Mattson, Ray
Current rating: 1481
Record: 4-5
| Grand Prix Louisville 2017 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 561 | Heise, Cameron (1538) | Lost 1-2 | -171483 |
| 2legacy | 837 | Knetsche, Robbie (1482) | Lost 0-2 | -181465 |
| 3legacy | 991 | Bonifacio, Robert (1381) | Won 2-0 | +161481 |
| 4legacy | 879 | Hoang, Khai (1522) | Lost 1-2 | -171464 |
| 5legacy | 937 | Anderson, Kyle (1493) | Won 2-0 | +181482 |
| 6legacy | 892 | Tune, Alexander (1403) | Won 2-1 | +171499 |
| 7legacy | 686 | Lim, Alexander 288 (1503) | Lost 0-2 | -181481 |
| 8legacy | 742 | Schreiner, Jeremy (1486) | Lost 1-2 | -181463 |
| 9legacy | 736 | Wieseckel, Eric (1458) | Won 2-0 | +181481 |
| average opponent: 1474record: 4-5 | new rating: 1481 | |||