Trumble, Christopher
Current rating: 1430
Record: 4-8
| Grand Prix Cleveland 2019 (RNA limited) | starting rating: 1463 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 207 | Jacob, Amber (1500) | Lost 1-2 | -181445 |
| 2sealed | 296 | Rorabacher, Bruce (1483) | Won 2-1 | +191464 |
| 3sealed | 328 | Waller, Justin (1432) | Lost 0-2 | -191445 |
| 4sealed | 460 | Doshi, Vivek (1575) | Lost 0-2 | -151430 |
| average opponent: 1497record: 1-3 | new rating: 1430 | |||
| Grand Prix Washington DC 2017 (HOU standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 159 | Vulfs, Justin (1500) | Lost 0-2 | -181482 |
| 2standard | 437 | McGaffey, Kenneth (1466) | Lost 0-2 | -181464 |
| 3standard | 730 | Boro, Isaac (1463) | Lost 1-2 | -181446 |
| 4standard | 735 | Renner, Bob (1447) | Won 2-0 | +181464 |
| 5standard | 716 | Cooper, Dustin (1444) | Won 2-0 | +171481 |
| 6standard | 563 | Cozad, Kobe (1478) | Won 2-1 | +181499 |
| 7standard | 525 | Johns, Dylan (1476) | Lost 1-2 | -181481 |
| 8standard | 469 | Friedman, Gene (1463) | Lost 0-2 | -181463 |
| average opponent: 1467record: 3-5 | new rating: 1463 | |||