Lewis, Samuel
Current rating: 1387
| Grand Prix Richmond 2017 (AKH limited) | starting rating: 1436 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 197 | Illig, Greg (1500) | Won 2-0 | +201456 |
| 2sealed | 282 | Osso, Stephen (1457) | Lost 0-2 | -181438 |
| 3sealed | 426 | Woods, Mark (1472) | Lost 1-2 | -181420 |
| 4sealed | 699 | Unterman, Matthew (1410) | Lost 1-2 | -181402 |
| 5sealed | 649 | Vollmar, Curtis (1469) | Lost 0-2 | -171385 |
| 6sealed | 644 | Embury, Maxwell (1378) | Won 2-0 | +181403 |
| 7sealed | 572 | Frank, Andrew (1507) | Lost 0-2 | -161387 |
| top | average opponent: 1456record: 2-5 | new rating: 1387 | ||
| Grand Prix Las Vegas 2015 (1) (MM2 limited) | starting rating: 1407 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 156 | Jolicoeur, Alec (1500) | Lost 1-2 | -161391 |
| 2sealed | 355 | Walmsley, Steven (1472) | Won 2-1 | +191410 |
| 3sealed | 300 | Kim, Joshua [USA] (1499) | Won 2-0 | +201430 |
| 4sealed | 215 | Salas, Andrew (1450) | Draw 1-1 | 01430 |
| 5sealed | 229 | Pascoe, Vincent (1488) | Won 2-0 | +191449 |
| 6sealed | 140 | Tan, James (1734) | Lost 1-2 | -131436 |
| top | average opponent: 1524record: 3-2-1 | new rating: 1436 | ||
| Grand Prix Atlantic City 2015 (DTK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 405 | Pentz, Brian (1481) | Lost 1-2 | -181482 |
| 2sealed | 455 | Inda, Joshua (1570) | Won 2-0 | +191501 |
| 3sealed | 384 | Cochran, Nicholas (1500) | Lost 0-2 | -181483 |
| 4sealed | 534 | Avilla, Anthony (1402) | Lost 1-2 | -191464 |
| 5sealed | 621 | Williams, Justin (1460) | Lost 0-2 | -181446 |
| 6sealed | 523 | Rivera, David (1396) | Lost 0-2 | -191427 |
| 7sealed | 414 | Ali, Rebecca (1342) | Lost 0-2 | -201407 |
| top | average opponent: 1450record: 1-6 | new rating: 1407 | ||