Haxton, Isaac
Current rating: 1570
Record: 4-3 (GP) / 4-3 (professional)
| Grand Prix Boston 2003 (LGN limited) | starting rating: 1542 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 55 | Bartholow, David (1564) | Lost 0-2 | -171525 |
| 4sealed | 98 | Spinner, Seth (1517) | Won 2-0 | +181543 |
| 5sealed | 103 | Tsai, Tony (1665) | Won 2-1 | +201563 |
| 6sealed | 71 | Lynch, Brian (1463) | Lost 0-2 | -201543 |
| 7sealed | 75 | Chamberlain, Stephen (1502) | Won 2-0 | +171560 |
| 8sealed | 80 | Maher, Bob (1973) | Won 2-1 | +261586 |
| 9sealed | 36 | Linde, Matt (1736) | Lost 1-2 | -161570 |
| average opponent: 1632record: 4-3 | new rating: 1570 | |||
| Pro Tour San Diego 2002 (ODY rochester) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1rochester | 116 | Wise, Gary (1694) | Lost 1-2 | -151485 |
| 2rochester | 1 | Mori, Katsuhiro (1927) | Lost 0-2 | -101475 |
| 3rochester | 20 | Bongiovanni, Mauro (1760) | Won 2-1 | +231498 |
| 4rochester | 100 | Higashino, Masayuki (1798) | Lost 0-2 | -131485 |
| 5rochester | 20 | Wong, Christopher (1455) | Won 2-0 | +181503 |
| 6rochester | 8 | Vienneau, Matthew (1729) | Won 2-0 | +221525 |
| 7rochester | 98 | Zappaterra, Matteo (1500) | Won 2-0 | +171542 |
| average opponent: 1695record: 4-3 | new rating: 1542 | |||