Hays, Robert L
Current rating: 1538
Record: 5-3
| Grand Prix Charlotte 2015 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 901 | Cummings, Alan (1500) | Won 2-1 | +181518 |
| 2modern | 889 | Phillips, Jerry (1518) | Won 2-1 | +181536 |
| 3modern | 812 | Achreja, Mohit (1468) | Won 2-0 | +171553 |
| 4modern | 745 | Hayes, Avery (1536) | Lost 1-2 | -191534 |
| 5modern | 793 | Nelson, Kyle (1538) | Won 2-0 | +191553 |
| 6modern | 738 | Gibbs, James (1540) | Lost 0-2 | -191534 |
| 7modern | 670 | Wheeler, Jesse (1486) | Won 2-1 | +171551 |
| 8modern | 640 | Fulk, David (1828) | Lost 0-2 | -131538 |
| average opponent: 1552record: 5-3 | new rating: 1538 | |||