Dunham, Nathan
Current rating: 1543
Record: 13-11
| Grand Prix Toronto 2015 (DTK standard) | starting rating: 1546 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 188 | Theall, Stephen (1500) | Lost 0-2 | -181528 |
| 2standard | 582 | Boyd, Pheret (1516) | Won 1-0 | +171545 |
| 3standard | 456 | Matthews, Chris (1486) | Won 2-1 | +171562 |
| 4standard | 193 | Szafranko, Patrick (1519) | Lost 1-2 | -191543 |
| top | average opponent: 1505record: 2-2 | new rating: 1543 | ||
| Grand Prix Ottawa 2014 (KTK limited) | starting rating: 1509 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 329 | Seagram, Jason (1479) | Won 2-0 | +181527 |
| 2sealed | 151 | Murray, Justin (1434) | Won 2-0 | +161543 |
| 3sealed | 38 | Lau, Toby (1552) | Won 2-0 | +181561 |
| 4sealed | 101 | Ceh, Tomislav (1554) | Lost 0-2 | -181543 |
| 5sealed | 212 | Hebert, Justin (1547) | Won 2-1 | +181561 |
| 6sealed | 128 | Lussier, Alexandre (1648) | Won 2-0 | +201581 |
| 7sealed | 43 | McInnis, Myles (1593) | Lost 0-2 | -181563 |
| 8sealed | 121 | Poupart, Olivier (1636) | Lost 0-2 | -171546 |
| top | average opponent: 1555record: 5-3 | new rating: 1546 | ||
| Grand Prix Montreal 2014 (BNG limited) | starting rating: 1506 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 324 | Sigrist, Christian (1566) | Lost 0-2 | -171489 |
| 2sealed | 589 | Cooper, Simon W (1587) | Won 2-0 | +201509 |
| 3sealed | 488 | Smith, Chris [CAN] (1542) | Won 2-0 | +191528 |
| 4sealed | 225 | Choi, Jerome (1524) | Lost 1-2 | -191509 |
| top | average opponent: 1555record: 2-2 | new rating: 1509 | ||
| Grand Prix Toronto 2013 (THS limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 385 | Rajan, Aswin (1500) | Won 2-0 | +181518 |
| 2sealed | 588 | Watson, Brad (1718) | Won 2-1 | +221540 |
| 3sealed | 138 | Priest, Eli (1712) | Won 2-1 | +211561 |
| 4sealed | 119 | Worrall, Ryan (1554) | Lost 0-2 | -181543 |
| 5sealed | 162 | Nixon, Jon R (1536) | Lost 1-2 | -191524 |
| 6sealed | 413 | Mantey, Tyler (1632) | Won 2-0 | +201544 |
| 7sealed | 233 | Langdon, Jeff (1535) | Lost 1-2 | -181526 |
| 8sealed | 279 | Kuster, Thomas (1402) | Lost 0-2 | -201506 |
| top | average opponent: 1574record: 4-4 | new rating: 1506 | ||