Jirapongtrakul, Boonchai
Current rating: 1493
Record: 28-26-7 (GP) / 31-40-4 (professional)
- 2000
- 2001
- 2002
- 2003
- 2005
- 2006
- 2007
- 2009
- 2013
- 2019
| Grand Prix Bangkok 2019 (ELD limited) | starting rating: 1511 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 180 | Jackson, Chris [THA] (1500) | Draw 1-1 | 01511 |
| 2sealed | 175 | Suumaki, Mikko (1501) | Lost 1-2 | -181493 |
| top | average opponent: 1500record: 0-1-1 | new rating: 1493 | ||
| Grand Prix Bangkok 2013 (DGM limited) | starting rating: 1472 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 225 | Chew, Xin Ying (1520) | Lost 0-2 | -181454 |
| 2sealed | 294 | Ishak, Irfan (1363) | Won 2-1 | +171471 |
| 3sealed | 238 | Rattanavanitroj, Supaw (1499) | Won 2-0 | +181489 |
| 4sealed | 162 | Samanawong, Pitiwat (1516) | Lost 0-2 | -171472 |
| 5sealed | 195 | Viriyajit, Chanon (1501) | Won 2-0 | +181490 |
| 6sealed | 179 | Pek, Dennis (1570) | Won 2-1 | +201510 |
| 7sealed | 149 | Srirattana, Noppadol (1662) | Won 2-1 | +211531 |
| 8sealed | 87 | Lee, Nam Hyoung (1460) | Lost 1-2 | -201511 |
| top | average opponent: 1512record: 5-3 | new rating: 1511 | ||
| 2009 World Championship (mixed) | starting rating: 1467 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 63 | Soh, Joe (1610) | Won 2-1 | +201487 |
| 2standard | 38 | Erickson, Jens (1724) | Won 2-0 | +231510 |
| 3standard | 24 | Saito, Tomoharu (2074) | Lost 0-2 | -91501 |
| 4standard | 70 | Malquichagua, Manuel (1534) | Won 2-0 | +191520 |
| 5standard | 32 | Brenes, Jose Miguel (1632) | Lost 0-2 | -161504 |
| 6standard | 77 | Prinsloo, Theuns (1641) | Lost 1-2 | -161488 |
| 7draft | 83 | Dougherty, Robert (1950) | Won 2-0 | +261514 |
| 8draft | 172 | Eberhard, Michael (1536) | Lost 0-2 | -181496 |
| 9draft | 110 | Honores Wong, Carlos (1505) | Won 2-0 | +181514 |
| 10draft | 159 | Phillips, Cedric (1779) | Lost 1-2 | -131501 |
| 11draft | 65 | Fedon, Antonio (1580) | Lost 1-2 | -161485 |
| 12draft | 129 | Chen, Liang (1762) | Lost 1-2 | -131472 |
| top | average opponent: 1694record: 5-7 | new rating: 1472 | ||
| Grand Prix Bangkok 2009 (M10 limited) | starting rating: 1518 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 19 | Warmenhoven, Ruud (1669) | Lost 1-2 | -151503 |
| 4sealed | 115 | Posuwan, Komane (1487) | Lost 1-2 | -181485 |
| 5sealed | 111 | Chantarasena, Yodying (1498) | Lost 0-2 | -181467 |
| top | average opponent: 1551record: 0-3 | new rating: 1467 | ||
| Grand Prix Bangkok 2007 (LRW limited) | starting rating: 1524 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 14 | Punpuing, Paopun (1475) | Lost 0-2 | -191505 |
| 4sealed | 100 | Wang, Sim Loong (1620) | Won 2-0 | +211526 |
| 5sealed | 43 | Gan, Vincent (1688) | Lost 0-2 | -161510 |
| 6sealed | 69 | Wattanawichien, Thanac (1516) | Won 2-0 | +191529 |
| 7sealed | 46 | Ootsuka, Koutarou (1968) | Lost 0-2 | -111518 |
| top | average opponent: 1653record: 2-3 | new rating: 1518 | ||
