Welch, Blake
Current rating: 1486
Record: 3-4
| Grand Prix Oklahoma City 2017 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 308 | Baca, Dillon Matthew (1563) | Won 2-0 | +191519 |
| 2modern | 104 | Pritt, Matthew (1567) | Lost 0-2 | -171502 |
| 3modern | 503 | Dame, Matthew (1586) | Won 2-1 | +201522 |
| 4modern | 213 | Bonura, Joseph (1500) | Won 2-1 | +171539 |
| 5modern | 194 | Renteria, Reggie (1549) | Lost 0-2 | -181521 |
| 6modern | 344 | Nance, Will (1541) | Lost 0-2 | -171504 |
| 7modern | 383 | Messer, Kaleb (1502) | Lost 1-2 | -181486 |
| average opponent: 1544record: 3-4 | new rating: 1486 | |||