Tackett, Bret
Current rating: 1396
| Grand Prix San Diego 2015 (ORI standard) | starting rating: 1411 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 175 | Nicoson, Nathan (1500) | Won 2-0 | +191430 |
| 2standard | 118 | Borrero, Mario (1518) | Lost 1-2 | -161414 |
| 3standard | 445 | Altamirano, Nick (1435) | Lost 0-2 | -181396 |
| top | average opponent: 1484record: 1-2 | new rating: 1396 | ||
| Grand Prix Las Vegas 2015 (1) (MM2 limited) | starting rating: 1445 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 36 | Cook, Joseph (1486) | Lost 0-2 | -171428 |
| 2sealed | 379 | Von Schmacht, Thomas (1481) | Lost 0-2 | -171411 |
| top | average opponent: 1484record: 0-2 | new rating: 1411 | ||
| Grand Prix Los Angeles 2014 (KTK standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 493 | Lowe, Chris (1431) | Lost 0-2 | -191481 |
| 2standard | 489 | Del Pilar, Daniel (1482) | Lost 0-2 | -181463 |
| 3standard | 760 | Nerio, Victor (1463) | Lost 1-2 | -181445 |
| top | average opponent: 1459record: 0-3 | new rating: 1445 | ||