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

Top seed

🇳🇱GMArthur Pijpers2475

Avg top 10

2,161

Participants

Titled players · 2

GM×1

FM×1

Federations · 3 represented

🇳🇱Netherlands×70

🇫🇮Finland×1

🇬🇷Greece×1

Top 3

🥇
Jan Bol
🇳🇱NED·1681
3.0pts·2480perf+39.6
🥈
Wouter Doorn
🇳🇱NED·1664
3.0pts·2445perf+18.8
🥉
Henk Seijen
🇳🇱NED·1799
3.0pts·2567perf+18.4

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
+42.0
2.5 pts · #3
2Van Teijens, OnnoNED
+41.6
2.5 pts · #2
3Bol, JanNED
+39.6
3.0 pts · #10

Top rating losers

1Van de Velde, WilcoNED
-61.6
0.0 pts · #76
2Arends, JancoNED
-60.8
0.0 pts · #68
3Veenstra, Klaas-JanNED
-58.4
0.0 pts · #66