Cerdan, Irvin Jasper
Current rating: 1451
Record: 4-7
| Grand Prix Manila 2012 (AVR standard) | starting rating: 1445 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 374 | Pascual, Emerson (1500) | Lost 1-2 | -171428 |
| 2standard | 340 | Baldemor, Linus Marden (1482) | Won 2-0 | +191447 |
| 3standard | 387 | Manalang, Jo Angelo (1499) | Won 2-1 | +191466 |
| 4standard | 296 | Lansang, Jerald C (1518) | Lost 0-2 | -171449 |
| 5standard | 259 | Wan, Wai Kit (1514) | Won 2-1 | +191468 |
| 6standard | 232 | Villano, Michael Joseph (1513) | Lost 0-2 | -171451 |
| average opponent: 1504record: 3-3 | new rating: 1451 | |||
| Grand Prix Manila 2010 (ROE standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 379 | Mallari, Nathaniel (1500) | Lost 0-2 | -181482 |
| 2standard | 446 | Redoblado, Jorel (1482) | Lost 1-2 | -181464 |
| 3standard | 404 | Salas, Bon (1464) | Won 2-0 | +181482 |
| 4standard | 440 | Cohun, Andrew T (1432) | Lost 1-2 | -191463 |
| 5standard | 392 | Tan, Kurt Dominic T (1465) | Lost 0-2 | -181445 |
| average opponent: 1469record: 1-4 | new rating: 1445 | |||