Drummer, Richard
Current rating: 1490
| Grand Prix Dallas-Fort Worth 2015 (ORI limited) | starting rating: 1487 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 156 | Vasquez, Steven (1500) | Won 2-1 | +191506 |
| 2sealed | 375 | Stone, Jeffrey (1582) | Won 2-1 | +191525 |
| 3sealed | 29 | Nall, Eric (1552) | Lost 0-2 | -171508 |
| 4sealed | 274 | Johnson, Versile (1519) | Lost 1-2 | -181490 |
| top | average opponent: 1538record: 2-2 | new rating: 1490 | ||
| Grand Prix San Antonio 2014 (KTK standard) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 16 | Howton, Trevor (1500) | Won 2-0 | +191483 |
| 2standard | 76 | Trevino, Chris (1500) | Won 2-0 | +181501 |
| 3standard | 68 | Gamucci, Flavio (1534) | Won 2-1 | +191520 |
| 4standard | 8 | Holt, Chad (1552) | Won 2-0 | +181538 |
| 5standard | 15 | Gay, Randall (1611) | Lost 0-2 | -171521 |
| 6standard | 81 | Gonzalez, Miguel (1663) | Lost 0-2 | -151506 |
| 7standard | 118 | Sandling, Samuel (1473) | Lost 1-2 | -191487 |
| top | average opponent: 1548record: 4-3 | new rating: 1487 | ||
| Grand Prix Houston 2013 (DGM limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 59 | L796, Steven E (1500) | Lost 0-2 | -181482 |
| 2sealed | 340 | Shoemaker, Will (1482) | Lost 0-1 | -181464 |
| top | average opponent: 1491record: 0-2 | new rating: 1464 | ||