Piers, Ben
Current rating: 1414
Record: 6-11
| Grand Prix Vancouver 2016 (OGW limited) | starting rating: 1444 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 188 | Milligan, Eric (1500) | Lost 0-2 | -171427 |
| 2sealed | 478 | Parnell, Shay (1459) | Won 2-0 | +191446 |
| 3sealed | 513 | Kreutzwieser, Skylar (1498) | Lost 0-0 | -171429 |
| 4sealed | 724 | Collins, Troy (1482) | Lost 1-2 | -171412 |
| 5sealed | 707 | Frederiksson, Anthony (1463) | Won 2-1 | +191431 |
| 6sealed | 571 | Skog, James (1482) | Won 2-1 | +191450 |
| 7sealed | 457 | Muir, Brandon (1427) | Lost 1-2 | -191431 |
| 8sealed | 464 | Stone, Tim (1490) | Lost 0-2 | -171414 |
| average opponent: 1475record: 3-5 | new rating: 1414 | |||
| Grand Prix Seattle-Tacoma 2015 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 625 | Salazar, Aric (1500) | Lost 0-2 | -181482 |
| 2legacy | 743 | Brady, Kyle (1482) | Lost 0-2 | -181464 |
| 3legacy | 917 | Spurlock, Brian (1494) | Won 2-1 | +191483 |
| 4legacy | 763 | Ballard, Larry (1388) | Lost 1-2 | -201463 |
| 5legacy | 805 | Warford, Christopher Chad (1383) | Won 2-0 | +161479 |
| 6legacy | 601 | Boggs, Steven (1454) | Won 2-0 | +181497 |
| 7legacy | 518 | Tamblyn, Alex (1642) | Lost 0-2 | -151482 |
| 8legacy | 390 | Snider, Jason (1411) | Lost 0-2 | -201462 |
| 9legacy | 345 | Easton, Jaesun (1461) | Lost 1-2 | -181444 |
| average opponent: 1468record: 3-6 | new rating: 1444 | |||