Chalmers, Mike
Current rating: 1506
| Grand Prix Las Vegas 2015 (2) (MM2 limited) | starting rating: 1545 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 27 | Simon, Sholanda (1500) | Won 2-0 | +181563 |
| 2sealed | 100 | Chan, Thomas (1646) | Lost 0-2 | -171546 |
| 3sealed | 376 | Quinlan, Thomas (1527) | Won 2-1 | +181564 |
| 4sealed | 316 | Bertone, Christopher (1522) | Lost 1-2 | -191545 |
| 5sealed | 332 | Conaboy, Patrick (1472) | Lost 1-2 | -191526 |
| 6sealed | 318 | Martin, Sebastian (1434) | Lost 0-2 | -201506 |
| top | average opponent: 1517record: 2-4 | new rating: 1506 | ||
| Grand Prix Washington DC 2014 (JOU limited) | starting rating: 1526 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 384 | Martin, Aaron [USA] (1546) | Won 2-0 | +181544 |
| 2sealed | 276 | Ingram, Michael (1607) | Won 2-0 | +191563 |
| 3sealed | 89 | Baker, Albert (1570) | Won 2-1 | +181581 |
| 4sealed | 97 | Kreft, Joe (1564) | Lost 1-2 | -181563 |
| 5sealed | 198 | Gauthier, Robert (1534) | Lost 1-2 | -191544 |
| 6sealed | 346 | Courtright, Kevin (1581) | Won 2-0 | +191563 |
| 7sealed | 269 | Duprez, Dean (1582) | Lost 0-2 | -181545 |
| top | average opponent: 1569record: 4-3 | new rating: 1545 | ||
| Grand Prix Charlotte 2013 (GTC limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 894 | Baker, Christopher (1500) | Won 2-1 | +181518 |
| 3sealed | 782 | Parson, Lukas (1776) | Won 2-1 | +231541 |
| 4sealed | 763 | Sunell, Jeremy J (1487) | Won 2-1 | +171558 |
| 5sealed | 720 | Aintrazi, Ali (1814) | Lost 0-2 | -141544 |
| 6sealed | 779 | Johnson, Christian M (1552) | Won 2-1 | +181562 |
| 7sealed | 706 | Hutton, Daniel (1543) | Lost 1-2 | -181544 |
| 8sealed | 382 | William L., (1518) | Lost 1-2 | -181526 |
| top | average opponent: 1599record: 4-3 | new rating: 1526 | ||