Duan, Johnny
Current rating: 1433
| Grand Prix Las Vegas 2015 (1) (MM2 limited) | starting rating: 1448 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 198 | Stewart, Jim (1467) | Won 2-1 | +181466 |
| 2sealed | 128 | Perez, Michael (1418) | Lost 1-2 | -191447 |
| 3sealed | 273 | Siedschlag, Cassandra (1500) | Won 2-0 | +191466 |
| 4sealed | 186 | Jones, Jonathan (1563) | Lost 0-2 | -161450 |
| 5sealed | 177 | Geil, Dan (1503) | Lost 0-2 | -171433 |
| top | average opponent: 1490record: 2-3 | new rating: 1433 | ||
| Grand Prix Oakland 2013 (M14 limited) | starting rating: 1483 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 352 | Roque, Rico (1500) | Lost 1-2 | -181465 |
| 2sealed | 292 | Kado, Brandon (1482) | Lost 0-2 | -171448 |
| top | average opponent: 1491record: 0-2 | new rating: 1448 | ||
| Grand Prix Las Vegas 2013 (MMA limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 505 | Warman, Joshua (1500) | Lost 0-2 | -181482 |
| 2sealed | 942 | Cox, Tyler (1481) | Won 2-1 | +181500 |
| 3sealed | 821 | Kaff, Bryce (1562) | Lost 0-2 | -171483 |
| top | average opponent: 1514record: 1-2 | new rating: 1483 | ||