 | 29 | 1991 | Rio de Janeiro FEXERJ Open | D85 Grunfeld |
| 56. N Villaboim Lima vs A Mascarenhas |
| 0-1 | 16 | 1991 | Rio de Janeiro FEXERJ Open | A00 Uncommon Opening |
| 57. A Mascarenhas vs M Bortoloso |
| ½-½ | 17 | 1991 | Rio de Janeiro FEXERJ Open | B12 Caro-Kann Defense |
| 58. L E Wexell Machado vs A Mascarenhas |
| ½-½ | 28 | 1991 | Rio de Janeiro FEXERJ Open | B22 Sicilian, Alapin |
| 59. A Mascarenhas vs J J De Carvalho |
| 1-0 | 45 | 1991 | Rio de Janeiro FEXERJ Open | D30 Queen's Gambit Declined |
| 60. A Mascarenhas vs D Lima |
| 1-0 | 39 | 1991 | Rio de Janeiro schev | C55 Two Knights Defense |
| 61. D Lima vs A Mascarenhas |
| 1-0 | 53 | 1991 | Rio de Janeiro schev | A87 Dutch, Leningrad, Main Variation |
| 62. A Mascarenhas vs J Hebert |
| 0-1 | 32 | 1997 | EM/M/GT/A004 | E42 Nimzo-Indian, 4.e3 c5, 5.Ne2 (Rubinstein) |
| 63. A Mascarenhas vs H Neto |
| 1-0 | 44 | 1997 | EM/M/GT/A004 | A73 Benoni, Classical, 9.O-O |
| 64. J L Rodriguez vs A Mascarenhas |
| ½-½ | 51 | 1999 | WC23/EWC01-SF08 | E32 Nimzo-Indian, Classical |
| 65. A Mascarenhas vs C A Blanco Gramajo |
| 1-0 | 35 | 1999 | WC23/EWC01-SF08 | E97 King's Indian |
| 66. A Mascarenhas vs G Lambers |
| 1-0 | 24 | 1999 | WC23/EWC01-SF08 | E17 Queen's Indian |
| 67. A Mascarenhas vs Z Timar |
| ½-½ | 24 | 1999 | WC23/EWC01-SF08 | D56 Queen's Gambit Declined |
| 68. H F Glaser vs A Mascarenhas |
| 1-0 | 39 | 1999 | WC23/EWC01-SF08 | B81 Sicilian, Scheveningen, Keres Attack |
| 69. H Bross vs A Mascarenhas |
| ½-½ | 26 | 1999 | WC23/EWC01-SF08 | E32 Nimzo-Indian, Classical |
| 70. V Aleshnya vs A Mascarenhas |
| 1-0 | 35 | 1999 | WC23/EWC01-SF08 | A07 King's Indian Attack |
| 71. A Mascarenhas vs D Blair |
| ½-½ | 25 | 1999 | WC23/EWC01-SF08 | A36 English |
| 72. Y Dothan vs A Mascarenhas |
| ½-½ | 23 | 1999 | WC23/EWC01-SF08 | B80 Sicilian, Scheveningen |
| 73. A Mascarenhas vs H Onoda |
| ½-½ | 27 | 1999 | WC23/EWC01-SF08 | A16 English |
| 74. P Fucs vs A Mascarenhas |
 | 0-1 | 48 | 2000 | Steinitz Mem | A14 English |
| 75. J Mrkvicka vs A Mascarenhas |
| 1-0 | 21 | 2001 | ICCF 50th Anniversat Jubilee | A57 Benko Gambit |
Kibitzing
