RatingsWRL World RatingIvar Bouwman

Ivar Bouwman

WRL World Rating — #27 of 417 · rating 2090 · 80 games · last played 2026-10-18

1200 1400 1600 1800 2000 1500 — everyone starts here model uncertainty (σ 3.8) — lower is more certain; each game pays it down Aug 24 Jan 25 Mar Nov Feb 26 Mar Jul Sep Oct

Game by game

DateTableResult Rating
2026-10-1813th European World Riichi League event - Toulouse
1754 Selim Tlatli 1st (+35.3) 2578 Valentin Courtois 3rd (-2.8) 1821 Constance Braas 4th (-48.7)
2nd (+16.2) 2090 +38 (+33s +5c)
2026-10-1813th European World Riichi League event - Toulouse
1887 Anthony Barbier 1st (+53.1) 1952 Sacha Dunan 2nd (+4.8) 1743 Selim Tlatli 3rd (-11.7)
4th (-47.2) 2052 -34 (-40s +6c)
2026-10-1813th European World Riichi League event - Toulouse
1895 Benoit Dessort 1st (+41.9) 1669 Kevin Chau 3rd (-19.0) 1531 Matthias Moyon 4th (-54.7)
2nd (+31.8) 2086 +28 (+24s +5c)
2026-10-1813th European World Riichi League event - Toulouse
2402 Jérémie Pierard de Maujouy 1st (+22.1) 1593 Guillaume Aubut 3rd (-10.0) 1931 Constance Braas 4th (-23.5)
2nd (+10.4) 2058 +36 (+32s +4c)
2026-10-1713th European World Riichi League event - Toulouse
1430 Caitlin Seltrecht 1st (+24.0) 1791 Sacha Dunan 2nd (+9.2) 1423 Karten Zajac 3rd (-7.3)
4th (-25.9) 2022 -49 (-54s +5c)
2026-10-1713th European World Riichi League event - Toulouse
1774 Paul-Arthur Valet 1st (+28.9) 1491 Nikolas Zajac 3rd (-6.4) 1467 Andy Xu 4th (-34.0)
2nd (+11.5) 2071 +26 (+22s +4c)
2026-10-1713th European World Riichi League event - Toulouse
1962 Alexandre Dauriac 2nd (+8.6) 1577 Matthias Moyon 3rd (-7.9) 2597 Valentin Courtois 4th (-23.0)
1st (+22.3) 2045 +48 (+47s +1c)
2026-10-1713th European World Riichi League event - Toulouse
1999 Jasper Germeys 1st (+23.4) 2043 Cécile Blanc 2nd (+10.4) 1780 Julien Delamarche 4th (-26.8)
3rd (-8.0) 1997 +19 (+9s +9c)
2026-09-0612th European World Riichi League Event - Bristol
1616 Jason He 1st (+22.5) 2274 Jérémie Pierard de Maujouy 2nd (+12.0) 1830 Duy Manh Le 3rd (-5.4)
4th (-29.1) 1978 -34 (-39s +6c)
2026-09-0612th European World Riichi League Event - Bristol
1674 Sio I Liang 1st (+30.5) 1969 Michael van der Sluijs 2nd (+8.6) 1475 Danny Chan 3rd (-11.3)
4th (-27.8) 2012 -53 (-61s +8c)
2026-09-0612th European World Riichi League Event - Bristol
1910 Louis Holsbrink 1st (+41.4) 1722 Derek Choi 2nd (+6.8) 1645 Dennis Chau 4th (-41.2)
3rd (-7.0) 2065 +13 (+6s +6c)
2026-09-0612th European World Riichi League Event - Bristol
1622 Michael Fujiwara 2nd (+17.0) 1624 Hanqing Zhao 3rd (+6.7) 1468 Natsuko Fujiwara 4th (-53.8)
1st (+30.1) 2052 +41 (+39s +1c)
2026-09-0612th European World Riichi League Event - Bristol
unrated Guest 1st (+41.4) 1708 Sam Bentham 2nd (+6.8) 1655 Vlad-Daniel Stanciu 3rd (-8.5)
4th (-39.7) 2011 -37 (-40s +4c)
