Delfino, Dio Alexander
Current rating: 1527
| Grand Prix Manila 2006 (GPT limited) | starting rating: 1530 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 146 | Taruc, Raffy (1500) | Won 2-0 | +181548 |
| 2sealed | 68 | Sun, Jiafeng (1482) | Draw 1-1 | -11547 |
| 3sealed | 47 | De Jose, Raffy (1518) | Won 2-0 | +171564 |
| 4sealed | 41 | Tiong, Chris (1596) | Lost 0-2 | -171547 |
| 5sealed | 66 | Enriquez, Jerome (1518) | Won 2-0 | +171564 |
| 6sealed | 47 | Batac, Michael Tom (1502) | Lost 0-2 | -191545 |
| 7sealed | 67 | Data, Ryan Rey (1519) | Lost 1-2 | -181527 |
| top | average opponent: 1519record: 3-3-1 | new rating: 1527 | ||
| Grand Prix Austin 2004 (COK limited) | starting rating: 1536 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 105 | Duplechain, Isaac (1500) | Lost 0-2 | -191517 |
| 2sealed | 128 | Sutton, Morgan (1482) | Won 2-0 | +181535 |
| 3sealed | 91 | Tang, Dudley (1500) | Draw 1-1 | -11534 |
| 4sealed | 119 | Matthews, Patrick (1500) | Won 2-1 | +171551 |
| 5sealed | 82 | Mason, Jim (1504) | Won 2-1 | +171568 |
| 6sealed | 56 | Potter, Jason (1563) | Lost 1-2 | -181550 |
| 7sealed | 78 | Armstrong, Herman (1474) | Draw 1-1 | -11549 |
| 8sealed | 69 | Cevette, Michael (1523) | Lost 1-2 | -191530 |
| top | average opponent: 1506record: 3-3-2 | new rating: 1530 | ||
| Grand Prix Kansas City 2003 (MRD limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 77 | Fugett, Michael (1500) | Won 2-1 | +181518 |
| 2sealed | 18 | Orsi, Tony (1518) | Lost 1-2 | -181500 |
| 3sealed | 115 | Ashline, Cory (1500) | Lost 0-2 | -181482 |
| 4sealed | 181 | Doty, Amanda (1484) | Won 2-0 | +181500 |
| 5sealed | 121 | Habibi, Ali (1501) | Lost 0-2 | -181482 |
| 6sealed | 140 | Wilt, Jeanie (1485) | Won 2-0 | +181500 |
| 7sealed | 108 | Buhrer, Nick (1500) | Won 2-0 | +181518 |
| 8sealed | 79 | Herzberg, Scott (1502) | Won 2-0 | +181536 |
| top | average opponent: 1499record: 5-3 | new rating: 1536 | ||