HZ University of Applied Sciences Schaaktoernooi 2025

SwissStandard

243 players participated in this 9-round tournament, held from 02 Aug 2025 to 09 Aug 2025 in Vlissingen, Netherlands. 32 titled players from 8 federations. Top 10 Elo average was 2497, and top seed was Pavel Eljanov (🇺🇦 UKR, GM, 2680).

Thomas Beerdsen (🇳🇱 NED, GM, 2513) won with 7.5/9, ahead of Erwin L'Ami (7.5) and Pavel Eljanov (7.5). Beerdsen shared the lead from round 8, winning on tie-break.

The biggest upset came in round 8: Irina Muzyka (1460) beat Eric Van Driel (1839), a +379-point gap.

Location

🇳🇱Vlissingen, Netherlands

Dates

02 Aug 2025 → 09 Aug 2025

Time control

Standard: 90min/40moves+30min/end+30sec increment per move starting from move 1

System

Swiss · 9 rounds

Top seed

🇺🇦GMPavel Eljanov2680

Avg top 10

2,497

Participants

243

Titled players · 32

GM×7

IM×8

FM×12

CM×3

WFM×2

Federations · 8 represented

🇳🇱Netherlands×170

🇩🇪Germany×44

🇧🇪Belgium×12

🇮🇳India×4

🇸🇬Singapore×3

🇺🇦Ukraine×2

🇯🇵Japan×1

🇲🇩Moldova×1

Top 3

🥇
GMThomas Beerdsen
🇳🇱NED·2513
7.5pts·2646perf+15.6
🥈
GMErwin L'Ami
🇳🇱NED·2611
7.5pts·2639perf+5.2
🥉
GMPavel Eljanov
🇺🇦UKR·2680
7.5pts·2678perf+1.8

How it unfolded

Top 6 · 9 rounds

Tight race until R9; 4 players tied at 7.5/9, decided on Buchholz. Title race narrowed from 3 co-leaders at R4 to 4 at the finish.

Co-leaders

107

L'Ami7.5De Boer7.5Eljanov7.5Beerdsen7.5Ikonnikov7Leenhouts7

R9 · TIEBREAK CLUSTER

4 players finish on 7.5/9. Beerdsen takes the title on Buchholz Cut1 (52.5).

WIN STREAKS · 3 top finishers

GM Erwin L'Ami 3+3 wins (R1–R3, R6–R8)IM Eelke De Boer 3+4 wins (R1–R3, R6–R9)GM Pavel Eljanov 4 wins (R1–R4)

R5 · LATE SURGE

IM Eelke De Boer was #23 at R5, climbed to #2 over the final stretch.

