Mercado, Erick
Current rating: 1452
| Grand Prix Mexico City 2015 (FRF limited) | starting rating: 1467 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 189 | Barboza, Francisco (1522) | Lost 0-2 | -171450 |
| 2sealed | 224 | Diaz, Rene (1484) | Won 2-0 | +181468 |
| 3sealed | 222 | Badillo, Ricardo (1417) | Lost 1-2 | -191449 |
| 4sealed | 226 | Franco Flores, Efrain (1434) | Won 2-0 | +181467 |
| 5sealed | 218 | Preciado, Jose Cristian (1502) | Won 2-0 | +191486 |
| 6sealed | 165 | Osorio, Francisco (1522) | Lost 0-2 | -181468 |
| 7sealed | 148 | Rauda Zamudio, Ramiro (1566) | Lost 0-2 | -161452 |
| top | average opponent: 1492record: 3-4 | new rating: 1452 | ||
| Grand Prix Mexico City 2014 (BNG limited) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 77 | Alvarado, Antonio (1474) | Lost 1-2 | -181446 |
| 2sealed | 200 | Ortega Perez, Raul (1483) | Lost 1-2 | -171429 |
| 3sealed | 276 | Ramirez Miranda, Victo (1470) | Won 2-1 | +191448 |
| 4sealed | 238 | Marroquin, Thalia (1482) | Won 2-1 | +181466 |
| 5sealed | 205 | Argueta, Ivan (1452) | Won 2-0 | +181484 |
| 6sealed | 105 | Ruiz Cabanas, Diego (1520) | Lost 1-2 | -171467 |
| top | average opponent: 1480record: 3-3 | new rating: 1467 | ||
| Grand Prix Guadalajara 2013 (DGM standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 118 | Trujillo de Akba, Carl (1500) | Won 2-1 | +181518 |
| 2standard | 17 | Medina, Luis Alejandro (1518) | Won 2-1 | +181536 |
| 3standard | 13 | Nava Rodarte, Diego (1536) | Lost 0-2 | -181518 |
| 4standard | 119 | Ponce Franco, Jose Manuel (1594) | Won 2-1 | +191537 |
| 5standard | 72 | Canavati, Andreas (1500) | Lost 0-2 | -181519 |
| 6standard | 62 | Cortes, Ernesto (1502) | Lost 1-2 | -191500 |
| 7standard | 141 | Bencomo, Oscar (1485) | Lost 0-2 | -181482 |
| 8standard | 138 | Perdigon Lagunes, Pedr (1481) | Lost 0-2 | -181464 |
| top | average opponent: 1514record: 3-5 | new rating: 1464 | ||