51e Open Kampioenschap van Utrecht - Groep A

SwissStandard

101 players participated in this 6-round tournament, held from 15 May 2026 to 17 May 2026 in Utrecht, Netherlands. 34 titled players from 8 federations. Top 10 Elo average was 2411, and top seed was Lalit Babu M R (🇮🇳 IND, GM, 2532).

Hugo Ten Hertog (🇳🇱 NED, GM, 2513) won with 5.5/6, ahead of Li Riemersma (5.0) and Lalit Babu M R (5.0). Ten Hertog broke clear in the final round.

The biggest upset came in round 3: Olaf Vlieger (2075) beat Lars Ootes (IM, 2363), a +288-point gap.

Location

🇳🇱Utrecht, Netherlands

Dates

15 May 2026 → 17 May 2026

Time control

Standard: All Moves in 110 Min. Incr. 10 Sec. / /

System

Swiss · 6 rounds

Top seed

🇮🇳GMLalit Babu M R2532

Avg top 10

2,411

Participants

101

Titled players · 34

GM×2

IM×7

FM×18

CM×6

WFM×1

Federations · 8 represented

🇳🇱Netherlands×92

🇮🇳India×3

Curaçao×1

🇺🇸United States of America×1

🇱🇨Saint Lucia×1

🇬🇧England×1

🇻🇳Vietnam×1

🇨🇺Cuba×1

Top 3

🥇
GMHugo Ten Hertog
🇳🇱NED·2513
5.5pts·2631perf+5.4
🥈
IMLi Riemersma
🇳🇱NED·2424
5.0pts·2537perf+8.6
🥉
GMLalit Babu M R
🇮🇳IND·2532
5.0pts·2503perf-1.0

How it unfolded

Top 6 · 6 rounds

GM Hugo Ten Hertog led from R6; +0.5-point edge over the runner-up. Title race converged from 2 co-leaders at R4 to 1 by R6.

Co-leaders

Ten Hertog5.5Lalit Babu M5Riemersma5Van Roon4.5Lombaers4.5Pham4.5

R6–R6 · LEAD HELD

GM Hugo Ten Hertog held the sole lead from R6 through R6 without losing it.

WIN STREAKS · 3 top finishers

GM Hugo Ten Hertog 4 wins (R1–R4)GM Lalit Babu M R 3 wins (R4–R6)IM Li Riemersma 3 wins (R2–R4)

