Perez, Sergio
Current rating: 1673
Record: 34-22-4
| Grand Prix Madrid 2015 (ORI limited) | starting rating: 1705 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 289 | Traguil, Luis (1631) | Lost 0-2 | -201685 |
| 2sealed | 421 | Hermite, Damien (1535) | Won 2-1 | +161701 |
| 3sealed | 424 | Diez, Mikel (1832) | Lost 0-2 | -161685 |
| 4sealed | 494 | Fernandez Diez, Franci (1455) | Won 2-0 | +141699 |
| 5sealed | 303 | Sanchez, Carlos (1638) | Won 2-1 | +171716 |
| 6sealed | 329 | Festre, Chris (1548) | Lost 1-2 | -211695 |
| 7sealed | 320 | Eugui, Borja (1498) | Lost 0-2 | -221673 |
| top | average opponent: 1591record: 3-4 | new rating: 1673 | ||
| Grand Prix Madrid 2010 (legacy) | starting rating: 1541 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 1002 | Zarza, Manuel (1453) | Won 2-0 | +161557 |
| 2legacy | 792 | Knelangen, Matthias (1487) | Won 2-0 | +171574 |
| 3legacy | 724 | Wagner, Stefan (1429) | Won 2-0 | +151589 |
| 4legacy | 762 | Espin, Jesus (1555) | Won 2-0 | +181607 |
| 5legacy | 761 | Volkov, Maxim (1589) | Won 2-1 | +171624 |
| 6legacy | 723 | Gomez, Fernando [ESP] (1573) | Draw 1-1 | -11623 |
| 7legacy | 737 | Guerrero Diaz, Fernando (1596) | Won 2-1 | +181641 |
| 8legacy | 750 | Hernandez, Sergio (1544) | Won 2-0 | +161657 |
| 9legacy | 746 | Light, Matthew (1484) | Won 2-0 | +151672 |
| 10legacy | 4 | Rodriguez, Jorge (1645) | Lost 0-2 | -181654 |
| 11legacy | 19 | Guerrero Diaz, Fernando (1630) | Won 2-0 | +171671 |
| 12legacy | 10 | Lysek, Andrzej (1661) | Won 2-1 | +181689 |
| 13legacy | 9 | Moral, Carlos (1757) | Lost 0-2 | -171672 |
| 14legacy | 26 | Noguez Aignasse, Jason (1553) | Lost 1-2 | -201652 |
| 15legacy | 43 | Martos, Antonio (1612) | Won 2-1 | +171669 |
| 16legacy | 34 | Klinger, Bernhard (1662) | Won 2-1 | +181687 |
| 17legacy | 26 | Grotenhuis, Thomas (1671) | Won 2-1 | +181705 |
| top | average opponent: 1582record: 13-3-1 | new rating: 1705 | ||
| Grand Prix Lisbon 2002 (extended) | starting rating: 1527 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 180 | Teixeira, Bruno (1500) | Won 2-0 | +171544 |
| 2extended | 74 | Leal, Hugo (1518) | Lost 1-2 | -181526 |
| 3extended | 210 | Carreira, Guilherme (1500) | Won 2-0 | +171543 |
| 4extended | 120 | Soares, Pedro (1569) | Won 2-0 | +191562 |
| 5extended | 85 | BARREIRO, MIGUEL (1537) | Won 2-1 | +171579 |
| 6extended | 57 | Pereira, David (1605) | Draw 1-1 | +11580 |
| 7extended | 56 | Oliveira, Paulo (1528) | Won 2-0 | +171597 |
| 8extended | 35 | Velasco, Fernando 1188 (1527) | Won 2-0 | +171614 |
| 9extended | 12 | Batista, Luis (1616) | Lost 0-2 | -181596 |
| 10extended | 23 | Cabrera Martinez, Victor (1572) | Lost 0-1 | -191577 |
| 11extended | 28 | Osorio, Joao (1626) | Lost 1-2 | -171560 |
| 12extended | 30 | Caseiro, Rodrigo (1543) | Won 2-1 | +181578 |
| 13extended | 28 | Braga, Alexandre (1575) | Lost 0-2 | -181560 |
| 14extended | 27 | Duarte, Marco (1510) | Lost 1-2 | -191541 |
| top | average opponent: 1552record: 7-6-1 | new rating: 1541 | ||
| Grand Prix Biarritz 2001 (ODY limited) | starting rating: 1569 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 175 | ABOSCAL, Iker (1500) | Won 2-0 | +161585 |
| 2sealed | 84 | Gaaloul, Cedric (1610) | Lost 1-2 | -171568 |
| 3sealed | 142 | Verdier, Laurent (1485) | Won 2-1 | +161584 |
| 4sealed | 72 | Michallet, Yannick (1519) | Lost 1-2 | -191565 |
| 5sealed | 134 | Melamed, Olivier (1500) | Lost 0-2 | -191546 |
| 6sealed | 189 | Bilaine, Matthieu (1482) | Lost 0-2 | -191527 |
| top | average opponent: 1516record: 2-4 | new rating: 1527 | ||
| Grand Prix Florence 2000 (extended) | starting rating: 1516 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 40 | Simoncini, Stefano Fudo (1506) | Draw 1-1 | 01516 |
| 2extended | 149 | Carli Maltinti, Lorenzo (1500) | Lost 0-2 | -181498 |
| 3extended | 221 | Tesi, Ilex (1482) | Won 2-0 | +181516 |
| 4extended | 165 | Semprini, Lorenzo (1465) | Won 1-0 | +171533 |
| 5extended | 104 | MONTAGNI, Alfonso (1518) | Won 2-0 | +171550 |
| 6extended | 63 | Debard, Michael (1588) | Lost 0-2 | -171533 |
| 7extended | 103 | Choffat, Patrice (1521) | Won 2-0 | +181551 |
| 8extended | 74 | Nguyen, Hoang-Hai (1540) | Won 2-0 | +181569 |
| top | average opponent: 1515record: 5-2-1 | new rating: 1569 | ||
| Grand Prix Milan 1999 (Urza's block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 142 | Sintoni, Filippo (1500) | Won 2-1 | +181518 |
| 2block | 2 | Salvidio, Lucantonio (1518) | Won 2-0 | +181536 |
| 3block | 18 | Petit, Xavier (1465) | Lost 0-2 | -191517 |
| 4block | 87 | Rossi, Marco (1518) | Lost 0-2 | -181499 |
| 5block | 167 | Giubertoni, Cristian (1503) | Won 2-0 | +181517 |
| 6block | 124 | Makuz, Marco (1469) | Lost 0-2 | -191498 |
| 7block | 127 | Bressan, Manuel (1515) | Draw 1-1 | 01498 |
| 8block | 101 | Gudic, Josip (1498) | Won 2-0 | +181516 |
| top | average opponent: 1498record: 4-3-1 | new rating: 1516 | ||