Duty, Ruben
Current rating: 1445
Record: 1-4
| Grand Prix Providence 2015 (DTK standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 322 | Lyga, Brendan (1500) | Lost 1-2 | -181482 |
| 2standard | 326 | Barno, Ben (1447) | Won 2-1 | +171499 |
| 3standard | 249 | Ziskis, Mark (1503) | Lost 0-2 | -181481 |
| 4standard | 472 | McManis, Ellen (1461) | Lost 0-2 | -181463 |
| 5standard | 421 | Smith, Avery (1464) | Lost 1-2 | -181445 |
| average opponent: 1475record: 1-4 | new rating: 1445 | |||