Yamaguchi, Thiago Rogerio
Current rating: 1400
Record: 4-10
| Grand Prix Sao Paulo 2012 (M13 limited) | starting rating: 1445 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 154 | Augusto Ab, Marcio Antonio (1515) | Lost 0-2 | -161429 |
| 2sealed | 214 | Quadros, Rafael (1521) | Lost 0-2 | -171412 |
| 3sealed | 286 | Carmona, Eduardo (1464) | Lost 1-2 | -171395 |
| 4sealed | 334 | Alves, Renato Nunes (1445) | Won 2-0 | +191414 |
| 5sealed | 270 | Leite Junior, Paulo de Tarso (1467) | Lost 1-2 | -171397 |
| 6sealed | 268 | Ieasari, Ezequiel M (1385) | Lost 1-2 | -181379 |
| 7sealed | 225 | Arauso, Leonardo de S (1428) | Won 2-0 | +191398 |
| 8sealed | 178 | Guimaraes, Wellington R (1446) | Won 2-1 | +191417 |
| 9sealed | 147 | Ramos, Alexandre (1465) | Lost 1-2 | -171400 |
| average opponent: 1460record: 3-6 | new rating: 1400 | |||
| Grand Prix Sao Paulo 2009 (ARB standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 3 | Mauricio Camacho Pelle, (1500) | Lost 0-2 | -181482 |
| 2standard | 186 | Costa, Alexandre (1445) | Lost 0-2 | -191463 |
| 3standard | 262 | Menna, Sergio (1464) | Won 2-1 | +181481 |
| 4standard | 276 | Marcos Teixeira, (1482) | Lost 0-2 | -181463 |
| 5standard | 258 | Gustavo Aranha Rodrigu, (1465) | Lost 1-2 | -181445 |
| average opponent: 1471record: 1-4 | new rating: 1445 | |||