Welch, John
Current rating: 1478
Record: 6-7-1
| Grand Prix Baltimore 2014 (KTK limited) | starting rating: 1514 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 52 | Wu, Dalton (1581) | Lost 1-2 | -171497 |
| 2sealed | 333 | Van, Jasper (1483) | Lost 1-2 | -181479 |
| 3sealed | 574 | Smith, Zachary (1429) | Won 2-0 | +171496 |
| 4sealed | 484 | Foster, Jennifer (1468) | Lost 0-2 | -181478 |
| 5sealed | 465 | Enten, Alexander (1466) | Won 2-0 | +181496 |
| 6sealed | 379 | Fleischmann-Rose, David (1516) | Lost 0-2 | -181478 |
| average opponent: 1490record: 2-4 | new rating: 1478 | |||
| Grand Prix Baltimore 2012 (DKA standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 6 | Raffington, Andre (1500) | Won 2-1 | +181518 |
| 2standard | 23 | Puhlman, Ashley M (1520) | Won 2-1 | +181536 |
| 3standard | 154 | Frye, Bryan J (1521) | Lost 0-2 | -181518 |
| 4standard | 491 | Steckley, Andrew (1454) | Won 2-1 | +171535 |
| 5standard | 177 | Beaver, Kelly (1483) | Lost 1-2 | -191516 |
| 6standard | 448 | Senter, Brandon (1518) | Won 2-0 | +181534 |
| 7standard | 314 | Gates, Brandon M (1516) | Lost 1-2 | -191515 |
| 8standard | 315 | Mingin, Shane (1454) | Draw 1-1 | -11514 |
| average opponent: 1496record: 4-3-1 | new rating: 1514 | |||