Chessfestival Groningen 2025 Vierkampen
Team Round-RobinStandard
76 players participated in this 3-round tournament, held from 22 Dec 2025 to 24 Dec 2025 in Groningen, Netherlands. 2 titled players from 3 federations. Top 10 Elo average was 2161, and top seed was Arthur Pijpers (🇳🇱 NED, GM, 2475).
Jan Bol (🇳🇱 NED, 1681) won with 3.0/3, ahead of Wouter Doorn (3.0) and Henk Seijen (3.0). Bol won on tie-break after catching the field in the final round.
Location
🇳🇱Groningen, Netherlands
Dates
22 Dec 2025 → 24 Dec 2025
Time control
Standard: 90min/40moves+30min/end+30sec increment per move starting from move 1
System
Round-robin · 3 rounds
Titled players · 2
GM×1
FM×1
Federations · 3 represented
🇳🇱Netherlands×70
🇫🇮Finland×1
🇬🇷Greece×1
Top 3
- 🥇
- 🥈
- 🥉
Standings
Click row to expand · Cmd+click name for new tab
| # | Player | Fed | Elo | Pts | Avg opp. | Perf | Δ Elo |
|---|---|---|---|---|---|---|---|
| 10 | Bol, Jan | 🇳🇱NED | 1681 | 3.0 | 1680 | 2480 | +39.6 |
| 45 | Doorn, Wouter | 🇳🇱NED | 1664 | 3.0 | 1645 | 2445 | +18.8 |
| 18 | Seijen, Henk | 🇳🇱NED | 1799 | 3.0 | 1767 | 2567 | +18.4 |
| 5 | Uitermark, Imre | 🇳🇱NED | 1927 | 2.5 | 1902 | 2175 | +36.0 |
| 2 | Van Teijens, Onno | 🇳🇱NED | 1724 | 2.5 | 1733 | 2006 | +41.6 |
| 8 | Zoethout, Sander | 🇳🇱NED | 0 | 2.5 | 1748 | 1788 | 0.0 |
| 3 | Yang, Fengning | 🇳🇱NED | 1690 | 2.5 | 1702 | 1975 | +42.0 |
| 4 | Leijgraaff, Peter | 🇳🇱NED | 1723 | 2.5 | 1691 | 1964 | +34.8 |
| 6 | Rabbers, Daniel | 🇳🇱NED | 1829 | 2.5 | 1832 | 2105 | +20.2 |
| 1 | Broersma, Sven | 🇳🇱NED | 1956 | 2.5 | 1957 | 2230 | +20.2 |
| 9 | GMPijpers, Arthur | 🇳🇱NED | 2475 | 2.5 | 2171 | 2444 | -0.7 |
| 7 | Spit, Vincent | 🇳🇱NED | 2132 | 2.5 | 2120 | 2393 | +19.0 |
| 41 | Smeets, Bent | 🇳🇱NED | 1540 | 2.5 | 1565 | 1758 | +22.8 |
| 11 | Koivumaki, Marko | 🇫🇮FIN | 1724 | 2.0 | 1733 | 1858 | +10.8 |
| 13 | Beltman, Joost | 🇳🇱NED | 1813 | 2.0 | 1809 | 1934 | +9.6 |
| 17 | Van der Graaf, Jaap | 🇳🇱NED | 1798 | 2.0 | 1814 | 1939 | +11.4 |
| 21 | Jansen, Henk | 🇳🇱NED | 1815 | 2.0 | 1808 | 1933 | +9.4 |
| 42 | De Wit, Jim | 🇳🇱NED | 1749 | 2.0 | 1748 | 1941 | +20.0 |
