Marhenke, Alex
Current rating: 1513
Record: 4-4
| Grand Prix Phoenix 2018 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 83 | Welch, Trenten (1500) | Won 2-1 | +181518 |
| 2modern | 178 | Aguilar Varelas, Rafael (1529) | Won 2-1 | +181536 |
| 3modern | 158 | Oakes, Connor (1722) | Lost 0-2 | -141522 |
| 4modern | 320 | Lee, Farand (1798) | Lost 1-2 | -141508 |
| 5modern | 504 | Girard, Andre (1578) | Won 2-1 | +201528 |
| 6modern | 324 | Day, Michael (1527) | Won 2-0 | +181546 |
| 7modern | 178 | Yurchick, Adam (1752) | Lost 1-2 | -151531 |
| 8modern | 280 | Guerrero, Michael (1492) | Lost 1-2 | -181513 |
| average opponent: 1612record: 4-4 | new rating: 1513 | |||