Winkelman, Philip
Current rating: 1477
| Grand Prix Madison 2015 (BFZ limited) | starting rating: 1495 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 93 | Ledger, Matthew (1464) | Lost 0-2 | -181477 |
| 2sealed | 438 | Riddle, Chris (1527) | Won 2-0 | +181495 |
| 3sealed | 540 | Damico, Daniel (1500) | Lost 0-2 | -171478 |
| 4sealed | 534 | Hansen, Anthony (1465) | Won 2-0 | +171495 |
| 5sealed | 566 | Demers, Jordan (1500) | Lost 0-2 | -181477 |
| top | average opponent: 1491record: 2-3 | new rating: 1477 | ||
| Grand Prix Columbus 2010 (legacy) | starting rating: 1536 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 463 | Reynolds, Arthur W (1500) | Lost 1-2 | -191517 |
| 2legacy | 600 | Hart, Ryan C (1483) | Lost 1-2 | -191498 |
| 3legacy | 669 | Blankenship, Adam (1463) | Won 2-1 | +181516 |
| 4legacy | 662 | Lechiara, Kenneth (1373) | Lost 1-2 | -211495 |
| top | average opponent: 1455record: 1-3 | new rating: 1495 | ||
| Grand Prix Minneapolis 2009 (ZEN limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 7 | Jensen, Matthew D (1500) | Won 2-0 | +181518 |
| 2sealed | 291 | Taylor, George N (1486) | Lost 0-2 | -191499 |
| 3sealed | 236 | Lindmark, Rhys (1504) | Lost 0-2 | -181481 |
| 4sealed | 450 | Devlin, Matt (1470) | Won 2-0 | +181499 |
| 5sealed | 266 | Durrin, Randi L (1499) | Won 2-0 | +181517 |
| 6sealed | 231 | Schmidt, Gary (1531) | Won 2-0 | +191536 |
| 7sealed | 136 | erickson, mike l (1554) | Won 2-0 | +181554 |
| 8sealed | 64 | Klatt, Rylan (1543) | Lost 0-2 | -181536 |
| top | average opponent: 1511record: 5-3 | new rating: 1536 | ||