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1GMErwin L'Ami	*	—	1	½
2IMEelke De Boer	—	*	0	—
3GMPavel Eljanov	0	1	*	½
4GMThomas Beerdsen	½	—	½	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	R6	R7	R8	R9	Pts	Bu C1	Bu	SB	Perf	Δ
1	Beerdsen, ThomasGM	2513	NED	+141B	+44N	+16B	+10N	=3N	=8B	+20N	+9B	=2B	7.5	52.5	56.5	45.75	2646	+15.6
2	L'Ami, ErwinGM	2611	NED	+134N	+23B	+12N	=35B	=8N	+39B	+7N	+3B	=1N	7.5	52.0	56.0	46.25	2639	+5.2
3	Eljanov, PavelGM	2680	UKR	+135B	+118N	+96B	+4N	=1B	+11N	+6B	−2N	+12B	7.5	51.5	55.5	44.25	2678	+1.8
4	De Boer, EelkeIM	2436	NED	+190B	+45N	+17B	−3B	=23N	+42N	+29B	+10N	+11B	7.5	50.0	53.0	42.50	2496	+8.9
5	Ikonnikov, VyacheslavGM	2461	FID	+126B	+68N	+33B	=41N	+56B	=9N	=15B	=14N	+22B	7.0	47.0	51.0	38.50	2491	+5.0
6	Leenhouts, KoenGM	2476	NED	+140N	+72B	=19N	=40B	+47N	+25B	−3N	+35B	+20N	7.0	47.0	51.0	37.75	2455	+0.6
7	Beukema, StefanIM	2403	BEL	+99B	+78N	=21B	+24N	=98B	+36N	−2B	+38N	+25B	7.0	46.0	50.5	37.75	2395	+1.2
8	Prraneeth VuppalaGM	2458	IND	+130B	+74N	+64B	+22N	=2B	=1N	=10B	−12N	+26N	6.5	50.0	54.0	36.75	2432	+1.0
9	Hausrath, DanielGM	2442	GER	+197N	+75B	=36N	+18B	+35N	=5B	+13N	−1N	=14B	6.5	50.0	53.0	36.00	2406	-0.3
10	Syrov, ArkadiFM	2342	GER	+191N	+65B	+34N	−1B	+45N	+26B	=8N	−4B	+43N	6.5	49.5	52.5	34.25	2342	+7.4
11	De Winter, ArthurIM	2460	NED	+138N	=76B	+58B	+38N	+28N	−3B	+41B	+15N	−4N	6.5	48.5	52.5	35.00	2441	+1.7
12	Schuricht, Emil FrederickFM	2307	GER	+59B	+63N	−2B	+81N	=49B	+105N	+24B	+8B	−3N	6.5	48.0	52.5	34.75	2369	+18.0
13	Lopez, JaselIM	2329	ARU	+168B	+77N	=24B	+30N	=36B	+21N	−9B	=17N	+42B	6.5	47.0	50.5	35.00	2280	-3.2
14	Dushyant SharmaIM	2376	IND	+137N	+26B	=37N	−36B	+77N	+67B	+40N	=5B	=9N	6.5	46.0	50.0	35.00	2322	-2.4
15	Nothnagel, Marian CanFM	2434	GER	+132N	+73B	−35N	+162B	+54N	+19B	=5N	−11B	+37N	6.5	45.0	48.5	33.00	2342	-5.3
16	Grochal, JoeyFM	2239	NED	+108N	+97B	−1N	+89B	=69N	+72B	=57N	=48B	+67N	6.5	42.5	47.0	31.75	2217	-1.4
17	Romkes, Abel	2118	NED	+192N	+80B	−4N	+136B	−97N	+116B	+71N	=13B	+57N	6.5	42.0	45.0	29.75	2199	+19.4
18	Zevenhuizen, Daniel	2136	NED	+92B	=84N	+121B	−9N	=101B	=115N	+65B	+104N	+44B	6.5	40.5	45.0	31.50	2188	+12.8
19	Ronge, TimFM	2285	GER	+160B	+53N	=6B	+42N	+48B	−15N	=27B	=32N	=21B	6.0	48.0	51.5	32.50	2257	-2.4
20	Van Delft, MerijnIM	2359	NED	+91B	=49N	+46B	=21N	+74B	+98N	−1B	+64N	−6B	6.0	46.5	51.0	30.75	2285	-5.1
21	Kalle, Erwin	2113	NED	+187N	+71B	=7N	=20B	+59N	−13B	+97N	=39B	=19N	6.0	45.5	49.0	30.25	2265	+36.6
22	Ritzerveld, NoahFM	2317	NED	+107N	+129B	+79N	−8B	+78N	=57B	=35N	+23B	−5N	6.0	44.5	48.5	29.75	2245	-10.4
23	Schwarz, David	2057	GER	+171B	−2N	+126B	+103N	=4B	=56N	+58B	−22N	+98B	6.0	44.0	47.5	27.75	2267	+90.4
24	Op den Dries, Johan	2095	NED	+170N	+106B	=13N	−7B	+112N	+100B	−12N	=63B	+69N	6.0	43.5	47.0	27.75	2205	+24.8
25	Weller, Manuel	2246	GER	+166B	=51N	=109B	+87N	+161B	−6N	+101B	+27N	−7N	6.0	43.0	46.5	27.50	2204	-5.0
26	Kleibeuker, Mika	2011	NED	+155B	−14N	+92B	+160N	+96B	−10N	+36B	+98N	−8B	6.0	43.0	46.5	27.00	2260	+78.6
27	Le Clercq, Maxim	2089	NED	=70N	−207B	+146N	+168B	+61N	+60B	=19N	−25B	+56B	6.0	39.5	42.0	28.00	2117	+9.2
28	Huber, Benedikt	2272	GER	+147B	=144N	+101B	+105N	−11B	+68N	+46B	=41N	F	6.0	39.5	39.5	28.25	2288	+14.0
29	Coenen, EduardCM	2196	NED	+210B	−58N	F	+141B	+63N	+65B	−4N	+76B	+54N	6.0	39.5	39.5	27.00	2224	+7.4
30	Nieuwelink, Kees	2091	NED	+193B	+103N	F	−13B	=128N	+80B	=59N	+61B	+39N	6.0	38.5	38.5	27.50	2203	+23.0
31	Duijker, RickFM	2183	NED	=127N	+143B	+51N	−57B	+144N	=69B	−125N	+129B	+72N	6.0	37.0	41.0	27.00	2094	-18.0
