Howell, Jack
Current rating: 1485
Record: 7-8
| Grand Prix Seattle-Tacoma 2012 (DKA limited) | starting rating: 1485 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 48 | Kroth, Joe (1447) | Won 2-0 | +181503 |
| 2sealed | 25 | Manz, Ricky (1500) | Lost 1-2 | -191484 |
| 3sealed | 393 | Ewing, Quinton (1499) | Lost 0-2 | -171467 |
| 4sealed | 385 | Peczeli, Noah (1482) | Won 2-0 | +181485 |
| 5sealed | 425 | Van Wormer, Elliot (1483) | Won 2-1 | +181503 |
| 6sealed | 302 | Kou, Tony (1521) | Won 2-0 | +181521 |
| 7sealed | 120 | Tessier, Michael (1488) | Lost 0-2 | -181503 |
| 8sealed | 224 | Ji, Jian (1501) | Lost 0-2 | -181485 |
| average opponent: 1490record: 4-4 | new rating: 1485 | |||
| Grand Prix Portland 2010 (M11 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 244 | Pritchard, Aaron (1486) | Won 2-1 | +181518 |
| 2sealed | 276 | Swayne, Neil J (1518) | Won 2-1 | +181536 |
| 3sealed | 8 | KLUG, ALEX R (1518) | Lost 0-2 | -191517 |
| 4sealed | 181 | Carleton-Barnes, Gabriel (1732) | Lost 0-2 | -141503 |
| 5sealed | 441 | Clifton, Doug (1504) | Won 2-1 | +181521 |
| 6sealed | 261 | Ayers, Corey (1520) | Lost 0-2 | -181503 |
| 7sealed | 281 | Huffaker, Andrew (1500) | Lost 0-2 | -181485 |
| average opponent: 1540record: 3-4 | new rating: 1485 | |||