Siongco, Eugene
Current rating: 1501
Record: 1-1-2
| Grand Prix Manila 2015 (KTK standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 376 | Zhuang, Yangsi (1500) | Lost 0-2 | -181482 |
| 2standard | 559 | Canlas, John Remell (1558) | Draw 1-1 | +11483 |
| 3standard | 535 | Dozina, Ronnie (1455) | Draw 1-1 | 01483 |
| 4standard | 610 | Hermosilla, Alfred Benjamin (1483) | Won 2-1 | +181501 |
| average opponent: 1499record: 1-1-2 | new rating: 1501 | |||