Mazereeuw, Daniel J
Current rating: 1517
Record: 4-3
| Grand Prix Seattle 2009 (ARB standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 318 | Hicks, Jeffrey (1500) | Lost 1-2 | -181482 |
| 2standard | 326 | Steffen, Greg (1481) | Won 2-0 | +181500 |
| 3standard | 243 | Cibrian, Roberto (1489) | Lost 1-2 | -181482 |
| 4standard | 451 | Phillips, Jarrett (1481) | Won 2-1 | +181500 |
| 5standard | 375 | Osherovich, Lev (1467) | Won 2-1 | +171517 |
| 6standard | 218 | Adams, Kenneth A (1488) | Won 2-0 | +181535 |
| 7standard | 162 | Rutherford, Brad (1538) | Lost 0-2 | -181517 |
| average opponent: 1492record: 4-3 | new rating: 1517 | |||