Game |
| Result | Moves |
Year | Event/Locale | Opening |
1. S Macagno vs M Abarca Aguirre |
| 0-1 | 34 | 1982 | Pan American-ch U20 | B68 Sicilian, Richter-Rauzer Attack, 7...a6 Defense, 9...Be7 |
2. M Abarca Aguirre vs S H Trindade |
| 0-1 | 56 | 1982 | Pan American-ch U20 | A43 Old Benoni |
3. R Diaz Quejada vs M Abarca Aguirre |
| 0-1 | 57 | 1982 | Pan American-ch U20 | B56 Sicilian |
4. M Abarca Aguirre vs B Moran Nuque |
| 1-0 | 23 | 1982 | Pan American-ch U20 | E12 Queen's Indian |
5. M Abarca Aguirre vs Granda Zuniga |
 | 0-1 | 21 | 1982 | Pan American-ch U20 | D47 Queen's Gambit Declined Semi-Slav |
6. M Abarca Aguirre vs E Almada |
| 1-0 | 31 | 1982 | Pan American-ch U20 | D07 Queen's Gambit Declined, Chigorin Defense |
7. M Abarca Aguirre vs C Barry |
| 1-0 | 55 | 1982 | Lucerne Olympiad | D55 Queen's Gambit Declined |
8. V Inkiov vs M Abarca Aguirre |
| ½-½ | 36 | 1982 | Lucerne Olympiad | D34 Queen's Gambit Declined, Tarrasch |
9. M Abarca Aguirre vs T Wedberg |
| ½-½ | 58 | 1982 | Lucerne Olympiad | A70 Benoni, Classical with 7.Nf3 |
10. S Swanson vs M Abarca Aguirre |
| 1-0 | 45 | 1982 | Lucerne Olympiad | B53 Sicilian |
11. M Abarca Aguirre vs Adianto |
| ½-½ | 48 | 1983 | World Junior Championship | D37 Queen's Gambit Declined |
12. Bareev vs M Abarca Aguirre |
| ½-½ | 105 | 1983 | World Junior Championship | D34 Queen's Gambit Declined, Tarrasch |
13. M Abarca Aguirre vs M Diallo |
| 1-0 | 42 | 1983 | World Junior Championship | E87 King's Indian, Samisch, Orthodox |
14. M Abarca Aguirre vs M Franic |
| 1-0 | 67 | 1983 | World Junior Championship | A70 Benoni, Classical with 7.Nf3 |
15. Salov vs M Abarca Aguirre |
| 1-0 | 41 | 1983 | World Junior Championship | D32 Queen's Gambit Declined, Tarrasch |
16. M Abarca Aguirre vs Granda Zuniga |
| 1-0 | 33 | 1983 | World Junior Championship | A53 Old Indian |
17. J Hector vs M Abarca Aguirre |
| 0-1 | 58 | 1983 | World Junior Championship | C00 French Defense |
18. M Abarca Aguirre vs C Landenbergue |
| ½-½ | 18 | 1983 | World Junior Championship | A70 Benoni, Classical with 7.Nf3 |
19. M Abarca Aguirre vs T Darcyl |
| 1-0 | 46 | 1983 | World Junior Championship | A44 Old Benoni Defense |
20. N Doghri vs M Abarca Aguirre |
| 1-0 | 45 | 1983 | World Junior Championship | C09 French, Tarrasch, Open Variation, Main line |
21. D Barbulescu vs M Abarca Aguirre |
| 1-0 | 26 | 1983 | World Junior Championship | A07 King's Indian Attack |
22. M Abarca Aguirre vs J R Kennedy |
| 1-0 | 33 | 1983 | World Junior Championship | D83 Grunfeld, Grunfeld Gambit |
23. A Greenfeld vs M Abarca Aguirre |
| 1-0 | 52 | 1983 | World Junior Championship | D34 Queen's Gambit Declined, Tarrasch |
24. M Abarca Aguirre vs L Rueda |
| 1-0 | 44 | 1984 | World Junior Championship | A60 Benoni Defense |
25. M Abarca Aguirre vs S Saeed |
| ½-½ | 43 | 1984 | World Junior Championship | D45 Queen's Gambit Declined Semi-Slav |