Hunkapiller, Charles
Current rating: 1379
Record: 2-9-2
| Grand Prix Memphis 2018 (RIX standard) | starting rating: 1430 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 224 | Lee, Brian 508 (1496) | Draw 1-1 | +11431 |
| 2standard | 249 | Miller, Justin (1493) | Lost 1-2 | -171414 |
| 3standard | 447 | Baker, Jonathan (1392) | Lost 0-2 | -181396 |
| 4standard | 497 | Ellis, Zechariah (1489) | Lost 1-2 | -171379 |
| average opponent: 1468record: 0-3-1 | new rating: 1379 | |||
| Grand Prix Washington DC 2017 (HOU standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 73 | DeVarney, Sean (1436) | Won 2-1 | +171517 |
| 2standard | 73 | Rittle, Frank (1518) | Draw 1-1 | 01517 |
| 3standard | 73 | Wakelee, Mike (1672) | Lost 0-2 | -151502 |
| 4standard | 73 | Koziol, Joshua (1390) | Lost 1-2 | -201482 |
| 5standard | 73 | Yudt, Jack (1482) | Lost 0-2 | -181464 |
| 6standard | 73 | Deveau, Ryan (1469) | Lost 0-2 | -181446 |
| 7standard | 73 | Levering, Derek (1447) | Lost 0-2 | -181428 |
| 8standard | 73 | Rothweiler, Zachary (1525) | Lost 0-2 | -161412 |
| 9standard | 73 | DeVoll, Harrison (1430) | Won 2-0 | +181430 |
| average opponent: 1485record: 2-6-1 | new rating: 1430 | |||