Zamudio, Ivan
Current rating: 1516
Record: 16-16-1
| Grand Prix Mexico City 2016 (OGW limited) | starting rating: 1492 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 8 | Lopez Cortes, Marcos (1500) | Lost 1-2 | -181474 |
| 2sealed | 207 | Gomez, Manuel (1542) | Won 2-1 | +201494 |
| 3sealed | 243 | Arriaga, Juan Miguel (1499) | Won 2-0 | +181512 |
| 4sealed | 184 | Chavez, Luis (1423) | Lost 0-2 | -201492 |
| 5sealed | 238 | Rodriguez Gomez, Rodrigo (1457) | Won 2-1 | +171509 |
| 6sealed | 188 | Quezada Barreto, Miguel (1487) | Won 2-1 | +181527 |
| 7sealed | 103 | Olivares Briones, Edson (1515) | Won 2-1 | +181545 |
| 8sealed | 64 | Maynard, Pascal (1954) | Lost 0-2 | -111534 |
| 9sealed | 86 | Caballero Torres, Raphael (1519) | Lost 0-2 | -181516 |
| top | average opponent: 1544record: 5-4 | new rating: 1516 | ||
| Grand Prix Mexico City 2015 (FRF limited) | starting rating: 1440 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 129 | Garrido Zapata, Abel (1500) | Won 2-0 | +191459 |
| 2sealed | 119 | Ramirez Chavez, Juan Carlos (1464) | Won 2-0 | +191478 |
| 3sealed | 17 | Briceno Zurita, Angel Alberto (1534) | Lost 1-2 | -171461 |
| 4sealed | 125 | rodriguez, isaac (1555) | Won 2-1 | +191480 |
| 5sealed | 42 | Gomez Pasos, Gabriel (1600) | Draw 1-1 | +21482 |
| 6sealed | 76 | Morales Arrieta, Luis Angel (1577) | Won 2-0 | +201502 |
| 7sealed | 44 | Torres, Jonathan (1575) | Lost 1-2 | -161486 |
| 8sealed | 92 | Huang, Hao-Shan (1827) | Lost 0-2 | -131473 |
| 9sealed | 107 | Estrada, Johnathan (1516) | Won 2-0 | +191492 |
| top | average opponent: 1572record: 5-3-1 | new rating: 1492 | ||
| Grand Prix Mexico City 2014 (BNG limited) | starting rating: 1553 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 238 | Zarate Diaz, Diego Armando (1551) | Lost 0-2 | -181535 |
| 2sealed | 179 | Hernandez, Daniel [MEX] (1548) | Lost 0-2 | -171518 |
| 3sealed | 289 | Urbina Martinez, Fernando (1486) | Lost 0-2 | -191499 |
| 4sealed | 319 | Garcia Guadarrama, Mau (1445) | Lost 0-2 | -191480 |
| 5sealed | 317 | Brambila, Jesus M (1428) | Lost 1-2 | -191461 |
| 6sealed | 300 | Alba Rodriguez, Cuauht (1412) | Won 2-0 | +171478 |
| 7sealed | 248 | De La Cruz, Jose (1432) | Lost 1-2 | -191459 |
| 8sealed | 216 | Revoreda, Eugenia (1409) | Lost 1-2 | -191440 |
| top | average opponent: 1464record: 1-7 | new rating: 1440 | ||
| Grand Prix Mexico City 2005 (Kamigawa block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 12 | Vargas, Huitzilihuitl (1500) | Won 2-1 | +181518 |
| 2block | 49 | Valadez Garcia, Jacob (1518) | Lost 1-2 | -181500 |
| 3block | 58 | Zamudio Jimenez, Ivan Emmanuel (1500) | Won 2-0 | +181518 |
| 4block | 48 | Cortes, Miguel (1500) | Won 2-0 | +181536 |
| 5block | 46 | Navarro, Horacio (1518) | Lost 0-2 | -191517 |
| 6block | 70 | Perez, Erick (1517) | Won 2-0 | +181535 |
| 7block | 33 | Bravo, Jose Antonio (1536) | Won 2-0 | +181553 |
| top | average opponent: 1513record: 5-2 | new rating: 1553 | ||