Perez, Joaquin
Current rating: 1531
Record: 17-15-3
| Grand Prix Moscow 2014 (JOU standard) | starting rating: 1538 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 76 | Bykov, Dmitriy (1500) | Won 2-0 | +171555 |
| 2standard | 51 | Chihun, Andrew (1518) | Lost 0-2 | -181537 |
| 3standard | 109 | Saprin, Andrey (1500) | Draw 1-1 | -11536 |
| 4standard | 160 | Saad, Mostafa (1502) | Lost 0-2 | -191517 |
| 5standard | 198 | Odobescu, Artyom (1413) | Draw 1-1 | -11516 |
| 6standard | 206 | Radaew, Alexander (1482) | Won 2-1 | +171533 |
| 7standard | 165 | Karpov, Yaroslav (1500) | Lost 0-2 | -191514 |
| 8standard | 159 | Tkachenko, Alexey (1464) | Won 2-1 | +171531 |
| top | average opponent: 1485record: 3-3-2 | new rating: 1531 | ||
| Grand Prix Warsaw 2013 (M14 standard) | starting rating: 1545 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 1 | Bazhanov, Mikhail (1435) | Won 2-1 | +161561 |
| 2standard | 171 | Janeczek, Jakub (1560) | Draw 1-1 | 01561 |
| 3standard | 206 | Piwiec, Arkadiusz (1489) | Lost 1-2 | -191542 |
| 4standard | 371 | Brancewicz, Michal (1482) | Won 2-1 | +171559 |
| 5standard | 276 | Tarnowski, Rafal (1513) | Won 2-0 | +171576 |
| 6standard | 443 | Wheeler, Tim (1492) | Lost 0-2 | -201556 |
| 7standard | 269 | Powichrowski, Tomasz (1523) | Lost 0-2 | -181538 |
| 8standard | 285 | Scibor-Rylski, Michal (1497) | Lost 0-2 | -191519 |
| 9standard | 284 | Vlaanderen, Bas (1585) | Won 2-1 | +191538 |
| top | average opponent: 1509record: 4-4-1 | new rating: 1538 | ||
| Grand Prix Milan 2011 (ISD limited) | starting rating: 1483 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 182 | Minghetti, Riccardo (1606) | Lost 1-2 | -161467 |
| 2sealed | 278 | Jillali, Sebastien (1483) | Won 2-1 | +181485 |
| 3sealed | 252 | Doldi, Marco (1484) | Lost 1-2 | -181467 |
| 4sealed | 314 | Ghini, Davide (1574) | Lost 1-2 | -161451 |
| 5sealed | 364 | Venancio, Ricardo (1505) | Won 2-1 | +191470 |
| 6sealed | 277 | Marega, Pietro (1487) | Won 2-0 | +181488 |
| 7sealed | 239 | Agliata, Daniele (1501) | Won 2-1 | +191507 |
| 8sealed | 140 | Venturi, Matteo (1636) | Won 2-1 | +201527 |
| 9sealed | 104 | Ellwanger, Thomas (1530) | Won 2-0 | +181545 |
| top | average opponent: 1534record: 6-3 | new rating: 1545 | ||
| Grand Prix Barcelona 2011 (MBS standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 164 | Valenzuela, Pakitto (1465) | Won 2-1 | +171517 |
| 2standard | 31 | Gommans, Dave (1499) | Won 2-1 | +181535 |
| 3standard | 84 | Hollmann, Marc (1686) | Lost 1-2 | -151520 |
| 4standard | 110 | Lemaitre, Francois (1502) | Lost 1-2 | -191501 |
| 5standard | 148 | Hillmann, Alexander (1446) | Won 2-1 | +171518 |
| 6standard | 167 | Mifsud Tommasi, Patrick (1599) | Lost 1-2 | -161502 |
| 7standard | 146 | Sistare, Eduard (1420) | Lost 1-2 | -201482 |
| 8standard | 120 | Taylor, Nathaniel (1499) | Lost 0-2 | -171465 |
| 9standard | 105 | Nieto, Gustavo (1464) | Won 2-1 | +181483 |
| top | average opponent: 1509record: 4-5 | new rating: 1483 | ||