Johnson, Stone
Current rating: 1479
Record: 4-5
| Grand Prix Miami 2013 (DGM standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 169 | Pancoast, Jason (1445) | Won 2-1 | +171517 |
| 2standard | 147 | Rodrigues, Jeff (1500) | Lost 1-2 | -181499 |
| 3standard | 410 | Laystrom, William (1500) | Lost 1-2 | -181481 |
| 4standard | 516 | Cloke, Justin (1499) | Won 2-1 | +181499 |
| 5standard | 421 | Leigh, James (1432) | Lost 0-2 | -191480 |
| 6standard | 396 | Arriaga, Alfonso (1482) | Won 2-1 | +181498 |
| 7standard | 351 | Grayson, Paul (1500) | Won 2-0 | +181516 |
| 8standard | 243 | Diaz III, Elias (1454) | Lost 1-2 | -191497 |
| 9standard | 224 | Rivera, Dalton (1501) | Lost 0-2 | -181479 |
| average opponent: 1479record: 4-5 | new rating: 1479 | |||