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1GMHugo Ten Hertog	*	—	½	—
2GMLalit Babu M R	—	*	—	—
3IMLi Riemersma	½	—	*	—
4FMSjoerd Van Roon	—	—	—	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	R6	Pts	Bu C1	Bu	SB	Perf	Δ
1	Ten Hertog, HugoGM	2513	NED	+60N	+15B	+23N	+11N	=2B	+4B	5.5	21.0	23.5	21.00	2631	+5.4
2	Riemersma, LiIM	2424	NED	=54N	+16B	+56N	+13B	=1N	+9B	5.0	20.0	22.5	18.50	2537	+8.6
3	Lalit Babu M RGM	2532	IND	+69B	+22N	−11B	+48N	+34B	+14N	5.0	17.5	19.5	15.50	2503	-1.0
4	Bosboom, Ardin	2154	NED	+70B	+12B	+8N	+14N	=10B	−1N	4.5	22.0	24.0	16.50	2455	+45.6
5	Ritzerveld, NoahFM	2212	NED	+82N	+53B	=9N	=6B	=12N	+25B	4.5	18.5	20.0	13.75	2432	+34.6
6	Lombaers, PeterFM	2339	NED	+37B	=40N	+24B	=5N	=22B	+23N	4.5	18.0	21.0	15.50	2369	+4.4
7	Pham, KhoiIM	2426	NED	+50B	=56N	=38B	=15N	+24B	+10N	4.5	17.5	20.0	15.25	2355	-4.2
8	Van Roon, SjoerdFM	2303	NED	+44B	+41N	−4B	=27N	+72B	+22N	4.5	17.5	19.5	13.25	2335	+4.6
9	Lahaye, Rick	2387	NED	+39B	+66N	=5B	=34N	+11B	−2N	4.0	19.5	22.0	13.25	2352	-1.6
10	Bulthuis, Jelle	2128	NED	+80N	=13B	+45N	+25B	=4N	−7B	4.0	19.5	21.0	12.25	2348	+34.4
11	Terlouw, WouterFM	2259	NED	+79B	+92N	+3N	−1B	−9N	+36B	4.0	19.5	20.5	11.00	2394	+20.8
12	Van de Griendt, Jan WillemIM	2363	NED	+83B	−4N	+44B	+35N	=5B	=18N	4.0	19.0	20.5	11.75	2281	-5.7
13	Zhu, ChenwuFM	2301	NED	+98B	=10N	+29B	−2N	=39B	+37N	4.0	18.5	18.5	10.00	2243	-6.8
14	Pomares Diaz, Manuel AlejandroFM	2302	CUB	+71N	+72B	+35N	−4B	+31N	−3B	4.0	18.0	20.0	10.50	2339	+5.8
15	Von Meijenfeldt, BartFM	2183	NED	+68B	−1N	+90B	=7B	=36N	+43N	4.0	18.0	19.0	9.75	2351	+25.4
16	Krylov, Philippe	2083	NED	=17B	−2N	+73B	+77N	=48B	+34N	4.0	17.0	19.0	10.50	2366	+86.4
17	Grooten, Tommy	2356	NED	=16N	=36B	−42N	+92B	+53N	+35B	4.0	15.5	16.5	10.00	2200	-20.0
18	Kooijmans, JermoFM	2255	NED	=67N	=46B	+71N	=19B	+69N	=12B	4.0	15.0	17.0	10.50	2259	+1.0
19	Thijssen, Freek	2133	NED	=96B	=76N	+85B	=18N	+30B	=20N	4.0	15.0	15.5	10.25	2273	+36.3
20	Van Meegen, RuudFM	2303	NED	=46N	−67B	+98N	+53B	+32N	=19B	4.0	15.0	15.0	9.50	2206	-13.0
21	Smit, Manuel	1956	NED	−40B	+37N	=54B	+94N	=38B	+55N	4.0	14.0	15.0	9.25	2265	+48.4
22	Vos, Tjark	2201	CUR	+87N	−3B	+46N	+42B	=6N	−8B	3.5	20.0	21.5	9.75	2282	+12.8
23	Kampman, Tijmen	2243	NED	+88B	+47N	−1B	=39N	+29B	−6B	3.5	19.5	21.0	9.50	2215	-3.2
24	Schilstra, Laurens	2167	NED	+75N	=26B	−6N	+47B	−7N	+76B	3.5	17.5	19.5	8.75	2257	+14.6
