Arroyo, Robert John
Current rating: 1447
Record: 5-8
| Grand Prix Manila 2012 (AVR standard) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 267 | Nerez, Jacklord R (1519) | Lost 0-2 | -171465 |
| 2standard | 459 | Libiran, David James B (1482) | Won 2-0 | +181483 |
| 3standard | 213 | Defeo, Ivan Christian (1501) | Won 2-0 | +191502 |
| 4standard | 154 | Rodas, Mikko (1489) | Lost 0-2 | -191483 |
| 5standard | 306 | Caban, Charlie U (1500) | Lost 0-2 | -171466 |
| 6standard | 361 | Balce, Andrei (1433) | Lost 1-2 | -191447 |
| average opponent: 1487record: 2-4 | new rating: 1447 | |||
| Grand Prix Manila 2010 (ROE standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 183 | Caleon, Noel Ace Rex T (1500) | Lost 1-2 | -181482 |
| 2standard | 282 | carpio, leandro (1482) | Won 2-0 | +181500 |
| 3standard | 198 | Baclig, Jonathan (1500) | Won 2-0 | +181518 |
| 4standard | 262 | Novicio, Adrian H. (1518) | Lost 1-2 | -181500 |
| 5standard | 344 | Chee, Crisler (1518) | Lost 1-2 | -181482 |
| 6standard | 328 | Barrios, Rheymar (1483) | Won 2-1 | +181500 |
| 7standard | 291 | Retazo, Reynan (1500) | Lost 1-2 | -181482 |
| average opponent: 1500record: 3-4 | new rating: 1482 | |||