Waldhaus, Timothy
Current rating: 1413
Record: 2-7
| Grand Prix Portland 2013 (modern) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 318 | Wheaton, Patrick (1500) | Lost 1-2 | -171447 |
| 2modern | 271 | Graham, David (1481) | Lost 0-2 | -181429 |
| 3modern | 358 | Oliveiro, Stephen M (1441) | Lost 0-2 | -171412 |
| 4modern | 454 | Harris, Skyler (1445) | Lost 1-2 | -181394 |
| 5modern | 425 | Roureit, Logan (1429) | Won 2-0 | +191413 |
| average opponent: 1459record: 1-4 | new rating: 1413 | |||
| Grand Prix Portland 2010 (M11 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 326 | Arrowsmith, Michael (1500) | Lost 0-2 | -181482 |
| 2sealed | 559 | Richards, Michelle (1482) | Lost 0-2 | -181464 |
| 3sealed | 571 | Perryman, Fred (1466) | Won 2-0 | +181482 |
| 4sealed | 506 | Sharman, Dana (1481) | Lost 0-2 | -181464 |
| average opponent: 1482record: 1-3 | new rating: 1464 | |||