| 2006 World Championship (mixed) | starting rating: 1568 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 70 | Ravitz, Joshua (1595) | Lost 1-2 | -171551 |
| 2standard | 129 | Tsavousis, Luke (1523) | Won 2-0 | +171568 |
| 3standard | 88 | Coimbra, Andre (2095) | Lost 1-2 | -91559 |
| 4standard | 127 | Tejerina, Diego (1484) | Won 2-1 | +171576 |
| 5standard | 114 | Chua, Chang (1737) | Lost 0-2 | -151561 |
| 6standard | 103 | Lauriol, Sylvain (1807) | Lost 1-2 | -141547 |
| 7draft | 135 | Braymore, Nathon (1567) | Lost 1-2 | -171530 |
| 8draft | 25 | Liu, Tsu Wei (1467) | Lost 1-2 | -201510 |
| 9draft | 163 | Haasum, Nicklas Juul (1583) | Won 2-0 | +201530 |
| 10draft | 51 | Fonseca, Guilherme (1626) | Won 2-0 | +191549 |
| 11draft | 42 | Kastle, Darwin (1543) | Lost 1-2 | -181531 |
| 12draft | 145 | Hirabayashi, Kazuya (1772) | Won 2-0 | +231554 |
| 13extended | 112 | Doise, Jan (1899) | Lost 1-2 | -121542 |
| 14extended | 134 | Szoke, Zoltan (1484) | Won 2-0 | +171559 |
| 15extended | 109 | de Diego, Pedro (1589) | Lost 0-2 | -181541 |
| 16extended | 124 | Horecki, Marcin (1486) | Won 2-1 | +171558 |
| 17extended | 118 | Rosales, Randy (1449) | Lost 0-2 | -201538 |
| 18extended | 123 | Herzog, Nicolai (1771) | Lost 1-2 | -141524 |
| top | average opponent: 1638record: 7-11 | new rating: 1524 | ||
| Grand Prix Singapore 2005 (extended) | starting rating: 1583 | |||
| round | table | opponent (rating) | result | Δrating |
| 4extended | 11 | Gong, Di Hui (1542) | Won 2-0 | +181601 |
| 5extended | 19 | Arita, Ryuichi (1725) | Draw 1-1 | +21603 |
| 6extended | 13 | Yuen, Kwan Ching (1718) | Lost 1-2 | -161587 |
| 7extended | 45 | Tung, Chang-Ming (1557) | Lost 1-2 | -191568 |
| top | average opponent: 1635record: 1-2-1 | new rating: 1568 | ||
| 2003 World Championship (mixed) | starting rating: 1571 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 28 | Ko, Chang Ching (1580) | Lost 0-2 | -181553 |
| 2standard | 131 | Ung-Aram, Tapparid (1520) | Won 2-0 | +181571 |
| 3standard | 62 | Warmenhoven, Ruud (1703) | Won 2-0 | +201591 |
| 4standard | 107 | Long, Darragh (1514) | Won 2-1 | +171608 |
| 5standard | 129 | Nitter, Eivind (1967) | Lost 0-2 | -121596 |
| 6standard | 51 | Ovutmen, Alp (1528) | Won 2-1 | +171613 |
| 7rochester | 132 | Pustilnik, Michael (1804) | Won 2-1 | +211634 |
| 8rochester | 108 | Kastle, Darwin (1936) | Won 2-1 | +231657 |
| 9rochester | 14 | Iny, Yoni (1558) | Won 2-0 | +171674 |
| 10rochester | 100 | Barclay, Bradley (1672) | Lost 1-2 | -181656 |
| 11rochester | 69 | Rider, Josh (1635) | Lost 1-2 | -191637 |
| 12rochester | 21 | Wagener, Joshua (1737) | Lost 0-2 | -161621 |
| 13extended | 99 | Su, Xu (1574) | Lost 1-2 | -191602 |
| 14extended | 56 | Idzikovsky, Eugene (1612) | Lost 0-2 | -181584 |
| 15extended | 22 | Fehr, Christian (1589) | Won 2-0 | +181602 |
| 16extended | 100 | Sierra, Jorge (1556) | Won 2-1 | +181620 |
| 17extended | 60 | Damizet, Stephane (1672) | Lost 0-2 | -171603 |
