Parra, Sergio
Current rating: 1610
Record: 25-22-1
| Grand Prix Madrid 2012 (DKA limited) | starting rating: 1556 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 134 | Alvarez, Oswaldo J (1500) | Won 2-1 | +171573 |
| 2sealed | 162 | Balcells, Josep (1578) | Draw 1-1 | 01573 |
| 3sealed | 114 | Pilartz, Nicolas (1515) | Won 2-0 | +171590 |
| 4sealed | 104 | Fernandez, Marcos Jose (1558) | Won 2-0 | +171607 |
| 5sealed | 52 | Drapala, Thomas (1728) | Lost 0-2 | -151592 |
| 6sealed | 104 | Martin Bolivar, Sergio (1558) | Won 2-1 | +171609 |
| 7sealed | 69 | Munio Pamies, Sergio (1556) | Won 2-0 | +171626 |
| 8sealed | 39 | Dictus, Mark (1758) | Lost 0-2 | -161610 |
| top | average opponent: 1594record: 5-2-1 | new rating: 1610 | ||
| Grand Prix Madrid 2004 (DST limited) | starting rating: 1543 | |||
| round | table | opponent (rating) | result | Δrating |
| 4sealed | 96 | Alfonso Macia, Javier (1591) | Won 2-0 | +191562 |
| 5sealed | 54 | Gundersen, Thomas (1879) | Lost 1-2 | -121550 |
| 6sealed | 77 | Diaz, Alfonso (1529) | Lost 0-2 | -181532 |
| 7sealed | 124 | HERNANDEZ, CRISTO (1537) | Won 2-1 | +181550 |
| 8sealed | 137 | Ferreira, Guilherme (1638) | Won 2-0 | +191569 |
| 9sealed | 68 | Solana Mendez, Gorka (1506) | Won 2-0 | +171586 |
| 10draft | 32 | Herms, Roc (1738) | Won 2-1 | +211607 |
| 11draft | 36 | Kolb, Markus (1679) | Lost 0-2 | -171590 |
| 12draft | 13 | Michaut, Maxime (1616) | Lost 0-2 | -171573 |
| 13draft | 47 | Tessitori, Riccardo (1528) | Lost 1-2 | -191554 |
| 14draft | 20 | Lacroix, Damien (1612) | Won 2-1 | +191573 |
| 15draft | 23 | Ramperez, Sergio (1628) | Lost 1-2 | -171556 |
| top | average opponent: 1623record: 6-6 | new rating: 1556 | ||
| Grand Prix Seville 2003 (LGN limited) | starting rating: 1564 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 151 | Soldevila, Jordi (1621) | Lost 0-2 | -171547 |
| 3sealed | 146 | Ortega Montero, Andres (1396) | Lost 1-2 | -211526 |
| 4sealed | 285 | Lopez-cepero, Jose Manuel (1482) | Won 2-0 | +171543 |
| 5sealed | 219 | Schlatter, Urs (1486) | Won 2-1 | +171560 |
| 6sealed | 185 | Christensen, Allan (1728) | Lost 0-2 | -151545 |
| 7sealed | 173 | Munoz, Jose-Antonio (1499) | Won 2-0 | +171562 |
| 8sealed | 130 | Garcia, Jose 1689 (1520) | Lost 0-2 | -191543 |
| top | average opponent: 1533record: 3-4 | new rating: 1543 | ||
| Grand Prix Barcelona 2002 (TOR limited) | starting rating: 1472 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 110 | Saavedra, Felipe (1605) | Won 2-1 | +211493 |
| 3sealed | 57 | Sacedon Ayuso, Luis (1394) | Won 2-0 | +161509 |
| 4sealed | 9 | Meraghni, Farid (1889) | Won 2-1 | +251534 |
| 5sealed | 23 | Perez Fresnedo, Javier (1581) | Won 2-0 | +181552 |
| 6sealed | 4 | Summersberger, Helmut (1810) | Won 2-0 | +231575 |
| 7sealed | 6 | Wiegersma, Jelger (1980) | Won 2-0 | +251600 |
| 8sealed | 1 | Canu, Franck (1898) | Won 0-0 | +231623 |
| 9draft | 14 | Mata, Diego (1595) | Lost 0-2 | -181605 |
| 10draft | 19 | Boeken, Noah (1823) | Lost 0-2 | -141591 |
| 11draft | 11 | Sagol, Omar (1715) | Lost 0-2 | -161575 |
| 12draft | 15 | Gomez Villota, Carlos (1585) | Lost 1-2 | -181557 |
| 13draft | 10 | Sousa, Luis (1780) | Lost 1-2 | -141543 |
| 14draft | 26 | Felix, Helio (1676) | Won 0-0 | +211564 |
| top | average opponent: 1718record: 8-5 | new rating: 1564 | ||
| Grand Prix Biarritz 2001 (ODY limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 172 | Abenia, Guillaume (1500) | Won 2-0 | +181518 |
| 2sealed | 68 | Bertos, Nicolas (1358) | Won 2-0 | +151533 |
| 3sealed | 45 | Bui, Lucien (1732) | Won 2-0 | +221555 |
| 4sealed | 20 | Olivieri, Nicolas (1649) | Lost 1-2 | -171538 |
| 5sealed | 84 | Vollebregt, Joost (1850) | Lost 1-2 | -121526 |
| 6sealed | 122 | da Costa, Jorge (1519) | Lost 0-1 | -181508 |
| 7sealed | 139 | Paiva, Carlos (1546) | Lost 1-2 | -181490 |
| 8sealed | 143 | Michallet, Yannick (1484) | Lost 0-2 | -181472 |
| top | average opponent: 1580record: 3-5 | new rating: 1472 | ||