Ruark, Kurt
Current rating: 1392
| Grand Prix Milwaukee 2018 (GRN standard) | starting rating: 1442 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 374 | Soiret, Sean (1479) | Lost 1-2 | -181424 |
| 2standard | 331 | Mound, Ryan (1445) | Lost 0-2 | -171407 |
| 3standard | 620 | Burzynski, Charlie (1459) | Won 2-0 | +191426 |
| 4standard | 425 | Multhauf, Amy (1481) | Lost 1-2 | -171409 |
| 5standard | 542 | Hacek, Kyle (1466) | Lost 1-2 | -171392 |
| top | average opponent: 1466record: 1-4 | new rating: 1392 | ||
| Grand Prix Orlando 2018 (M19 standard) | starting rating: 1455 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 257 | Hunnewell, Brandon (1500) | Lost 0-2 | -171438 |
| 2standard | 297 | Lomangino, Fred (1528) | Lost 0-2 | -171421 |
| 3standard | 451 | Orlando, Brian (1463) | Won 2-0 | +191440 |
| 4standard | 380 | Bueno-Coto, Bolivar (1482) | Lost 1-2 | -171423 |
| 5standard | 396 | Koford, Joel (1466) | Won 2-1 | +191442 |
| top | average opponent: 1488record: 2-3 | new rating: 1442 | ||
| Grand Prix Omaha 2017 (AKH standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 111 | Litfin, Robert (1534) | Lost 0-2 | -171483 |
| 2standard | 228 | Siglock, Robert (1416) | Lost 0-2 | -201463 |
| 3standard | 380 | Gleason, Karl (1464) | Lost 0-2 | -181445 |
| 4standard | 386 | Howard, Josh (1425) | Won 2-0 | +181463 |
| 5standard | 347 | Sanford, Robert (1349) | Lost 1-2 | -201443 |
| 6standard | 341 | Whitlock, Tristan (1244) | Won 2-0 | +141457 |
| 7standard | 288 | Senrick, Charles (1469) | Lost 0-2 | -171440 |
| 8standard | 270 | Richter, Kyle 266 (1329) | Won 2-0 | +161456 |
| 9standard | 219 | Witte, Steve (1411) | Draw 1-1 | -11455 |
| top | average opponent: 1404record: 3-5-1 | new rating: 1455 | ||