Marlowe, Joshua
Current rating: 1394
Record: 3-9-1
| Grand Prix Oklahoma City 2017 (modern) | starting rating: 1478 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 352 | Reeves, Nicole (1500) | Won 2-1 | +181496 |
| 2modern | 151 | Harrod, Zane (1486) | Lost 0-2 | -181478 |
| 3modern | 497 | Eason, Anthony (1722) | Lost 0-2 | -141464 |
| 4modern | 450 | Mork, James (1480) | Won 2-0 | +191483 |
| 5modern | 455 | Hardwick, Charissa (1499) | Lost 0-2 | -181465 |
| 6modern | 409 | Johnson, Justin (1411) | Lost 0-2 | -191446 |
| 7modern | 486 | Palermo, Felix (1466) | Lost 0-2 | -181428 |
| 8modern | 441 | Scott, Andrew (1462) | Lost 0-2 | -171411 |
| 9modern | 380 | Ricketts, Derek (1484) | Lost 0-2 | -171394 |
| average opponent: 1501record: 2-7 | new rating: 1394 | |||
| Grand Prix Oklahoma City 2015 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 374 | Robles, Mark (1371) | Draw 1-1 | -21498 |
| 2modern | 320 | Green, Thomas (1426) | Won 1-0 | +161514 |
| 3modern | 256 | Cunningham, Daniel (1543) | Lost 0-0 | -171497 |
| 4modern | 408 | Madick, Turner (1435) | Lost 1-2 | -191478 |
| average opponent: 1444record: 1-2-1 | new rating: 1478 | |||