Sy, Darwin Johnson
Current rating: 1519
Record: 5-4
| Grand Prix Manila 2015 (KTK standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 153 | Malasaga, Edward (1573) | Lost 1-2 | -171483 |
| 2standard | 511 | Guerrero, Raphael (1454) | Won 2-0 | +181501 |
| 3standard | 402 | Adona, Florencci (1504) | Lost 1-2 | -181483 |
| 4standard | 565 | de Guzman, Elliel (1434) | Won 2-1 | +171500 |
| 5standard | 420 | Sy, Alvin Kennedy L (1552) | Lost 0-2 | -171483 |
| 6standard | 479 | Francisco, Mark Philip (1482) | Won 2-0 | +181501 |
| 7standard | 345 | Carganillo, Ericson F (1501) | Lost 1-2 | -181483 |
| 8standard | 402 | Pelle, Siegfried (1482) | Won 2-0 | +181501 |
| 9standard | 300 | Lao, Nel Anthony (1504) | Won 2-0 | +181519 |
| average opponent: 1498record: 5-4 | new rating: 1519 | |||