Siira, Erkki
Current rating: 1588
Record: 14-12-1 (GP) / 41-46 (professional)
| Grand Prix Stockholm 2014 (KTK standard) | starting rating: 1577 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 171 | Kessel, Jens (1579) | Won 2-0 | +181595 |
| 2standard | 31 | Valkamaa, Saku (1518) | Draw 1-1 | -21593 |
| 3standard | 239 | Rohman, Nicklas (1396) | Won 2-1 | +151608 |
| 4standard | 134 | Pettersson, Thomas (1818) | Lost 0-2 | -141594 |
| 5standard | 246 | Wikstrom, Mikael (1448) | Won 2-1 | +151609 |
| 6standard | 156 | Backeman, Peter (1593) | Lost 0-2 | -181591 |
| 7standard | 231 | Hyvarinen, Juho (1524) | Won 2-1 | +171608 |
| 8standard | 157 | Kaergaard, Martin (1534) | Lost 1-2 | -201588 |
| top | average opponent: 1551record: 4-3-1 | new rating: 1588 | ||
| Grand Prix Malmo 2012 (AVR limited) | starting rating: 1637 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 506 | Pettersson, Santi (1480) | Lost 0-2 | -211616 |
| 3sealed | 589 | Sorknaes, Johan (1541) | Lost 0-2 | -191597 |
| 4sealed | 657 | Walser, Rene (1484) | Lost 1-2 | -201577 |
| top | average opponent: 1501record: 0-3 | new rating: 1577 | ||
| Grand Prix Paris 2011 (MBS limited) | starting rating: 1649 | |||
| round | table | opponent (rating) | result | Δrating |
| 4sealed | 1053 | Cho, Joshua (1601) | Won 2-0 | +181667 |
| 5sealed | 1018 | Pascoli, Mario (1918) | Lost 0-2 | -141653 |
| 6sealed | 1052 | Crisci, Nikolas (1657) | Won 2-1 | +181671 |
| 7sealed | 1039 | Maubert, Noham (1644) | Lost 0-2 | -181653 |
| 8sealed | 1067 | Ross, Tom (1795) | Lost 0-2 | -161637 |
| top | average opponent: 1723record: 2-3 | new rating: 1637 | ||
| Pro Tour Paris 2011 (MBS standard) | starting rating: 1673 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 93 | Bohac, Lance (1688) | Won 2-0 | +181691 |
| 2standard | 20 | Ishimura, Shintaro (1925) | Lost 1-2 | -141677 |
| 3standard | 161 | Telarov, Aleksa (1695) | Won 2-0 | +191696 |
| 4standard | 41 | Hagiwara, Noriyuki (1749) | Lost 0-2 | -171679 |
| 5standard | 104 | Carvalho, Marcio (2024) | Lost 1-2 | -121667 |
| 6draft | 94 | Kanis, Jeroen (1699) | Lost 0-2 | -181649 |
| top | average opponent: 1797record: 2-4 | new rating: 1649 | ||
| 2010 World Championship (mixed) | starting rating: 1536 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 90 | Thompson, Gerry (2058) | Won 2-0 | +271563 |
| 2standard | 4 | Yurchick, Adam (1836) | Won 2-1 | +231586 |
| 3standard | 6 | Tamada, Ryoichi (1662) | Lost 1-2 | -171569 |
| 4standard | 50 | Meier, Gabriel (1594) | Won 2-0 | +191588 |
| 5standard | 40 | Shalev, Tamir (1548) | Won 2-0 | +171605 |
| 6standard | 9 | van Medevoort, Robert (1982) | Won 2-1 | +241629 |
| 7draft | 7 | Tan, Steven (1710) | Lost 1-2 | -161613 |
| 8draft | 104 | Govedarov, Ivan (1583) | Won 2-1 | +171630 |
| 9draft | 25 | Pedrakowski, Tomasz (1841) | Won 2-0 | +221652 |
| 10draft | 68 | Sperling, Matthew (1925) | Lost 1-2 | -131639 |
| 11draft | 134 | Techarattanaprasert, Mongkol (1862) | Won 2-0 | +221661 |
| 12draft | 18 | Canali, Pierre (1832) | Won 2-0 | +211682 |
| 13extended | 5 | Williams, David A (1908) | Won 2-1 | +221704 |
