Feldkamp, Greg
Current rating: 1547
| Grand Prix Cleveland 2019 (RNA limited) | starting rating: 1501 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 2 | Funke, Adam (1500) | Won 2-1 | +181519 |
| 2sealed | 225 | Liazuk, Michael (1459) | Won 2-0 | +171536 |
| 3sealed | 102 | Casto, Timothy (1487) | Lost 1-2 | -191517 |
| 4sealed | 378 | Schneider, Justin (1921) | Lost 0-2 | -111506 |
| 5sealed | 400 | Luu, Mike (1454) | Won 2-0 | +171523 |
| 6sealed | 307 | Suntheimer, Zoe (1528) | Lost 0-2 | -181505 |
| 7sealed | 308 | DeMars, Brian (1706) | Won 2-0 | +221527 |
| 8sealed | 200 | Lam, Tony (Nghia) (1649) | Won 2-1 | +201547 |
| top | average opponent: 1588record: 5-3 | new rating: 1547 | ||
| Grand Prix Milwaukee 2016 (KLD limited) | starting rating: 1562 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 355 | Barhorst, Alex (1481) | Lost 0-2 | -191543 |
| 2sealed | 497 | Hoffer, John (1482) | Won 2-0 | +171560 |
| 3sealed | 400 | Simmons, Mark (1441) | Lost 0-2 | -211539 |
| 4sealed | 453 | Brait, Gaston (1482) | Lost 0-2 | -191520 |
| 5sealed | 512 | Freeman, Steven (1464) | Lost 0-2 | -191501 |
| top | average opponent: 1470record: 1-4 | new rating: 1501 | ||
| Grand Prix Cleveland 2015 (FRF limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 104 | Zanon, Jason (1500) | Draw 1-1 | 01500 |
| 2sealed | 427 | Gilmore, Brian (1498) | Won 2-1 | +181518 |
| 3sealed | 401 | Szymanski, Andrew (1526) | Won 2-1 | +181536 |
| 4sealed | 207 | Bowers, Joseph (1624) | Won 2-0 | +201556 |
| 5sealed | 103 | Lambert, Dan (1539) | Won 2-0 | +171573 |
| 6sealed | 51 | Cuvelier, John (1966) | Draw 1-1 | +71580 |
| 7sealed | 146 | Monroe, Jonathan (1578) | Won 2-0 | +181598 |
| 8sealed | 85 | Elliott, Garth (1635) | Lost 0-2 | -171581 |
| 9sealed | 172 | Nelson, Geoffrey (1542) | Lost 0-2 | -191562 |
| top | average opponent: 1601record: 5-2-2 | new rating: 1562 | ||