32	Merbis, Max	2070	NED	+60N	=133B	=167N	=61B	=189N	+128B	+127N	=19B	=40N	6.0	37.0	40.0	26.50	2070	+2.0
33	De Jong, LodeCM	2140	NED	+213N	+172B	−5N	−100B	+139B	−58N	+208B	+116N	+101B	6.0	35.5	38.0	21.50	2099	-16.8
34	Hoogland, DirkCM	2106	NED	+139B	+131N	−10B	−161N	−191B	+111N	+167N	+128B	+73N	6.0	35.0	38.0	25.00	2084	-3.4
35	Van der Werf, Joel	2117	NED	+174B	+62N	+15B	=2N	−9B	+66N	=22B	−6N	=90B	5.5	48.5	52.0	29.25	2279	+34.8
36	Bleecke, Sebastian	2141	GER	+211B	+114N	=9B	+14N	=13N	−7B	−26N	+97B	=52N	5.5	47.0	49.5	27.25	2227	+20.4
37	Van Liempt, Michael	2111	NED	+200B	+82N	=14B	−56N	+53B	−62N	+100B	+46N	−15B	5.5	43.5	46.5	26.75	2165	+12.6
38	Sievers, Andy	2148	GER	=207N	+70B	+112N	−11B	=51N	+129B	+52N	−7B	=45N	5.5	43.5	46.0	25.75	2135	-1.6
39	Kliashtornyi, ArkadiiFM	2289	UKR	=143N	=127B	+84B	+109N	+58B	−2N	+62B	=21N	−30B	5.5	43.0	47.0	26.50	2128	-60.0
40	Wunnink, MichaelFM	2167	NED	+178B	+115N	F	=6N	=66B	+49N	−14B	+68N	=32B	5.5	43.0	43.0	27.50	2229	+13.6
41	Seul, GeorgIM	2326	GER	+169N	+113B	+43N	=5B	=57N	+97B	−11N	=28B	F	5.5	42.5	42.5	27.00	2282	-1.1
42	Kamphuis, Jasper	2083	NED	+176N	=180B	+116N	−19B	+106N	−4B	+117N	+103B	−13N	5.5	41.5	45.0	23.25	2140	+12.8
43	Smid, Jelle	2086	NED	+148B	+66N	−41B	=62N	+172B	−46N	+115B	+82N	−10B	5.5	41.0	44.5	24.50	2100	+3.6
44	Smeets, Christiaan	2056	NED	+122N	−1B	=106N	+184B	−60N	+168B	+163N	+59B	−18N	5.5	40.0	43.5	22.25	2039	-8.4
45	Kalisvaart, Peter	2030	NED	+217N	−4B	+169N	+71B	−10B	=99N	=131B	+172N	=38B	5.5	40.0	42.5	21.50	2112	+17.2
46	Lind, Jacco	2007	NED	+226N	=222B	−20N	+108B	+83N	+43B	−28N	−37B	+106N	5.5	39.5	41.5	22.75	2180	+39.4
47	Stange, Sven	2107	NED	+165N	F	=161B	+93N	−6B	=82N	+53B	=73B	+63N	5.5	39.5	39.5	25.75	2159	+9.6
48	Meulmeester, Luuk	2041	NED	+145B	F	+207N	+83B	−19N	=55N	+96B	=16N	=50B	5.5	39.5	39.5	24.75	2272	+98.0
49	Habig, Bryan	2017	NED	+206N	=20B	=222N	+177B	=12N	−40B	=60N	=71B	+103N	5.5	38.5	41.0	23.00	2138	+27.0
50	Krylov, Philippe	2189	NED	+163N	=61B	−57N	+132B	−65N	+135B	+112N	=75B	=48N	5.5	38.0	41.5	23.75	2038	-63.2
51	Wambecq, Ward	1970	BEL	+220N	=25B	−31B	+213N	=38B	−64N	+210B	=96N	+102B	5.5	36.5	39.0	20.00	2093	+50.8
52	Dhooge, Servaas	2022	BEL	=183B	+194N	−56B	+91N	=99B	+200N	−38B	+131N	=36B	5.5	36.0	39.0	21.75	2031	+5.2
53	Den Heijer, Rolinde	1998	NED	+209N	−19B	=189N	+207B	−37N	+108B	−47N	+107B	+134B	5.5	35.5	38.0	19.50	2034	+9.2
54	Hng, Mei-Xian EuniceWFM	2052	SGP	=110N	+196B	+180N	=222B	−15B	+208N	=56B	+134N	−29B	5.5	35.0	37.5	19.00	2143	+20.8
55	Van der Kaap, Jos	2223	NED	+102B	F	=162N	+129B	=100N	=48B	F	+58N	+79B	5.5	32.0	32.0	25.25	2211	-1.4
56	De Jong, MigchielIM	2282	NED	+149N	=100B	+52N	+37B	−5N	=23B	=54N	=57B	−27N	5.0	45.0	49.0	25.50	2113	-17.8
57	Bauer, Jelle	1987	NED	+195N	F	+50B	+31N	=41B	=22N	=16B	=56N	−17B	5.0	44.0	44.0	26.00	2268	+56.0
58	Schmidt, Kai-Uwe	1959	GER	+242N	+29B	−11N	+159B	−39N	+33B	−23N	−55B	+132N	5.0	43.5	44.0	20.50	2152	+41.8
59	De Jonge, Elano	1879	NED	−12N	+226B	+75N	+104B	−21B	+81N	=30B	−44N	=109B	5.0	43.0	45.0	21.75	2078	+44.6
60	Morio, Estelle	1814	GER	−32B	+240N	+114B	=63N	+44B	−27N	=49B	=87N	=81B	5.0	42.5	43.5	21.25	2018	+41.2
61	Frohnhaeuser, Simon	1941	GER	+225B	=50N	=67B	=32N	−27B	+139N	+105B	−30N	=68B	5.0	42.0	44.0	21.25	2055	+27.8
62	Wiersma, Camiel	1939	NED	+156N	−35B	+110N	=43B	+85N	+37B	−39N	−67B	=88N	5.0	41.5	45.5	24.25	2067	+60.4
63	Aarts, Joaquin	2002	NED	+230N	−12B	+127N	=60B	−29B	+166N	+83B	=24N	−47B	5.0	41.5	43.5	20.00	2066	+14.2
64	Hng, Mei-En EmmanuelleWFM	2132	SGP	+189N	+119B	−8N	−97B	+126N	+51B	+69N	−20B	F	5.0	41.0	44.0	22.00	2147	+2.6
