Robens, Charles
Current rating: 1360
Record: 1-9
| Grand Prix Richmond 2017 (AKH limited) | starting rating: 1428 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 216 | Phalitnonkiat, Pakawat (1500) | Lost 1-2 | -171411 |
| 2sealed | 436 | Bowman, Thomas (1482) | Lost 1-2 | -161395 |
| 3sealed | 719 | Huffstetler, David (1360) | Lost 1-2 | -191376 |
| 4sealed | 739 | Roberts, Herman (1447) | Won 2-1 | +191395 |
| 5sealed | 653 | Fazio, Amanda (1401) | Lost 1-2 | -181377 |
| 6sealed | 634 | Fox, Kraig (1399) | Lost 1-2 | -171360 |
| average opponent: 1432record: 1-5 | new rating: 1360 | |||
| Grand Prix Richmond 2014 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 1154 | Foust, Jacob (1497) | Lost 0-2 | -181482 |
| 3modern | 1374 | Choo, Joe (1499) | Lost 0-2 | -181464 |
| 4modern | 1442 | Nice, Daniel 703 (1482) | Lost 0-2 | -171447 |
| 5modern | 1509 | Chitty, Matthew (1411) | Lost 0-2 | -191428 |
| average opponent: 1472record: 0-4 | new rating: 1428 | |||