Villagrana, Gustavo
Current rating: 1622
Record: 14-8-1
| Grand Prix Mexico City 2015 (FRF limited) | starting rating: 1499 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 72 | Jimenez Larry, Daniel (1500) | Won 2-0 | +181517 |
| 2sealed | 30 | Dominguez, Ruy (1584) | Won 2-0 | +191536 |
| 3sealed | 15 | Majlaton, Alex (1776) | Won 2-0 | +221558 |
| 4sealed | 47 | Morales Vera, Luis Armado (1507) | Won 2-0 | +171575 |
| 5sealed | 15 | Hernandez, Daniel [MEX] (1578) | Lost 0-2 | -181557 |
| 6sealed | 51 | Franco, Rodrigo (1593) | Won 2-1 | +191576 |
| 7sealed | 21 | Botis, Juan Carlos (1553) | Lost 1-2 | -181558 |
| 8sealed | 43 | Garcia Rosas, Jose Daniel (1696) | Won 2-1 | +201578 |
| 9sealed | 42 | Monroy Diaz, Manuel (1607) | Won 2-1 | +191597 |
| 10draft | 4 | Aguilar, Fernando (1793) | Lost 0-2 | -151582 |
| 11draft | 31 | Figueroa, Lenin (1667) | Lost 0-2 | -161566 |
| 12draft | 21 | Franco, Rodrigo (1593) | Won 2-0 | +181584 |
| 13draft | 6 | De La Roca, Mario (1580) | Won 2-0 | +181602 |
| 14draft | 14 | Serrano, Alexis (1696) | Draw 1-1 | +21604 |
| 15draft | 18 | Martinez, Jose Raul (1611) | Won 2-0 | +181622 |
| average opponent: 1622record: 10-4-1 | new rating: 1622 | |||
| Grand Prix Mexico City 2014 (BNG limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 230 | Gosch Acosta, Francisco Fernando (1482) | Lost 0-2 | -181482 |
| 2sealed | 199 | Alba Rodriguez, Cuauht (1483) | Won 2-1 | +181500 |
| 3sealed | 213 | Sagahon Zaleta, Jessica Paulette (1466) | Won 2-1 | +171517 |
| 4sealed | 163 | Castillo, Cesar (1449) | Lost 0-2 | -191498 |
| 5sealed | 186 | Diaz, Hugo (1537) | Lost 0-2 | -171481 |
| 6sealed | 197 | Ramirez, Angel (1497) | Won 2-0 | +181499 |
| 7sealed | 164 | Montessoro, Jorge (1552) | Won 2-0 | +191518 |
| 8sealed | 143 | Cortes, Victor (1457) | Lost 1-2 | -191499 |
| average opponent: 1490record: 4-4 | new rating: 1499 | |||