65	Alvares, Thomas	2001	NED	+152B	−10N	=139B	+149N	+50B	−29N	−18N	=168B	+126N	5.0	40.5	44.0	21.25	2055	+10.8
66	Leentjens, Gilbert	1921	NED	+120N	−43B	+235N	+76B	=40N	−35B	−75N	+110B	=78N	5.0	40.5	42.0	20.75	1971	+12.6
67	Lacrosse, MarcFM	2079	BEL	+111B	F	=61N	=128B	+135N	−14N	+84B	+62N	−16B	5.0	40.5	40.5	23.00	2109	+5.4
68	Kools, Thomas	2041	NED	+157N	−5B	=132N	+147B	+133N	−28B	+106N	−40B	=61N	5.0	40.0	44.0	21.00	2048	0.0
69	Timmermans, Raymond	1996	NED	=86B	=183N	+148B	+164N	=16B	=31N	−64B	+130N	−24B	5.0	40.0	43.5	22.00	2009	+3.0
70	Feijen, Niels	1823	NED	=27B	−38N	+236B	+84N	−105B	=119N	+114B	=81N	=87B	5.0	40.0	41.5	21.25	2012	+38.0
71	Verbeeren, Peter	1927	BEL	+231B	−21N	+233B	−45N	+95B	+74N	−17B	=49N	=104B	5.0	40.0	41.5	18.50	1964	+6.4
72	Groen, Jari	2054	NED	+146B	−6N	=99B	+130N	+131B	−16N	=172B	+161N	−31B	5.0	39.5	43.0	19.50	2075	+2.4
73	Ellenbroek, Ton	2015	NED	+95B	−15N	−160B	+194N	=178B	+147N	+86B	=47N	−34B	5.0	39.0	42.0	21.50	1967	-11.4
74	Merz, Leander	2034	GER	+154N	−8B	+137N	+80B	−20N	−71B	=126N	+190B	=119B	5.0	39.0	42.0	20.25	2051	+0.4
75	Lenting, Roan	2017	NED	+212B	−9N	−59B	=111N	+153B	+160N	+66B	=50N	F	5.0	39.0	41.5	20.00	2059	+13.6
76	Tibke, Jonas	2030	GER	+164B	=11N	=208B	−66N	=102B	+184N	+99B	−29N	=82B	5.0	38.5	41.0	20.75	2025	-3.8
77	Bakels, Anton	2015	NED	+203N	−13B	=108N	+210B	−14B	+149N	=102B	−90N	+130B	5.0	38.0	40.5	18.00	2014	-3.2
78	Hoffman, Ron	2029	NED	+238N	−7B	+107N	+167B	−22B	+191N	−98B	=119N	=66B	5.0	38.0	39.5	17.25	2057	+2.8
79	Weber, Nikita	2082	GER	+205N	+90B	−22B	=208N	=82B	−134N	+141N	+80B	−55N	5.0	37.0	39.5	20.25	2031	-24.8
80	Smit, Manuel	1934	NED	+232B	−17N	+173B	−74N	+164B	−30N	+148B	−79N	+165B	5.0	37.0	39.0	16.50	1936	+2.2
81	Goossens, Xavier	1990	BEL	−133N	+215B	+176N	−12B	+190N	−59B	+137N	=70B	=60N	5.0	36.0	38.5	18.00	1913	-18.0
82	Messaoudi, Nino	1934	NED	+219N	−37B	=228N	+234B	=79N	=47B	+88N	−43B	=76N	5.0	36.0	37.5	17.75	1965	+11.0
83	Agter, Frank	2197	NED	+142N	+136B	F	−48N	−46B	+189B	−63N	+135B	+117N	5.0	35.5	35.5	19.50	2041	-28.8
84	Kaufmann, Thomas	1941	NED	+236N	=18B	−39N	−70B	+205N	+207B	−67N	+163B	=105B	5.0	35.0	36.5	15.50	1990	+8.4
85	Verhoeven, Robin	2082	NED	+214B	=177N	=93B	=131N	−62B	=130N	−90B	+153N	+138B	5.0	34.5	37.0	18.75	1942	-32.6
86	Muilwijk, Marco	1741	NED	=69N	−162B	=166N	+142B	+177N	=104B	−73N	+180B	=89N	5.0	34.0	37.5	20.00	1992	+114.4
87	Kelder, Sjoerd	1974	NED	=175N	=110B	+205N	−25B	−127N	+214B	+189N	=60B	=70N	5.0	33.5	36.0	17.00	1902	-17.6
88	Kleinschroth, Roland	2041	GER	−194B	=171N	+181B	−99N	+213B	+91N	−82B	+160N	=62B	5.0	33.0	35.5	18.75	1889	-24.2
89	Fallaux, Storm	1970	NED	=228B	=181N	+194B	−16N	+193B	−96N	+191B	=102N	=86B	5.0	33.0	35.0	16.50	1932	-15.6
90	Oostvogels, Niek	1913	NED	+235B	−79N	F	=228B	=94N	=133B	+85N	+77B	=35N	5.0	33.0	33.0	19.75	1974	+11.8
91	Van de Poel, Taco	1891	NED	−20N	=206B	+196N	−52B	+212N	−88B	=146N	+209B	+129N	5.0	32.5	35.0	15.25	1956	+12.8
92	Huang, Luca Hanson	1841	GER	−18N	+218B	−26N	+223B	−104N	=224B	=136N	+221B	+128N	5.0	32.0	34.0	14.00	1871	+13.6
93	Verbruggen, Samuel	1943	BEL	=215N	+186B	=85N	−47B	=187N	−163B	+192B	=165N	+148B	5.0	31.5	34.0	17.75	1899	-9.8
94	Haasbroek, Brandon	1722	NED	−113N	+151B	−128N	+211B	=90B	−131N	=143B	+210N	+161B	5.0	31.5	34.0	17.00	1950	+106.4
95	Kempfer, Justus	1775	GER	−73N	−132B	+219N	+169B	−71N	−126B	+234N	+137B	+177N	5.0	31.5	33.0	15.00	1879	+25.4
96	Van Hesselingen, GuidoFM	2271	NED	+151N	+117B	−3N	+113B	−26N	+89B	−48N	=51B	F	4.5	43.0	47.0	20.75	2102	-30.2
97	Belle, Arthur	1953	NED	+179B	−16N	+183B	+64N	+17B	−41N	−21B	−36N	=149B	4.5	42.5	46.0	20.50	2045	+39.2