| 20 | Waardenburg, Marlinde | 🇳🇱NED | 1892 | 2.0 | 1914 | 2039 | +11.8 |
| 53 | Hoogeboom, Boudewijn | 🇳🇱NED | 1684 | 2.0 | 1679 | 1679 | -0.2 |
| 54 | Van Noort, Cas | 🇳🇱NED | 1652 | 2.0 | 1655 | 1655 | 0.0 |
| 15 | Van der Leest, Bert | 🇳🇱NED | 2086 | 2.0 | 2035 | 2160 | +5.8 |
| 14 | FMHoutman, Joop | 🇳🇱NED | 2108 | 2.0 | 2128 | 2253 | +11.6 |
| 48 | Ma, Ying Hao | 🇳🇱NED | 1570 | 2.0 | 1550 | 1550 | -2.4 |
| 22 | Pathak, Raghav | 🇳🇱NED | 2048 | 2.0 | 2048 | 2173 | +19.6 |
| 16 | De Dreu, Dies | 🇳🇱NED | 1847 | 2.0 | 1851 | 1976 | +10.4 |
| 19 | Scharft, Johan | 🇳🇱NED | 1998 | 2.0 | 1997 | 2122 | +9.8 |
| 23 | Sarathbabu, Mrityunjay | 🇳🇱NED | 1479 | 2.0 | 1514 | 1707 | +23.6 |
| 47 | Bunschoten, Inge | 🇳🇱NED | 1700 | 2.0 | 1703 | 1703 | +0.4 |
| 12 | Bloemhof, Ruben | 🇳🇱NED | 1848 | 2.0 | 1851 | 1976 | +10.4 |
| 35 | Reitsma, Freerk | 🇳🇱NED | 1776 | 2.0 | 1767 | 1960 | +19.2 |
| 27 | Poelstra, Ben | 🇳🇱NED | 1933 | 1.5 | 1900 | 1900 | -2.8 |
| 36 | Remie, Peter | 🇳🇱NED | 1756 | 1.5 | 1744 | 1937 | +9.4 |
| 40 | Bootsma, Sven | 🇳🇱NED | 1736 | 1.5 | 1729 | 1729 | -1.6 |
| 26 | Mohamedjoesoef, Rafiek | 🇳🇱NED | 1941 | 1.5 | 1962 | 1962 | +1.8 |
| 30 | Dekker, Derk | 🇳🇱NED | 1967 | 1.5 | 1954 | 1954 | -1.2 |
| 31 | Noordenbos, Daan | 🇳🇱NED | 2168 | 1.5 | 2273 | 2273 | +7.4 |
| 39 | Van der Werf, Joel | 🇳🇱NED | 2157 | 1.5 | 2277 | 2277 | +8.6 |
| 32 | Sleeckx, Alexander | 🇳🇱NED | 2029 | 1.5 | 2054 | 2054 | +2.2 |
| 24 | Houtsma, Sybrand | 🇳🇱NED | 1836 | 1.5 | 1830 | 1830 | -0.6 |
| 28 | Zhou, Yanyang | 🇳🇱NED | 1835 | 1.5 | 1830 | 1830 | -0.8 |
| 43 | Evers, Harm | 🇳🇱NED | 1713 | 1.5 | 1697 | 1697 | -2.0 |
| 33 | Koukas, Anastasios | 🇬🇷GRE | 2011 | 1.5 | 1992 | 1992 | -1.6 |
| 37 | Veluwenkamp, Herman | 🇳🇱NED | 0 | 1.5 | 1502 | 1502 | 0.0 |
| 25 | Hummel, Joop | 🇳🇱NED | 1994 | 1.5 | 1998 | 1998 | +0.4 |
| 38 | Vos, Roald | 🇳🇱NED | 1510 | 1.5 | 1499 | 1692 | +18.8 |
| 34 | Polanco, Stanli | 🇳🇱NED | 1706 | 1.5 | 1702 | 1702 | 0.0 |
| 29 | Timmerman, Jan | 🇳🇱NED | 1780 | 1.5 | 1770 | 1770 | -1.0 |
| 51 | Hofstee, Piet | 🇳🇱NED | 1752 | 1.0 | 1784 | 1659 | -7.4 |
