Rangel, Marcos
Current rating: 1492
Record: 9-9
| Grand Prix Mexico City 2015 (FRF limited) | starting rating: 1570 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 198 | Vazquez, Luis (1481) | Lost 1-2 | -201550 |
| 2sealed | 200 | Medina, Diego (1480) | Lost 0-2 | -191531 |
| 3sealed | 299 | Uranga Orozco, Luis An (1465) | Lost 1-2 | -191512 |
| 4sealed | 301 | Garza Diaz, Ernesto (1413) | Lost 0-2 | -201492 |
| average opponent: 1460record: 0-4 | new rating: 1492 | |||
| Grand Prix Mexico City 2012 (DKA limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 255 | Vazquez Volazquez, Armando (1500) | Won 2-0 | +181518 |
| 2sealed | 60 | Blumenkran, Fernando (1518) | Won 2-0 | +181536 |
| 3sealed | 33 | Ibarra Del Rio, Ignacio (1536) | Lost 0-2 | -181518 |
| 4sealed | 182 | Nunez Moreno, Gustavo (1537) | Lost 0-2 | -181500 |
| 5sealed | 153 | Vazquez Pena, Javier (1500) | Won 2-0 | +181518 |
| 6sealed | 99 | Velasco Gutierrez, Cristian Rogelio (1518) | Won 2-1 | +181536 |
| 7sealed | 103 | Olivares, Armando (1468) | Won 2-1 | +171553 |
| 8sealed | 45 | Sandoval, Omar (1586) | Won 2-1 | +191572 |
| 9draft | 50 | Ponce Franco, Jose Manuel (1542) | Won 2-1 | +171589 |
| 10draft | 34 | Pineda Beltran, Arturo (1588) | Lost 0-0 | -181571 |
| 11draft | 39 | Searles, James (1521) | Lost 1-2 | -191552 |
| 12draft | 44 | Zepeda Dominguez, Alfredo (1549) | Lost 0-2 | -181534 |
| 13draft | 36 | Gonzalez Cuevas, Mario (1560) | Won 2-0 | +191553 |
| 14draft | 46 | Jonguitud Garcia, Luis (1516) | Won 2-1 | +171570 |
| average opponent: 1531record: 9-5 | new rating: 1570 | |||