98	Provoost, Simon	2189	NED	+182B	F	+144N	+125B	=7N	−20B	+78N	−26B	−23N	4.5	42.0	42.0	20.50	2135	-9.6
99	Godding, Mick	1894	NED	−7N	+217B	=72N	+88B	=52N	=45B	−76N	=144B	=113N	4.5	41.5	44.0	19.75	2025	+29.2
100	Landman, Renzo	1965	NED	+150B	=56N	=159B	+33N	=55B	−24N	−37N	+108B	F	4.5	41.0	45.0	21.75	2108	+61.6
101	Van de Vreede, Jim	2003	NED	+202B	F	−28N	+163B	=18N	+167B	−25N	+127B	−33N	4.5	38.5	38.5	17.25	2067	+13.6
102	Girgis, Daniel	1859	NED	−55N	+150B	−104N	+188B	=76N	+162B	=77N	=89B	−51N	4.5	38.0	41.5	18.50	1959	+45.6
103	Boersma, David	1928	SWE	+227N	−30B	+185N	−23B	=206B	+123N	+118B	−42N	−49B	4.5	38.0	40.0	15.75	1904	-5.2
104	Gold, Jan Christian	2013	GER	=196N	F	+102B	−59N	+92B	=86N	+165B	−18B	=71N	4.5	37.5	37.5	19.50	1916	-37.6
105	Duchene, Rene	2067	NED	+123B	+233N	F	−28B	+70N	−12B	−61N	+140B	=84N	4.5	37.5	37.5	17.50	2000	-12.2
106	Magnussen, Petur Gardar	1920	FAI	+237B	−24N	=44B	+165N	−42B	+206N	−68B	+166N	−46B	4.5	37.0	38.5	13.75	1927	+1.2
107	Melger, Ron	1881	NED	−22B	+152N	−78B	+155N	−109B	=195N	+150B	−53N	+164B	4.5	36.5	39.5	17.00	1894	+2.0
108	Hotwani, Rahul	1862	NED	−16B	+198N	=77B	−46N	+216B	−53N	+152B	−100N	+225B	4.5	36.5	38.5	14.00	1896	+6.2
109	Haak, Eelco	1983	NED	+188B	F	=25N	−39B	+107N	−127B	=142N	+151B	=59N	4.5	36.5	36.5	19.50	1995	+1.8
110	Koorevaar, Sarah-Joy	1803	NED	=54B	=87N	−62B	=114N	−130B	+181N	+184B	−66N	+182B	4.5	36.0	39.5	18.00	1891	+35.6
111	Uittenbogaard, Hans	1815	NED	−67N	=120B	+156N	=75B	−115N	−34B	+216N	=167B	+190N	4.5	35.5	38.0	16.00	1862	+11.8
112	Helmond, Frans	1968	NED	+204N	F	−38B	+153N	−24B	+178N	−50B	=149N	+143B	4.5	35.5	35.5	16.50	1981	+1.8
113	Kools, Jasper	1981	NED	+94B	−41N	+123B	−96N	−200B	+145N	−130B	+193N	=99B	4.5	35.0	38.0	18.75	1931	-14.0
114	Van de Braak, Joey	1947	NED	+185N	−36B	−60N	=110B	=214N	+122B	−70N	=176B	+170N	4.5	35.0	37.5	16.75	1836	-26.4
115	Van der Borgt, Peter	1953	NED	+223N	−40B	F	=192N	+111B	=18B	−43N	=142B	+127N	4.5	35.0	35.0	17.25	1964	+1.4
116	Morssink, Pieter Jan	1948	NED	+224N	F	−42B	=200N	+122B	−17N	+193B	−33B	+142N	4.5	34.5	34.5	15.00	1959	+3.6
117	Schreidl, Michael	1956	GER	+173B	−96N	−164B	=145N	+179B	+192N	−42B	+147N	−83B	4.5	33.5	36.5	16.00	1912	-21.6
118	Van der Zalm, Marnix	2060	NED	+229N	−3B	F	=140N	=160B	+132B	−103N	=126B	+168N	4.5	33.0	33.0	15.25	1999	-13.8
119	De Zwart, Johan	1938	NED	+239B	−64N	F	−133B	+171N	=70B	+176N	=78B	=74N	4.5	32.5	32.5	16.00	1917	-2.4
120	Muzyka, Irina	1460	GER	−66B	=111N	−138B	−209N	=186N	+188B	+212N	+189B	=167N	4.5	29.5	32.0	14.75	1797	+135.6
121	Aben, Paul	1953	NED	=186N	+175B	−18N	−189B	−207N	=212B	+195N	=170B	+176N	4.5	29.0	31.5	14.75	1820	-31.0
122	Densing, Gerd	1804	GER	−44B	F	=190N	+235B	−116N	−114N	+223B	+208N	+131B	4.5	27.5	27.5	11.50	1894	+13.2
123	Van Est, Krijn	1814	NED	−105N	+243B	−113N	+233B	=136N	−103B	−190N	+224B	+169N	4.5	27.5	27.5	9.00	1809	-4.4
124	Tang, Yichen	1604	JPN	−172N	−192B	−170N	+243B	+154N	=174N	−166B	+214B	+163N	4.5	27.0	27.0	11.75	1804	+76.0
125	Zappel, Marius	2034	GER	+199B	F	+133N	−98N	=208B	+140N	+31B	F	F	4.5	24.0	24.0	18.25	2149	+18.8
126	Hoehfeld, Markus	1901	GER	−5N	+157B	−23N	+154B	−64B	+95N	=74B	=118N	−65B	4.0	41.5	45.5	17.75	1953	+10.0
127	Roth, Jonas	1854	GER	=31B	=39N	−63B	+158N	+87B	+109N	−32B	−101N	−115B	4.0	41.0	45.0	19.25	1975	+51.6
128	Saeid, Kiarasch	1948	NED	=181B	=158N	+94B	=67N	=30B	−32N	+164B	−34N	−92B	4.0	40.5	44.0	17.75	1887	-26.8
129	Westerweele, Henrik	1969	NED	+198B	−22N	+145B	−55N	+148B	−38N	+182B	−31N	−91B	4.0	39.5	42.5	14.50	1950	-6.4
