Oshiro, Alexandre Hiroki
Current rating: 1499
Record: 5-5
| Grand Prix Sao Paulo 2009 (ARB standard) | starting rating: 1519 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 113 | Lucas Pereira, (1500) | Lost 0-2 | -181501 |
| 2standard | 170 | Gabriel Goncalves De S, (1482) | Lost 0-2 | -191482 |
| 3standard | 259 | Mauro Lages, (1464) | Won 2-0 | +181500 |
| 4standard | 232 | Rodrigo Chiossi, (1482) | Won 2-1 | +181518 |
| 5standard | 236 | Pena, Jose (1499) | Lost 1-2 | -191499 |
| average opponent: 1485record: 2-3 | new rating: 1499 | |||
| Grand Prix Sao Paulo 2002 (JUD standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 9 | Merloto Soave, Fernando (1513) | Won 2-0 | +181518 |
| 4standard | 5 | Gambin, Lucas Adams (1518) | Lost 0-2 | -181500 |
| 5standard | 55 | Montu, Marcelo Drigo (1593) | Won 2-0 | +201520 |
| 6standard | 23 | Longo Junior, Sergio (1421) | Lost 1-2 | -201500 |
| 7standard | 63 | Terranova, Carlos Henriquez (1553) | Won 2-0 | +191519 |
| average opponent: 1520record: 3-2 | new rating: 1519 | |||