Guevarra, Omar Giorgio
Current rating: 1518
Record: 5-4
| Grand Prix Manila 2012 (AVR standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 148 | Mostacho, Larry (1500) | Lost 0-2 | -181482 |
| 2standard | 448 | Yupitun, Mark Kenrich (1480) | Lost 0-2 | -181464 |
| 3standard | 475 | Aventajado, Marco (1463) | Won 2-1 | +181482 |
| 4standard | 493 | Matias, Jo-Dale G (1505) | Lost 0-2 | -181464 |
| 5standard | 476 | Pastrana, Michael Loui (1464) | Won 2-1 | +181482 |
| 6standard | 420 | Reyes, Kyle (1482) | Won 2-0 | +181500 |
| 7standard | 317 | Custodio, Carlo Eric (1466) | Won 2-0 | +181518 |
| 8standard | 247 | Masongsong, Jay Vincen (1519) | Lost 0-2 | -181500 |
| 9standard | 234 | Dizon, Aian (1496) | Won 2-1 | +181518 |
| average opponent: 1486record: 5-4 | new rating: 1518 | |||