Rosales, Ernesto
Current rating: 1383
Record: 14-22
| Grand Prix San Jose 2017 (AER limited) | starting rating: 1385 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 267 | Hollman, Mandy (1490) | Lost 1-2 | -161369 |
| 2sealed | 675 | Madala, James (1482) | Won 2-0 | +201389 |
| 3sealed | 567 | Juarez, Michael (1505) | Lost 1-2 | -151374 |
| 4sealed | 631 | Giurlani, Cole (1485) | Won 2-1 | +201394 |
| 5sealed | 571 | Caine, Chase (1491) | Won 2-0 | +191413 |
| 6sealed | 281 | Parker, Kevin (1630) | Lost 1-2 | -141399 |
| 7sealed | 541 | Young, Andrew (1396) | Lost 0-2 | -181381 |
| 8sealed | 520 | Ramos, Steven (1457) | Won 2-1 | +201401 |
| 9sealed | 406 | Sunu, Stephen (1452) | Lost 0-2 | -181383 |
| top | average opponent: 1487record: 4-5 | new rating: 1383 | ||
| Grand Prix Los Angeles 2016 (modern) | starting rating: 1470 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 196 | Crowle, Tomas (1557) | Lost 0-2 | -171453 |
| 2modern | 553 | Chrisman, Corey (1482) | Lost 0-2 | -171436 |
| 3modern | 993 | Wolk, Zachary (1487) | Lost 1-2 | -171419 |
| 4modern | 1046 | Nguyen, Rowan (1381) | Won 2-0 | +171436 |
| 5modern | 957 | Soriano, John (1529) | Lost 1-2 | -161420 |
| 6modern | 925 | Thurn, Derek (1446) | Lost 0-2 | -181402 |
| 7modern | 837 | Berry, Josh (1427) | Lost 0-2 | -171385 |
| 8modern | 701 | Adelstein, Matthew (1409) | Lost 0-2 | -181367 |
| 9modern | 584 | Cota, Valerie (1393) | Won 2-1 | +181385 |
| top | average opponent: 1457record: 2-7 | new rating: 1385 | ||
| Grand Prix San Diego 2015 (ORI standard) | starting rating: 1485 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 54 | Ignizio, Richard (1467) | Won 2-0 | +171502 |
| 2standard | 183 | Huteson, Tom (1799) | Lost 0-2 | -121490 |
| 3standard | 333 | Leyva, Orlando (1466) | Won 2-1 | +171507 |
| 4standard | 322 | Beaufeaux, Ryan J (1519) | Lost 1-2 | -181489 |
| 5standard | 348 | Clancy, Alynn (1504) | Lost 1-2 | -171472 |
| 6standard | 446 | Weires, Synthia (1418) | Won 2-0 | +171489 |
| 7standard | 333 | See, Andrew (1401) | Lost 0-2 | -201469 |
| 8standard | 320 | Schade, Eric (1483) | Lost 0-1 | -181451 |
| 9standard | 271 | Mullan, Virginia (1467) | Won 2-1 | +191470 |
| top | average opponent: 1503record: 4-5 | new rating: 1470 | ||
| Grand Prix Los Angeles 2014 (KTK standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 68 | Gonzalez, Giovanny (1535) | Lost 0-2 | -171483 |
| 2standard | 597 | Nemchik, Vincent (1482) | Won 2-0 | +181501 |
| 3standard | 528 | Bird, Richard (1516) | Lost 0-2 | -181483 |
| 4standard | 610 | Nikoghosyan, Tsolak (1432) | Won 2-0 | +171500 |
| 5standard | 553 | Nguyen, Edward (1487) | Won 2-1 | +181518 |
| 6standard | 446 | Leising, Gavin (1516) | Won 2-0 | +181536 |
| 7standard | 155 | Young, Kelvin (1710) | Lost 0-2 | -151521 |
| 8standard | 260 | Ko, Roy (1511) | Lost 0-2 | -181503 |
| 9standard | 288 | Richardson, Niko (1498) | Lost 0-2 | -181485 |
| top | average opponent: 1521record: 4-5 | new rating: 1485 | ||