Istivan Gyula,
Current rating: 1428
Record: 2-6
| Grand Prix Sao Paulo 2009 (ARB standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 49 | Leandro Alves Pereira, (1500) | Lost 0-2 | -181482 |
| 2standard | 245 | Augusto Da Silva, Cesar (1482) | Lost 0-2 | -181464 |
| 3standard | 265 | Veronaldo P P. de Lima, (1464) | Won 2-0 | +181482 |
| 4standard | 217 | Sampaio, Cassiano (1471) | Lost 0-2 | -181464 |
| 5standard | 263 | Ortega, Ananias (1446) | Won 2-0 | +171481 |
| 6standard | 222 | Mauro Lages, (1482) | Lost 0-0 | -181463 |
| 7standard | 189 | Murari Negov, Mariana (1430) | Lost 0-2 | -181445 |
| 8standard | 154 | Leandro Monteiro, (1482) | Lost 1-2 | -171428 |
| average opponent: 1470record: 2-6 | new rating: 1428 | |||