130	Mader, Lena	1897	GER	−8N	=154B	+212N	−72B	+110N	=85B	+113N	−69B	−77N	4.0	39.5	42.0	16.00	1936	+7.4
131	Van Gemert, Rogier	1931	NED	+221N	−34B	+223N	=85B	−72N	+94B	=45N	−52B	−122N	4.0	39.0	41.0	14.75	1836	-19.6
132	Lee, Jungbin	1895	NED	−15B	+95N	=68B	−50N	+199B	−118N	=157B	+198N	−58B	4.0	38.5	41.5	15.50	1914	+2.0
133	Vollmer, Lars Christian	1741	GER	+81B	=32N	−125B	+119N	−68B	=90N	−161B	−143N	+193B	4.0	37.5	40.5	18.00	1916	+77.2
134	Beltman, Guus	1910	NED	−2B	F	=154N	+157B	+228N	+79B	=159N	−54B	−53N	4.0	37.5	37.5	15.00	1983	+13.2
135	Koppelaar, Victor	1912	NED	−3N	F	+171B	+221N	−67B	−50N	+139B	−83N	+178B	4.0	36.5	36.5	13.50	1978	+22.4
136	Brehme, Ralf-Peter	1948	GER	+218B	−83N	+158B	−17N	=123B	−165N	=92B	−148N	+203B	4.0	35.5	38.0	14.25	1824	-29.2
137	Van de Poel, Jona	1892	NED	−14B	+155N	−74B	−206N	+158B	+202N	−81B	−95N	+198B	4.0	35.5	38.0	14.00	1830	-34.0
138	Van de Griendt, Wouter	1899	NED	−11B	−145N	+120N	+217B	−159N	=146B	=187N	+183B	−85N	4.0	35.0	37.5	14.25	1847	-12.6
139	Weller, Werner	1828	GER	−34N	+219B	=65N	+180B	−33N	−61B	−135N	=204B	+209N	4.0	35.0	37.5	12.50	1877	+8.2
140	Czappa, Fabian Alexander	1901	GER	−6B	F	+199N	=118B	+173N	−125B	=144N	−105N	+174B	4.0	34.5	34.5	14.25	1970	+12.8
141	De Witte, Wiebe	1909	NED	−1N	+229B	F	−29N	=145B	+203N	−79B	=164N	+192B	4.0	34.0	34.0	11.75	1950	+5.2
142	Kunnen, Ruurd	1859	NED	−83B	−173N	+201B	−86N	+220B	+179N	=109B	=115N	−116B	4.0	33.5	36.0	13.50	1795	-15.8
143	Baete, Guy	1877	BEL	=39B	−31N	=230B	−202N	+188N	=228B	=94N	+133B	−112N	4.0	33.5	35.5	14.75	1831	-14.0
144	Heiligtag, Matthias	1981	GER	+216N	=28B	−98B	+182N	−31B	=210N	=140B	=99N	F	4.0	33.5	33.5	14.50	1985	0.0
145	Geyler, Stefan, Dr.	1797	GER	−48N	+138B	−129N	=117B	=141N	−113B	=204N	+215B	=184N	4.0	33.0	35.5	14.00	1869	+14.0
146	Goverde, Ruud	1803	NED	−72N	F	−27B	=150N	+218B	=138N	=91B	=191N	+160B	4.0	33.0	33.0	14.00	1882	+15.4
147	Timmermans, Adri	1868	NED	−28N	F	+209B	−68N	+152B	−73B	+215N	−117B	+173N	4.0	33.0	33.0	12.50	1891	+3.0
148	De Feijter, Niels	1823	NED	−43N	+227B	−69N	+225B	−129N	+234B	−80N	+136B	−93N	4.0	32.5	34.0	9.50	1792	-7.2
149	Boecker, Juergen, Dr.	1869	GER	−56B	F	+175N	−65B	+196N	−77B	+224N	=112B	=97N	4.0	32.5	32.5	13.00	1920	+9.2
150	Heimann, Jonas	1690	GER	−100N	−102N	=174B	=146B	=170N	+171B	−107N	+205B	=162N	4.0	31.5	34.0	13.25	1822	+60.0
151	Verhoeff, Timardi	1868	NED	−96B	−94N	−198B	+232N	=175B	+230N	+155B	−109N	=152B	4.0	30.5	32.5	11.75	1764	-26.2
152	Colsen, Manuel	1761	NED	−65N	−107B	=197N	+239B	−147N	+211B	−108N	+213B	=151N	4.0	30.0	31.5	10.00	1766	-0.4
153	Regeling, Chris	1836	NED	−159N	=224B	+215N	−112B	−75N	=216B	+175N	−85B	+212N	4.0	29.5	31.5	10.75	1817	-5.6
154	De Leeuw, Kees	1795	NED	−74B	=130N	=134B	−126N	−124B	=201N	+236B	=179N	+237B	4.0	29.5	31.0	10.25	1654	-54.4
155	Zootjes, Aaron	1774	NED	−26N	−137B	+227N	−107B	+235N	=190B	−151N	=211B	+189N	4.0	29.0	30.5	9.25	1732	-17.2
156	Van der Hoek, Sam	1603	NED	−62B	=200N	−111B	+226N	=197B	−193N	+199B	=182N	=166B	4.0	28.5	30.5	11.50	1801	+86.8
157	Jain, Arham	1802	ENG	−68B	−126N	+232B	−134N	=225N	+185B	=132N	−177B	+216N	4.0	28.5	30.5	11.00	1767	-15.6
158	Jacobs, Paul	1738	BEL	=162N	=128B	−136N	−127B	−137N	+231B	−169N	+235B	+211N	4.0	27.5	29.0	9.75	1750	+1.0
159	Serbu, Daniel Elias, Dr.	2120	GER	+153B	F	=100N	−58N	+138B	+161N	=134B	F	F	4.0	25.0	25.0	15.75	2044	-10.8
160	Quintus, Max	1871	NED	−19N	+195B	+73N	−26B	=118N	−75B	+228N	−88B	−146N	3.5	38.5	40.5	12.25	1882	-0.6
161	Mohamedjoesoef, Rafiek	1945	NED	+201B	F	=47N	+34B	−25N	−159B	+133N	−72B	−94N	3.5	38.5	38.5	15.75	1926	-4.6
