Constantino, Ronie
Current rating: 1492
Record: 6-7
| Grand Prix Manila 2012 (AVR standard) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 384 | Estrella, Jofel (1500) | Won 2-0 | +181482 |
| 2standard | 194 | Napa, Marcus Kevin (1517) | Won 2-1 | +191501 |
| 3standard | 80 | Botin, Arvin (1617) | Lost 1-2 | -161485 |
| 4standard | 178 | Manalo, Aristotle (1519) | Won 2-1 | +191504 |
| 5standard | 102 | Magpantay, Alex (1551) | Won 2-1 | +191523 |
| 6standard | 88 | Hubilla, Kenneth Jorda (1553) | Lost 0-2 | -181505 |
| 7standard | 191 | Tiong, Chris (1803) | Lost 1-2 | -131492 |
| 8standard | 240 | Dozina, Ronnie (1500) | Won 2-1 | +191511 |
| 9standard | 154 | Arriola, Mark Anthony (1500) | Lost 0-2 | -191492 |
| average opponent: 1562record: 5-4 | new rating: 1492 | |||
| Grand Prix Manila 2010 (ROE standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 201 | Ubana, Glenn Paul (1500) | Lost 1-2 | -181482 |
| 2standard | 381 | Soriano, Tristan (1482) | Lost 1-2 | -181464 |
| 3standard | 385 | Candaroma, Rudolph Joh (1448) | Won 2-0 | +181482 |
| 4standard | 454 | Cervando, Francisco Mi (1483) | Lost 0-2 | -181464 |
| average opponent: 1478record: 1-3 | new rating: 1464 | |||