Rivera, Efrain
Current rating: 1445
Record: 1-4-1
| Grand Prix Dallas-Fort Worth 2011 (MBS standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 391 | Kitchen, Heaven (1483) | Draw 1-1 | 01500 |
| 2standard | 285 | Spellman, Bryan (1488) | Lost 0-2 | -191481 |
| 3standard | 414 | Hassan, Nagi (1446) | Lost 0-2 | -181463 |
| 4standard | 533 | Justus, Jimmy D (1464) | Won 2-0 | +181481 |
| 5standard | 445 | Reed, Christopher l (1482) | Lost 1-2 | -181463 |
| 6standard | 391 | Jackson, Michael S (1463) | Lost 0-2 | -181445 |
| average opponent: 1471record: 1-4-1 | new rating: 1445 | |||