Demuth, Lucas
Current rating: 1378
Record: 2-9-2
| Grand Prix Atlanta 2018 (modern) | starting rating: 1448 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 125 | Smith, Bruce (1529) | Lost 0-2 | -171431 |
| 2modern | 496 | Varghese, James (1482) | Lost 0-2 | -171414 |
| 3modern | 669 | Foster, Corey (1448) | Lost 0-2 | -171397 |
| 4modern | 725 | Gay, Kevin (1385) | Lost 1-2 | -191378 |
| average opponent: 1461record: 0-4 | new rating: 1378 | |||
| Grand Prix Indianapolis 2015 (BFZ standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 81 | Voorhies, Franklyn (1412) | Lost 0-2 | -201480 |
| 2standard | 380 | Webb, Blaikley (1482) | Lost 0-2 | -181462 |
| 3standard | 477 | Kingsley, Kevin (1618) | Lost 0-2 | -151447 |
| 4standard | 511 | Dimino, Michael (1432) | Draw 1-1 | 01447 |
| 5standard | 470 | Jeffries, James (1447) | Lost 0-2 | -181429 |
| 6standard | 413 | Seed, Huckleberry (1555) | Lost 1-2 | -161413 |
| 7standard | 352 | Felice, Seth (1429) | Won 2-1 | +191432 |
| 8standard | 280 | Randolph, Ray (1371) | Draw 1-1 | -21430 |
| 9standard | 234 | Voss, James (1388) | Won 0-0 | +181448 |
| average opponent: 1459record: 2-5-2 | new rating: 1448 | |||