2026-09-0612th European World Riichi League Event - Bristol
1582 Xander Clinton 1st (+42.5) 2195 Christiaan Göbel 3rd (-13.5) 1431 Eliot Hollier 4th (-35.4)
2nd (+6.4) 2048 +30 (+26s +4c)
2026-09-0612th European World Riichi League Event - Bristol
1573 Victor Tiberg 2nd (+10.0) 1515 Kevin Chau 3rd (-9.8) 2588 Valentin Courtois 4th (-24.6)
1st (+24.4) 2018 +45 (+43s +1c)
2026-09-0612th European World Riichi League Event - Bristol
1553 Devi Steck 1st (+35.1) 1949 Dean Wang 2nd (+5.5) 2075 Edwin Dizon 3rd (-13.0)
4th (-28.6) 1973 -47 (-56s +10c)
2026-07-05World Riichi League Bucharest July 2026
1988 Cécile Blanc 1st (+29.3) 1637 Lena Weinguny 2nd (+13.3) 1760 Manuel Kameda-Schlich 3rd (-3.8)
4th (-38.8) 2020 -59 (-71s +11c)
2026-07-05World Riichi League Bucharest July 2026
1556 Lena Weinguny 1st (+28.1) 1575 Lassi Lähteenmäki 2nd (+5.5) 2001 Vitalii Balaniuk 4th (-26.7)
3rd (-6.9) 2079 +7 (-2s +9c)
2026-07-05World Riichi League Bucharest July 2026
1816 Dean Wang 1st (+33.7) 2519 Valentin Courtois 2nd (+2.1) 1995 Hiroshi Kameda 4th (-24.9)
3rd (-10.9) 2072 +12 (-4s +16c)
2026-07-05World Riichi League Bucharest July 2026
1894 Alexandre Dauriac 1st (+40.3) 1576 Rene Khezam 2nd (+12.5) 1582 Aleksanteri Kupi 3rd (-10.1)
4th (-42.7) 2060 -58 (-69s +10c)
2026-07-05World Riichi League Bucharest July 2026
2011 Vitalii Balaniuk 1st (+49.6) 1903 Jasper Germeys 3rd (-17.6) 1838 Dean Wang 4th (-37.9)
2nd (+4.9) 2118 +36 (+27s +9c)
2026-07-05World Riichi League Bucharest July 2026
1613 Jouni Lehtinen 1st (+56.0) 1943 Cécile Blanc 2nd (+0.9) 1630 Lassi Lähteenmäki 4th (-39.7)
3rd (-17.2) 2082 +9 (+1s +8c)
2026-07-05World Riichi League Bucharest July 2026
2030 Henri Mäkelä 2nd (+7.0) 2137 Christiaan Göbel 3rd (-4.3) 1422 Maciej Derwich 4th (-29.3)
1st (+26.6) 2073 +51 (+48s +3c)
2026-07-05World Riichi League Bucharest July 2026
1905 Feiyang Qiu 1st (+38.7) 1500 Aleksi Fagerroth 2nd (+14.0) 1500 Devi Steck 4th (-34.3)
3rd (-19.4) 2022 +5 (+0s +6c)
2026-03-28WRL Toulouse 2026-03
2036 Jessica Lang 1st (+30.1) 1952 Benoit Dessort 2nd (+5.7) 1777 Anthony Barbier 3rd (-6.9)
4th (-28.9) 2017 -44 (-54s +10c)
2026-03-28WRL Toulouse 2026-03
1680 Julien Delamarche 2nd (+6.3) 1377 Guillaume Chambas 3rd (-13.4) 1495 Junjie Sun 4th (-26.2)
1st (+33.3) 2061 +44 (+41s +3c)
2026-03-28WRL Toulouse 2026-03
1731 Kohei Miyake 1st (+53.6) 1403 Silène Yu 3rd (-17.7) 1935 Michael van der Sluijs 4th (-62.8)
2nd (-3.1) 2017 +31 (+25s +5c)
2026-03-28WRL Toulouse 2026-03
1728 Bryan Manchez 2nd (+14.3) 1924 Kan Chen 3rd (-8.1) 1650 Maxime Rouvreau 4th (-39.4)
1st (+33.2) 1986 +50 (+48s +2c)
2026-03-28WRL Toulouse 2026-03
2002 Cécile Blanc 1st (+46.6) 1783 Dean Wang 3rd (-18.9) 2190 Christiaan Göbel 4th (-33.3)
2nd (+5.6) 1936 +46 (+40s +6c)
2026-03-28WRL Toulouse 2026-03
