Tachiyama, Jamie P
Current rating: 1414
| Grand Prix San Diego 2013 (modern) | starting rating: 1422 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 54 | Beckfield, John (1551) | Won 2-1 | +201442 |
| 2modern | 54 | Perry, Ben M (1501) | Lost 0-2 | -171425 |
| 3modern | 54 | Capalongan, Ronald (1519) | Lost 1-2 | -161409 |
| 4modern | 54 | Ochoa, Raul (1457) | Won 2-1 | +191428 |
| 5modern | 54 | Vanzant, Jason (1501) | Lost 0-2 | -171411 |
| 6modern | 54 | Crowell, Mclane (1469) | Lost 1-2 | -171394 |
| 7modern | 54 | Chang, Brandon (1452) | Lost 1-2 | -171377 |
| 8modern | 54 | Schossow, Kyle (1371) | Won 2-0 | +181395 |
| 9modern | 54 | Salamat, Amir (1469) | Won 2-0 | +191414 |
| top | average opponent: 1477record: 4-5 | new rating: 1414 | ||
| Grand Prix Anaheim 2012 (Innistrad block) | starting rating: 1483 | |||
| round | table | opponent (rating) | result | Δrating |
| 4block | 50 | Li, Jack (1541) | Lost 1-2 | -171466 |
| 5block | 50 | Nelson, Eric (1535) | Won 2-0 | +191485 |
| 6block | 50 | Hendrix, Carl (1774) | Lost 0-2 | -131472 |
| 7block | 50 | Pitcher, Ryan (1544) | Lost 0-2 | -171455 |
| 8block | 50 | Kroeger, Barrett (1513) | Lost 0-2 | -171438 |
| 9block | 50 | Park, David (1502) | Lost 1-2 | -161422 |
| top | average opponent: 1568record: 1-5 | new rating: 1422 | ||
| Grand Prix Seattle-Tacoma 2012 (DKA limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 147 | Covington, Zack (1500) | Lost 0-2 | -181482 |
| 3sealed | 147 | Abear, Jason L (1500) | Lost 0-2 | -181464 |
| 4sealed | 147 | Kyle, Ian (1482) | Won 2-0 | +191483 |
| 5sealed | 147 | Biencourt, Andre (1482) | Draw 1-1 | 01483 |
| top | average opponent: 1491record: 1-2-1 | new rating: 1483 | ||