Mendez, Juan
Current rating: 1552
Record: 9-6
| Grand Prix Chicago 2014 (JOU standard) | starting rating: 1535 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 535 | Hoover, Jacob (1464) | Won 2-0 | +171552 |
| 2standard | 528 | Dobbin, Jack (1723) | Lost 0-2 | -151537 |
| 3standard | 805 | Dollaway, Brandon (1500) | Won 2-0 | +171554 |
| 4standard | 795 | Sudemir, Raleigh (1517) | Won 2-0 | +181572 |
| 5standard | 670 | White, Lou (1525) | Lost 0-2 | -191553 |
| 6standard | 584 | Allen, Jim (1518) | Won 2-0 | +171570 |
| 7standard | 570 | Jacob, Devin (1535) | Lost 0-2 | -181552 |
| average opponent: 1540record: 4-3 | new rating: 1552 | |||
| Grand Prix Chicago 2012 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 255 | Selsing, Nicholas (1500) | Won 2-1 | +181518 |
| 2modern | 100 | Scheer, Kevin (1517) | Lost 1-2 | -181500 |
| 3modern | 396 | Vanden Oever, Eric (1453) | Won 2-1 | +171517 |
| 4modern | 223 | Nielsen, Bill (1601) | Lost 1-2 | -161501 |
| 5modern | 430 | Parrott, Randall (1487) | Won 2-0 | +171518 |
| 6modern | 301 | Arila, Bryant (1508) | Won 2-1 | +181536 |
| 7modern | 131 | Mong, Derek (1457) | Won 2-1 | +171553 |
| 8modern | 154 | Ward, Michael (1585) | Lost 1-2 | -181535 |
| average opponent: 1513record: 5-3 | new rating: 1535 | |||