Howell, David J
Current rating: 1520
Record: 4-3
| Grand Prix San Francisco 2007 (Time Spiral block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 75 | Elling, Tanner (1500) | Won 2-1 | +181518 |
| 2block | 115 | lackey, justin (1518) | Won 2-0 | +181536 |
| 3block | 67 | Bechtel, Ray (1536) | Won 2-1 | +181554 |
| 4block | 54 | Miyamoto, Satoshi (1692) | Lost 1-2 | -151539 |
| 5block | 88 | Ochoa, Dustin (1447) | Lost 0-2 | -201519 |
| 6block | 116 | Koh, Ee Haow (1517) | Won 2-0 | +181537 |
| 7block | 86 | Downing, Steve (1584) | Lost 0-2 | -171520 |
| average opponent: 1542record: 4-3 | new rating: 1520 | |||