Pereira, David
Current rating: 1655
Record: 42-27-8
| Grand Prix Madrid 2016 (KLD standard) | starting rating: 1656 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 239 | Pena Quintana, Inaki (1429) | Won 2-1 | +141670 |
| 2standard | 139 | Fernandez Moreno, Andres (1430) | Won 2-0 | +131683 |
| 3standard | 346 | Iannello, Andrea (1515) | Won 2-1 | +151698 |
| 4standard | 62 | Alonso, Jose (1361) | Won 2-1 | +121710 |
| 5standard | 3 | Tomelitsch, Patrick (1869) | Won 2-1 | +211731 |
| 6standard | 14 | Comeron Castillo, Gabriel (1645) | Lost 0-2 | -191712 |
| 7standard | 58 | Maurer, Tobias (1792) | Lost 1-2 | -171695 |
| 8standard | 163 | Padial, Antonio (1608) | Lost 1-2 | -201675 |
| 9standard | 218 | Sanchez, Diego (1536) | Lost 0-2 | -201655 |
| top | average opponent: 1576record: 5-4 | new rating: 1655 | ||
| Grand Prix Madrid 2014 (modern) | starting rating: 1637 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 498 | Jorge, Alen (1500) | Lost 1-2 | -201617 |
| 2modern | 601 | Rodriguez, Mariano (1627) | Won 2-1 | +181635 |
| 3modern | 612 | Demol, Ken (1439) | Lost 0-2 | -221613 |
| 4modern | 657 | Fusar Poli, Pietro (1420) | Won 2-0 | +151628 |
| 5modern | 682 | Susicki, Eryk (1481) | Lost 0-2 | -211607 |
| 6modern | 681 | Velazquez, Diego (1485) | Won 2-0 | +161623 |
| 7modern | 532 | Luff, Andre (1727) | Draw 1-1 | +21625 |
| 8modern | 448 | Nemeghaire, Julien (1429) | Won 2-0 | +141639 |
| 9modern | 330 | De Leeuw, Dennis (1540) | Won 2-1 | +171656 |
| top | average opponent: 1516record: 5-3-1 | new rating: 1656 | ||
| Grand Prix Lisbon 2012 (RTR limited) | starting rating: 1600 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 504 | Gueifao, Fabio (1519) | Lost 0-2 | -191581 |
| 2sealed | 674 | Borderon, Julien (1423) | Lost 1-2 | -211560 |
| 3sealed | 759 | Fonseca, Jo 9136 (1467) | Won 2-0 | +161576 |
| 4sealed | 751 | Blem, Alexandre (1481) | Won 2-0 | +161592 |
| 5sealed | 676 | Ribeiro, Claudio (1483) | Won 2-1 | +161608 |
| 6sealed | 692 | Leonardo, Pablo (1469) | Won 2-0 | +161624 |
| 7sealed | 571 | Repetti, Guillaume (1621) | Lost 0-2 | -181606 |
| 8sealed | 649 | Gramespacher, Thomas (1439) | Won 2-1 | +151621 |
| 9sealed | 706 | Kornmayer, Dominik (1543) | Won 2-1 | +161637 |
| top | average opponent: 1494record: 6-3 | new rating: 1637 | ||
| Grand Prix Turin 2006 (DIS limited) | starting rating: 1584 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 142 | Zulian, Simone (1500) | Draw 1-1 | -11583 |
| 2sealed | 165 | Foderaro, Massimiliano (1500) | Won 1-0 | +161599 |
| 3sealed | 109 | Castellano, Marco (1651) | Draw 1-1 | +11600 |
| top | average opponent: 1550record: 1-0-2 | new rating: 1600 | ||
| Grand Prix Barcelona 2006 (GPT limited) | starting rating: 1592 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 135 | Lam, Wilson (1545) | Won 0-0 | +181610 |
| 2sealed | 103 | Guijarro, Daniel (1520) | Won 2-0 | +161626 |
| 3sealed | 17 | Sebastian, Luis (1520) | Won 2-0 | +161642 |
| 4sealed | 51 | Fabrega, Cristian (1538) | Lost 1-2 | -201622 |
| 5sealed | 75 | Guerreiro, Hugo (1563) | Won 1-0 | +171639 |
| 6sealed | 49 | Pinto, Goncalo (1660) | Lost 1-2 | -181621 |
| 7sealed | 80 | Olivera, Adrian (1628) | Lost 0-1 | -171604 |
| 8sealed | 89 | Rickards, Daniel (1519) | Lost 0-2 | -201584 |
| top | average opponent: 1562record: 4-4 | new rating: 1584 | ||