1768 Taiki Ando 1st (+38.5) unrated Sub 2 3rd (-3.2) 2251 Jérémie Pierard de Maujouy 4th (-48.9)
2nd (+13.6) 1890 +41 (+36s +5c)
2026-03-28WRL Toulouse 2026-03
1577 White Li 1st (+25.3) 1904 Hiroshi Kameda 3rd (-12.4) 1765 Alexandre Dauriac 4th (-23.7)
2nd (+10.8) 1849 +36 (+32s +5c)
2026-03-28WRL Toulouse 2026-03
1727 Paul-Arthur Valet 1st (+21.8) 1548 Noah Schaar 2nd (+10.0) unrated Sub 1 4th (-22.8)
3rd (-9.0) 1813 +12 (+5s +7c)
2026-02-22WRL 2026-02
1460 Jonas Frings 2nd (+16.8) 1989 Michael van der Sluijs 3rd (-23.8) 1805 Taiki Ando 4th (-40.0)
1st (+47.0) 1801 +57 (+55s +2c)
2026-02-22WRL 2026-02
1943 Hiroshi Kameda 1st (+25.9) 1902 Feiyang Qiu 2nd (+15.1) 1689 Constance Braas 3rd (-5.1)
4th (-35.9) 1744 -47 (-56s +9c)
2026-02-22WRL 2026-02
2108 Henri Devillez 1st (+20.8) 1971 Linh Van Leuven 2nd (+9.4) 1523 Qinxiang Hou 3rd (-3.4)
4th (-26.8) 1791 -54 (-65s +11c)
2026-02-22WRL 2026-02
2157 Valentin Courtois 1st (+45.2) 2019 Michael van der Sluijs 3rd (-17.6) 2034 Linh Van Leuven 4th (-33.2)
2nd (+5.6) 1845 +53 (+48s +5c)
2026-02-22WRL 2026-02
1670 Feiyang Qiu 1st (+23.1) 1520 Edwin Dizon 2nd (+5.5) 1889 Taiki Ando 4th (-20.2)
3rd (-8.4) 1792 +11 (+1s +10c)
2026-02-22WRL 2026-02
1578 Tiziano van der Waals 1st (+25.5) 1636 Tom Pearson 2nd (+2.4) 2178 Henri Devillez 3rd (-8.2)
4th (-19.7) 1781 -39 (-47s +8c)
2026-02-22WRL 2026-02
2197 Jérémie Pierard de Maujouy 1st (+31.7) 1590 Louis Holsbrink 2nd (+13.9) 1571 Constance Braas 4th (-30.1)
3rd (-15.5) 1820 +3 (-10s +13c)
2026-02-22WRL 2026-02
1826 Hiroshi Kameda 2nd (+15.6) 1694 Dean Wang 3rd (-8.1) 1500 David Kaczér 4th (-39.9)
1st (+2.4) 1817 +12 (+3s +9c)
2026-02-01WRL#8 2026 Louvain-la-Neuve
unrated Sub 1 1st (+41.7) 1504 Constance Braas 3rd (-21.1) 1678 Louis Holsbrink 4th (-37.3)
2nd (+16.7) 1805 +35 (+29s +5c)
2026-02-01WRL#8 2026 Louvain-la-Neuve
1434 Vadim Horwat 1st (+41.2) 2001 Christiaan Göbel 2nd (+6.8) 2060 Linh Van Leuven 4th (-40.8)
3rd (-7.2) 1770 +32 (+23s +9c)
2026-02-01WRL#8 2026 Louvain-la-Neuve
1580 Julien Delamarche 1st (+28.9) 1769 Taiki Ando 3rd (-7.9) 1893 Michael van der Sluijs 4th (-32.5)
2nd (+10.5) 1738 +46 (+42s +5c)
2026-02-01WRL#8 2026 Louvain-la-Neuve
1707 Paul-Arthur Valet 1st (+30.5) 1535 Przemysław Picheta 3rd (-7.4) 1703 Nathan Germeau 4th (-28.3)
2nd (+4.2) 1692 +43 (+39s +4c)
2026-02-01WRL#8 2026 Louvain-la-Neuve
1560 Kan Chen 1st (+37.7) 1848 Henri Mäkelä 2nd (+6.7) 1582 Vincent Bormans 3rd (-9.9)
4th (-34.5) 1649 -46 (-54s +8c)
2026-02-01WRL#8 2026 Louvain-la-Neuve
2002 Steven Hue 1st (+32.5) 1668 Jessica Lang 2nd (+14.4) 1540 Michał Tkaczyk 3rd (-15.1)
4th (-31.8) 1695 -58 (-67s +10c)
2026-02-01WRL#8 2026 Louvain-la-Neuve
1718 Haddou Keil 1st (+42.6) 1850 Benoit Dessort 2nd (-0.8) 2015 Arnaud Renard 4th (-26.8)
