Mancillas Orozco, Erika A
Current rating: 1318
Record: 19-32
| Grand Prix Mexico City 2018 (GRN limited) | starting rating: 1343 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 48 | Tadeo Jacinto, Julio Cesar (1500) | Lost 0-2 | -151328 |
| 2sealed | 48 | Marli, Mario (1481) | Lost 1-2 | -161312 |
| 3sealed | 48 | Arellano, Gerardo (1464) | Won 2-1 | +211333 |
| 4sealed | 48 | Ocampo Guzman, Alan (1482) | Lost 1-2 | -151318 |
| top | average opponent: 1482record: 1-3 | new rating: 1318 | ||
| Grand Prix Las Vegas 2018 (limited) (DOM limited) | starting rating: 1409 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 275 | Gladue, Jonathon (1331) | Won 2-0 | +171426 |
| 2sealed | 204 | Salas, Spencer (1616) | Lost 0-2 | -151411 |
| 3sealed | 715 | Rubio, Matthew (1521) | Lost 0-2 | -161395 |
| 4sealed | 710 | Merlet, Cedric (1429) | Lost 1-2 | -171378 |
| 5sealed | 651 | Shirakihara, Ryuuichi (1291) | Lost 0-2 | -201358 |
| 6sealed | 572 | Tayek, John (1507) | Lost 0-2 | -151343 |
| top | average opponent: 1449record: 1-5 | new rating: 1343 | ||
| Grand Prix Las Vegas 2017 (limited) (AKH limited) | starting rating: 1433 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 478 | Chase, John (1662) | Won 2-1 | +221455 |
| 2sealed | 43 | Roberts, Nick (1676) | Lost 0-2 | -141441 |
| 3sealed | 832 | Tang, Andrew (1439) | Won 2-1 | +181459 |
| 4sealed | 681 | Caitung, Rocky (1502) | Lost 0-2 | -171442 |
| 5sealed | 812 | Coperine, Dylana (1481) | Won 2-0 | +191461 |
| 6sealed | 379 | Clinard, Jeffrey (1553) | Lost 1-2 | -171444 |
| 7sealed | 634 | Louke, Mary (1428) | Lost 0-1 | -181426 |
| 8sealed | 580 | Talayumptewa, Kordell (1484) | Lost 1-2 | -171409 |
| top | average opponent: 1528record: 3-5 | new rating: 1409 | ||
| Grand Prix Las Vegas 2015 (1) (MM2 limited) | starting rating: 1450 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 165 | Truong, Vincent (1500) | Lost 0-2 | -171433 |
| top | record: 0-1 | new rating: 1433 | ||
| Grand Prix Mexico City 2015 (FRF limited) | starting rating: 1440 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 128 | Hernandez Amado, Julio Eduardo (1553) | Lost 0-2 | -161424 |
| 3sealed | 133 | Cabrera Giron, Luis Ernesto (1448) | Lost 0-2 | -181406 |
| 4sealed | 209 | Ortega Meyo, Esteban (1502) | Lost 0-2 | -161390 |
| 5sealed | 245 | Vazquez Armeaga, Juan Francisco (1462) | Won 2-0 | +191409 |
| 6sealed | 205 | Espinoza, Aldo (1427) | Won 2-0 | +191428 |
| 7sealed | 180 | Rountree, Bernardo (1502) | Won 2-1 | +191447 |
| 8sealed | 119 | Canto Jimenez, Roman Humbert (1526) | Lost 0-2 | -171430 |
| 9sealed | 119 | Moya Silva, Sergio Noe (1535) | Won 2-1 | +201450 |
| top | average opponent: 1494record: 4-4 | new rating: 1450 | ||
| Grand Prix Mexico City 2014 (BNG limited) | starting rating: 1472 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 126 | Gutierrez Saldate, Gabriel (1531) | Lost 0-2 | -171455 |
| 2sealed | 278 | Hernandez, Jose Luis (1535) | Lost 1-2 | -171438 |
| 3sealed | 326 | Guerrero Islas, Rebeca (1464) | Won 2-0 | +191457 |
| 4sealed | 205 | Vargas, Erick (1482) | Lost 1-2 | -181439 |
| 5sealed | 259 | Casarin De La Cabada, Daniel (1465) | Won 2-0 | +191458 |
| 6sealed | 207 | Salazar Montes, Augusto (1406) | Lost 0-2 | -191439 |
| 7sealed | 237 | Garza Diaz, Ernesto (1465) | Won 2-1 | +181457 |
| 8sealed | 174 | Franco Zumaya, Ernesto (1483) | Lost 0-2 | -171440 |
| top | average opponent: 1479record: 3-5 | new rating: 1440 | ||
| Grand Prix Guadalajara 2013 (DGM standard) | starting rating: 1427 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 52 | Silva, Jose (1386) | Won 2-1 | +181445 |
| 2standard | 55 | Bustamante Lerma, Jose Alfonso (1518) | Won 2-0 | +191464 |
| 3standard | 39 | Olvera Castellanos, Cesar (1535) | Won 2-1 | +191483 |
| 4standard | 7 | Rios Gonzalez, Miguel (1500) | Won 2-1 | +191502 |
| 5standard | 16 | Morales Arrieta, Luis Angel (1539) | Lost 0-2 | -181484 |
| 6standard | 16 | Morales, Emmanuel E (1556) | Lost 1-2 | -161468 |
| 7standard | 16 | Mancilla Hernandez, Carlos (1599) | Won 2-0 | +201488 |
| 8standard | 16 | Carrera, Oscar (1583) | Lost 1-2 | -161472 |
| top | average opponent: 1527record: 5-3 | new rating: 1472 | ||
| Grand Prix Mexico City 2012 (DKA limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 120 | Munoz, Mizraim Jussef (1500) | Won 2-0 | +181518 |
| 2sealed | 74 | Pedrero Orantes, Roberto (1500) | Lost 0-2 | -181500 |
| 3sealed | 119 | Carrera, Oscar (1474) | Lost 0-2 | -191481 |
| 4sealed | 282 | Pozos del Angel, Rafael Alej (1465) | Lost 1-2 | -181463 |
| 5sealed | 295 | Rivera Z., Rigoberto E (1465) | Lost 1-2 | -181445 |
| 6sealed | 279 | Flores Lopez, Marco Antonio (1446) | Lost 0-2 | -181427 |
| 7sealed | 253 | Narvaez Hurtado, Jose (1455) | Lost 1-2 | -181409 |
| 8sealed | 237 | Garcia, Carlos [MEX] (1410) | Won 2-1 | +181427 |
| top | average opponent: 1464record: 2-6 | new rating: 1427 | ||