Henderson, Adam
Current rating: 1447
| Grand Prix Tampa Bay 2019 (modern) | starting rating: 1435 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 166 | Terpening, Justin (1733) | Lost 0-2 | -131422 |
| 2modern | 276 | Molina, Wilberto (1656) | Won 2-1 | +231445 |
| 3modern | 325 | Bew, Alexander (1500) | Won 2-0 | +191464 |
| 4modern | 253 | Colon, Zacarias (1522) | Lost 1-2 | -171447 |
| top | average opponent: 1603record: 2-2 | new rating: 1447 | ||
| Grand Prix London 2018 (RIX limited) | starting rating: 1466 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 254 | Payn, Curtis (1500) | Lost 1-2 | -171449 |
| 2sealed | 533 | Casey, Sam (1482) | Won 1-0 | +181467 |
| 3sealed | 586 | Jourdan, Thibaut (1653) | Lost 0-2 | -141453 |
| 4sealed | 887 | Leech, Matthew (1481) | Lost 1-2 | -181435 |
| top | average opponent: 1529record: 1-3 | new rating: 1435 | ||
| Grand Prix Dallas-Fort Worth 2015 (ORI limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 47 | Templer, Nick (1500) | Lost 0-2 | -181482 |
| 2sealed | 479 | Garber, Matthew (1623) | Lost 0-2 | -151467 |
| 3sealed | 772 | Petit, Phillip (1489) | Won 2-1 | +181485 |
| 4sealed | 604 | Vargas, Thomas (1436) | Lost 0-2 | -191466 |
| top | average opponent: 1512record: 1-3 | new rating: 1466 | ||