| 18extended | 52 | Iny, Yoni (1537) | Lost 0-2 | -201583 |
| top | average opponent: 1650record: 9-9 | new rating: 1583 | ||
| Grand Prix Bangkok 2003 (SCG standard) | starting rating: 1550 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 16 | Keawmahapinyo, Noppawat (1536) | Won 2-1 | +181568 |
| 4standard | 17 | Tan, Chuen Hwa (1641) | Draw 1-1 | +21570 |
| 5standard | 21 | Phakapan, Chairat (1538) | Won 2-1 | +171587 |
| 6standard | 9 | Wong, Nicholas Jonathan (1659) | Draw 1-1 | +11588 |
| 7standard | 22 | Yamada, Tsutomu (1634) | Lost 1-2 | -171571 |
| top | average opponent: 1601record: 2-1-2 | new rating: 1571 | ||
| Pro Tour Chicago 2003 (ONS rochester) | starting rating: 1582 | |||
| round | table | opponent (rating) | result | Δrating |
| 1rochester | 117 | Kowal, Brian (1606) | Lost 0-2 | -181564 |
| 2rochester | 151 | Goldberg, Jozef (1370) | Lost 0-2 | -211543 |
| 3rochester | 159 | Williams, Brady (1697) | Lost 1-2 | -151528 |
| 4rochester | 80 | Tsang, Gabriel (1994) | Lost 1-2 | -101518 |
| 5rochester | 158 | Freedman, Dan (1389) | Won 2-0 | +151533 |
| 6rochester | 45 | Fujimoto, Takehiro (1488) | Won 2-0 | +171550 |
| 7rochester | 111 | Parton, Chris (1476) | ID | 01550 |
| top | average opponent: 1574record: 2-4-1 | new rating: 1550 | ||
| Pro Tour Nice 2002 (TOR draft) | starting rating: 1592 | |||
| round | table | opponent (rating) | result | Δrating |
| 1draft | 113 | Salovaara, Jussi (1673) | Lost 0-2 | -171575 |
| 2draft | 82 | Stokinger, Andrew (1726) | Lost 1-2 | -151560 |
| 3draft | 97 | Peli, Ben (1469) | Lost 1-2 | -201540 |
| 4draft | 154 | Wolowiec, Przemyslaw (1506) | Won 2-0 | +181558 |
| 5draft | 61 | Ranque, Wilfried (1775) | Lost 1-2 | -141544 |
| 6draft | 52 | Ross, Edward (1590) | Won 2-0 | +181562 |
| 7draft | 109 | Lysak, Zdenek (1647) | Won 2-1 | +201582 |
| top | average opponent: 1626record: 3-4 | new rating: 1582 | ||
| Grand Prix Kuala Lumpur 2002 (TOR limited) | starting rating: 1584 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 30 | Tan, Chee Keong (1537) | Won 2-0 | +171601 |
| 4sealed | 16 | Lim, Jian Liang (1508) | Lost 0-2 | -191582 |
| 5sealed | 28 | Lim, Ban Wah (1539) | Won 2-0 | +171599 |
| 6sealed | 14 | Teo, Yi Chiang (1519) | Won 2-0 | +161615 |
| 7sealed | 17 | Ahamad Kamal, Ahmad Omar (1503) | ID | 01615 |
| 8draft | 27 | Ng, Soon Lye (1576) | Lost 1-2 | -181597 |
| 9draft | 21 | Gan, Vincent (1539) | Lost 0-2 | -191578 |
| 10draft | 30 | Rosdin, Razif (1501) | Won 2-1 | +161594 |
| 11draft | 29 | Gan, Vincent (1540) | Won 2-1 | +171611 |
| 12draft | 29 | Hoon, Kelvin (1698) | Lost 1-2 | -161595 |
| 13draft | 20 | Sirimanne, Barry (1426) | Draw 1-1 | -31592 |
| top | average opponent: 1535record: 5-4-2 | new rating: 1592 | ||
| Pro Tour Osaka 2002 (Odyssey block) | starting rating: 1551 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 50 | Herberholz, Mark (1509) | Draw 1-1 | -11550 |
| 2block | 69 | Beacham, Steve (1554) | Won 2-0 | +181568 |
| 3block | 35 | Wiegersma, Jelger (1983) | Won 2-1 | +251593 |