| 55 | Kamphorst, Jan | 🇳🇱NED | 1691 | 1.0 | 1701 | 1576 | -9.2 |
| 71 | Hettinga, Jaap | 🇳🇱NED | 1676 | 1.0 | 1683 | 883 | -19.6 |
| 73 | Sluis, Gerton | 🇳🇱NED | 1645 | 1.0 | 1664 | 864 | -18.8 |
| 49 | De Groot, Hendrik | 🇳🇱NED | 2121 | 1.0 | 2123 | 1998 | -9.8 |
| 56 | Pasupulati, Suhas | 🇳🇱NED | 1506 | 1.0 | 1556 | 1431 | 0.0 |
| 65 | Hamstra, Bas | 🇳🇱NED | 1782 | 1.0 | 1788 | 988 | -39.2 |
| 44 | Jerphanion, Lucien | 🇳🇱NED | 1840 | 1.0 | 1854 | 1729 | -8.8 |
| 46 | Elsinga, Brian | 🇳🇱NED | 1866 | 1.0 | 1845 | 1720 | -12.0 |
| 50 | Manschot, Thomas | 🇳🇱NED | 1985 | 1.0 | 2001 | 1876 | -8.6 |
| 52 | Pereira, Hans | 🇳🇱NED | 1692 | 1.0 | 1707 | 1707 | +1.6 |
| 74 | Boomhouwer, Rens | 🇳🇱NED | 1518 | 1.0 | 1495 | 695 | -42.4 |
| 75 | FIDE 40129195 | — | 0 | 1.0 | 1626 | 826 | 0.0 |
| 58 | De Kleijn, Max | 🇳🇱NED | 1768 | 0.5 | 1784 | 1511 | 0.0 |
| 57 | Balje, Jan | 🇳🇱NED | 2131 | 0.5 | 2120 | 1847 | -20.8 |
| 61 | Van Duuren, Gilead | 🇳🇱NED | 1559 | 0.5 | 1555 | 1362 | -20.4 |
| 63 | De Kleijn, Erwin | 🇳🇱NED | 1825 | 0.5 | 1833 | 1560 | -19.2 |
| 60 | Oord, Raymon | 🇳🇱NED | 2029 | 0.5 | 2054 | 1781 | -17.8 |
| 59 | Schilstra, Laurens | 🇳🇱NED | 2188 | 0.5 | 2267 | 1994 | -14.6 |
| 62 | Vennix, Tom | 🇳🇱NED | 1964 | 0.5 | 1955 | 1682 | -41.6 |
| 64 | FIDE 40127745 | — | 0 | 0.0 | 1655 | 855 | 0.0 |
| 66 | Veenstra, Klaas-Jan | 🇳🇱NED | 1691 | 0.0 | 1701 | 901 | -58.4 |
| 72 | FIDE 40118223 | — | 0 | 0.0 | 1680 | 880 | 0.0 |
| 67 | Folkers, Sono | 🇳🇱NED | 1881 | 0.0 | 1917 | 1117 | -54.0 |
| 70 | Kok, Erwin | 🇳🇱NED | 1739 | 0.0 | 1753 | 953 | -19.4 |
| 76 | Van de Velde, Wilco | 🇳🇱NED | 1738 | 0.0 | 1728 | 928 | -61.6 |
| 68 | Arends, Janco | 🇳🇱NED | 1814 | 0.0 | 1808 | 1008 | -60.8 |
| 69 | FIDE 40129187 | — | 1617 | 0.0 | 1626 | 826 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Yang, FengningNED+42.02.5 pts · #3
- 2Van Teijens, OnnoNED+41.62.5 pts · #2
- 3Bol, JanNED+39.63.0 pts · #10
Top rating losers
- 1Van de Velde, WilcoNED-61.60.0 pts · #76
- 2Arends, JancoNED-60.80.0 pts · #68
- 3Veenstra, Klaas-JanNED-58.40.0 pts · #66