3rd (-15.0) 1753 +28 (+17s +10c)
2026-02-01WRL#8 2026 Louvain-la-Neuve
1500 Dean Wang 1st (+18.1) 1942 Aleksander Orlikowski 2nd (+1.2) unrated Sub 2 2nd (+1.2)
4th (-20.5) 1725 -24 (-28s +4c)
2025-11-02World Riichi League Bucharest
unrated Substitute 2 2nd (-21.0) 1932 Arnaud Renard 3rd (-11.7) 1563 Michał Tkaczyk 4th (-36.5)
1st (+38.2) 1749 +57 (+54s +2c)
2025-11-02World Riichi League Bucharest
1871 Vitalii Balaniuk 1st (+23.2) 1837 Mihnea Petraru 2nd (+8.3) 1644 Jasper Germeys 3rd (-6.1)
4th (-25.4) 1692 -58 (-69s +12c)
2025-11-02World Riichi League Bucharest
1439 David Gadalean 1st (+34.7) 1251 Grant Mahoney 3rd (-2.2) unrated Substitute 1 4th (-46.4)
2nd (+13.9) 1750 +30 (+24s +6c)
2025-11-02World Riichi League Bucharest
1642 Michał Waliszewski 1st (+27.1) 1918 Arnaud Renard 3rd (-5.4) 1299 Grant Mahoney 4th (-32.4)
2nd (+10.7) 1720 +41 (+34s +7c)
2025-11-02World Riichi League Bucharest
1646 Mihnea Petraru 2nd (+6.7) 1723 Alexandre Dauriac 3rd (-6.8) 1524 David Gadalean 4th (-30.5)
1st (+30.6) 1679 +58 (+56s +2c)
2025-11-02World Riichi League Bucharest
1751 Christiaan Göbel 1st (+28.5) unrated Substitute 2 2nd (+11.7) 1534 Mirela Lucia Khezam 4th (-35.7)
3rd (-4.5) 1621 +17 (+9s +8c)
2025-11-02World Riichi League Bucharest
1553 Rene Khezam 1st (+22.5) 1549 Michał Tkaczyk 3rd (-2.5) 1929 Cécile Blanc 4th (-31.3)
2nd (+11.3) 1604 +47 (+43s +3c)
2025-11-02World Riichi League Bucharest
2188 Valentin Courtois 1st (+45.1) 1632 Manuel Kameda-Schlich 2nd (+19.0) 1789 Anna Zubenko 4th (-39.3)
3rd (-24.8) 1557 +36 (+27s +10c)
2025-03-30WRL Cologne 2025-03
1854 Kenneth Chan 1st (+53.2) 1541 Michael van der Sluijs 3rd (-20.3) 1521 Christiaan Göbel 4th (-31.4)
2nd (-31.5) 1521 -66 (-78s +12c)
2025-03-30WRL Cologne 2025-03
1468 Michael van der Sluijs 2nd (+9.8) 2125 Henri Devillez 3rd (-2.9) 1851 Hiroshi Kameda 4th (-31.0)
1st (+22.1) 1587 +68 (+67s +2c)
2025-03-30WRL Cologne 2025-03
1950 Valentin Courtois 1st (+46.6) 1810 Hiroshi Kameda 2nd (+4.7) 1722 Arnaud Renard 4th (-31.3)
3rd (-50.0) 1519 -57 (-71s +14c)
2025-03-30WRL Cologne 2025-03
1843 Kenneth Chan 1st (+22.2) 1675 Vasile Gherman 2nd (+5.3) 1635 Taiki Ando 3rd (-8.2)
4th (-19.3) 1576 -62 (-75s +12c)
2025-03-30WRL Cologne 2025-03
1775 Jérémie Pierard de Maujouy 1st (+32.5) 1618 Vasile Gherman 2nd (+0.7) 1830 Hiroshi Kameda 3rd (-16.6)
3rd (-16.6) 1638 -16 (-30s +13c)
2025-03-30WRL Cologne 2025-03
1735 Kenneth Chan 1st (+31.2) 1555 Steven Hue 2nd (+6.9) 1715 Arnaud Renard 4th (-31.3)
3rd (-6.8) 1654 +15 (+1s +15c)
2025-03-30WRL Cologne 2025-03
1702 Taiki Ando 1st (+21.1) 1887 Valentin Courtois 2nd (+8.0) 1499 Christiaan Göbel 3rd (-3.1)
4th (-26.0) 1639 -84 (-105s +21c)
2025-03-30WRL Cologne 2025-03
2031 Henri Devillez 1st (+29.0) 1653 Taiki Ando 2nd (+2.8) 1542 Steven Hue 4th (-22.6)