25	Kurt, SaschaFM	2325	NED	+63B	+58N	=48B	−10N	+41B	−5N	3.5	17.0	19.5	9.50	2209	-16.8
26	Bekker, StefanFM	2367	NED	+62B	=24N	+40B	−52N	−27B	+44N	3.5	16.0	18.5	10.25	2208	-22.2
27	Kleibeuker, Mika	2157	NED	=57N	=74B	+88N	=8B	+26N	−33B	3.5	16.0	17.5	9.50	2214	+10.4
28	Guillaumond, Matthieu	2094	NED	+30B	=34N	−31B	=55N	+68B	=38N	3.5	15.5	17.5	9.75	2273	+57.2
29	Hylarides, Charlie Ronald	2010	NED	=45N	+65B	−13N	+56B	−23N	+72B	3.5	15.5	17.5	8.50	2265	+80.4
30	Ondersteijn, NielsIM	2382	NED	−28N	+79B	+62N	=32B	−19N	+69B	3.5	15.5	17.5	8.25	2167	-14.7
31	Lammens, TimFM	2244	NED	=59N	+81B	+28N	F	−14B	+39N	3.5	14.5	14.5	9.25	2235	+0.2
32	Grooten, HermanIM	2175	NED	−90B	+91N	+68B	=30N	−20B	+67N	3.5	12.5	13.5	6.75	2181	+0.9
33	Kokje, JorisFM	2264	NED	F	F	+49B	=41N	+67B	+27N	3.5	11.5	11.5	10.00	2439	+13.2
34	An Dinh MinhCM	2281	VIE	+78N	=28B	+57N	=9B	−3N	−16B	3.0	19.0	21.0	8.25	2188	-13.8
35	Martyr, ReginaldCM	2160	LCA	+51B	+43N	−14B	−12B	+57N	−17N	3.0	18.0	20.5	8.50	2221	+9.2
36	Vlieger, Olaf	2075	NED	=97B	=17N	+43B	=38N	=15B	−11N	3.0	18.0	18.5	8.75	2281	+31.0
37	Smid, Jelle	2081	NED	−6N	−21B	+75N	+90B	+45N	−13B	3.0	17.5	18.5	6.00	2126	+6.2
38	Wunnink, MichaelFM	2194	NED	F	+59B	=7N	=36B	=21N	=28B	3.0	17.5	17.5	10.00	2190	-0.4
39	Van Harten, Wout	2003	NED	−9N	+84B	+74N	=23B	=13N	−31B	3.0	17.0	18.5	7.25	2197	+54.4
40	Cornelisse, John	2153	NED	+21N	=6B	−26N	=57B	+74N	F	3.0	16.5	16.5	9.50	2199	+6.4
41	Jakhari, Ansh	2144	NED	+99N	−8B	+70N	=33B	−25N	=47B	3.0	16.5	16.5	5.25	2141	-0.8
42	Groenewoud, Joel	2084	NED	−43B	+51N	+17B	−22N	−55B	+68N	3.0	16.0	18.0	9.00	2181	+28.4
43	Ootes, LarsIM	2363	NED	+42N	−35B	−36N	+49B	+71N	−15B	3.0	16.0	18.0	8.00	2104	-18.9
44	Den Heijer, Rolinde	2068	NED	−8N	+99B	−12N	+80B	+58N	−26B	3.0	16.0	16.0	4.00	2178	+15.4
45	Pijkeren, Jan	2198	NED	=29B	+73N	−10B	=54N	−37B	+61N	3.0	15.5	17.5	7.50	2046	-23.6
46	Wilming, Auke	2070	NED	=20B	=18N	−22B	−70N	+91B	+81N	3.0	15.0	16.0	6.50	2123	+7.8
47	Van t Hoff, Tom	2044	NED	+64N	−23B	=55B	−24N	+94B	=41N	3.0	15.0	16.0	6.25	2185	+22.6
48	Aishwin DanielCM	2206	IND	+91B	+90N	=25N	−3B	=16N	F	3.0	14.5	14.5	5.75	2262	+7.0
49	Dinanath, HrdyaCM	2058	NED	+100B	−52B	−33N	−43N	+73B	+70N	3.0	13.5	13.5	4.00	2188	+38.0
50	Van de Pavoordt, Max	2102	NED	−7N	=86B	+81N	−64B	+82N	=65B	3.0	12.5	14.0	5.00	2146	+5.6
51	Ngangbam, Chingthang	1971	NED	−35N	−42B	−78N	+84B	+101N	+71B	3.0	11.5	11.5	3.50	2020	+16.4
