Welch, Casey
Current rating: 1414
Record: 3-8
| Grand Prix Pittsburgh 2015 (modern) | starting rating: 1485 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 486 | Rashid, Taimur (1500) | Lost 0-2 | -181467 |
| 2modern | 742 | Rist, Elisha (1482) | Lost 0-2 | -181449 |
| 3modern | 1160 | Jones, Chase (1466) | Lost 0-2 | -171432 |
| 4modern | 1200 | Yoder, Tyler (1445) | Lost 0-2 | -181414 |
| average opponent: 1473record: 0-4 | new rating: 1414 | |||
| Grand Prix Cincinnati 2014 (BNG standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 71 | Florio, Kevin (1430) | Won 2-0 | +171517 |
| 2standard | 43 | Eckard, Devin (1529) | Lost 0-2 | -181499 |
| 3standard | 629 | Shi, Jin (1517) | Won 2-1 | +181517 |
| 4standard | 398 | Sutcliffe, Jeremy (1558) | Won 2-1 | +191536 |
| 5standard | 269 | Mccullough, Matthew (1784) | Lost 0-2 | -141522 |
| 6standard | 400 | Stewart, Neil (1517) | Lost 1-2 | -181504 |
| 7standard | 377 | Smith, William (1411) | Lost 0-2 | -191485 |
| average opponent: 1535record: 3-4 | new rating: 1485 | |||