Jacobson-Heck, Matthew
Current rating: 1465
Record: 3-5
| Grand Prix Phoenix 2017 (XLN limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 87 | Lombardi, Anthony (1714) | Lost 0-2 | -141486 |
| 2sealed | 265 | Chrisler, Lindsay (1436) | Won 2-0 | +171503 |
| 3sealed | 309 | Cranford, Clayton (1500) | Won 2-0 | +181521 |
| 4sealed | 306 | Lowish, Thomas (1518) | Lost 1-2 | -181503 |
| 5sealed | 387 | Arcia, Rex (1507) | Won 2-0 | +181521 |
| 6sealed | 246 | Castorini, Victor (1456) | Lost 1-2 | -191502 |
| 7sealed | 288 | Mitchell, Julian (1499) | Lost 1-2 | -181484 |
| 8sealed | 343 | Katz, Jamie (1463) | Lost 0-2 | -191465 |
| average opponent: 1512record: 3-5 | new rating: 1465 | |||