Heitzman, Eric
Current rating: 1432
Record: 11-15
| Grand Prix Oakland 2019 (modern) | starting rating: 1427 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 7 | Tran, Dai (1540) | Lost 1-2 | -161411 |
| 2modern | 342 | Conover, Kenneth (1482) | Won 2-0 | +201431 |
| 3modern | 333 | Drew, Zachary (1422) | Won 2-1 | +181449 |
| 4modern | 236 | O'Brien, Victor (1517) | Lost 1-2 | -171432 |
| top | average opponent: 1490record: 2-2 | new rating: 1432 | ||
| Grand Prix San Jose 2017 (AER limited) | starting rating: 1480 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 103 | Bieza, Brian (1500) | Lost 0-1 | -171463 |
| 2sealed | 476 | Mah, Kenji (1481) | Lost 0-2 | -181445 |
| 3sealed | 811 | Kelly, Sean 695 (1464) | Won 2-0 | +181463 |
| 4sealed | 678 | Vasquez, Willie (1414) | Lost 1-2 | -191444 |
| 5sealed | 712 | Kendall, John (1498) | Lost 0-2 | -171427 |
| top | average opponent: 1471record: 1-4 | new rating: 1427 | ||
| Grand Prix Las Vegas 2015 (2) (MM2 limited) | starting rating: 1499 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 191 | Higley, Michael (1518) | Won 2-0 | +191518 |
| 2sealed | 143 | Umeda, Kota (1500) | Lost 1-2 | -191499 |
| 3sealed | 261 | Bian, Andrew (1423) | Won 2-0 | +171516 |
| 4sealed | 200 | Mathews, Andrew (1593) | Lost 0-2 | -171499 |
| 5sealed | 182 | Chow, Harold (1447) | Lost 0-2 | -191480 |
| top | average opponent: 1496record: 2-3 | new rating: 1480 | ||
| Grand Prix Sacramento 2014 (THS limited) | starting rating: 1520 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 318 | Knadler, Johnny (1479) | Lost 0-2 | -191501 |
| 2sealed | 408 | Jew, Brian (1481) | Lost 0-2 | -181483 |
| 3sealed | 525 | Francalanci, Lorenzo (1464) | Won 2-1 | +171500 |
| 4sealed | 415 | Dorn, Victoria (1449) | Won 2-1 | +181518 |
| 5sealed | 239 | Manriki, Chase (1501) | Lost 1-2 | -191499 |
| top | average opponent: 1475record: 2-3 | new rating: 1499 | ||
| Grand Prix Oakland 2013 (M14 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 311 | Freeman, Jimmy (1500) | Won 2-1 | +181518 |
| 2sealed | 107 | Chung, Samuel (1500) | Lost 0-2 | -181500 |
| 3sealed | 539 | Bundy, Robert (1500) | Won 2-1 | +181518 |
| 4sealed | 99 | Bieker, Tor (1503) | Lost 1-2 | -191499 |
| 5sealed | 506 | Chen, Eric (1584) | Won 2-1 | +201519 |
| 6sealed | 476 | Ennis, Antonio (1555) | Won 2-1 | +191538 |
| 7sealed | 196 | Huang, Jeff (1555) | Lost 1-2 | -181520 |
| top | average opponent: 1528record: 4-3 | new rating: 1520 | ||