Hashizuma, Gustavo Kazuo
Current rating: 1447
Record: 5-8
| Grand Prix Sao Paulo 2012 (M13 limited) | starting rating: 1463 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 219 | Freitas Fontes, Fabio (1507) | Lost 0-2 | -171446 |
| 2sealed | 317 | Goncalves Coelho, Diego (1500) | Won 1-0 | +191465 |
| 3sealed | 122 | Aguirre, Andres (1499) | Won 2-0 | +181483 |
| 4sealed | 110 | Costa, Thyago De Luca (1449) | Lost 0-2 | -181465 |
| 5sealed | 241 | Taveira, Joao Gustavo (1485) | Lost 1-2 | -181447 |
| average opponent: 1488record: 2-3 | new rating: 1447 | |||
| Grand Prix Sao Paulo 2009 (ARB standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 64 | paulo henrique, (1500) | Lost 0-2 | -181482 |
| 2standard | 241 | Leonardo de Oliveira S, (1482) | Lost 1-2 | -181464 |
| 3standard | 251 | Nascimento, Felipe (1410) | Won 2-0 | +171481 |
| 4standard | 289 | Kadekari, Willian (1482) | Lost 1-2 | -181463 |
| 5standard | 272 | Thiago Pedroso, (1463) | Lost 1-2 | -181445 |
| 6standard | 244 | Jonatas Quintino, (1446) | Lost 0-0 | -181427 |
| 7standard | 199 | Francischi, Wilson (1412) | Won 2-0 | +181445 |
| 8standard | 157 | Coutinho, Thiago (1446) | Won 2-0 | +181463 |
| average opponent: 1455record: 3-5 | new rating: 1463 | |||