Leffers, Pieter
Current rating: 1469
Record: 2-4
| Grand Prix Seattle-Tacoma 2015 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 201 | Elliott, James (1614) | Won 2-1 | +201520 |
| 2legacy | 468 | Shing, Wilson (1465) | Lost 0-2 | -191501 |
| 3legacy | 453 | Kiene, Thomas (1693) | Lost 1-2 | -141487 |
| 4legacy | 648 | Kling, Matthew (1515) | Won 2-1 | +181505 |
| 5legacy | 502 | Savvingou-Pangas, Mike (1526) | Lost 1-2 | -181487 |
| 6legacy | 681 | Orick, Forrest (1482) | Lost 0-2 | -181469 |
| average opponent: 1549record: 2-4 | new rating: 1469 | |||