52	Stolwijk, Colin	2270	NED	+93B	+49N	F	+26B	F	F	3.0	7.5	7.5	7.50	2962	+21.8
53	Aziz, Daniel	1992	NED	+77B	−5N	+58B	−20N	−17B	=63N	2.5	17.5	19.5	5.75	2155	+22.0
54	Brienen, Jacob	2101	NED	=2B	F	=21N	=45B	=76N	=64N	2.5	16.5	16.5	8.25	2175	+8.6
55	Hummel, Paul	2194	NED	=73B	F	=47N	=28B	+42N	−21B	2.5	15.5	15.5	7.25	2036	-20.8
56	Rebers, EugeneFM	2196	NED	+86N	=7B	−2B	−29N	F	+90B	2.5	15.5	15.5	4.75	2169	-3.6
57	Brandsma, Romayn	1970	NED	=27B	+94N	−34B	=40N	−35B	=78N	2.5	14.5	15.5	5.25	2098	+18.4
58	Spit, Vincent	2152	NED	+61B	−25B	−53N	+91N	−44B	=59B	2.5	14.0	15.0	4.75	2011	-23.4
59	Omnes, Tiago	2040	NED	=31B	−38N	−64B	=73N	+80B	=58N	2.5	13.5	15.0	5.50	2072	+7.6
60	Titus, Branco	2119	NED	−1B	−68N	−61N	=75B	+84N	+83B	2.5	13.5	15.0	4.00	2031	-17.2
61	De Jong, LodeCM	1955	NED	−58N	=63N	+60B	−69B	+83N	−45B	2.5	12.5	14.0	5.25	2067	+32.8
62	Garay, Enzo	2089	NED	−26N	+75B	−30B	−68N	=81B	+82N	2.5	12.5	14.0	4.25	2067	-10.8
63	Wagenvoorde, Guido	2072	NED	−25N	=61B	=80N	−74B	+90N	=53B	2.5	12.0	13.0	4.25	1975	-17.2
64	Hommerson, PaulFM	2246	NED	−47B	F	+59N	+50N	F	=54B	2.5	11.0	11.0	6.75	2167	-8.0
65	Taylor, Robert M	2182	ENG	F	−29N	=93B	=88N	+70B	=50N	2.5	11.0	11.0	4.75	2034	-19.6
66	Cornelisse, LoreleiWFM	2185	NED	+84N	−9B	+92B	=67N	F	F	2.5	8.5	8.5	3.50	2219	+3.4
67	De Zoeten, Cato	2051	NED	=18B	+20N	F	=66B	−33N	−32B	2.0	17.5	17.5	7.25	2164	+13.8
68	Taams, Lisanne	1998	NED	−15N	+60B	−32N	+62B	−28N	−42B	2.0	16.5	19.0	5.00	1999	0.0
69	Damen, Igor	2120	NED	−3N	+87B	F	+61N	−18B	−30N	2.0	16.5	16.5	4.00	2155	+1.4
70	Andringa, Arjo	1961	NED	−4N	+83N	−41B	+46B	−65N	−49B	2.0	16.0	17.5	4.50	1990	+4.4
71	Ochtman, Henk	2064	NED	−14B	+95N	−18B	+85N	−43B	−51N	2.0	15.5	16.5	2.50	2006	-11.0
72	Van der Plas, Rob	2130	NED	+85B	−14N	+76B	F	−8N	−29N	2.0	15.5	15.5	3.50	2049	-11.2
73	Lenting, Roan	2002	NED	=55N	−45B	−16N	=59B	−49N	+93N	2.0	15.0	16.0	3.50	1981	-7.2
74	Verschoor, Scott	2004	NED	=89B	=27N	−39B	+63N	−40B	F	2.0	13.5	13.5	5.00	1990	-2.4
75	Wierenga, Luuk	1977	NED	−24B	−62N	−37B	=60N	=87N	+91B	2.0	13.0	14.0	3.00	1959	-5.6
76	Hallibert, Emilien	2049	NED	F	=19B	−72N	+93N	=54B	−24N	2.0	13.0	13.0	4.25	2046	-0.8
77	Holtland, Diderick	2179	NED	−53N	=82B	+86N	−16B	=78B	−79N	2.0	12.0	13.5	3.25	1912	-42.6
78	Habig, Bryan	2063	NED	−34B	−85N	+51B	F	=77N	=57B	2.0	12.0	12.0	5.25	1996	-9.8
79	Alvares, Thomas	2051	NED	−11N	−30N	F	F	+85B	+77B	2.0	11.0	11.0	3.50	2190	+13.4
