Cantaros, Ivan Edward
Current rating: 1548
| Grand Prix Manila 2015 (KTK standard) | starting rating: 1514 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 502 | Sy, Daniel (1434) | Lost 0-2 | -191495 |
| 2standard | 431 | Enriquez, Mark Anthony (1517) | Lost 1-2 | -181477 |
| 3standard | 590 | Lara, Ronnel P (1464) | Lost 0-2 | -181459 |
| 4standard | 660 | Dulawan, Ivan Alexander (1484) | Won 2-0 | +181477 |
| 5standard | 581 | Nazrul Hafeez, Mohd (1462) | Won 2-1 | +181495 |
| 6standard | 448 | Rodriguez, Doby (1486) | Won 2-1 | +181513 |
| 7standard | 368 | Retazo, Reynan (1516) | Draw 1-1 | 01513 |
| 8standard | 322 | Arroyo, Andrew (1500) | Won 2-1 | +181531 |
| 9standard | 242 | Ang, Peter Paul (1497) | Won 2-1 | +171548 |
| top | average opponent: 1485record: 5-3-1 | new rating: 1548 | ||
| Grand Prix Manila 2012 (AVR standard) | starting rating: 1535 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 58 | Javier, David Alfonso (1482) | Won 2-0 | +171552 |
| 2standard | 208 | Prawira, Hartono (1518) | Lost 1-2 | -181534 |
| 3standard | 338 | Adajar, Casey_jones (1499) | Won 2-0 | +171551 |
| 4standard | 273 | Jamias, Leoveur (1518) | Lost 0-2 | -181533 |
| 5standard | 262 | Rosales, Roldan Busio (1501) | Lost 0-2 | -191514 |
| top | average opponent: 1504record: 2-3 | new rating: 1514 | ||
| Grand Prix Manila 2010 (ROE standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 62 | Manalac, Joecon (1500) | Won 2-0 | +181518 |
| 2standard | 29 | Saclauso, Alex (1518) | Lost 1-2 | -181500 |
| 3standard | 281 | Santos, Andrew Nichola (1500) | Won 2-0 | +181518 |
| 4standard | 143 | Trinidad, Jason (1519) | Won 2-0 | +181536 |
| 5standard | 100 | Ilagan, Jericho (1552) | Won 2-1 | +181554 |
| 6standard | 49 | Castro, Edmund (1554) | Won 2-0 | +181572 |
| 7standard | 21 | Tan, Archie (1571) | Lost 0-2 | -181554 |
| 8standard | 129 | Tay, Jun Hao (1504) | Lost 0-2 | -191535 |
| top | average opponent: 1527record: 5-3 | new rating: 1535 | ||