Grabianowski, Edward
Current rating: 1408
| Grand Prix Toronto 2017 (HOU limited) | starting rating: 1413 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 382 | Preston, Chris (1500) | Won 2-1 | +201433 |
| 2sealed | 180 | Spencer, Lewis (1486) | Won 2-0 | +191452 |
| 3sealed | 35 | Abrams, Daniel (1642) | Lost 1-2 | -151437 |
| 4sealed | 289 | Suzuki, Ian (1519) | Won 2-0 | +191456 |
| 5sealed | 143 | Ross-Latour, Jeremie (1727) | Lost 1-2 | -131443 |
| 6sealed | 298 | Stewart, David (1472) | Lost 1-2 | -171426 |
| 7sealed | 399 | Fraser, Charles (1435) | Lost 0-2 | -181408 |
| top | average opponent: 1540record: 3-4 | new rating: 1408 | ||
| Grand Prix Cleveland 2015 (FRF limited) | starting rating: 1467 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 289 | Mowles, Jeremy (1500) | Won 2-0 | +191486 |
| 2sealed | 334 | White, Logan (1449) | Lost 1-2 | -191467 |
| 3sealed | 621 | Doggett, Troy (1440) | Lost 0-2 | -181449 |
| 4sealed | 647 | Mills, Jim (1453) | Lost 1-2 | -181431 |
| 5sealed | 702 | Hernandez, William-Isa (1433) | Lost 1-2 | -181413 |
| top | average opponent: 1455record: 1-4 | new rating: 1413 | ||
| Grand Prix Washington DC 2010 (ROE standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 922 | Curran, Suzi (1500) | Lost 1-2 | -181482 |
| 2standard | 896 | Miller, Brent (1537) | Won 2-0 | +191501 |
| 3standard | 915 | Balsizer, Cody (1500) | Won 2-0 | +181519 |
| 4standard | 845 | Davis, Todd (1654) | Lost 0-2 | -161503 |
| 5standard | 879 | McDonough, Anthony (1508) | Lost 0-2 | -171486 |
| 6standard | 896 | Pinkney, Matt (1481) | Lost 0-2 | -191467 |
| top | average opponent: 1530record: 2-4 | new rating: 1467 | ||