Welborn, Arthur
Current rating: 1481
Record: 4-5
| Grand Prix Montreal 2007 (Time Spiral block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 170 | Polis, Trevor J (1500) | Lost 1-2 | -181482 |
| 2block | 192 | Bertin, Josh (1482) | Won 2-0 | +181500 |
| 3block | 168 | Cavaco, Mark N (1500) | Won 2-0 | +181518 |
| 4block | 173 | Cliche-Lamoureux, Simon (1517) | Lost 1-2 | -181500 |
| 5block | 210 | Alario, Anthony J (1508) | Lost 0-2 | -181482 |
| 6block | 207 | Fasth, Jon Kristofer (1481) | Lost 1-2 | -181464 |
| 7block | 185 | Noel, Keven (1419) | Lost 0-1 | -191445 |
| 8block | 150 | Maxwell, Brent (1446) | Won 0-0 | +181463 |
| 9block | 114 | Ricciardi, John-Carlo (1463) | Won 0-0 | +181481 |
| average opponent: 1480record: 4-5 | new rating: 1481 | |||