Ferran, Guillermo
Current rating: 1493
Record: 25-26-4
| Grand Prix Santiago 2017 (AKH standard) | starting rating: 1509 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 158 | Mohor, Carlos (1560) | Lost 0-2 | -171492 |
| 2standard | 228 | Escobar Canete, Felipe (1517) | Lost 1-2 | -181474 |
| 3standard | 310 | Figueroa, Jaime (1464) | Lost 0-2 | -181456 |
| 4standard | 344 | Roque, Francisco (1470) | Lost 0-2 | -181438 |
| 5standard | 346 | Varela, Alfredo (1425) | Won 2-0 | +181456 |
| 6standard | 317 | Huanca, Alfonso (1404) | Won 2-1 | +171473 |
| 7standard | 269 | Vattuone, David (1464) | Won 2-0 | +181491 |
| 8standard | 229 | Garreton, Mauricio (1422) | Won 2-1 | +171508 |
| 9standard | 190 | Garcia, Ignacio Javier (1677) | Lost 0-2 | -151493 |
| top | average opponent: 1489record: 4-5 | new rating: 1493 | ||
| Grand Prix Santiago 2016 (KLD standard) | starting rating: 1495 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 170 | Gatica, Pablo (1463) | Won 2-0 | +181513 |
| 2standard | 99 | Isla, Francisco (1521) | Won 2-1 | +181531 |
| 3standard | 128 | Reyes, Alejandro (1543) | Lost 1-2 | -181513 |
| 4standard | 102 | Lopez, Alvaro (1536) | Won 2-0 | +181531 |
| 5standard | 62 | Lagos, Cristian (1642) | Lost 1-2 | -161515 |
| 6standard | 183 | Pino, Matias (1522) | Won 2-1 | +181533 |
| 7standard | 139 | Salgado, Matias (1533) | Won 2-1 | +181551 |
| 8standard | 46 | Cister, Matias (1480) | Won 0-0 | +171568 |
| 9standard | 40 | Salini, Jose (1624) | Won 2-0 | +191587 |
| 10standard | 21 | Pozzo, Sebastian (1934) | Lost 0-2 | -121575 |
| 11standard | 35 | Barlaro, Guido (1535) | Lost 0-2 | -181557 |
| 12standard | 75 | Maldonado, Joaquin (1557) | Draw 1-1 | 01557 |
| 13standard | 67 | Ruiz, Gabriela (1560) | Lost 1-2 | -181539 |
| 14standard | 78 | Syed, Zan (1945) | Lost 0-2 | -111528 |
| 15standard | 84 | Letelier, Juan Pablo (1494) | Lost 1-2 | -191509 |
| top | average opponent: 1593record: 7-7-1 | new rating: 1509 | ||
| Grand Prix Santiago 2015 (ORI limited) | starting rating: 1493 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 42 | Correa, Jose (1467) | Draw 1-1 | -11492 |
| 2sealed | 192 | Hernandez, Maximiliano (1500) | Won 2-1 | +191511 |
| 3sealed | 146 | Gangas, Angel (1517) | Won 2-0 | +181529 |
| 4sealed | 77 | Garcia Sepulveda, Ignacio (1536) | Lost 0-2 | -181511 |
| 5sealed | 150 | Rottmann, Kurt (1631) | Lost 1-2 | -161495 |
| 6sealed | 208 | Cortes, Andres (1496) | Lost 1-2 | -181477 |
| 7sealed | 199 | Mamani, Nilson (1483) | Won 2-0 | +181495 |
| top | average opponent: 1519record: 3-3-1 | new rating: 1495 | ||
| Grand Prix Santiago 2014 (KTK standard) | starting rating: 1513 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 180 | Bombal, Ignacio (1482) | Lost 0-2 | -191494 |
| 2standard | 246 | Nahasse, Iyad (1482) | Draw 1-1 | 01494 |
| 3standard | 277 | Maraboli, Rodolfo (1476) | Won 2-1 | +171511 |
| 4standard | 221 | Tapia, Luis Alejandro (1500) | Won 2-1 | +181529 |
| 5standard | 146 | Devides Moreno, Alcides (1518) | Lost 0-2 | -181511 |
| 6standard | 200 | Teixeira, Glauber (1505) | Lost 0-2 | -181493 |
| top | average opponent: 1494record: 2-3-1 | new rating: 1493 | ||
| Grand Prix Santiago 2013 (THS standard) | starting rating: 1536 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 197 | Mancilla, Richard (1500) | Lost 1-2 | -191517 |
| 2modern | 10 | Zuniga, Edgardo (1429) | Won 2-1 | +161533 |
| 3modern | 270 | Cerda, Mario (1500) | Won 2-1 | +181551 |
| 4modern | 130 | Ahumada, Felipe (1698) | Lost 0-2 | -161535 |
| 5modern | 218 | Ramirez, Cristian (1412) | Lost 1-2 | -201515 |
| 6modern | 240 | Gaona, Roberto (1483) | Lost 0-2 | -181497 |
| 7modern | 250 | Lara, Freddy (1463) | Won 2-1 | +171514 |
| 8modern | 195 | Norambuena, Michael (1465) | Won 2-0 | +171531 |
| 9modern | 146 | Caicedo, Andres (1499) | Lost 1-2 | -181513 |
| top | average opponent: 1494record: 4-5 | new rating: 1513 | ||
| Grand Prix Santiago 2011 (ISD limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 165 | Squincaglia, Fernando Henrique (1500) | Lost 1-2 | -181482 |
| 2sealed | 203 | San Juan Vergara, Basilio Alejandro (1421) | Draw 1-1 | -11481 |
| 3sealed | 267 | Chacana Alegria, Javie (1482) | Won 2-0 | +181499 |
| 4sealed | 221 | Quiroz, Ignacio A (1498) | Won 2-0 | +181517 |
| 5sealed | 156 | Hruschka, Matheus (1559) | Lost 0-2 | -171500 |
| 6sealed | 103 | Danobeitia, Hugo (1535) | Won 2-0 | +181518 |
| 7sealed | 151 | Campos, Sergio (1501) | Won 2-0 | +181536 |
| 8sealed | 109 | Parra, Pablo (1533) | Won 2-1 | +181554 |
| 9sealed | 70 | Hernandez Vasquez, Eric (1538) | Lost 0-2 | -181536 |
| top | average opponent: 1508record: 5-3-1 | new rating: 1536 | ||