Pedrera Irabien, Gonzalo Alberto
Current rating: 1571
| Grand Prix Costa Rica 2016 (SOI standard) | starting rating: 1581 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 24 | Hoffeld, Joshua (1737) | Won 2-1 | +201601 |
| 2standard | 20 | Zuniga Sanchez, Josue (1518) | Lost 1-2 | -191582 |
| 3standard | 163 | Lopez Villalobos, Jose Luis (1502) | Draw 1-1 | -11581 |
| 4standard | 161 | Navarro Arauz, Juan Jose (1500) | Lost 0-2 | -201561 |
| 5standard | 193 | Chillon, Cesar (1546) | Lost 1-2 | -181543 |
| 6standard | 207 | Alatriste Garza, Gabriel Felipe (1452) | Won 2-0 | +161559 |
| 7standard | 176 | Fernandez Rodriguez, Christian (1483) | Won 2-1 | +171576 |
| 8standard | 179 | Lopez, Carlos [PAN] (1465) | Won 2-0 | +161592 |
| 9standard | 117 | Vargas Serrate, Marco Antonio (1464) | Lost 1-2 | -211571 |
| top | average opponent: 1519record: 4-4-1 | new rating: 1571 | ||
| Grand Prix Guadalajara 2013 (DGM standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 4standard | 34 | Navarro, Jose Armando (1553) | Won 2-1 | +191519 |
| 5standard | 13 | Gutierrez Ruiz, Jesus (1518) | Won 2-0 | +181537 |
| 6standard | 8 | Cruz Cano, Pedro Juan (1662) | Won 2-0 | +201557 |
| 7standard | 3 | Lopez Romero, David Br (1610) | Won 2-1 | +191576 |
| 8standard | 2 | Dominguez Roldan, Fernando De Jesus (1888) | Won 2-1 | +241600 |
| 9standard | 1 | Yukuhiro, Ken (2036) | Lost 0-2 | -111589 |
| 10standard | 7 | Granados Escotorin, Jose Mar (1598) | Lost 1-2 | -181571 |
| 11standard | 12 | Nunez Moreno, Gustavo (1752) | Won 2-0 | +221593 |
| 12standard | 3 | Noriega Herrera, Roberto A (1649) | Won 2-1 | +191612 |
| 13standard | 2 | Ramirez Sanchez, Emmanuel (1714) | Lost 1-2 | -171595 |
| 14standard | 8 | Martinez, Axel (1771) | Lost 0-2 | -141581 |
| top | average opponent: 1705record: 7-4 | new rating: 1581 | ||
| Grand Prix Mexico City 2012 (DKA limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 213 | terrazo palmero, javier robe (1500) | Lost 0-1 | -181482 |
| 2sealed | 293 | Curiel Leyva, Cesar (1482) | Won 2-0 | +181500 |
| 3sealed | 211 | Rodriguez, Rodrigo [MEX?] (1500) | Won 2-0 | +181518 |
| 4sealed | 128 | Sanchez Genchi, Arturo (1518) | Won 2-1 | +181536 |
| 5sealed | 48 | Buenfil, Guillermo R (1535) | Lost 1-2 | -181518 |
| 6sealed | 146 | Alvarez, Jose Raul (1518) | Lost 0-2 | -181500 |
| 7sealed | 180 | Gamino Dicez, Jesus (1500) | Lost 0-2 | -181482 |
| 8sealed | 204 | Lopez Saucedo, Felipe (1482) | Won 2-0 | +181500 |
| top | average opponent: 1504record: 4-4 | new rating: 1500 | ||