Sapia, Mark
Current rating: 1464
Record: 5-8
| Grand Prix New Jersey 2018 (GRN standard) | starting rating: 1428 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 94 | Whaley, Christopher (1527) | Won 2-1 | +201448 |
| 2standard | 139 | Schriever, Daniel (1598) | Lost 0-2 | -161432 |
| 3standard | 462 | Klimas, Conor (1500) | Won 2-0 | +201452 |
| 4standard | 301 | Normandin, Ryan (1515) | Won 2-0 | +191471 |
| 5standard | 150 | Barlow, David (1912) | Won 2-1 | +251496 |
| 6standard | 46 | Bova, Justin (1631) | Lost 1-2 | -151481 |
| 7standard | 216 | Frey, Richard (1574) | Lost 0-2 | -171464 |
| average opponent: 1608record: 4-3 | new rating: 1464 | |||
| Grand Prix Providence 2018 (M19 standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 12 | Webb, Mark (1551) | Lost 1-2 | -171483 |
| 2standard | 213 | Ailes, Nicholas (1552) | Lost 1-2 | -171466 |
| 3standard | 323 | McCullum, Devin (1464) | Won 2-0 | +181484 |
| 4standard | 315 | Maughan, Cole (1487) | Lost 1-2 | -181466 |
| 5standard | 300 | Avants, John (1333) | Lost 1-2 | -201446 |
| 6standard | 283 | Giles, Robert (1446) | Lost 0-2 | -181428 |
| average opponent: 1472record: 1-5 | new rating: 1428 | |||