Johnson, Logan
Current rating: 1427
Record: 3-7
| Grand Prix Dallas-Fort Worth 2011 (MBS standard) | starting rating: 1499 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 66 | Sewell, Anthony L (1482) | Lost 0-2 | -181481 |
| 2standard | 369 | May, Parker (1497) | Lost 1-2 | -181463 |
| 3standard | 461 | Medford, Ronald (1463) | Lost 0-2 | -181445 |
| 4standard | 552 | Horton, Ken (1446) | Lost 1-2 | -181427 |
| average opponent: 1472record: 0-4 | new rating: 1427 | |||
| Grand Prix Columbus 2004 (DST limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 114 | Hoel, Kyle (1500) | Won 2-1 | +181518 |
| 2sealed | 46 | Huffnagle, Nathan (1536) | Lost 0-2 | -181500 |
| 3sealed | 268 | Hilty, Bevan (1483) | Won 2-0 | +181518 |
| 4sealed | 109 | Baker, Jeff (1576) | Lost 0-2 | -171501 |
| 5sealed | 214 | Martinez, Peter (1462) | Won 2-1 | +171518 |
| 6sealed | 136 | Ribar, Ammi (1438) | Lost 0-2 | -191499 |
| average opponent: 1499record: 3-3 | new rating: 1499 | |||