Peck, Donald
Current rating: 1565
Record: 9-6-1
| Grand Prix Kansas City 2019 (WAR standard) | starting rating: 1585 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 68 | Matteson, Max (1500) | Won 2-0 | +161601 |
| 2standard | 128 | Bush, James (1689) | Lost 1-2 | -161585 |
| 3standard | 201 | Dreger, Seth (1486) | Lost 1-2 | -201565 |
| average opponent: 1558record: 1-2 | new rating: 1565 | |||
| Grand Prix Las Vegas 2015 (2) (MM2 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 189 | Baker, Brian (1568) | Won 2-0 | +191519 |
| 4sealed | 111 | Shipley, Harry (1421) | Lost 1-2 | -201499 |
| 5sealed | 94 | Romanowski, Richard (1522) | Lost 1-2 | -171482 |
| 6sealed | 273 | Shrader, Lance (1593) | Won 2-1 | +201502 |
| 7sealed | 166 | Sargent, Timothy (1591) | Won 2-1 | +191521 |
| 8sealed | 155 | Coyston, Brad (1522) | Won 2-0 | +191540 |
| 9sealed | 78 | Garcia, John Hayden (1570) | Won 2-0 | +181558 |
| 10draft | 64 | Hwa, Ti Yung (1659) | Lost 1-2 | -161542 |
| 11draft | 137 | Freeman, Zackery (1645) | Won 2-0 | +201562 |
| 12draft | 130 | Calver, Byron (1649) | Lost 1-2 | -171545 |
| 13draft | 3 | Henry, Jason (1580) | Won 2-1 | +191564 |
| 14draft | 88 | Freeman, Zackery (1661) | Won 2-0 | +201584 |
| 15draft | 91 | Ng, Wei Qiang (1625) | Draw 1-1 | +11585 |
| average opponent: 1585record: 8-4-1 | new rating: 1585 | |||