| 14extended | 3 | Damo da Rosa, Paulo Vitor (2013) | Lost 0-2 | -121692 |
| 15extended | 9 | Elfgren, Bertil (2019) | Lost 1-2 | -131679 |
| 16extended | 22 | Lybaert, Marijn (2021) | Lost 0-2 | -121667 |
| 17extended | 21 | Techarattanaprasert, Mongkol (1845) | Won 2-0 | +221689 |
| 18extended | 18 | Grafensteiner, Daniel (1822) | Lost 0-2 | -161673 |
| top | average opponent: 1837record: 11-7 | new rating: 1673 | ||
| 2008 World Championship (mixed) | starting rating: 1541 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 157 | Martin, Quentin (1796) | Won 2-0 | +221563 |
| 2standard | 53 | Ootsuka, Koutarou (2046) | Lost 1-2 | -101553 |
| 3standard | 113 | Ruel, Olivier (2041) | Lost 1-2 | -101543 |
| 4standard | 95 | Vargas, Antonio A (1490) | Lost 0-2 | -181525 |
| 5standard | 116 | Arndt, Marcel (1476) | Won 2-0 | +171542 |
| 6standard | 96 | Mantey, Tyler (1749) | Lost 1-2 | -151527 |
| 7draft | 43 | Randle, Jonathan (1642) | Lost 0-2 | -161511 |
| 8draft | 157 | Koklu, Alp (1470) | Lost 1-2 | -181493 |
| 9draft | 40 | Wafo-Tapa, Guillaume (1805) | Won 2-1 | +231516 |
| 10draft | 108 | Peyronnel, Christophe (1584) | Won 2-0 | +191535 |
| 11draft | 86 | Kim, Cynic (1725) | Won 2-1 | +221557 |
| 12draft | 134 | Higuera, Andres (1521) | Lost 0-2 | -191538 |
| 13extended | 105 | Stoichkov, Kiril (1547) | Lost 0-2 | -181520 |
| 14extended | 122 | Rowland, Daniel (1443) | Won 2-1 | +171537 |
| 15extended | 105 | Lorenz, Jan (1520) | Won 2-1 | +181555 |
| 16extended | 83 | Yang, Zheng Yan (1485) | Lost 1-2 | -201535 |
| 17extended | 102 | Krzikalla, Olaf (1589) | Lost 0-2 | -171518 |
| 18extended | 101 | Valis, Filip (1510) | Won 2-1 | +181536 |
| top | average opponent: 1636record: 8-10 | new rating: 1536 | ||
| 2007 World Championship (mixed) | starting rating: 1653 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 117 | Ikeda, Tsuyoshi (1799) | Lost 1-2 | -151638 |
| 2standard | 109 | Popov, Miro (1351) | Lost 1-2 | -231615 |
| 3standard | 176 | Chambers, Adam (1922) | Won 2-1 | +231638 |
| 4standard | 151 | Esper Berthoud, Lucas (1551) | Won 2-1 | +161654 |
| 5standard | 76 | Sittner, Alex (1680) | Lost 1-2 | -171637 |
| 6draft | 68 | Monsen, Haakon (1732) | Lost 0-2 | -161621 |
| 7draft | 21 | Sibast, Rasmus (1800) | Lost 1-2 | -151606 |
| 8draft | 85 | Chick, Hoi (1536) | Lost 0-2 | -191587 |
| 9draft | 34 | Fortier, Remi (1665) | Won 2-0 | +191606 |
| 10draft | 122 | Bennett, Michael (1450) | Won 2-1 | +151621 |
| 11draft | 75 | Wang, Ming Chee (1555) | Lost 0-2 | -191602 |
| 12legacy | 161 | Teeradechsakul, Teerachai (1562) | Won 2-1 | +171619 |
| 13legacy | 145 | Karafotis, Konstantinos (1396) | Lost 1-2 | -221597 |
| 14legacy | 133 | Ledezma, Jose (1482) | Lost 1-2 | -201577 |
| 15legacy | 142 | Ko, Chang Ching (1604) | Lost 0-2 | -171560 |
| 16legacy | 151 | Boistard, Nicolas (1493) | Lost 0-2 | -191541 |
| top | average opponent: 1599record: 5-11 | new rating: 1541 | ||
| Pro Tour Geneva 2007 (PLC draft) | starting rating: 1686 | |||
| round | table | opponent (rating) | result | Δrating |
| 1draft | 30 | Reitbauer, David (1879) | Won 2-0 | +211707 |
