Johnson, Mark1816
Current rating: 1469
Record: 3-5
| Grand Prix Madison 2019 (WAR limited) | starting rating: 1479 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 52 | Bolstad, Brandon (1463) | Won 2-1 | +181497 |
| 2sealed | 167 | Latif, Mehran (1636) | Lost 0-2 | -151482 |
| 3sealed | 248 | Lee, Andrew (1447) | Won 2-0 | +171499 |
| 4sealed | 227 | Dains, Dillon (1640) | Lost 0-2 | -151484 |
| 5sealed | 261 | Woldeyesus, Michael (1508) | Won 2-0 | +181502 |
| 6sealed | 214 | Behrens, Joseph (1567) | Lost 0-2 | -171485 |
| 7sealed | 204 | Colley, Urchin (1601) | Lost 0-2 | -161469 |
| average opponent: 1552record: 3-4 | new rating: 1469 | |||
| Grand Prix Las Vegas 2017 (limited) (AKH limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 2127 | Smith, Brian (1355) | Lost 0-2 | -211479 |
| record: 0-1 | new rating: 1479 | |||