Quidayan, John Neil
Current rating: 1461
Record: 5-7
| Grand Prix Manila 2010 (ROE standard) | starting rating: 1497 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 222 | Santos, Leo Carlos (1500) | Won 2-1 | +181515 |
| 2standard | 112 | Ramos, Paulo Joon M (1518) | Lost 0-2 | -181497 |
| 3standard | 250 | Pangasinan, Jay (1503) | Lost 1-2 | -181479 |
| 4standard | 455 | Salazar, Jan Paulo (1483) | Lost 1-2 | -181461 |
| average opponent: 1501record: 1-3 | new rating: 1461 | |||
| Grand Prix Manila 2008 (Lorwyn block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 135 | MALLARI, HAROLD (1500) | Lost 0-2 | -181482 |
| 2block | 195 | Cardenas, Jose Gabriel (1482) | Won 2-0 | +181500 |
| 3block | 107 | Cortez, Alsey (1500) | Won 2-0 | +181518 |
| 4block | 174 | Tan, Rowena (1436) | Lost 0-2 | -191499 |
| 5block | 225 | Manuel, Justin (1482) | Won 2-1 | +171516 |
| 6block | 146 | De Guzman, Basil (1453) | Lost 0-2 | -191497 |
| 7block | 191 | Martinez, Joyal (1501) | Lost 1-2 | -181479 |
| 8block | 168 | Ragragio, Juan Gregori (1482) | Won 2-0 | +181497 |
| average opponent: 1479record: 4-4 | new rating: 1497 | |||