Channing, Harry
Current rating: 1445
Record: 3-6
| Grand Prix Philadelphia 2014 (BNG limited) | starting rating: 1481 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 444 | Lorenz, Alex (1481) | Won 2-1 | +181499 |
| 2sealed | 233 | Fitchko, William (1578) | Lost 0-2 | -171482 |
| 3sealed | 600 | Ricco, Tara (1383) | Lost 1-2 | -191463 |
| 4sealed | 777 | Stojak, Peter (1462) | Lost 0-2 | -181445 |
| average opponent: 1476record: 1-3 | new rating: 1445 | |||
| Grand Prix Boston-Worcester 2012 (M13 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 552 | PICKEL, TOM (1500) | Won 2-1 | +181518 |
| 2sealed | 419 | Repp, Peter A (1454) | Lost 1-2 | -191499 |
| 3sealed | 338 | Lippitt, Ethan (1503) | Lost 0-2 | -181481 |
| 4sealed | 732 | Trundy, Jordan (1486) | Won 2-0 | +181499 |
| 5sealed | 620 | Longo, Tyler (1493) | Lost 0-2 | -181481 |
| average opponent: 1487record: 2-3 | new rating: 1481 | |||