Henderson, Andrew
Current rating: 1437
Record: 3-7
| Grand Prix Minneapolis 2018 (M19 limited) | starting rating: 1450 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 368 | Pilat, Larry (1466) | Lost 1-2 | -181432 |
| 2sealed | 323 | Trembath, Sean (1487) | Won 2-1 | +191451 |
| 3sealed | 493 | Popp, Grant (1506) | Lost 0-2 | -171434 |
| 4sealed | 594 | McCue, Vincent (1425) | Lost 0-2 | -181416 |
| 5sealed | 522 | Bollman, Matthew (1466) | Won 2-0 | +191435 |
| 6sealed | 448 | Runningen, Daniel (1492) | Won 2-0 | +191454 |
| 7sealed | 341 | Newland, Dan (1520) | Lost 0-2 | -171437 |
| average opponent: 1480record: 3-4 | new rating: 1437 | |||
| Grand Prix Memphis 2018 (RIX standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 252 | Rucker, Darren (1666) | Lost 1-2 | -151485 |
| 2standard | 299 | Pfleging, Alex (1476) | Lost 0-2 | -181467 |
| 3standard | 504 | Martin, Jason (1509) | Lost 0-2 | -171450 |
| average opponent: 1551record: 0-3 | new rating: 1450 | |||