Marks, Ray
Current rating: 1508
Record: 4-4
| Grand Prix Denver 2015 (KTK standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 67 | Warner, Joseph (1500) | Won 2-0 | +181518 |
| 2standard | 320 | Walterscheid, Corby (1600) | Lost 0-2 | -171501 |
| 3standard | 345 | Jurek, Danielle (1470) | Won 2-1 | +181519 |
| 4standard | 291 | Prudhomme, Nate (1516) | Won 2-1 | +181537 |
| 5standard | 200 | Maliszewski, Nathannael (1740) | Lost 0-2 | -141523 |
| 6standard | 317 | Moores, Andrew (1457) | Lost 1-2 | -201503 |
| 7standard | 324 | Jansen, Adam (1877) | Won 2-0 | +251528 |
| 8standard | 221 | Sharp, Jon (1413) | Lost 0-2 | -201508 |
| average opponent: 1571record: 4-4 | new rating: 1508 | |||