Del Rosario, James
Current rating: 1536
| Grand Prix Manila 2012 (AVR standard) | starting rating: 1569 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 71 | Talana, James Francis (1500) | Won 2-0 | +171586 |
| 2standard | 228 | Torres, Romulo III (1518) | Lost 0-2 | -201566 |
| 3standard | 251 | Torre, Pablo Miguel U (1500) | Won 2-0 | +171583 |
| 4standard | 193 | So, Paul Richard (1498) | Lost 0-2 | -191564 |
| 5standard | 327 | Arnejo, Ramvick (1467) | Won 2-0 | +161580 |
| 6standard | 170 | Ramos, Anthony c (1488) | Won 2-0 | +161596 |
| 7standard | 118 | Rogacion, Aljo A (1507) | Lost 0-2 | -191577 |
| 8standard | 168 | Bacani, Christian (1424) | Lost 1-2 | -211556 |
| 9standard | 215 | Balce, Andrei (1454) | Lost 0-2 | -201536 |
| top | average opponent: 1484record: 4-5 | new rating: 1536 | ||
| Grand Prix Manila 2010 (ROE standard) | starting rating: 1572 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 165 | Reyes, Marvin (1600) | Lost 1-2 | -171555 |
| 3standard | 282 | Takeuchi, Kiyoshi C (1561) | Won 2-1 | +181573 |
| 4standard | 169 | Antonio, Glenn (1436) | Won 2-1 | +151588 |
| 5standard | 83 | Aquino, Sherwin (1628) | Lost 1-2 | -171571 |
| 6standard | 255 | Yu, Tsz Hang (1518) | Won 2-0 | +171588 |
| 7standard | 128 | Abellera, Audwin (1535) | Lost 1-2 | -191569 |
| top | average opponent: 1546record: 3-3 | new rating: 1569 | ||
| Grand Prix Manila 2008 (Lorwyn block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 124 | GARCIA, ROBERTO M (1500) | Won 2-0 | +181518 |
| 2block | 120 | Gonzalez, Marco G (1518) | Lost 1-2 | -181500 |
| 3block | 114 | Naling, Janji (1500) | Won 2-0 | +181518 |
| 4block | 180 | Romero, Alexander David (1517) | Lost 1-2 | -181500 |
| 5block | 214 | Lacasa, Greg (1501) | Won 2-0 | +181518 |
| 6block | 151 | Lorenzo, Hanz Nikon (1518) | Won 2-0 | +181536 |
| 7block | 103 | Aquende, John Robert (1534) | Won 2-0 | +181554 |
| 8block | 52 | Lerdthammatavee, Pheer (1555) | Won 2-1 | +181572 |
| top | average opponent: 1518record: 6-2 | new rating: 1572 | ||