| 2draft | 52 | Pattaro, Eloi Ugo (1487) | Lost 0-2 | -211686 |
| 3draft | 95 | Nishiwaki, Kazuhisa (1671) | Lost 0-2 | -191667 |
| 4draft | 183 | Arrieta, Alonso (1493) | Won 2-1 | +151682 |
| 5draft | 7 | Polgary, Mikael (1757) | Lost 1-2 | -171665 |
| 6draft | 110 | Cornelissen, Kamiel (1982) | Lost 0-2 | -121653 |
| top | average opponent: 1711record: 2-4 | new rating: 1653 | ||
| 2006 World Championship (mixed) | starting rating: 1608 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 41 | Vefa, Yusuf Kemal (1378) | Won 2-0 | +141622 |
| 2standard | 16 | Creiche, Selim (1535) | Won 2-0 | +161638 |
| 3standard | 36 | Delgado, Ernesto (1449) | Lost 0-2 | -211617 |
| 4standard | 36 | Chung, Sse-Hsing (1617) | Won 2-0 | +181635 |
| 5standard | 37 | Orav, Joonas (1546) | Won 2-1 | +161651 |
| 6standard | 26 | He, Timothy L (1858) | Lost 1-2 | -141637 |
| 7draft | 36 | Leong, Ding Yuan (1817) | Lost 0-2 | -151622 |
| 8draft | 92 | Maaten, Rogier (1830) | Lost 0-2 | -141608 |
| 9draft | 88 | Nerhus, Steinar (1522) | Won 2-0 | +171625 |
| 10draft | 138 | Roca Suarez, Diego (1595) | Won 2-1 | +171642 |
| 11draft | 54 | Huba, Michal (1598) | Won 2-0 | +171659 |
| 12draft | 29 | Coimbra, Andre (2082) | Lost 0-2 | -111648 |
| 13extended | 42 | Mazzurco, Carlo (1616) | Won 2-1 | +181666 |
| 14extended | 30 | McDaniel, Chris (1769) | Lost 1-2 | -161650 |
| 15extended | 54 | Moreno, William (1620) | Won 2-1 | +171667 |
| 16extended | 47 | Makuch, Michal (1568) | Won 2-0 | +161683 |
| 17extended | 37 | Suarez, Felipe (1632) | Lost 0-2 | -191664 |
| 18extended | 41 | Jones, Craig (1862) | Won 2-1 | +221686 |
| top | average opponent: 1661record: 11-7 | new rating: 1686 | ||
| Pro Tour Nagoya 2005 (COK rochester) | starting rating: 1613 | |||
| round | table | opponent (rating) | result | Δrating |
| 1rochester | 47 | Sels, Bert (1405) | Lost 1-2 | -211592 |
| 2rochester | 99 | Menard, Antoine (1835) | Won 2-0 | +221614 |
| 3rochester | 81 | Puszet, Jarron (1702) | Lost 1-2 | -161598 |
| 4rochester | 112 | Kato, Kazuki (1919) | Won 2-1 | +231621 |
| 5rochester | 102 | Siron, Geoffrey (1899) | Lost 0-2 | -131608 |
| top | average opponent: 1752record: 2-3 | new rating: 1608 | ||
| Grand Prix Helsinki 2004 (COK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 4sealed | 43 | Dushkevich, Artem (1600) | Won 2-0 | +201520 |
| 5sealed | 13 | Tagunov, Denis (1620) | Lost 1-2 | -161504 |
| 6sealed | 33 | Heiska, Jaakko (1504) | Won 2-0 | +181522 |
| 7sealed | 22 | Malukov, Pavel (1529) | Won 2-1 | +181540 |
| 8sealed | 13 | Skalevik, Tore (1665) | ID | 01540 |
| 9rochester | 31 | Saaro, Olli (1541) | Won 2-0 | +181558 |
| 10rochester | 26 | Salvin, Jean Charles (1768) | Lost 1-2 | -141544 |
| 11rochester | 16 | Polgary, Mikael (1811) | Won 2-1 | +221566 |
| 12rochester | 2 | Ylinen, Olli (1597) | Won 2-0 | +191585 |
| 13rochester | 7 | Martin, Quentin (1762) | Won 2-0 | +211606 |
| 14rochester | 3 | Gundersen, Thomas (1943) | Won 2-1 | +241630 |
| Qrochester | Tarp, Ulrik (1702) | Lost 0-2 | -171613 | |
| top | average opponent: 1670record: 8-3-1 | new rating: 1613 | ||