Velazquez Marin, Ivan Itzama
Current rating: 1527
| Grand Prix Mexico City 2016 (OGW limited) | starting rating: 1480 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 275 | Martin Del Campo Rios, Jaime (1500) | Draw 1-1 | +11481 |
| 2sealed | 159 | Medina Terova, Rodolfo (1488) | Won 2-1 | +181499 |
| 3sealed | 152 | Mata Figueroa, Elim Ebenezer (1518) | Won 2-0 | +181517 |
| 4sealed | 89 | Bravo, Carlos (1537) | Won 2-1 | +181535 |
| 5sealed | 45 | Mondragon, Oscar (1546) | Won 2-1 | +191554 |
| 6sealed | 22 | Berkowitz, Jordan (2007) | Lost 0-2 | -111543 |
| 7sealed | 66 | Lopez Lerma, Diego (1632) | Lost 1-2 | -161527 |
| 8sealed | 113 | Diaz Gonzalez, Francisco (1538) | Won 2-1 | +181545 |
| 9sealed | 76 | Gaspar, David (1565) | Lost 1-2 | -181527 |
| top | average opponent: 1592record: 5-3-1 | new rating: 1527 | ||
| Grand Prix Mexico City 2014 (BNG limited) | starting rating: 1537 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 180 | Hernandez, David [MEX] (1661) | Lost 1-2 | -151522 |
| 2sealed | 191 | Gutierrez Ortega, Carlos (1520) | Won 2-1 | +181540 |
| 3sealed | 192 | Crespo Orozco, Gabriel (1499) | Won 2-0 | +171557 |
| 4sealed | 96 | Ortega, Carlos (1456) | Lost 1-2 | -201537 |
| 5sealed | 211 | Rodriguez Lopez, Rodrigo (1500) | Lost 1-2 | -191518 |
| 6sealed | 239 | Zuniga Castillo, Javier (1484) | Lost 0-2 | -181500 |
| 7sealed | 235 | Castillo, Geovanni (1414) | Lost 0-2 | -201480 |
| top | average opponent: 1505record: 2-5 | new rating: 1480 | ||
| Grand Prix Mexico City 2012 (DKA limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 29 | Leon Aviles, Alejandro Hazza (1500) | Won 2-1 | +181518 |
| 2sealed | 159 | Perdomo Singe, Oscar Roberto (1551) | Won 2-1 | +191537 |
| 3sealed | 80 | Martinez, Andres [MEX] (1519) | Won 2-0 | +171554 |
| 4sealed | 68 | Serrano, Alexis (1554) | Won 2-1 | +181572 |
| 5sealed | 16 | Solano, Jesus (1663) | Lost 1-2 | -161556 |
| 6sealed | 66 | Zarate Diaz, Diego Armando (1508) | Won 2-1 | +171573 |
| 7sealed | 32 | Martinez Silhy, Carlos (1595) | Lost 0-2 | -181555 |
| 8sealed | 86 | Bravo, Antonio (1553) | Lost 1-2 | -181537 |
| top | average opponent: 1555record: 5-3 | new rating: 1537 | ||