Martin, Derek
Current rating: 1405
Record: 3-9-2
| Grand Prix New York 2016 (SOI standard) | starting rating: 1446 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 538 | Aune, Eirik (1797) | Lost 0-2 | -121434 |
| 2standard | 661 | Thornburg, Robert (1445) | Lost 1-2 | -181416 |
| 3standard | 854 | Feulmer, Isaac (1464) | Lost 0-2 | -171399 |
| 4standard | 906 | Reilly, Joseph (1447) | Draw 1-1 | +11400 |
| 5standard | 875 | Belasco, James (1444) | Draw 1-1 | +11401 |
| 6standard | 811 | Woolfrey, Melissa (1447) | Won 2-0 | +191420 |
| 7standard | 709 | Fujimura, Ty (1575) | Lost 1-2 | -161404 |
| 8standard | 617 | Vance, Vince (1429) | Lost 1-2 | -171387 |
| 9standard | 527 | Becker, Jennifer (1391) | Won 2-0 | +181405 |
| average opponent: 1493record: 2-5-2 | new rating: 1405 | |||
| Grand Prix Louisville 2013 (THS standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 114 | Swan, Isaac (1500) | Lost 0-2 | -181482 |
| 2standard | 459 | Ferguson, Henry (1482) | Won 2-1 | +181500 |
| 3standard | 316 | Oerther, Nick (1526) | Lost 1-2 | -181482 |
| 4standard | 546 | Meyers, Richard (1448) | Lost 1-2 | -181464 |
| 5standard | 520 | Laird, Curtis (1464) | Lost 0-2 | -181446 |
| average opponent: 1484record: 1-4 | new rating: 1446 | |||