Mati, Shaun
Current rating: 1439
| Grand Prix San Diego 2013 (modern) | starting rating: 1445 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 131 | Chong, Rick (1845) | Lost 1-2 | -111434 |
| 2modern | 206 | Cerone, Anthony (1482) | Lost 0-1 | -171417 |
| 3modern | 283 | Schafer, Jordan (1464) | Won 2-1 | +191436 |
| 4modern | 275 | Ma, Matthew (1480) | Won 2-0 | +191455 |
| 5modern | 267 | Kalbus, Wes (1578) | Lost 0-2 | -161439 |
| top | average opponent: 1570record: 2-3 | new rating: 1439 | ||
| Grand Prix Anaheim 2012 (Innistrad block) | starting rating: 1499 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 78 | Clark, Daniel (1500) | Lost 0-2 | -181481 |
| 2block | 317 | Alcantara, Charles (1482) | Lost 0-2 | -181463 |
| 3block | 389 | Joyce, Jeff (1465) | Lost 1-2 | -181445 |
| top | average opponent: 1482record: 0-3 | new rating: 1445 | ||
| Grand Prix San Diego 2011 (ISD limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 55 | Khalsa, Hari (1500) | Draw 1-1 | 01500 |
| 2sealed | 122 | Zahler, Heather (1500) | Won 1-0 | +181518 |
| 3sealed | 88 | Barbuto, Brandon C (1518) | Lost 0-2 | -181500 |
| 4sealed | 177 | Munoz, Matthew (1447) | Won 2-1 | +171517 |
| 5sealed | 128 | McGowen, Patrick (1534) | Lost 1-2 | -181499 |
| 6sealed | 166 | Terry, Steven R (1486) | Won 2-0 | +181517 |
| 7sealed | 124 | Delarosa, Jeremy (1518) | Lost 0-2 | -181499 |
| top | average opponent: 1501record: 3-3-1 | new rating: 1499 | ||