162	Hematyar, Fardin	1990	NED	=158B	+86N	=55B	−15N	=192B	−102N	=178B	−187N	=150B	3.5	36.5	39.5	15.00	1826	-41.0
163	Nellen, Marcel	1857	NED	−50B	=179N	+220B	−101N	+221B	+93N	−44B	−84N	−124B	3.5	36.0	38.5	11.75	1774	-20.2
164	Van Happen, Niels	1794	NED	−76N	+197B	+117N	−69B	−80N	+177B	−128N	=141B	−107N	3.5	35.5	38.5	13.00	1860	+15.0
165	Perlog, Cristian	1828	MDA	−47B	+232N	F	−106B	+180N	+136B	−104N	=93B	−80N	3.5	34.0	34.0	12.00	1877	+16.8
166	Andriessen, Bart Jan	1867	NED	−25N	F	=86B	=230N	+209B	−63B	+124N	−106B	=156N	3.5	33.5	33.5	12.50	1786	-19.0
167	Galle, Andre	1918	BEL	+243N	F	=32B	−78N	+202B	−101N	−34B	=111N	=120B	3.5	33.5	33.5	10.50	1800	-21.0
168	Westveer, Riny	1885	NED	−13N	F	+238B	−27N	+230B	−44N	+206B	=65N	−118B	3.5	33.5	33.5	8.50	1904	0.0
169	Kompaan, Rick	1883	NED	−41B	+202N	−45B	−95N	−195B	+218N	+158B	=225N	−123B	3.5	33.0	35.0	10.50	1750	-34.6
170	Kuiper, Willem	1827	NED	−24B	−234N	+124B	−173N	=150B	=175N	+220B	=121N	−114B	3.5	33.0	34.5	13.00	1685	-33.8
171	Kolijn, David	1805	NED	−23N	=88B	−135N	F	−119B	−150N	+181B	+201N	+191B	3.5	33.0	33.5	12.00	1781	-12.4
172	Reulink, Fred	1939	NED	+124B	−33N	F	+214B	−43N	+187B	=72N	−45B	F	3.5	32.5	32.5	13.00	1938	+1.0
173	Aarav Thodge	1686	IND	−117N	+142B	−80N	+170B	−140B	−182N	+229B	=178N	−147B	3.5	32.0	34.0	11.25	1793	+47.6
174	Welten, Hans	1834	NED	−35N	−185B	=150N	=175B	+204N	=124B	−180N	+195B	−140N	3.5	31.5	34.5	12.00	1651	-39.4
175	Henckens, Elof	1711	NED	=87B	−121N	−149B	=174N	=151N	=170B	−153B	=197N	+205N	3.5	31.5	34.0	12.00	1795	+37.2
176	De Feijter, David	1822	NED	−42B	+231N	−81B	−179N	+223B	+227N	−119B	=114N	−121B	3.5	31.5	33.5	8.25	1531	-32.8
177	Fischer, Gert, Dr.	1913	GER	+241N	=85B	F	−49N	−86B	−164N	+202B	+157N	−95B	3.5	31.5	31.5	10.00	1753	-62.4
178	Niewenhuis, Ruud	1850	NED	−40N	−223B	+195N	+224B	=73N	−112B	=162N	=173B	−135N	3.5	31.0	33.0	11.00	1850	-1.6
179	Hausrath, Frederick Noah	1681	GER	−97N	=163B	=211N	+176B	−117N	−142B	=205N	=154B	=183N	3.5	30.0	32.5	11.50	1774	+40.0
180	Timar, Yannick	1917	NED	+240B	=42N	−54B	−139N	−165B	+226N	+174B	−86N	F	3.5	30.0	30.0	9.25	1775	-27.4
181	Burgers, Bram	0	NED	=128N	=89B	−88N	=205B	−210N	−110B	−171N	+233B	+217N	3.5	29.5	31.0	9.75	1739	0.0
182	Van de Griend, Johan	1857	NED	−98N	=242B	+186N	−144B	=234N	+173B	−129N	=156B	−110N	3.5	29.5	30.0	10.00	1709	-35.4
183	Van Heeren, Arie	1786	NED	=52N	=69B	−97N	−190B	+240N	F	+227B	−138N	=179B	3.5	28.5	28.5	10.00	1715	-11.0
184	Snijders, Frans	1883	NED	−222N	+203B	F	−44N	+238B	−76B	−110N	+206N	=145B	3.5	28.5	28.5	9.00	1831	-13.4
185	Bergshoeff, Bert	1665	NED	−114B	+174N	−103B	−193N	=194B	−157N	=226B	=199N	+229B	3.5	27.5	29.5	9.50	1752	+15.8
186	Hijl, Veronique	1684	NED	=121B	−93N	−182B	−199N	=120B	=233N	=194B	=229N	+226B	3.5	27.5	29.0	9.75	1696	+0.6
187	Van Gestel, Sjef	1832	NED	−21B	F	=225N	+198N	=93B	−172N	=138B	+162B	F	3.5	27.0	27.0	12.00	1891	+10.6
188	Romijn, Martjan	1731	NED	−109N	F	=191B	−102N	−143B	−120N	+233B	+223N	+194B	3.5	27.0	27.0	8.00	1446	-57.6
189	Van Driel, Eric	1839	NED	−64B	+201N	=53B	+121N	=32B	−83N	−87B	−120N	−155B	3.0	39.5	42.5	13.25	1788	-13.0
190	Van Beek, Harmen	1896	NED	−4N	F	=122B	+183N	−81B	=155N	+123B	−74N	−111B	3.0	38.5	38.5	12.25	1827	-36.8
191	Rebreyend, Christophe	1885	NED	−10B	F	=188N	+203B	+34N	−78B	−89N	=146B	−171N	3.0	36.5	36.5	12.75	1851	-22.8
192	De Lange, Rik	1834	NED	−17B	+124N	F	=115B	=162N	−117B	−93N	+196B	−141N	3.0	35.5	35.5	11.50	1819	-4.8
193	Huijzer, Jacques	1825	NED	−30N	−221B	+218N	+185B	−89N	+156B	−116N	−113B	−133N	3.0	34.0	36.5	10.00	1679	-34.8