| Grand Prix Hasselt 2006 (RAV limited) | starting rating: 1596 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 74 | van der Mandele, Joost (1573) | Draw 1-1 | -11595 |
| 2sealed | 149 | Joska, Tomas (1579) | Lost 0-2 | -181577 |
| 3sealed | 199 | Meulenkamp, Ruben (1451) | Won 2-0 | +161593 |
| 4sealed | 151 | van Ransbeeck, Alexander (1447) | Won 2-1 | +151608 |
| 5sealed | 98 | Scheinin, Martin (1742) | Lost 0-2 | -161592 |
| top | average opponent: 1558record: 2-2-1 | new rating: 1592 | ||
| Grand Prix Lille 2005 (legacy) | starting rating: 1605 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 173 | Mc Donagh, Patrick (1357) | Draw 1-1 | -41601 |
| 2legacy | 119 | Arens, Jonathan (1511) | Won 2-1 | +161617 |
| 3legacy | 64 | Doignies, Luc (1517) | Won 2-0 | +161633 |
| 4legacy | 51 | Petonnet, Eudes (1536) | Lost 1-2 | -191614 |
| 5legacy | 99 | Massicard, Yann (1618) | Lost 0-2 | -181596 |
| top | average opponent: 1508record: 2-2-1 | new rating: 1596 | ||
| Grand Prix Madrid 2004 (DST limited) | starting rating: 1658 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 428 | Dalgado, Mario (1500) | Won 2-0 | +151673 |
| 2sealed | 97 | Exposito Cerro, Jesus (1518) | Lost 1-2 | -211652 |
| 3sealed | 297 | Pacheco, Calixto (1467) | Lost 1-2 | -211631 |
| 4sealed | 456 | Martinez, Antidio (1482) | Won 2-0 | +151646 |
| 5sealed | 420 | Muriel Munoz, Pedro (1500) | Lost 1-2 | -211625 |
| 6sealed | 358 | Sans, Josep (1508) | Lost 1-2 | -201605 |
| top | average opponent: 1496record: 2-4 | new rating: 1605 | ||
| Grand Prix Seville 2003 (LGN limited) | starting rating: 1620 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 192 | Maestro San Juan, Mario David (1500) | Lost 0-2 | -201600 |
| 2sealed | 301 | Arenas Ruiz, Emilio (1483) | Draw 1-1 | -21598 |
| 3sealed | 308 | Lemos, Pedro Jorge Freitas (1482) | Won 2-1 | +161614 |
| 4sealed | 228 | Benjamin, Paul (1485) | Lost 1-2 | -201594 |
| 5sealed | 277 | Villa, Victoriano (1484) | Won 2-0 | +161610 |
| 6sealed | 215 | Velasco Perez, Juan Ramon (1505) | Won 2-0 | +161626 |
| 7sealed | 136 | Glik, Nicolas (1537) | Won 1-0 | +161642 |
| 8sealed | 94 | Balaguer, Pablo (1512) | Won 2-1 | +161658 |
| top | average opponent: 1499record: 5-2-1 | new rating: 1658 | ||
| Grand Prix Lisbon 2002 (extended) | starting rating: 1556 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 252 | Caetano, Artur (1500) | Lost 0-2 | -191537 |
| 2extended | 282 | Pombinho, Alexandre (1482) | Won 2-1 | +171554 |
| 3extended | 207 | Francisco, Filipe (1500) | Won 2-0 | +171571 |
| 4extended | 175 | Costa, Bruno (1518) | Won 2-1 | +171588 |
| 5extended | 57 | Soler Salazar, Jose Ramon (1527) | Won 2-1 | +171605 |
| 6extended | 57 | Perez, Sergio (1579) | Draw 1-1 | -11604 |
| 7extended | 51 | Payan, Miguel (1476) | Draw 1-1 | -21602 |
| 8extended | 85 | Vazquez, Francisco Fidel (1627) | Won 2-0 | +181620 |
| top | average opponent: 1526record: 5-1-2 | new rating: 1620 | ||
| Grand Prix Porto 2000 (PCY limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 212 | Massas, Joao (1500) | Won 1-0 | +181518 |
| 2sealed | 49 | Fievet, Marc (1620) | Lost 0-2 | -161502 |
| 3sealed | 148 | Miguel Serra, Ant (1500) | Won 2-1 | +181520 |
| 4sealed | 75 | Seixas, Aderito (1518) | Won 0-0 | +181538 |
| 5sealed | 60 | Sousa, Eduardo (1536) | Won 2-0 | +181556 |
| 6sealed | 43 | Soares, Pedro (1554) | Lost 1-2 | -181538 |
| 7sealed | 68 | Freitas, Tiago (1539) | Won 2-1 | +181556 |
| top | average opponent: 1538record: 5-2 | new rating: 1556 | ||