Westenberg, Fred
Current rating: 1511
Record: 6-6
| Grand Prix Seattle 2019 (MH1 limited) | starting rating: 1509 | |||
| round | table | opponent (rating) | result | Δrating |
| B1sealed | 441 | Walker, Pierce (1693) | Won 2-0 | +211530 |
| B2sealed | 410 | Simonson, Erik (1568) | Lost 1-2 | -171513 |
| B3sealed | 435 | Arendall, Charles (1455) | Won 2-1 | +171530 |
| B4sealed | 170 | Pall-Pareek, Aditya (1468) | Won 2-1 | +171547 |
| B5sealed | 169 | Gadzinski, Grae (1545) | Lost 0-2 | -181529 |
| B6sealed | 280 | Gardner, Michael (1537) | Lost 0-2 | -181511 |
| average opponent: 1544record: 3-3 | new rating: 1511 | |||
| Grand Prix San Jose 2017 (AER limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 556 | Wimpenny, Daniel (1500) | Lost 1-2 | -181482 |
| 2sealed | 528 | Robles, Alex (1490) | Won 2-0 | +181500 |
| 3sealed | 654 | Sulak, Andrew (1610) | Won 2-0 | +201520 |
| 4sealed | 388 | Smalley, Tyler (1625) | Won 2-1 | +201540 |
| 5sealed | 353 | Wiitanen, Josh (1837) | Lost 0-2 | -131527 |
| 6sealed | 375 | Schmidt, Evan (1516) | Lost 0-2 | -181509 |
| average opponent: 1596record: 3-3 | new rating: 1509 | |||