Campbell, Michael
Current rating: 1542
Record: 16-14-1
| Grand Prix Oklahoma City 2017 (modern) | starting rating: 1518 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 293 | Daniel, Bobby (1585) | Lost 0-2 | -171501 |
| 2modern | 539 | Nargi, Armando (1430) | Won 2-0 | +171518 |
| 3modern | 491 | Hafling, Andrew (1506) | Won 2-1 | +171535 |
| 4modern | 377 | Johnson, Versile (1508) | Lost 0-2 | -181517 |
| 5modern | 511 | Dixon, Paul (1491) | Won 2-0 | +171534 |
| 6modern | 263 | Simpson, Rusty (1503) | Won 2-0 | +181552 |
| 7modern | 189 | May, Parker (1776) | Won 2-1 | +221574 |
| 8modern | 68 | Longlais, Lucien (1812) | Lost 0-2 | -141560 |
| 9modern | 253 | Andes, Jacob (1548) | Lost 1-2 | -181542 |
| top | average opponent: 1573record: 5-4 | new rating: 1542 | ||
| Grand Prix Atlanta 2015 (BFZ limited) | starting rating: 1539 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 520 | Stieger, Richard (1500) | Won 2-1 | +181557 |
| 2sealed | 378 | Drain, Eric (1619) | Lost 0-2 | -171540 |
| 3sealed | 618 | Fortson, Glenn (1506) | Lost 1-2 | -191521 |
| 4sealed | 698 | Fang, Andrew (1404) | Won 2-1 | +161537 |
| 5sealed | 705 | Russell, Ronnie (1458) | Lost 0-2 | -191518 |
| top | average opponent: 1497record: 2-3 | new rating: 1518 | ||
| Grand Prix Vancouver 2012 (AVR limited) | starting rating: 1484 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 42 | Johnston, Troy (1500) | Won 2-0 | +191503 |
| 2sealed | 29 | Petter, Jeremy (1480) | Draw 1-1 | -11502 |
| 3sealed | 131 | Yorgason, Jason (1464) | Won 2-0 | +171519 |
| 4sealed | 111 | Lagimodiere, David (1500) | Lost 1-2 | -181501 |
| 5sealed | 185 | Kundu, Sumit (1518) | Won 2-1 | +181519 |
| 6sealed | 126 | Harrison, Adam (1522) | Won 2-0 | +181537 |
| 7sealed | 75 | Bian, Abel (1644) | Won 2-1 | +201557 |
| 8sealed | 46 | Rade, Remington (1541) | Lost 1-2 | -181539 |
| 9sealed | 88 | Jackel, Stephen (1555) | Won 2-0 | +181557 |
| 10draft | 34 | [anonymous] | Won 2-0 | +191576 |
| 11draft | 33 | Lewis, Mike (1559) | Lost 1-2 | -191557 |
| 12draft | 50 | Daniluck, Devin (1568) | Lost 0-2 | -171540 |
| 13draft | 31 | Gomez, Kevin (1570) | Won 2-1 | +181558 |
| 14draft | 35 | Alberg, Robin (1518) | Lost 0-2 | -191539 |
| top | average opponent: 1537record: 8-5-1 | new rating: 1539 | ||
| Grand Prix St. Louis 2006 (CSP limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 144 | Madrid, Carlos D (1500) | Lost 1-2 | -181482 |
| 2sealed | 136 | Edwards, Susan (1456) | Won 2-0 | +181500 |
| 3sealed | 142 | Shiels, David (1651) | Lost 0-2 | -161484 |
| top | average opponent: 1536record: 1-2 | new rating: 1484 | ||