Cooper, John
Current rating: 1550
Record: 15-13-1
| Grand Prix Pittsburgh 2015 (modern) | starting rating: 1554 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 179 | Bernal, Joseph (1744) | Won 2-1 | +211575 |
| 4modern | 146 | Long, Robert (1691) | Won 2-0 | +201595 |
| 5modern | 74 | Flink, Chris (1709) | Lost 0-2 | -161579 |
| 6modern | 151 | Cohen, Justin (1906) | Lost 1-2 | -121567 |
| 7modern | 336 | Kelley, Joshua (1611) | Lost 1-2 | -171550 |
| top | average opponent: 1732record: 2-3 | new rating: 1550 | ||
| Grand Prix Baltimore 2014 (KTK limited) | starting rating: 1495 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 184 | Barger, Brent (1500) | Won 2-0 | +181513 |
| 2sealed | 32 | Baquero, Andy (1624) | Won 2-0 | +201533 |
| 3sealed | 78 | Edelkamp, Fred (1797) | Won 2-1 | +231556 |
| 4sealed | 81 | Sudendorf, Vanessa (1495) | Lost 1-2 | -191537 |
| 5sealed | 125 | Johnson, James A (1535) | Won 2-0 | +181555 |
| 6sealed | 116 | Margolis, Max (1505) | Lost 0-2 | -191536 |
| 7sealed | 216 | Sundstrom, Mark (1502) | Won 2-0 | +171553 |
| 8sealed | 136 | Burns, Jacob (1560) | Won 2-0 | +181571 |
| 9sealed | 82 | Buchholz, Evan (1597) | Lost 0-2 | -171554 |
| top | average opponent: 1568record: 6-3 | new rating: 1554 | ||
| Grand Prix New Jersey 2014 (legacy) | starting rating: 1498 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 140 | Vasisht, Eshaan (1500) | Won 2-1 | +181516 |
| 2legacy | 182 | Koh, Guangyong (1544) | Won 2-0 | +181534 |
| 3legacy | 23 | Olson, Jeremy (1501) | Lost 1-2 | -181516 |
| 4legacy | 206 | Strassman, Mark (1518) | Lost 0-2 | -181498 |
| 5legacy | 362 | Majercik, Andrew (1503) | Won 2-0 | +181516 |
| 6legacy | 314 | McKenney-Lydick, Driscoll (1519) | Lost 1-2 | -181498 |
| 7legacy | 279 | Lux, Jason (1445) | Draw 1-1 | -11497 |
| 8legacy | 253 | Brooks, Donald (1442) | Won 2-0 | +171514 |
| 9legacy | 183 | Laufer, Max (1466) | Lost 0-2 | -191495 |
| top | average opponent: 1493record: 4-4-1 | new rating: 1495 | ||
| Grand Prix Montreal 2014 (BNG limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 167 | Blackwell, Jeremy (1464) | Lost 0-2 | -191481 |
| 2sealed | 167 | Savard, Jean-Philippe (1442) | Lost 0-2 | -181463 |
| 3sealed | 167 | Maodus, Marcus (1464) | Won 2-0 | +181481 |
| 4sealed | 167 | Bouchard, Gabriel (1482) | Won 2-0 | +181499 |
| 5sealed | 167 | Sandrin, Ryan (1484) | Won 2-0 | +171516 |
| 6sealed | 244 | Bisson, Steeve (1483) | Lost 0-2 | -181498 |
| top | average opponent: 1470record: 3-3 | new rating: 1498 | ||