Johnson, Marc
Current rating: 1446
Record: 1-4
| Grand Prix Salt Lake City 2012 (DKA standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 113 | Miles, Bert L (1519) | Won 2-1 | +181518 |
| 2standard | 281 | Tucker, Joel E (1518) | Lost 0-2 | -181500 |
| 3standard | 358 | Colvin, Robert (1499) | Lost 0-2 | -181482 |
| 4standard | 498 | Owens, Chris (1464) | Lost 1-2 | -181464 |
| 5standard | 474 | Freebairn, Edison (1447) | Lost 0-2 | -181446 |
| average opponent: 1489record: 1-4 | new rating: 1446 | |||