Guzman, Edyamin
Current rating: 1431
Record: 12-17
| Grand Prix Mexico City 2016 (OGW limited) | starting rating: 1439 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 93 | Gutierrez Pena, Jose Daniel (1486) | Won 2-1 | +191458 |
| 2sealed | 61 | Robles Ruiz, Oscar (1446) | Lost 1-2 | -181440 |
| 3sealed | 229 | Sanchez Rodriguez, Arturo (1462) | Won 2-1 | +181458 |
| 4sealed | 186 | Crespo Orozco, Gabriel (1497) | Lost 0-2 | -171441 |
| 5sealed | 257 | Reyes Medina, Juan Manuel (1504) | Won 2-0 | +191460 |
| 6sealed | 196 | Garcia Estrada, Jose Roberto (1521) | Won 2-0 | +191479 |
| 7sealed | 112 | Monroy Diaz, Manuel (1629) | Lost 1-2 | -151464 |
| 8sealed | 163 | Ramirez Mesen, Melvin Andres (1516) | Lost 1-2 | -171447 |
| 9sealed | 174 | Leon Carmona, Jorge (1589) | Lost 0-2 | -161431 |
| top | average opponent: 1517record: 4-5 | new rating: 1431 | ||
| Grand Prix Mexico City 2015 (FRF limited) | starting rating: 1449 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 86 | Rivera Perez, Israel (1401) | Won 2-1 | +171466 |
| 2sealed | 54 | Mejia, Gerardo (1518) | Won 2-0 | +191485 |
| 3sealed | 3 | Serrano, Alexis (1656) | Lost 1-2 | -151470 |
| 4sealed | 89 | Alucin, Jorge A (1454) | Won 2-1 | +181488 |
| 5sealed | 92 | Viteri Candia, Edgar Guillermo (1624) | Lost 0-2 | -161472 |
| 6sealed | 130 | barrios alvarez, Luis (1573) | Lost 0-2 | -161456 |
| 7sealed | 159 | Hernandez Castillo, Oscar (1504) | Lost 0-2 | -171439 |
| top | average opponent: 1533record: 3-4 | new rating: 1439 | ||
| Grand Prix Mexico City 2014 (BNG limited) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 12 | Tirado, Yefte (1581) | Lost 0-2 | -151449 |
| 2sealed | 285 | Perez Tovar, Christian (1483) | Won 2-1 | +181467 |
| 3sealed | 252 | Robles B, Carlos (1500) | Won 2-0 | +191486 |
| 4sealed | 92 | Gutierrez, Juan Antonio (1382) | Lost 1-2 | -201466 |
| 5sealed | 224 | Angeles Servin, Alfredo Aaro (1487) | Lost 0-2 | -181448 |
| 6sealed | 248 | Vargaz Jacome, Carlos (1482) | Won 2-0 | +191467 |
| 7sealed | 172 | Sagahon Zaleta, Jessica Paulette (1468) | Lost 0-2 | -181449 |
| top | average opponent: 1483record: 3-4 | new rating: 1449 | ||
| Grand Prix Guadalajara 2013 (DGM standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 17 | de la Loza Bellot, Jose Alejandro (1538) | Lost 1-2 | -171483 |
| 2standard | 115 | Gallegos Baeza, Daniel (1463) | Won 2-1 | +171500 |
| 3standard | 75 | Galvez, Alejandro (1501) | Won 2-1 | +181518 |
| 4standard | 81 | Acevedo, Diego (1522) | Lost 1-2 | -181500 |
| 5standard | 156 | Morones Solano, Jose Raul (1502) | Lost 0-2 | -181482 |
| 6standard | 140 | Gonzalez, Lizbeth (1482) | Lost 0-2 | -181464 |
| top | average opponent: 1501record: 2-4 | new rating: 1464 | ||