McMahon, Chris
Current rating: 1550
Record: 9-6
| Grand Prix Washington DC 2017 (HOU standard) | starting rating: 1534 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 343 | Naze, Marcin (1540) | Won 2-0 | +181552 |
| 2standard | 296 | Sato, Yugo (1528) | Won 2-1 | +181570 |
| 3standard | 228 | Rivera, Terrence (1494) | Lost 0-2 | -201550 |
| 4standard | 279 | Faust, Josh (1622) | Won 2-0 | +201570 |
| 5standard | 350 | Vinson, Gary (1463) | Won 2-1 | +161586 |
| 6standard | 70 | Bernett, Evan (1501) | Won 2-0 | +161602 |
| 7standard | 111 | Pullman, Jack (1640) | Lost 0-2 | -171585 |
| 8standard | 97 | Boland, Cole (1608) | Lost 0-2 | -181567 |
| 9standard | 277 | Pospichal, Levi (1636) | Lost 1-2 | -171550 |
| average opponent: 1559record: 5-4 | new rating: 1550 | |||
| Grand Prix Kansas City 1999 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 4extended | 88 | McConnell, Alex (1482) | Won 0-0 | +181518 |
| 5extended | 28 | de Jesus, Brett (1518) | Won 0-0 | +181536 |
| 6extended | 43 | Gilly, Sammy (1503) | Won 0-0 | +171553 |
| 7extended | 26 | NoBel, Trevor (1518) | Won 0-0 | +171570 |
| 8extended | 14 | Koschak, Robert (1541) | Lost 0-0 | -181552 |
| 9extended | 21 | Hoffman, Heath (1554) | Lost 0-0 | -181534 |
| average opponent: 1519record: 4-2 | new rating: 1534 | |||