Cook, Chris
Current rating: 1441
| Grand Prix Houston 2016 (OGW standard) | starting rating: 1448 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 655 | Gee, Marcus (1743) | Won 2-0 | +231471 |
| 3standard | 271 | McKee, Bodie (1455) | Lost 0-2 | -181453 |
| 4standard | 384 | Carter, Tyler (1518) | Won 2-1 | +191472 |
| 5standard | 157 | Day, Jaxon (1587) | Lost 1-2 | -161456 |
| 6standard | 347 | Barker, Ari (1466) | Lost 0-2 | -171439 |
| 7standard | 491 | DeRose, Dominick (1502) | Won 2-0 | +191458 |
| 8standard | 433 | Rodriguez, Jordan (1527) | Lost 0-2 | -171441 |
| top | average opponent: 1542record: 3-4 | new rating: 1441 | ||
| Grand Prix San Antonio 2012 (RTR standard) | starting rating: 1503 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 254 | Tong, Hao (1500) | Won 2-0 | +181521 |
| 2standard | 3 | Wang, Daren (1518) | Lost 0-2 | -181503 |
| 3standard | 255 | Horton, Cody (1497) | Won 2-1 | +181521 |
| 4standard | 230 | Bush, Eric (1668) | Lost 0-2 | -161505 |
| 5standard | 232 | Luster, Patrick (1378) | Lost 1-2 | -201485 |
| 6standard | 261 | Aguilar, Elliot (1482) | Lost 1-2 | -181467 |
| 7standard | 236 | Linebarger, Jeremiah (1412) | Lost 1-2 | -191448 |
| 8standard | 202 | Defoor, Buster (1446) | Won 2-1 | +181466 |
| 9standard | 169 | Riggs, Michael (1474) | Lost 1-2 | -181448 |
| top | average opponent: 1486record: 3-6 | new rating: 1448 | ||
| Grand Prix Boston-Worcester 2012 (M13 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 321 | Michael V., (1500) | Lost 0-2 | -181482 |
| 2sealed | 618 | Pelletier, Nick (1482) | Won 2-1 | +181500 |
| 3sealed | 628 | O'Shea, Andrew (1500) | Lost 1-2 | -181482 |
| 4sealed | 657 | Stapp, Noah (1484) | Lost 1-2 | -181464 |
| 5sealed | 724 | GASPER, RYAN (1463) | Won 2-0 | +181482 |
| 6sealed | 540 | Evans, Christopher (1466) | Won 2-0 | +181500 |
| 7sealed | 413 | DeRoche, Chris (1603) | Won 2-0 | +201520 |
| 8sealed | 302 | Remillard, Michel (1594) | Lost 0-2 | -171503 |
| top | average opponent: 1512record: 4-4 | new rating: 1503 | ||