Cotton, Jonathan
Current rating: 1546
| Grand Prix Louisville 2017 (legacy) | starting rating: 1536 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 417 | Hamelin-Lachapelle, Arnaud (1500) | Won 2-0 | +171553 |
| 2legacy | 470 | Parson, Ken (1425) | Lost 1-2 | -201533 |
| 3legacy | 823 | Kipp, Andrew (1491) | Won 2-1 | +171550 |
| 4legacy | 595 | Corrigan, Colby (1470) | Lost 1-2 | -191531 |
| 5legacy | 707 | Stien, Ryan (1603) | Lost 1-2 | -171514 |
| 6legacy | 820 | Paris, Donald (1369) | Won 2-0 | +151529 |
| 7legacy | 666 | Szatkowski, David (1353) | Won 2-1 | +151544 |
| 8legacy | 706 | Lentini, Kendrick (1684) | Lost 1-2 | -151529 |
| 9legacy | 684 | Stuart, Steve (1515) | Won 2-0 | +171546 |
| top | average opponent: 1490record: 5-4 | new rating: 1546 | ||
| Grand Prix Cincinnati 2014 (BNG standard) | starting rating: 1463 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 485 | Williams, Austin (1481) | Won 2-0 | +191482 |
| 2standard | 222 | Fang, Harrison (1600) | Won 2-0 | +201502 |
| 3standard | 65 | Nichols, Sean (1495) | Won 2-0 | +181520 |
| 4standard | 109 | Johnson, Jon (1742) | Won 2-1 | +221542 |
| 5standard | 45 | York, Tyler (1564) | Won 2-1 | +181560 |
| 6standard | 20 | Carlson, Lukas (1850) | Won 2-1 | +231583 |
| 7standard | 19 | Parson, Lukas (1789) | Lost 1-2 | -141569 |
| 8standard | 31 | Roberts, Mackenzie (1560) | Lost 1-2 | -181551 |
| 9standard | 100 | Johnson-Epstein, Jasper (1717) | Lost 0-2 | -151536 |
| top | average opponent: 1644record: 6-3 | new rating: 1536 | ||
| Grand Prix Charlotte 2013 (GTC limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 826 | Wooten, Deandre (1461) | Won 2-0 | +171517 |
| 2sealed | 938 | Murphy, Wesley (1518) | Lost 1-2 | -181499 |
| 3sealed | 1098 | Seners, Remi (1500) | Lost 0-2 | -181481 |
| 4sealed | 1151 | LeDuc, Cassandra (1482) | Lost 1-2 | -181463 |
| top | average opponent: 1490record: 1-3 | new rating: 1463 | ||