Penny, Eric
Current rating: 1453
| Grand Prix Toronto 2018 (modern) | starting rating: 1507 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 480 | Brixey, Christopher (1519) | Lost 0-2 | -181489 |
| 2modern | 623 | Lomboy, Marcus (1482) | Lost 1-2 | -181471 |
| 3modern | 725 | Lessard, John (1466) | Lost 0-2 | -181453 |
| top | average opponent: 1489record: 0-3 | new rating: 1453 | ||
| Grand Prix Detroit 2016 (modern) | starting rating: 1537 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 796 | Kuhn, Kory (1504) | Lost 1-2 | -181519 |
| 2modern | 817 | Anderson, Morgan (1345) | Lost 1-2 | -221497 |
| 3modern | 1071 | Drews, John (1443) | Won 2-1 | +171514 |
| 4modern | 983 | Catalano, Jeffrey (1356) | Won 2-1 | +161530 |
| 5modern | 560 | Hartley, Billy (1501) | Won 2-1 | +171547 |
| 6modern | 680 | Robinson, Chris (1416) | Lost 1-2 | -201527 |
| 7modern | 587 | Vanderjagt, Zachary (1506) | Lost 1-2 | -191508 |
| 8modern | 680 | Pecora, Gerald (1466) | Lost 1-2 | -181490 |
| 9modern | 632 | Janky, Gabriel (1447) | Won 2-0 | +171507 |
| top | average opponent: 1443record: 4-5 | new rating: 1507 | ||
| Grand Prix Pittsburgh 2015 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 668 | Van Alstine, Aaron (1500) | Won 2-0 | +181518 |
| 2modern | 111 | Heil, William (1519) | Won 2-1 | +181536 |
| 3modern | 365 | Dashner, Michael (1476) | Lost 0-2 | -191517 |
| 4modern | 324 | Connolly, Denny (1536) | Lost 1-2 | -181499 |
| 5modern | 882 | Ganapathy, Ananthakrishnan (1480) | Won 2-1 | +181517 |
| 6modern | 563 | Kleeves, Andrew (1527) | Won 2-1 | +181535 |
| 7modern | 302 | Bruce, Alexander (1538) | Won 2-1 | +181553 |
| 8modern | 254 | Carle, Ian (1666) | Lost 0-2 | -161537 |
| top | average opponent: 1530record: 5-3 | new rating: 1537 | ||