medina garza, david i
Current rating: 1503
Record: 6-6
| Grand Prix Mexico City 2014 (BNG limited) | starting rating: 1537 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 5 | Alba Guzman, Eduardo (1500) | Won 2-0 | +171554 |
| 2sealed | 5 | Becerra Reyes, Carlos (1757) | Lost 0-2 | -141540 |
| 3sealed | 163 | Hernandez Sanchez, Moi (1500) | Lost 0-2 | -191521 |
| 4sealed | 285 | rodriguez, isaac (1482) | Lost 0-2 | -181503 |
| average opponent: 1560record: 1-3 | new rating: 1503 | |||
| Grand Prix Guadalajara 2013 (DGM standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 43 | Romeo Aceves, Javier S (1500) | Won 2-0 | +181518 |
| 2standard | 41 | Flores, Apolinar G (1518) | Won 2-0 | +181536 |
| 3standard | 10 | lombell, Christopher (1611) | Won 2-0 | +191555 |
| 4standard | 32 | Melesio, Carlos (1588) | Won 2-1 | +191574 |
| 5standard | 20 | Castillo Mata, Juan Carlos (1519) | Lost 1-2 | -191555 |
| 6standard | 43 | Ramos, Angel (1553) | Lost 1-2 | -181537 |
| 7standard | 55 | Pratz Moreno, Juan Salvador (1547) | Won 2-1 | +181555 |
| 8standard | 38 | Lomelin, Aramis (1555) | Lost 1-2 | -181537 |
| average opponent: 1549record: 5-3 | new rating: 1537 | |||