Ongkeco, Michael
Current rating: 1463
Record: 11-14-7
| Grand Prix Manila 2017 (AKH standard) | starting rating: 1518 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 112 | Foo Kuen, Chong (1500) | Lost 1-2 | -181500 |
| 2standard | 231 | Eco, Edencio Quincy B (1514) | Draw 1-1 | 01500 |
| 3standard | 308 | Hendryanto, Henry (1471) | Lost 1-2 | -191481 |
| 4standard | 334 | Patacsil, Rhay John (1482) | Lost 1-2 | -181463 |
| top | average opponent: 1492record: 0-3-1 | new rating: 1463 | ||
| Grand Prix Manila 2015 (KTK standard) | starting rating: 1503 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 408 | Escano, Jorel A (1500) | Draw 1-1 | 01503 |
| 2standard | 355 | Leber, Denis (1301) | Won 2-0 | +141517 |
| 3standard | 255 | Semana, Randy (1544) | Draw 1-1 | +11518 |
| 4standard | 368 | Ong, Raynald (1553) | Won 2-0 | +181536 |
| 5standard | 232 | Cruz, Marlon Kane (1536) | Draw 1-1 | 01536 |
| 6standard | 349 | Alba, Merbert (1522) | Lost 1-2 | -181518 |
| top | average opponent: 1493record: 2-1-3 | new rating: 1518 | ||
| Grand Prix Manila 2010 (ROE standard) | starting rating: 1479 | |||
| round | table | opponent (rating) | result | Δrating |
| 4standard | 69 | Aquino, Sherwin (1649) | Won 2-1 | +221501 |
| 5standard | 6 | Nakamura, Shuhei (1904) | Lost 1-2 | -111490 |
| 6standard | 46 | Sy, Wilheim (1553) | Won 2-1 | +191509 |
| 7standard | 29 | Go, Patrick Lian (1575) | Won 2-0 | +191528 |
| 8standard | 40 | Faytaren, Pete (1590) | Won 2-1 | +191547 |
| 9standard | 18 | Laudencia, Mikhail (1594) | Lost 0-2 | -171530 |
| 10standard | 32 | Buchanan, Andrew (1764) | Draw 1-1 | +41534 |
| 11standard | 38 | Ascalon, Jason (1627) | Lost 0-2 | -161518 |
| 12standard | 50 | Camilet, Christian Joh (1572) | Won 2-0 | +191537 |
| 13standard | 38 | Trakulsuk, Kawin (1515) | Lost 1-2 | -191518 |
| 14standard | 48 | Rodriguez, Ryan (1577) | Lost 1-2 | -171501 |
| 15standard | 51 | Marcelo, Martin (1572) | Draw 1-1 | +21503 |
| top | average opponent: 1624record: 5-5-2 | new rating: 1503 | ||
| Grand Prix Manila 2008 (Lorwyn block) | starting rating: 1535 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 132 | Cagahastian, David (1499) | Lost 1-2 | -181517 |
| 2block | 167 | Arroyo, Xavier Dominic (1482) | Lost 0-2 | -191498 |
| 3block | 256 | Suan, Lordan (1464) | Lost 0-2 | -191479 |
| top | average opponent: 1482record: 0-3 | new rating: 1479 | ||
| Grand Prix Manila 2006 (GPT limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 65 | Solano, Ronald Rolando (1500) | Won 2-0 | +181518 |
| 2sealed | 37 | Jocson, Michael Andrew (1518) | Won 2-0 | +181536 |
| 3sealed | 34 | Amba, Howard (1536) | Draw 0-0 | 01536 |
| 4sealed | 37 | Semana, Randy (1535) | Lost 1-2 | -181518 |
| 5sealed | 67 | Tiu, Timothy (1518) | Won 2-0 | +181536 |
| 6sealed | 42 | Santa Maria, Chris Ale (1535) | Won 2-0 | +181554 |
| 7sealed | 29 | Batac, Michael Tom (1521) | Lost 0-2 | -191535 |
| top | average opponent: 1523record: 4-2-1 | new rating: 1535 | ||