Cook, William
Current rating: 1274
| Grand Prix Chicago 2014 (JOU standard) | starting rating: 1352 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 106 | Bruce, Daniel (1500) | Lost 0-2 | -151337 |
| 2standard | 319 | Young, David (1482) | Lost 0-2 | -151322 |
| 3standard | 415 | Vang, Tee (1448) | Lost 0-2 | -161306 |
| 4standard | 468 | Olivares, Daniel (1413) | Lost 0-2 | -161290 |
| 5standard | 428 | Flint, Austin (1429) | Lost 0-0 | -161274 |
| top | average opponent: 1454record: 0-5 | new rating: 1274 | ||
| Grand Prix Cincinnati 2014 (BNG standard) | starting rating: 1429 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 29 | Hoeninghausen, Jacob (1500) | Lost 0-2 | -161413 |
| 2standard | 577 | McKee, Thomas (1448) | Lost 0-2 | -181395 |
| 3standard | 779 | Lowe, Ryan (1464) | Won 2-0 | +191414 |
| 4standard | 580 | LaDouceur, Christian (1439) | Lost 0-2 | -171397 |
| 5standard | 717 | Steele, CJ (1649) | Lost 0-2 | -141383 |
| 6standard | 607 | Briggs, Paul (1448) | Lost 1-2 | -161367 |
| 7standard | 524 | Vaughn, Michael (1416) | Lost 0-2 | -171350 |
| 8standard | 434 | Metcalf, Bobby (1409) | Lost 0-1 | -171333 |
| 9standard | 355 | Lodato, Jack (1425) | Won 2-0 | +191352 |
| top | average opponent: 1466record: 2-7 | new rating: 1352 | ||
| Grand Prix Richmond 2014 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 364 | Swain, Josh (1518) | Lost 1-2 | -181482 |
| 3modern | 379 | Alaniz, Nicholas (1501) | Lost 0-2 | -171465 |
| 4modern | 635 | Sears, Matthew (1482) | Lost 1-2 | -181447 |
| 5modern | 595 | Litz, Ben (1464) | Lost 0-2 | -181429 |
| top | average opponent: 1491record: 0-4 | new rating: 1429 | ||