Perez, Zenon
Current rating: 1656
Record: 41-28-4
| Grand Prix Madrid 2010 (legacy) | starting rating: 1675 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 332 | Serrano, Eduardo (1500) | Won 1-0 | +151690 |
| 2legacy | 83 | Canals, Jordi (1518) | Lost 1-2 | -211669 |
| 3legacy | 311 | Varady, Balazs (1516) | Won 2-0 | +151684 |
| 4legacy | 187 | Strasky, Ondrej (1485) | Lost 1-2 | -211663 |
| 5legacy | 371 | Molina Lopez, Antonio (1500) | Won 2-0 | +151678 |
| 6legacy | 267 | Mayo Gavela, Diego (1449) | Lost 1-2 | -221656 |
| top | average opponent: 1495record: 3-3 | new rating: 1656 | ||
| Grand Prix Barcelona 2006 (GPT limited) | starting rating: 1662 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 147 | Duarte, Marco (1612) | Draw 1-1 | -11661 |
| 2sealed | 153 | Garcia Freixa, Marc (1414) | Lost 0-2 | -221639 |
| 3sealed | 216 | Granado Lozano, Michael (1485) | Won 2-0 | +151654 |
| 4sealed | 174 | Perez, Ruben (1535) | Lost 1-2 | -201634 |
| 5sealed | 203 | Fabregas Canal, Telm (1482) | Won 2-0 | +151649 |
| 6sealed | 158 | Palomar, Ruben (1519) | Lost 0-2 | -201629 |
| 7sealed | 162 | Gonzalez Garcia, Migue (1483) | Won 2-0 | +151644 |
| 8sealed | 119 | Larena, Daniel (1517) | Won 2-0 | +161660 |
| 9sealed | 85 | Cano, Jonathan (1520) | Won 2-0 | +151675 |
| top | average opponent: 1507record: 5-3-1 | new rating: 1675 | ||
| Grand Prix Hasselt 2006 (RAV limited) | starting rating: 1614 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 9 | Love, James (1536) | Won 2-1 | +161630 |
| 2sealed | 30 | Veltchev, Kalin (1573) | Won 2-0 | +171647 |
| 3sealed | 51 | Van Compernolle, Luc (1552) | Lost 1-2 | -191628 |
| 4sealed | 81 | Verlaine, Yves (1572) | Won 2-0 | +171645 |
| 5sealed | 54 | Herssens, Bram (1539) | Won 2-0 | +161661 |
| 6sealed | 33 | Rensonnet, Pierre (1574) | Won 2-0 | +161677 |
| 7sealed | 24 | Nassif, Gabriel (1892) | Lost 0-2 | -141663 |
| 8sealed | 44 | Haka, Petr (1729) | Lost 1-2 | -171646 |
| 9sealed | 59 | Guenzel, Achim (1541) | Won 2-0 | +161662 |
| top | average opponent: 1612record: 6-3 | new rating: 1662 | ||
| Grand Prix Bilbao 2005 (extended) | starting rating: 1607 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 379 | Ginesta, Daniel (1496) | Lost 0-2 | -201587 |
| 2extended | 549 | Martin Gonzalez, Aitoz (1483) | Won 2-0 | +161603 |
| 3extended | 451 | Gomez, Santiago (1500) | Lost 0-2 | -201583 |
| 4extended | 545 | Ceracchini, Augusto (1538) | Won 2-0 | +171600 |
| 5extended | 463 | Laguillo Aja, Alfredo (1500) | Won 2-0 | +161616 |
| 6extended | 456 | Martinez, Delfin (1500) | Won 2-0 | +161632 |
| 7extended | 409 | Pinazo, Jorge (1598) | Won 2-1 | +181650 |
| 8extended | 409 | Rodriguez BARCINA, Pab (1553) | Lost 1-2 | -201630 |
| 9extended | 418 | Parazzoli, Dario (1734) | Lost 0-2 | -161614 |
| top | average opponent: 1545record: 5-4 | new rating: 1614 | ||
| Grand Prix Seville 2003 (LGN limited) | starting rating: 1626 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 243 | Sanchis, Vedast (1429) | Lost 1-2 | -221604 |
| 2sealed | 245 | Perez Rouez, Jose Antonio (1482) | Won 2-1 | +161620 |
