Martinez Perez, David
Current rating: 1717 (#5475)
Record: 25-15-2
| Grand Prix Mexico City 2018 (GRN limited) | starting rating: 1607 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 28 | Yatsenko, Alex (1611) | Won 2-0 | +181625 |
| 3sealed | 17 | Enriquez Mayoral, Jesus Edgar (1667) | Won 2-0 | +191644 |
| 4sealed | 34 | Murguia, Edgar (1686) | Won 2-0 | +191663 |
| 5sealed | 12 | Flores, Mario (1778) | Draw 1-1 | +21665 |
| 6sealed | 14 | Estrada Morales, Mauricio (1819) | Won 2-0 | +211686 |
| 7sealed | 8 | Nino, Camilo (1720) | Lost 1-2 | -181668 |
| 8sealed | 22 | Pichardo, Luis (1538) | Won 2-0 | +161684 |
| 9sealed | 12 | Triani, Matteo (1595) | Lost 0-2 | -201664 |
| 10draft | 23 | Botis, Juan Carlos (1766) | Draw 1-1 | +21666 |
| 11draft | 17 | Zamudio Jimenez, Ivan Emmanuel (1504) | Won 2-1 | +151681 |
| 12draft | 37 | Flores, Mario (1804) | Lost 0-2 | -151666 |
| 13draft | 23 | Valdovinos, Froylan (1551) | Won 2-0 | +151681 |
| 14draft | 25 | Dominguez Roldan, Fernando De Jesus (1803) | Won 2-0 | +211702 |
| 15draft | 17 | Zamudio Jimenez, Ivan Emmanuel (1549) | Won 2-0 | +151717 |
| top | average opponent: 1671record: 9-3-2 | new rating: 1717 | ||
| Grand Prix Mexico City 2016 (OGW limited) | starting rating: 1565 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 83 | De La Cruz, Jose (1512) | Won 2-0 | +171582 |
| 4sealed | 28 | Fernandez Rodriguez, Raul Eduardo (1577) | Won 2-0 | +181600 |
| 5sealed | 32 | Martinez Angeles, Carlos Alberto (1551) | Won 2-0 | +171617 |
| 6sealed | 15 | Lalague, Marc (1727) | Won 2-1 | +201637 |
| 7sealed | 6 | Manfield, Seth (2170) | Lost 1-2 | -91628 |
| 8sealed | 31 | Herrera Grijalva, Jorge Antonio (1609) | Lost 0-2 | -191609 |
| 9sealed | 61 | Gomez, Alonso (1629) | Won 2-0 | +191628 |
| 10draft | 32 | Casatti, Vagner William (1995) | Lost 1-2 | -121616 |
| 11draft | 57 | Cardenas, Osvaldo (1604) | Lost 0-0 | -181598 |
| 12draft | 53 | Perez Alvarado, Kevin Antonio (1552) | Won 2-1 | +171615 |
| 13draft | 36 | Gomez, Alonso (1633) | Lost 0-2 | -181597 |
| 14draft | 31 | Parke, Jamie (1890) | Won 2-1 | +231620 |
| 15draft | 35 | Chin, Ricky (1889) | Lost 0-2 | -131607 |
| top | average opponent: 1718record: 7-6 | new rating: 1607 | ||
| Grand Prix Mexico City 2015 (FRF limited) | starting rating: 1535 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 74 | Yu, Ben (1877) | Won 2-0 | +241559 |
| 4sealed | 28 | Serrano, Alexis (1671) | Won 2-0 | +201579 |
| 5sealed | 1 | Mira Uribe, Juan Felipe (1508) | Lost 0-2 | -191560 |
| 6sealed | 21 | Castillo Mata, Eduardo (1600) | Won 2-0 | +181578 |
| 7sealed | 23 | Avalos, Victor (1576) | Won 2-0 | +181596 |
| 8sealed | 73 | Gerhardt, Scott (1851) | Lost 0-2 | -131583 |
| 9sealed | 37 | Avitua, Fernando (1571) | Lost 0-2 | -181565 |
| top | average opponent: 1665record: 4-3 | new rating: 1565 | ||
| Grand Prix Mexico City 2014 (BNG limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 204 | Franco Bodek, Tomas (1482) | Won 2-0 | +181518 |
| 2sealed | 121 | Franco, Rodrigo (1518) | Lost 0-2 | -181500 |
| 3sealed | 120 | Rivadeneyra, Jesus Eduardo (1505) | Won 2-0 | +181518 |
| 4sealed | 175 | Olin Honorio, Daniel (1520) | Won 2-1 | +181536 |
| 5sealed | 88 | Camacho Fuentes, Hebert (1537) | Lost 0-2 | -181518 |
| 6sealed | 100 | Vargas, Erick (1518) | Won 2-1 | +181536 |
| 7sealed | 94 | Garcia, Maria Eva (1535) | Won 2-1 | +181554 |
| 8sealed | 30 | Ortega, Carlos (1496) | Lost 1-2 | -191535 |
| top | average opponent: 1514record: 5-3 | new rating: 1535 | ||