3rd (-9.2) 1723 +6 (-14s +19c)
2025-01-26WRL3 - Hamburg, Jan 2025
1551 Morten Andersen 1st (+34.5) 1490 Noah Schaar 2nd (+14.0) 1729 Manuel Kameda-Schlich 4th (-30.5)
3rd (-18.0) 1717 +15 (-2s +18c)
2025-01-26WRL3 - Hamburg, Jan 2025
1813 Songqing Lin 1st (+67.3) 1696 Oliver Hölscher 2nd (-5.4) unrated Substitute Player 3rd (-25.2)
4th (-36.7) 1702 -76 (-94s +18c)
2025-01-26WRL3 - Hamburg, Jan 2025
1808 Miłosz Meller 1st (+28.8) 1719 Zuokan Hu 3rd (-10.3) 1741 Bao Zheng Liu 4th (-28.2)
2nd (+8.7) 1778 +52 (+41s +11c)
2025-01-26WRL3 - Hamburg, Jan 2025
1519 Junxi Wang 2nd (+4.2) 1686 Vitalii Balaniuk 3rd (-17.9) 1636 Henri Mäkelä 4th (-30.4)
1st (+44.1) 1726 +70 (+63s +7c)
2025-01-26WRL3 - Hamburg, Jan 2025
1459 Julius Tonner 2nd (+3.9) 1484 Oleksii Bezuhlyi 3rd (-15.6) 1521 Ruth Birner 4th (-31.8)
1st (+43.5) 1656 +64 (+59s +4c)
2025-01-26WRL3 - Hamburg, Jan 2025
1347 Thai Chung 2nd (+18.4) 1571 Alfons Birner 3rd (-21.1) 1372 Malte Grützmacher 4th (-39.2)
1st (+41.9) 1592 +63 (+59s +4c)
2025-01-26WRL3 - Hamburg, Jan 2025
1381 Arnaud Renard 1st (+24.7) 1582 Julian Nowakowski 3rd (-7.6) 1426 Christoph Ahlers 4th (-19.9)
2nd (+2.8) 1529 +48 (+41s +7c)
2025-01-26WRL3 - Hamburg, Jan 2025
1624 Anna Zubenko 1st (+28.4) 1500 Christiaan Göbel 3rd (-12.8) 1500 Cécile Blanc 4th (-24.0)
2nd (+8.4) 1481 +51 (+45s +6c)
2024-08-04World Riichi League: Cologne 2024
1682 Kenneth Chan 1st (+21.3) 1707 Valentin Courtois 2nd (+8.4) 1490 Michał Waliszewski 4th (-22.1)
3rd (-7.6) 1430 +24 (+11s +12c)
2024-08-04World Riichi League: Cologne 2024
1580 Urszula Szudlich 2nd (+4.1) 1474 Junxi Wang 3rd (-13.3) 1768 Linxuan He 4th (-26.3)
1st (+35.5) 1406 +76 (+74s +2c)
2024-08-04World Riichi League: Cologne 2024
1429 Henri Mäkelä 1st (+20.0) 1619 Benoit Dessort 2nd (+8.4) 1649 Laurent Vamecq 4th (-21.2)
3rd (-7.2) 1330 +40 (+32s +8c)
2024-08-04World Riichi League: Cologne 2024
1503 Aymeric Masson 1st (+28.8) 1575 Tamas Erdos 3rd (-9.7) 1421 Szymon Nowicz 4th (-23.5)
2nd (+4.4) 1290 +60 (+56s +4c)
2024-08-04World Riichi League: Cologne 2024
1452 Haddou Keil 1st (+28.5) 1512 Jasper Germeys 2nd (+8.9) 1545 Junjie Wei 3rd (-11.7)
4th (-25.7) 1230 -57 (-66s +9c)
2024-08-04World Riichi League: Cologne 2024
1493 Vilhelmiina Emilia Viinikka 1st (+21.0) 1522 Jérémie Pierard de Maujouy 2nd (+8.0) 1622 Miłosz Meller 3rd (-8.9)
4th (-21.1) 1287 -56 (-66s +10c)
2024-08-04World Riichi League: Cologne 2024
1419 Anastasiia Veremenko 1st (+72.5) 1419 Łukasz Grzybowski 2nd (+0.2) 1511 Aleksander Orlikowski 3rd (-15.3)
4th (-57.4) 1343 -76 (-91s +15c)
2024-08-04World Riichi League: Cologne 2024
1500 Bryan Manchez 1st (+29.5) 1500 Henri Devillez 2nd (+18.2) 1500 Anders Ye 3rd (+2.7)
4th (-50.4) 1419 -81 (-100s +19c)

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