Lopez III, Efrain
Current rating: 1444
| Grand Prix Dallas-Fort Worth 2015 (ORI limited) | starting rating: 1414 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 327 | Reasor, Chris (1535) | Won 2-0 | +201434 |
| 2sealed | 255 | Detecnik, Davor (1855) | Lost 0-2 | -111423 |
| 3sealed | 385 | Walpole, Travis (1435) | Lost 1-2 | -181405 |
| 4sealed | 591 | Andrae, Skylar (1482) | Lost 0-2 | -161389 |
| 5sealed | 604 | Penso, Ricardo (1466) | Won 2-0 | +191408 |
| 6sealed | 498 | Post, Dallas (1304) | Won 2-0 | +161424 |
| 7sealed | 366 | Humphries, Tyler (1498) | Won 2-0 | +201444 |
| top | average opponent: 1511record: 4-3 | new rating: 1444 | ||
| Grand Prix Las Vegas 2015 (2) (MM2 limited) | starting rating: 1446 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 453 | Lunasco, John (1500) | Lost 0-2 | -171429 |
| 2sealed | 434 | Shrader, Lance (1562) | Lost 1-2 | -151414 |
| top | average opponent: 1531record: 0-2 | new rating: 1414 | ||
| Grand Prix Austin 2012 (ISD limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 243 | Anderson, Kyle (1483) | Lost 0-2 | -181482 |
| 3sealed | 184 | Rosenmeier, Jon (1430) | Lost 0-2 | -191463 |
| 4sealed | 385 | Wood, Kevin A (1482) | Lost 0-2 | -181445 |
| 5sealed | 400 | Wilcox, Ben (1463) | Won 2-0 | +181463 |
| 6sealed | 324 | Lewis, Elio (1511) | Lost 0-2 | -171446 |
| top | average opponent: 1474record: 1-4 | new rating: 1446 | ||