80	Galje, Hans	1934	NED	−10B	=93N	=63B	−44N	−59N	=86B	1.5	13.5	14.5	2.50	1869	-9.4
81	Eefting, Martijn	1992	NED	F	−31N	−50B	+87B	=62N	−46B	1.5	13.5	13.5	2.75	1957	-5.2
82	Geene, Joris	2029	NED	−5B	=77N	−94B	+95N	−50B	−62B	1.5	13.0	14.0	2.00	1916	-17.4
83	Winter, Sven	2084	NED	−12N	−70B	=84N	+86B	−61B	−60N	1.5	12.5	14.0	2.25	1874	-66.8
84	Padala, Arav	2001	USA	−66B	−39N	=83B	−51N	−60B	+95N	1.5	12.5	13.5	1.75	1859	-44.0
85	Katpatal, Akshaj	1941	NED	−72N	+78B	−19N	−71B	−79N	=87B	1.5	12.0	13.5	2.75	1884	-16.0
86	Cheung, Jan	2003	NED	−56B	=50N	−77B	−83N	=95B	=80N	1.5	10.5	11.5	2.75	1882	-18.8
87	Van Ravensteijn, Antal	2023	NED	−22B	−69N	=95B	−81N	=75B	=85N	1.5	10.5	11.5	2.25	1838	-58.0
88	Koppenens, Oscar	2036	NED	−23N	+100N	−27B	=65B	F	F	1.5	9.5	9.5	1.25	2125	+16.8
89	Van Heel, Evert	1927	NED	=74N	F	F	F	+93B	F	1.5	3.0	3.0	2.00	2226	+15.8
90	Van Ree, Thailo	1982	NED	+32N	−48B	−15N	−37N	−63B	−56N	1.0	16.0	18.5	3.50	1879	-13.6
91	Becx, CesarFM	2027	NED	−48N	−32B	+99N	−58B	−46N	−75N	1.0	14.0	14.0	0.00	1815	-30.4
92	Sterk, Ralf	2056	NED	+95B	−11B	−66N	−17N	F	F	1.0	11.5	11.5	1.00	1995	-14.4
93	Patlolla Indra ReddyCM	2061	IND	−52N	=80B	=65N	−76B	−89N	−73B	1.0	11.0	12.5	2.00	1788	-80.8
94	Verheul, Job	2118	NED	F	−57B	+82N	−21B	−47N	F	1.0	11.0	11.0	1.50	1807	-32.6
95	Van Haaften, Jelle	1952	NED	−92N	−71B	=87N	−82B	=86N	−84B	1.0	8.0	9.0	1.50	1756	-54.4
96	Elferink, Leon	1960	NED	=19N	F	F	F	F	F	0.5	4.0	4.0	2.00	2133	+4.6
97	Goudriaan, EtienneIM	2332	NED	=36N	F	F	F	F	F	0.5	3.0	3.0	1.50	2075	-3.2
98	Overeem, MarcFM	2063	NED	−13N	F	−20B	F	F	F	0.0	8.0	8.0	0.00	1502	-8.0
99	Koning, Milan	1948	NED	−41B	−44N	−91B	F	F	F	0.0	7.0	7.0	0.00	1280	-19.6
100	Van Batenburg, Mees	2266	NED	−49N	−88B	F	F	F	F	0.0	4.5	4.5	0.00	1247	-62.4
101	Van Amerongen, Judith	1745	NED	F	F	F	F	−51B	F	0.0	3.0	3.0	0.00	1171	-4.2

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Krylov, PhilippeNED
+86.4
4.0 pts · #16
2Hylarides, Charlie RonaldNED
+80.4
3.5 pts · #23
3Guillaumond, MatthieuNED
+57.2
3.5 pts · #33

Top rating losers

1Patlolla Indra ReddyCMIND
-80.8
1.0 pts · #92
2Winter, SvenNED
-66.8
1.5 pts · #80
3Van Batenburg, MeesNED
-62.4
0.0 pts · #98

Biggest upsets

R3+288 Elo gap
Vlieger, Olaf2075 beat IMOotes, Lars2363
R1+288 Elo gap
Guillaumond, Matthieu2094 beat IMOndersteijn, Niels2382
R3+273 Elo gap
FMTerlouw, Wouter2259 beat GMLalit Babu M R2532