Hallowell, Kyle D
Current rating: 1457
| Grand Prix Louisville 2013 (THS standard) | starting rating: 1494 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 130 | Bailey, Arnold (1519) | Won 2-1 | +181512 |
| 2standard | 344 | West, Zachary (1448) | Lost 0-2 | -191493 |
| 3standard | 389 | Tosto, Dave (1500) | Lost 0-2 | -181475 |
| 4standard | 470 | Dale, Mike L (1482) | Lost 1-2 | -181457 |
| top | average opponent: 1487record: 1-3 | new rating: 1457 | ||
| Grand Prix Detroit 2013 (modern) | starting rating: 1498 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 39 | Ramsey, John (1474) | Won 2-1 | +181516 |
| 2modern | 238 | Kerr, Michael (1465) | Won 0-0 | +171533 |
| 3modern | 46 | Bishop, Eric (1367) | Lost 0-2 | -211512 |
| 4modern | 267 | Castillo-Vergara, Franklyn (1523) | Won 2-1 | +181530 |
| 5modern | 222 | Pickfield, Mike (1484) | Lost 0-2 | -191511 |
| 6modern | 412 | Wanich, Mark (1541) | Lost 1-2 | -171494 |
| top | average opponent: 1476record: 3-3 | new rating: 1494 | ||
| Grand Prix Houston 2010 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 186 | Campion, Andres (1445) | Lost 0-2 | -191481 |
| 2extended | 244 | Deans, Christopher M (1482) | Won 2-0 | +181499 |
| 3extended | 202 | Surendran, Danesh S (1501) | Won 2-1 | +181517 |
| 4extended | 148 | Jung, Sang (1520) | Lost 1-2 | -181499 |
| 5extended | 189 | Oliver, Ronald (1447) | Won 2-0 | +171516 |
| 6extended | 178 | Morris, Mitchell C (1519) | Lost 1-2 | -181498 |
| top | average opponent: 1486record: 3-3 | new rating: 1498 | ||