Reis, Guilherme
Current rating: 1510
Record: 13-12-1
| Grand Prix Sao Paulo 2015 (DTK standard) | starting rating: 1550 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 300 | Bordignon, Marshelo (1500) | Won 2-1 | +171567 |
| 2standard | 125 | de Mattos Hage, Henrique (1518) | Lost 1-2 | -191548 |
| 3standard | 423 | Coelho, Leonardo (1500) | Lost 0-2 | -191529 |
| 4standard | 511 | Luiz Freitas de Sousa, (1482) | Lost 0-2 | -191510 |
| top | average opponent: 1500record: 1-3 | new rating: 1510 | ||
| Grand Prix Rio de Janeiro 2013 (GTC standard) | starting rating: 1520 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 154 | Junqueira, Henrique (1500) | Won 1-0 | +181538 |
| 2standard | 39 | Maia, Rodolfo (1438) | Won 2-0 | +161554 |
| 3standard | 309 | Ahumada, Patricio (1538) | Won 2-0 | +181572 |
| 4standard | 76 | Cavalcante, Diego (1500) | Lost 1-2 | -191553 |
| 5standard | 120 | Crusius, Matheus (1536) | Lost 0-2 | -191534 |
| 6standard | 177 | Silva Frei, Gabriel (1508) | Won 2-0 | +181552 |
| 7standard | 112 | Bonfim Moreira, Thiago (1543) | Won 2-0 | +181570 |
| 8standard | 84 | Bitner, Leandro (1458) | Lost 0-2 | -201550 |
| top | average opponent: 1503record: 5-3 | new rating: 1550 | ||
| Grand Prix Sao Paulo 2012 (M13 limited) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 41 | Ignacio, Weber (1500) | Won 2-1 | +181500 |
| 2sealed | 149 | Pereira Junior, Pedro (1662) | Draw 1-1 | +31503 |
| 3sealed | 110 | Osten, Flavio (1518) | Won 2-0 | +181521 |
| 4sealed | 81 | Armando S. B, (1501) | Lost 0-2 | -181503 |
| 5sealed | 148 | Teixiera Dos Santos, Thiago (1519) | Lost 0-2 | -181485 |
| 6sealed | 205 | Murari Negov, Mariana (1470) | Won 2-0 | +181503 |
| 7sealed | 145 | Barreto, Andre (1470) | Won 2-0 | +171520 |
| 8sealed | 103 | Souza, Natanael (1520) | Lost 1-2 | -181502 |
| 9sealed | 112 | Rosse de Souza, Diego (1503) | Won 2-0 | +181520 |
| top | average opponent: 1518record: 5-3-1 | new rating: 1520 | ||
| Grand Prix Sao Paulo 2009 (ARB standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 8 | Guaraldo Torello Viera, Fernando (1500) | Lost 1-2 | -181482 |
| 2standard | 208 | Ferreira, Luiz Fernando K (1482) | Lost 0-2 | -181464 |
| 3standard | 254 | Anderson de Alenncar P, (1464) | Won 2-0 | +181482 |
| 4standard | 240 | Sousa Raposo, Wesley Jonas (1480) | Won 1-0 | +181500 |
| 5standard | 242 | Eduardo Vale, (1498) | Lost 0-2 | -181482 |
| top | average opponent: 1485record: 2-3 | new rating: 1482 | ||