Foss, Keith
Current rating: 1502
Record: 12-13
| Grand Prix Milwaukee 2016 (KLD limited) | starting rating: 1481 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 410 | Cole, Bryan (1426) | Lost 0-2 | -191462 |
| 2sealed | 507 | Fuller, Joseph (1481) | Won 2-1 | +181480 |
| 3sealed | 331 | Ranallo, Tony (1665) | Lost 1-2 | -141466 |
| 4sealed | 467 | Tomechko, Scott (1345) | Won 2-0 | +161482 |
| 5sealed | 442 | Plomp, Matthew (1469) | Won 2-0 | +171499 |
| 6sealed | 351 | Abitante, George (1622) | Lost 1-2 | -151484 |
| 7sealed | 295 | Herrera, Gregory (1482) | Lost 1-2 | -181466 |
| 8sealed | 352 | Fredrichsen, Drew (1505) | Won 2-0 | +181484 |
| 9sealed | 272 | Sanchez, Sage (1497) | Won 2-1 | +181502 |
| top | average opponent: 1499record: 5-4 | new rating: 1502 | ||
| Grand Prix Indianapolis 2016 (modern) | starting rating: 1450 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 323 | Boggs, Terry (1500) | Won 2-0 | +191469 |
| 2modern | 292 | Link, David (1518) | Won 2-1 | +191488 |
| 3modern | 323 | Snell, Andrew (1630) | Won 2-0 | +211509 |
| 4modern | 168 | Seals, Chris (1553) | Won 2-1 | +191528 |
| 5modern | 39 | Hare, Ryan (1617) | Lost 0-2 | -171511 |
| 6modern | 220 | Spartz, Michael (1592) | Won 2-1 | +201531 |
| 7modern | 69 | Fernandez, Aaron (1573) | Lost 0-2 | -181513 |
| 8modern | 268 | Berkenbile, Sam (1570) | Lost 0-2 | -161497 |
| 9modern | 214 | Weber, Ethan (1637) | Lost 0-2 | -161481 |
| top | average opponent: 1577record: 5-4 | new rating: 1481 | ||
| Grand Prix Chicago 2012 (modern) | starting rating: 1467 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 87 | Frodermann, Andrew (1500) | Lost 0-2 | -171450 |
| 2modern | 283 | Lopez, Eric (1482) | Won 2-0 | +181468 |
| 3modern | 333 | Barnes, Toby (1500) | Won 2-0 | +191487 |
| 4modern | 354 | Sondag, Brian (1536) | Lost 0-2 | -171470 |
| 5modern | 288 | Towns, Travis (1398) | Lost 0-2 | -201450 |
| top | average opponent: 1483record: 2-3 | new rating: 1450 | ||
| Grand Prix Chicago 2009 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2legacy | 274 | Davis, Jim (1657) | Lost 1-2 | -151485 |
| 3legacy | 433 | Vogt, Nate (1501) | Lost 0-2 | -181467 |
| top | average opponent: 1579record: 0-2 | new rating: 1467 | ||