Trinidad, Erwin
Current rating: 1453
Record: 5-8-1
| Grand Prix Manila 2008 (Lorwyn block) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 125 | Lee, Jay Mark (1500) | Lost 1-2 | -171447 |
| 2block | 204 | Bartolome, Alvin Velasco (1482) | Lost 1-2 | -181429 |
| 3block | 240 | Alegro, Valrey Marthe (1464) | Won 2-0 | +191448 |
| 4block | 253 | Amba, Howard (1576) | Draw 1-1 | +21450 |
| 5block | 240 | Tang, Stephen Roy (1503) | Won 2-0 | +191469 |
| 6block | 181 | Gonzales, Regin (1501) | Lost 0-2 | -171452 |
| 7block | 207 | Rivas, Raynand (1483) | Won 2-0 | +181470 |
| 8block | 157 | Bautista, Giovanni Ala (1501) | Lost 0-2 | -171453 |
| average opponent: 1501record: 3-4-1 | new rating: 1453 | |||
| Grand Prix Manila 2006 (GPT limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 85 | Jbeili, Reginald (1500) | Lost 0-2 | -181482 |
| 2sealed | 134 | Viguilla, Warlito (1482) | Lost 0-2 | -181464 |
| 3sealed | 148 | Lagasca, Vicente (1464) | Won 2-0 | +181482 |
| 4sealed | 131 | Cabrera, Mark Benedict (1482) | Won 2-1 | +181500 |
| 5sealed | 99 | Acelajado, Jovar (1500) | Lost 0-2 | -181482 |
| 6sealed | 128 | Pineda, Johnne Benedict (1482) | Lost 0-2 | -181464 |
| average opponent: 1485record: 2-4 | new rating: 1464 | |||