David, Voncer
Current rating: 1457
| Grand Prix Manila 2012 (AVR standard) | starting rating: 1454 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 279 | Quintans, Jankitmil (1483) | Won 2-0 | +181472 |
| 2standard | 190 | Salvador, JC (1540) | Draw 1-1 | +11473 |
| 3standard | 186 | Chua, Mark Eugene F (1524) | Lost 1-2 | -171456 |
| 4standard | 315 | Yap, Peter Franz Celiz (1496) | Draw 1-1 | +11457 |
| 5standard | 399 | Viclar, Ferdinand (1451) | Draw 1-1 | 01457 |
| top | average opponent: 1499record: 1-1-3 | new rating: 1457 | ||
| Grand Prix Manila 2010 (ROE standard) | starting rating: 1429 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 263 | Po, John Paul (1500) | Lost 0-1 | -171412 |
| 2standard | 383 | Nebrija, Michael (1482) | Won 2-0 | +201432 |
| 3standard | 315 | Riguerra, Ryan (1484) | Won 2-1 | +191451 |
| 4standard | 162 | De Jose, Raffy (1483) | Won 1-0 | +181469 |
| 5standard | 105 | Alipio, Roland Fidel B (1530) | Draw 1-1 | +11470 |
| 6standard | 140 | Layson, Paul (1536) | Lost 1-2 | -161454 |
| top | average opponent: 1502record: 3-2-1 | new rating: 1454 | ||
| Grand Prix Manila 2008 (Lorwyn block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 173 | Agulto, Ralph Julius S (1500) | Won 2-0 | +181518 |
| 2block | 74 | Domingo, Randolph Dizo (1518) | Won 2-1 | +181536 |
| 3block | 42 | Ong, Williamson (1522) | Lost 0-2 | -181518 |
| 4block | 136 | Espano, Ryan (1618) | Lost 0-2 | -161502 |
| 5block | 158 | Santos, Ravann Gorospe (1500) | Lost 0-2 | -181484 |
| 6block | 213 | Ilagan, Jericho (1465) | Lost 1-2 | -191465 |
| 7block | 233 | Baron, Claudine Yulo (1464) | Lost 0-2 | -181447 |
| 8block | 208 | Valois, Franz Arnett (1444) | Lost 0-2 | -181429 |
| top | average opponent: 1504record: 2-6 | new rating: 1429 | ||