Haefner, Ralph
Current rating: 1510
Record: 6-6
| Grand Prix Minneapolis 2005 (Kamigawa block) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 122 | Kosel, Brady (1500) | Won 2-1 | +191483 |
| 2block | 70 | Stojak, Peter (1519) | Won 2-1 | +191502 |
| 3block | 36 | Zampere Junior, Celso (1653) | Lost 1-2 | -161486 |
| 4block | 94 | Sandvold, David (1518) | Won 2-0 | +191505 |
| 5block | 55 | Russell, Conner (1520) | Lost 0-2 | -181487 |
| 6block | 85 | Ryherd, Bruce (1519) | Lost 0-2 | -171470 |
| 7block | 88 | Corbo, Quade (1499) | Won 2-0 | +181488 |
| 8block | 65 | Parnell, Taylor (1661) | Won 2-0 | +221510 |
| average opponent: 1549record: 5-3 | new rating: 1510 | |||
| Grand Prix Minneapolis 2001 (Invasion block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 17 | Bartkowicz, Chris (1483) | Lost 1-2 | -181482 |
| 2block | 140 | Opalk, Ryan (1482) | Lost 0-2 | -181464 |
| 4block | 157 | Tomechko, Scott (1481) | Won 2-1 | +181482 |
| 5block | 100 | Flores, Tim (1502) | Lost 1-2 | -181464 |
| average opponent: 1487record: 1-3 | new rating: 1464 | |||