Kostanich, Steven
Current rating: 1480
Record: 1-2-1
| Grand Prix Miami 2013 (DGM standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 241 | Mosier, Matt (1500) | Won 2-0 | +181518 |
| 2standard | 99 | Feulner, Michael (1515) | Lost 0-2 | -181500 |
| 3standard | 263 | Chapnick, Aaron (1419) | Draw 1-1 | -21498 |
| 4standard | 397 | Marchesano, Marco (1497) | Lost 0-2 | -181480 |
| average opponent: 1483record: 1-2-1 | new rating: 1480 | |||