Las Vegas op
Las Vegas 1991
| Date | Players | Type | Elo Average | Games | Rounds |
| 1991 | 13 | Swiss | 1704 | 11 | 6 |
| Name | ELO | Points | ||
 |
GM Zapata, Alonso | 2530 | 5.0 | |
|
Hoyos Millan, Luis Bernardo | 2.5 | ||
|
GM Browne, Walter S | 2520 | 2.0 | |
|
FM Larsen, Kenneth | 2340 | 1.0 | |
|
IM Ginsburg, Mark | 2410 | 0.5 | |
|
GM Rohde, Michael A | 2550 | 0.0 | |
 |
GM Torre, Eugenio | 2535 | 0.0 | |
|
GM Kudrin, Sergey | 2510 | 0.0 | |
| Balinas, Rosendo Carrean | 2380 | 0.0 | ||
|
FM Rowley, Robert | 2375 | 0.0 | |
| Gotterman, | 0.0 | |||
| Moore, | 0.0 | |||
|
FM Feinstein, Michael | 0.0 | ||
Las Vegas op Games
| White | Black | Result | Round | Date | Opening | View |
| Browne, W | Torre, E | 1-0  |
? | 1991 | B08 Pirc, classical (two knights) system |   |
| Gotterman, | Zapata, A | 0-1 |
? | 1991 | E61 King's Indian defence, 3.Nc3 |   |
| Hoyos Millan, L | Balinas, R | 1-0 |
? | 1991 | B93 Sicilian, Najdorf, 6.f4 | |
| Hoyos Millan, L | Ginsburg, M | ½-½ |
? | 1991 | B48 Sicilian, Taimanov variation | |
| Kudrin, S | Zapata, A | 0-1 |
? | 1991 | B42 Sicilian, Kan, 5.Bd3 | |
| Larsen, K | Hoyos Millan, L | 1-0 |
? | 1991 | E69 King's Indian, fianchetto, classical main line | |
| Moore, | Zapata, A | 0-1 |
? | 1991 | B21 Sicilian, Grand Prix attack | |
| Rowley, R | Hoyos Millan, L | 0-1 |
? | 1991 | B81 Sicilian, Scheveningen, Keres attack | |
| Zapata, A | Browne, W | 0-1 |
? | 1991 | B87 Sicilian, Sozin with ...a6 and ...b5 | |
| Zapata, A | Feinstein, M | 1-0 |
? | 1991 | B70 Sicilian, dragon variation | |
| Zapata, A | Rohde, M | 1-0 |
? | 1991 | C03 French, Tarrasch | |