| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 26. M Sisniega vs Alburt |
| ½-½ | 47 |
1985 |
Izt | B04 Alekhine's Defense, Modern |
| 27. M Sisniega vs Pinter |
| 0-1 | 55 |
1985 |
Taxco | A34 English, Symmetrical |
| 28. Timman vs M Sisniega |
| 1-0 | 41 |
1985 |
Taxco (izt) 39/333 | B97 Sicilian, Najdorf |
| 29. M Sisniega vs Chiburdanidze |
| ½-½ | 59 |
1985 |
Havana-A | A07 King's Indian Attack |
| 30. Tal vs M Sisniega |
 | 1-0 | 26 |
1985 |
Taxco izt | B63 Sicilian, Richter-Rauzer Attack |
| 31. Romanishin vs M Sisniega |
| ½-½ | 22 |
1985 |
Taxco izt | B23 Sicilian, Closed |
| 32. Anand vs M Sisniega |
| 0-1 | 33 |
1987 |
Philadelphia | C11 French |
| 33. M Sisniega vs Illescas-Cordoba |
| 0-1 | 26 |
1987 |
Santa | A34 English, Symmetrical |
| 34. Sherzer vs M Sisniega |
| 1-0 | 45 |
1987 |
Philadelphia | C05 French, Tarrasch |
| 35. I Morovic vs M Sisniega |
| 1-0 | 39 |
1987 |
Santa | B33 Sicilian |
| 36. Judit Polgar vs M Sisniega |
| 1-0 | 27 |
1988 |
Mazatlan activ-chess | B89 Sicilian |
| 37. M Sisniega vs Illescas-Cordoba |
| 1-0 | 29 |
1988 |
Greece | B46 Sicilian, Taimanov Variation |
| 38. Korchnoi vs M Sisniega |
| ½-½ | 50 |
1988 |
Thessaloniki olm 46/566 | D46 Queen's Gambit Declined Semi-Slav |
| 39. Van der Wiel vs M Sisniega |
| 1-0 | 39 |
1988 |
Thessaloniki (ol) 46/404 | C43 Petrov, Modern Attack |
| 40. M Sisniega vs Spassky |
| ½-½ | 16 |
1988 |
Thessaloniki | E11 Bogo-Indian Defense |
| 41. I Morovic vs M Sisniega |
| ½-½ | 45 |
1988 |
It New York (USA) | E15 Queen's Indian |
| 42. Velimirovic vs M Sisniega |
| 0-1 | 20 |
1990 |
Novi Sad ol (Men) | C42 Petrov Defense |
| 43. M Sisniega vs Granda-Zuniga |
| ½-½ | 61 |
1990 |
Novi Sad olm MEX-PER 90\06 | C08 French, Tarrasch, Open, 4.ed ed |
| 44. Illescas-Cordoba vs M Sisniega |
| ½-½ | 21 |
1990 |
Novi Sad ol | A21 English |
| 45. M Sisniega vs G Milos |
| 0-1 | 46 |
1991 |
Itau, SW 91-49 | C89 Ruy Lopez, Marshall |
| 46. M Sisniega vs G Milos |
| ½-½ | 39 |
1991 |
Cup Latin | C80 Ruy Lopez, Open |
| 47. M Sisniega vs Fedorowicz |
| ½-½ | 14 |
1991 |
Mexico City (06) | C84 Ruy Lopez, Closed |
| 48. F Fiorito vs M Sisniega |
| 0-1 | 36 |
1991 |
Bogota | C44 King's Pawn Game |
| 49. M Sisniega vs Browne |
| ½-½ | 55 |
1992 |
Linares (South America) | E67 King's Indian, Fianchetto |
| 50. G Milos vs M Sisniega |
| 1-0 | 40 |
1992 |
Sevilla (Spain) | C91 Ruy Lopez, Closed |
