Giglio Mayol, Jose Miguel
Current rating: 1492
Record: 8-9
| Grand Prix Rio de Janeiro 2013 (GTC standard) | starting rating: 1527 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 12 | Cardoso Oliveira, Marcos Adriano (1518) | Lost 1-2 | -181509 |
| 3standard | 228 | Coelho, Thomaz Alexandre (1477) | Won 2-0 | +171526 |
| 4standard | 143 | Castro, Juan Manuel (1581) | Lost 1-2 | -171509 |
| 5standard | 214 | Nascimento, Wandson (1499) | Lost 0-2 | -181491 |
| 6standard | 246 | Pereira, Natanael (1481) | Lost 0-2 | -181473 |
| 7standard | 206 | Cordeiro, Allan (1463) | Won 2-0 | +181491 |
| 8standard | 173 | Feijo, Matheus (1483) | Won 2-0 | +181509 |
| 9standard | 131 | Di Cicco, Mario (1567) | Lost 0-2 | -171492 |
| average opponent: 1509record: 3-5 | new rating: 1492 | |||
| Grand Prix Sao Paulo 2012 (M13 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 195 | Teixiera Dos Santos, Thiago (1500) | Lost 0-2 | -181482 |
| 2sealed | 320 | Yokomizo, Adriano Koji (1529) | Won 2-0 | +191501 |
| 3sealed | 164 | Watanabe, Danilo (1500) | Lost 0-2 | -181483 |
| 4sealed | 278 | Alves Pellegrini, Felipe (1648) | Won 2-1 | +211504 |
| 5sealed | 182 | del Fierro, Gonzalo (1611) | Lost 0-2 | -161488 |
| 6sealed | 220 | Rocha, Hector Javier (1526) | Won 2-1 | +181506 |
| 7sealed | 152 | Oliveira, Robsom Falcao (1502) | Won 2-0 | +181524 |
| 8sealed | 119 | de Castro, Leonardo (1483) | Won 2-1 | +181542 |
| 9sealed | 95 | Pastorinni, Luckas (1737) | Lost 0-2 | -151527 |
| average opponent: 1560record: 5-4 | new rating: 1527 | |||