Koon, Stephen
Current rating: 1376
Record: 1-4 (GP) / 1-7 (professional)
| Pro Tour Aether Revolt (AER standard) | starting rating: 1450 | |||
| round | table | opponent (rating) | result | Δrating |
| 1draft | 34 | Vieren, Peter (2004) | Lost 1-2 | -91441 |
| 2draft | 35 | Bosley, Ian (1931) | Lost 0-2 | -101431 |
| 3draft | 35 | Klisiwecz, Michael (1427) | Lost 1-2 | -181413 |
| 4standard | 193 | Hatto, Steve (1789) | Lost 0-2 | -111402 |
| 5standard | 202 | Behrens, Kai (1471) | Lost 0-2 | -171385 |
| 6standard | 211 | Van Patten, Caleb (1471) | Lost 1-2 | -161369 |
| 7standard | 203 | Fernandes Ferraz, Diego (1701) | Lost 1-2 | -121357 |
| 8standard | 189 | Abatianni, Nicolo (1413) | Won 2-0 | +191376 |
| average opponent: 1651record: 1-7 | new rating: 1376 | |||
| Grand Prix Louisville 2017 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 3legacy | 640 | Bacala, Stephen (1577) | Lost 0-2 | -171483 |
| 4legacy | 700 | Andersen, Christoffer (1742) | Lost 1-2 | -131470 |
| 5legacy | 764 | LeDonne, Gregory (1460) | Won 2-0 | +181488 |
| 6legacy | 705 | Lesko, Ryan (1528) | Lost 0-2 | -171471 |
| 7legacy | 760 | Niazi, Xander (1328) | Lost 0-2 | -211450 |
| average opponent: 1527record: 1-4 | new rating: 1450 | |||