Kadekari, Willian
Current rating: 1465
Record: 2-4
| Grand Prix Sao Paulo 2009 (ARB standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 165 | Leandro Aparecido Mace, (1500) | Lost 0-2 | -181482 |
| 2standard | 226 | Diogo M Moraes, (1482) | Lost 0-2 | -181464 |
| 3standard | 261 | Joao Gabriel Ribeiro d, (1464) | Won 2-0 | +181482 |
| 4standard | 289 | Hashizuma, Gustavo Kazuo (1481) | Won 2-1 | +181500 |
| 5standard | 239 | Sanchez, Cristian [CHL] (1536) | Lost 0-2 | -171483 |
| 6standard | 229 | Moraga Galdames, Jorge Pablo (1499) | Lost 0-0 | -181465 |
| average opponent: 1494record: 2-4 | new rating: 1465 | |||