Roach, Charles
Current rating: 1418
Record: 12-17-1
| Grand Prix Oklahoma City 2017 (modern) | starting rating: 1485 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 78 | Lucas, Sean (1444) | Lost 1-2 | -191466 |
| 2modern | 562 | Wand, Kevin (1507) | Won 2-1 | +191485 |
| 3modern | 451 | McConnell, Justin (1469) | Lost 1-2 | -181467 |
| 4modern | 534 | Solis, Juan (1572) | Lost 0-2 | -161451 |
| 5modern | 582 | Molina, John (1482) | Lost 1-2 | -181433 |
| 6modern | 570 | Williams, Matthew (1561) | Lost 0-2 | -161417 |
| 7modern | 527 | Farrar, Roger (1428) | Won 2-0 | +191436 |
| 8modern | 447 | Whitaker, Charity (1444) | Lost 0-2 | -181418 |
| top | average opponent: 1488record: 2-6 | new rating: 1418 | ||
| Grand Prix Oklahoma City 2013 (THS limited) | starting rating: 1524 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 198 | Lewis, Brian (1500) | Lost 0-2 | -181506 |
| 2sealed | 514 | Schwendiman, Josh (1482) | Won 2-1 | +171523 |
| 3sealed | 357 | Mlinac, Chris (1386) | Won 2-1 | +161539 |
| 4sealed | 319 | Boyd, Adam (1670) | Won 2-1 | +201559 |
| 5sealed | 207 | Nuttall, Jordan (1534) | Lost 1-2 | -181541 |
| 6sealed | 293 | Yuen, Michael (1521) | Lost 0-2 | -191522 |
| 7sealed | 357 | Fenter, Remington (1539) | Lost 0-2 | -171505 |
| 8sealed | 321 | Camire, Phillip (1410) | Lost 0-2 | -201485 |
| top | average opponent: 1505record: 3-5 | new rating: 1485 | ||
| Grand Prix San Antonio 2012 (RTR standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 50 | Castro, Franc (1500) | Won 2-1 | +181518 |
| 2standard | 141 | Phillips, Joshua (1483) | Draw 1-1 | -11517 |
| 3standard | 120 | Dorsey, Dominic (1518) | Won 2-0 | +181535 |
| 4standard | 96 | Broussard, Shawn (1524) | Won 2-0 | +181553 |
| 5standard | 51 | Sullano, Andrew (1576) | Won 2-0 | +191572 |
| 6standard | 25 | Martinez, Bryan (1564) | Won 2-1 | +171589 |
| 7standard | 13 | Calcano, Christian (1894) | Won 2-0 | +241613 |
| 8standard | 7 | May, Parker (1612) | Lost 0-2 | -181595 |
| 9standard | 22 | Ganz, Andreas (1807) | Lost 0-2 | -141581 |
| 10standard | 53 | Dorsett, Zachariah (1569) | Lost 0-2 | -191562 |
| 11standard | 56 | Pettit, Terry (1549) | Lost 0-2 | -181544 |
| 12standard | 60 | Vazquez, Juan (1584) | Lost 0-2 | -171527 |
| 14standard | 54 | Vi, Henry (1417) | Won 2-1 | +161543 |
| 15standard | 47 | Farmer, Ben (1503) | Lost 0-2 | -191524 |
| top | average opponent: 1578record: 7-6-1 | new rating: 1524 | ||