Arnoldy, Mathew
Current rating: 1464
Record: 3-5
| Grand Prix Phoenix 2018 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 126 | Abt, Krystin (1500) | Lost 1-2 | -181482 |
| 2modern | 472 | Leversedge, Hank (1466) | Lost 1-2 | -181464 |
| 3modern | 566 | Porges, Charles (1597) | Lost 1-2 | -161448 |
| 4modern | 623 | Nielsen, Jim (1445) | Won 2-0 | +181466 |
| 5modern | 567 | Fattu, David (1423) | Lost 1-2 | -191447 |
| 6modern | 484 | Wolff, Nick (1446) | Won 2-0 | +181465 |
| 7modern | 410 | Westerfield, Heather (1466) | Won 2-1 | +181483 |
| 8modern | 308 | Fox, Eric (1393) | Lost 1-2 | -191464 |
| average opponent: 1467record: 3-5 | new rating: 1464 | |||