Marcos I Ortolan,
Current rating: 1464
Record: 2-4
| Grand Prix Sao Paulo 2009 (ARB standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 118 | Ricardo Raffaeli, (1500) | Lost 0-2 | -181482 |
| 2standard | 169 | Eugenio Da Silva, (1482) | Lost 0-2 | -181464 |
| 3standard | 258 | Miura, William (1464) | Won 2-0 | +181482 |
| 4standard | 216 | Thiago Faria, (1481) | Won 2-0 | +181500 |
| 5standard | 206 | Raphael Noritake, (1483) | Lost 1-2 | -181482 |
| 6standard | 213 | Araujo Ferreira, Denis (1482) | Lost 0-0 | -181464 |
| average opponent: 1482record: 2-4 | new rating: 1464 | |||