Rivera-Valdivia, Nicolas
Current rating: 1387
| Grand Prix Houston 2013 (DGM limited) | starting rating: 1419 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 300 | Wiblitzhouser, Dustin (1497) | Won 2-0 | +191438 |
| 2sealed | 13 | Verrette, Clifford (1517) | Lost 0-2 | -161422 |
| 3sealed | 262 | Molina, Anthony (1482) | Lost 1-2 | -171405 |
| 4sealed | 366 | Ramirez, Daniel (1410) | Lost 0-2 | -181387 |
| top | average opponent: 1476record: 1-3 | new rating: 1387 | ||
| Grand Prix San Antonio 2012 (RTR standard) | starting rating: 1430 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 196 | Nevarez, Noel (1500) | Lost 0-2 | -171413 |
| 2standard | 275 | Northcutt, Andrew (1466) | Won 2-1 | +191432 |
| 3standard | 247 | Davis, Justin (1450) | Lost 1-2 | -181414 |
| 4standard | 283 | Carrizales, Rachel (1481) | Won 2-0 | +201434 |
| 5standard | 211 | Nunez, Luis (1498) | Lost 1-2 | -171417 |
| 6standard | 285 | Owens, William (1482) | Lost 0-2 | -171400 |
| 7standard | 229 | Dekeyzer, JD (1463) | Won 2-0 | +191419 |
| top | average opponent: 1477record: 3-4 | new rating: 1419 | ||
| Grand Prix Houston 2010 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 163 | Suydam, Daniel (1500) | Lost 0-2 | -181482 |
| 2extended | 254 | Carolan, Chris (1403) | Lost 1-2 | -191463 |
| 3extended | 260 | Nguyen, Paul (1632) | Lost 1-2 | -151448 |
| 4extended | 293 | Gurtler, Blake (1444) | Won 2-0 | +181466 |
| 5extended | 249 | Watts, Joshua (1481) | Lost 0-2 | -181448 |
| 6extended | 222 | Odom, Gabriel (1444) | Lost 1-2 | -181430 |
| top | average opponent: 1484record: 1-5 | new rating: 1430 | ||