Shapiro, Jack
Current rating: 1435
Record: 11-15
| Grand Prix Charlotte 2015 (modern) | starting rating: 1488 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 805 | Tsao, Jeffrey (1534) | Lost 1-2 | -181470 |
| 4modern | 956 | Watley, Jordan (1432) | Lost 0-2 | -181452 |
| 5modern | 907 | Brakenwagen, Vince (1500) | Lost 1-2 | -171435 |
| top | average opponent: 1488record: 0-3 | new rating: 1435 | ||
| Grand Prix Washington DC 2014 (JOU limited) | starting rating: 1545 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 286 | O'Dell, Luke (1448) | Lost 0-2 | -201525 |
| 2sealed | 543 | Fraize, Noah (1482) | Won 2-0 | +171542 |
| 3sealed | 512 | Jennings, Dylan (1535) | Lost 1-2 | -181524 |
| 4sealed | 547 | Plier, James (1514) | Lost 0-2 | -181506 |
| 5sealed | 526 | Merrick, Liam (1498) | Lost 1-2 | -181488 |
| top | average opponent: 1495record: 1-4 | new rating: 1488 | ||
| Grand Prix Richmond 2014 (modern) | starting rating: 1570 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 117 | Herron, Josh (1500) | Lost 0-2 | -191551 |
| 2modern | 453 | Bieringer, Michael (1409) | Lost 1-2 | -211530 |
| 3modern | 655 | Rodriguez, Eric (1464) | Won 2-1 | +171547 |
| 4modern | 623 | Cox, Richard (1482) | Won 2-0 | +171564 |
| 5modern | 462 | Seiber, Alex (1502) | Lost 1-2 | -191545 |
| top | average opponent: 1471record: 2-3 | new rating: 1545 | ||
| Grand Prix Washington DC 2013 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 262 | Mapson, Michael (1500) | Lost 0-2 | -181482 |
| 2legacy | 534 | Glenn, Laura (1394) | Lost 1-2 | -201462 |
| 3legacy | 769 | Benton, Austin (1464) | Won 2-0 | +181480 |
| 4legacy | 722 | Smith, Buddy (1507) | Won 2-0 | +191499 |
| 5legacy | 537 | Nichols, Griffin (1499) | Won 2-0 | +181517 |
| 6legacy | 391 | Silverstein, Zacharie (1484) | Won 2-0 | +171534 |
| 7legacy | 348 | Turner, Tim (1524) | Won 2-1 | +181552 |
| 8legacy | 211 | Stern, Jon (2024) | Won 2-0 | +261578 |
| 9legacy | 68 | Kang, Brian (1598) | Won 2-1 | +181596 |
| 10legacy | 40 | Mackl, Valentin (1971) | Lost 0-2 | -111585 |
| 11legacy | 95 | Lee, Chris (1550) | Lost 0-2 | -191566 |
| 12legacy | 116 | Neiman, Luis (1667) | Won 2-0 | +201586 |
| 13legacy | 80 | Pogue, James (1684) | Lost 1-2 | -161570 |
| top | average opponent: 1605record: 8-5 | new rating: 1570 | ||