Rahn, Greg
Current rating: 1433
Record: 9-15-1
| Grand Prix Minneapolis 2017 (HOU standard) | starting rating: 1456 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 96 | Moua, Burly (1500) | Won 2-0 | +191475 |
| 3standard | 157 | Peck, Arthur (1822) | Lost 0-2 | -121463 |
| 4standard | 315 | Clymer, Jason (1617) | Lost 0-2 | -151448 |
| 5standard | 321 | Jurewicz, Brad (1504) | Lost 0-2 | -171431 |
| 6standard | 441 | Heggen, Joshua (1445) | Lost 1-2 | -181413 |
| 7standard | 419 | Kurkowski, Jim (1462) | Won 2-0 | +191432 |
| 8standard | 312 | Bonfe, Julio (1482) | Draw 1-1 | +11433 |
| top | average opponent: 1548record: 2-4-1 | new rating: 1433 | ||
| Grand Prix Toronto 2017 (HOU limited) | starting rating: 1458 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 276 | Beatty, Robert (1832) | Won 2-0 | +241482 |
| 3sealed | 63 | Lee-Genest, Sacha (1532) | Won 2-0 | +191501 |
| 4sealed | 40 | Watson, Keith (1542) | Lost 0-2 | -171484 |
| 5sealed | 237 | Mondello, Jake (1770) | Lost 0-2 | -131471 |
| 6sealed | 372 | Dreblow, Caroline (1532) | Lost 0-2 | -171454 |
| 7sealed | 379 | Lee, Alan [CAN] (1498) | Won 2-1 | +191473 |
| 8sealed | 267 | Anstett, Daniel (1528) | Lost 0-2 | -171456 |
| top | average opponent: 1605record: 3-4 | new rating: 1456 | ||
| Grand Prix Minneapolis 2016 (SOI standard) | starting rating: 1511 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 277 | Rudi, Bernard (1519) | Won 2-0 | +181529 |
| 3standard | 114 | Castro, Robert (1498) | Lost 1-2 | -181511 |
| 4standard | 377 | Marsh, Alexander (1483) | Lost 1-2 | -191492 |
| 5standard | 537 | Stonestreet, Taylor (1586) | Lost 0-2 | -161476 |
| 6standard | 535 | Goyette, David (1481) | Lost 1-2 | -181458 |
| top | average opponent: 1513record: 1-4 | new rating: 1458 | ||
| Grand Prix Madison 2015 (BFZ limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 1052 | Guild, David (1600) | Lost 0-2 | -161484 |
| 2sealed | 1040 | Brekke, Eric (1490) | Won 2-0 | +181502 |
| 3sealed | 1058 | Doran, Joel (1499) | Won 2-0 | +181520 |
| 4sealed | 1029 | Fior, Daniel (2019) | Lost 0-2 | -101510 |
| 5sealed | 1030 | Ruenger, Joshua (1562) | Won 2-0 | +191529 |
| 6sealed | 1026 | Goldman, Maxwell (1523) | Lost 0-2 | -181511 |
| top | average opponent: 1615record: 3-3 | new rating: 1511 | ||