| 4block | 19 | Lau, Sam Lei Kang (1705) | Lost 1-2 | -161577 |
| 5block | 45 | Humpherys, David (1993) | Lost 0-2 | -101567 |
| 6block | 72 | Nitter, Eivind (1702) | Draw 1-1 | +21569 |
| 7block | 80 | Taylor, Jeff O (1412) | Won 2-1 | +151584 |
| top | average opponent: 1694record: 3-2-2 | new rating: 1584 | ||
| Pro Tour San Diego 2002 (ODY rochester) | starting rating: 1560 | |||
| round | table | opponent (rating) | result | Δrating |
| 1rochester | 106 | Baberowski, Dirk (1669) | Lost 1-2 | -161544 |
| 2rochester | 156 | Price, David (1748) | Won 2-0 | +221566 |
| 3rochester | 47 | Pope, David (1454) | Won 2-0 | +151581 |
| 4rochester | 93 | Assen, Johan (1560) | Draw 1-1 | 01581 |
| 5rochester | 10 | Malka, Sol (1891) | Draw 1-1 | +61587 |
| 6rochester | 11 | Bagashev, Yuri (1543) | Lost 1-2 | -191568 |
| 7rochester | 107 | Shwe, Huei-Saint (1633) | Lost 0-2 | -171551 |
| top | average opponent: 1642record: 2-3-2 | new rating: 1551 | ||
| Grand Prix Hong Kong 2001 (ODY limited) | starting rating: 1562 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 20 | Siu, Lam Siu (1500) | Won 2-1 | +171579 |
| 2sealed | 17 | Wong, Derek (1518) | Won 2-0 | +171596 |
| 3sealed | 8 | Ng, Kwok Wing (1604) | Lost 0-2 | -181578 |
| 4sealed | 50 | Leung, Chin Wang (1501) | Lost 0-2 | -191559 |
| 5sealed | 61 | Abe, Ryou (1623) | Draw 1-1 | +11560 |
| top | average opponent: 1549record: 2-2-1 | new rating: 1560 | ||
| Grand Prix Singapore 2001 (Invasion block) | starting rating: 1554 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 63 | Lin, Jinyi M (1518) | Won 2-0 | +171571 |
| 2block | 11 | Hoon, Kelvin (1552) | Lost 0-2 | -181553 |
| 3block | 50 | Lim, Jimmy Chun Long (1518) | Won 2-1 | +171570 |
| 4block | 76 | Lin, Gordon (1659) | Lost 1-2 | -161554 |
| 5block | 72 | Toh, Xiang Wei (1500) | Won 2-0 | +171571 |
| 6block | 56 | Wijaya, Vidianto (1465) | Won 2-0 | +161587 |
| 7block | 51 | Chee, Jia Hui (1537) | Won 2-0 | +171604 |
| 8block | 23 | Zee, Way Leong (1465) | Draw 1-1 | -21602 |
| 9block | 27 | Ong, Kok Seng (1489) | Lost 0-1 | -201582 |
| 10block | 30 | Higaki, Takao (1691) | Lost 1-2 | -161566 |
| 11block | 30 | Wong, Kok Ming (1420) | Lost 1-2 | -211545 |
| 13block | 29 | Ng, Bob Yeong Siang (1506) | Won 2-0 | +171562 |
| top | average opponent: 1527record: 6-5-1 | new rating: 1562 | ||
| Grand Prix Singapore 2000 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 33 | Azlan, Cameron Aziz (1500) | Lost 1-2 | -181482 |
| 2extended | 54 | Choo, Kian Leong (1482) | Lost 0-2 | -181464 |
| 3extended | 77 | Ong, Wei Keong Daniel (1465) | Won 2-1 | +181482 |
| 4extended | 81 | Chotirat, Ommaphat (1482) | Won 2-1 | +181500 |
| 5extended | 62 | Ketwongsa, Kriwut (1500) | Won 2-0 | +181518 |
| 6extended | 59 | Natasastra, Jeffry (1517) | Won 2-0 | +181536 |
| 7extended | 41 | Sng, Jason Koon Yeow (1537) | Won 2-0 | +181554 |
| top | average opponent: 1497record: 5-2 | new rating: 1554 | ||