| 3sealed | 207 | Burgos, Manuel (1476) | Won 2-0 | +151635 |
| 4sealed | 115 | Requena, Herminio (1519) | Won 2-0 | +161651 |
| 5sealed | 135 | Viana, Pedro (1618) | Lost 1-2 | -191632 |
| 6sealed | 165 | Sianes Castano, Antonio Manuel (1523) | Won 2-1 | +171649 |
| 7sealed | 88 | Cazassus, Fabien (1538) | Lost 0-2 | -201629 |
| 8sealed | 98 | Frutuoso, Miguel (1423) | Lost 0-2 | -221607 |
| top | average opponent: 1501record: 4-4 | new rating: 1607 | ||
| Grand Prix Lisbon 2002 (extended) | starting rating: 1576 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 161 | Moreno, Moises (1500) | Draw 1-1 | -21574 |
| 2extended | 150 | Perez de los Mozos, Hector (1484) | Won 2-1 | +171591 |
| 3extended | 94 | Escribano, Fernando (1552) | Won 2-0 | +171608 |
| 4extended | 78 | Candido, Joao (1486) | Lost 1-2 | -201588 |
| 5extended | 136 | Bailadeira, Filipe (1564) | Won 2-0 | +171605 |
| 6extended | 85 | Dols, Roel (1607) | Won 2-0 | +181623 |
| 7extended | 49 | Nassif, Gabriel (1829) | Lost 0-2 | -141609 |
| 8extended | 90 | Pinto, Bruno (1535) | Won 2-0 | +171626 |
| top | average opponent: 1570record: 5-2-1 | new rating: 1626 | ||
| Grand Prix Valencia 2001 (PLS limited) | starting rating: 1518 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 124 | Climent, Jaime (1479) | Won 2-0 | +171535 |
| 2sealed | 62 | Ballester, Juan (1517) | Won 2-0 | +171552 |
| 3sealed | 8 | Mestre, Raul (1535) | Won 2-1 | +181570 |
| 4sealed | 1 | Lopez, Rodrigo (1561) | Won 2-1 | +181588 |
| 5sealed | 7 | Olivieri, Nicolas (1758) | Won 2-0 | +211609 |
| 6sealed | 8 | Tauber, Pierre (1574) | Lost 0-2 | -191590 |
| 7sealed | 9 | Dobson, Tony (1490) | Lost 0-2 | -191571 |
| 8sealed | 11 | Gonzalez Lozano, Antonio Fernando (1573) | Won 2-0 | +181589 |
| 9draft | 14 | Joebstl, Markus (1731) | Won 2-1 | +201609 |
| 10draft | 5 | Cestaro, Laurent (1643) | Lost 0-2 | -171592 |
| 11draft | 10 | Ibanez Cuevas, Jose Antonio (1588) | Won 1-0 | +181610 |
| 12draft | 9 | Joebstl, Markus (1742) | Lost 1-2 | -161594 |
| 13draft | 10 | Mullor, Jorge (1559) | Lost 0-2 | -181576 |
| top | average opponent: 1596record: 8-5 | new rating: 1576 | ||
| Grand Prix Madrid 2000 (extended) | starting rating: 1499 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 132 | Garcia, Sergio (1500) | Won 2-0 | +181517 |
| 2extended | 60 | Alves, Carlos Fernando (1555) | Won 2-0 | +191536 |
| 3extended | 1 | Ibanez, Rafael (1454) | Lost 1-2 | -191517 |
| 4extended | 43 | Celis, Felix Angel (1518) | Won 2-0 | +181535 |
| 5extended | 22 | Oliveira, Sonia (1537) | Lost 0-2 | -181517 |
| 6extended | 46 | Valentini, Nicolas (1550) | Won 2-1 | +181535 |
| 7extended | 51 | Pacifici, Guido (1552) | Lost 1-2 | -171518 |
| top | average opponent: 1524record: 4-3 | new rating: 1518 | ||
| Grand Prix Barcelona 1999 (USG sealed) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 125 | Pous, Toni (1500) | Won 0-0 | +181518 |
| 3sealed | 134 | Lopez, Juan (1518) | Lost 0-0 | -181500 |
| 4sealed | 164 | Desc_rrega, Ra_ (1464) | Draw 0-0 | -11499 |
| 5sealed | 139 | Ricart, Jose Maria (1499) | Draw 0-0 | 01499 |
| top | average opponent: 1495record: 1-1-2 | new rating: 1499 | ||