194	Vermeulen, Jacco	0	NED	+88N	−52B	−89N	−73B	=185N	−215B	=186N	+219B	−188N	3.0	33.5	36.0	11.00	1695	0.0
195	Peggau, Benjamin	1731	GER	−57B	−160N	−178B	+231N	+169N	=107B	−121B	−174N	=213N	3.0	30.5	32.5	9.00	1664	-20.8
196	Kogeler, Aart	1774	NED	=104B	−54N	−91B	+241N	−149B	=197N	=213B	−192N	=201B	3.0	30.5	31.0	7.00	1657	-19.8
197	Romkes, Erik	1897	NED	−9B	−164N	=152B	=220N	=156N	=196B	−209N	=175B	=204N	3.0	30.0	32.5	10.00	1657	-104.8
198	De Boer, Sake Jan	1697	NED	−129N	−108B	+151N	−187B	=211N	=205B	+214N	−132B	−137N	3.0	29.0	31.5	9.00	1742	+9.4
199	Van Sonderen, Paul	1795	NED	−125N	F	−140B	+186B	−132N	=225B	−156N	=185B	+224N	3.0	27.5	27.5	8.25	1676	-27.2
200	De Leede, Tjeerd	1829	NED	−37N	=156B	+239N	=116B	+113N	−52B	F	F	F	3.0	25.5	25.5	10.25	1878	+7.4
201	Van de Ven, Raymond	1656	NED	−161N	−189B	−142N	−227B	+243N	=154B	+217N	−171B	=196N	3.0	25.5	25.5	6.00	1672	+3.2
202	Rotermund, Verena	1770	GER	−101N	−169B	+243N	+143B	−167N	−137B	−177N	F	+240B	3.0	25.5	25.5	5.00	1641	-17.4
203	Zootjes, Mark	1776	NED	−77B	−184N	+240B	−191N	+233N	−141B	−221N	+234B	−136N	3.0	25.0	26.0	4.00	1506	-41.8
204	De Bruijn, Sander	0	NED	−112B	F	F	=229N	−174B	+240N	=145B	=139N	=197B	3.0	22.0	22.0	7.50	1731	0.0
205	Veldhuysen, Klaas	1818	NED	−79B	+237N	−87B	=181N	−84B	=198N	=179B	−150N	−175B	2.5	32.5	34.0	6.50	1516	-49.2
206	De Meester, Johan	1785	NED	−49B	=91N	F	+137B	=103N	−106B	−168N	−184B	=231N	2.5	32.5	32.5	9.75	1759	-5.2
207	Knight, David	1846	NED	=38B	+27N	−48B	−53N	+121B	−84N	F	F	F	2.5	32.0	32.0	13.25	1971	+17.6
208	Juergens, Florian	1929	GER	+234B	F	=76N	=79B	=125N	−54B	−33N	−122B	F	2.5	32.0	32.0	8.75	1851	-13.4
209	Ter Braake, Krijn	1747	NED	−53B	F	−147N	+120B	−166N	=213N	+197B	−91N	−139B	2.5	32.0	32.0	8.75	1672	-14.2
210	Freer, Rob	1857	NED	−29N	F	+216B	−77N	+181B	=144B	−51N	−94B	F	2.5	31.5	31.5	8.00	1743	-18.8
211	Vliek, Dick	1843	NED	−36N	F	=179B	−94N	=198B	−152N	+230B	=155N	−158B	2.5	31.0	31.0	7.25	1644	-43.2
212	Hofstee, Piet	1784	NED	−75N	F	−130B	+236N	−91B	=121N	−120B	+220N	−153B	2.5	31.0	31.0	6.25	1592	-32.2
213	Paul, Mark	0	NED	−33B	F	+242N	−51B	−88N	=209B	=196N	−152N	=195B	2.5	29.5	29.5	4.75	1716	0.0
214	Huijbregtse, Wim	1821	NED	−85N	F	+241B	−172N	=114B	−87N	−198B	−124N	+227B	2.5	28.0	28.0	4.75	1473	-84.0
215	Van de Vooren, Mark	1655	NED	=93B	−81N	−153B	−238N	+241B	+194N	−147B	−145N	F	2.5	27.0	27.0	6.00	1521	-23.2
216	Radder, Niels	1729	NED	−144B	F	−210N	+237B	−108N	=153N	−111B	+227N	−157B	2.5	27.0	27.0	5.50	1458	-29.4
217	Van Gemert, Jean-Pierre	1794	NED	−45B	−99N	+231B	−138N	−227B	=236N	−201B	+240N	−181B	2.5	26.0	27.0	3.75	1070	-32.2
218	Smit, Tom	1673	NED	−136N	−92N	−193B	+219B	−146N	−169B	−231N	+241B	=235N	2.5	25.5	26.0	3.75	1543	-18.2
219	Kolijn, Simon	1596	NED	−82B	−139N	−95B	−218N	+232B	−229N	+241B	−194N	=230B	2.5	25.5	26.0	3.50	1536	-20.8
220	Zweedijk, Leon	1699	NED	−51B	F	−163N	=197B	−142N	+237B	−170N	−212B	+236N	2.5	25.0	25.0	4.50	1465	-48.0
221	Van den Heuvel, Ton	1567	NED	−131B	+193N	F	−135B	−163N	=238N	+203B	−92N	F	2.5	24.0	24.0	6.75	1732	+42.0
222	Klepke, RicardoFM	2321	NED	+184B	=46N	=49B	=54N	F	F	F	F	F	2.5	20.0	20.0	11.75	2094	-19.4
223	Orij, Jitze	0	NED	−115B	+178N	−131B	−92N	−176N	+235B	−122N	−188B	−232N	2.0	30.5	32.0	5.00	1492	0.0
224	Kooman, Ko	1671	NED	−116B	=153N	F	−178N	+229B	=92N	−149B	−123N	−199B	2.0	30.5	30.5	6.50	1652	-4.0
225	Dhooge, Achiel	1654	BEL	−61N	F	=187B	−148N	=157B	=199N	F	=169B	−108N	2.0	29.0	29.0	7.00	1690	+4.8
226	Simon, Elena	1773	GER	−46B	−59N	F	−156B	+239N	−180B	=185N	=231B	−186N	2.0	28.5	28.5	4.25	1535	-84.0
227	Agastya Singh Beniwal	0	IND	−103B	−148N	−155B	+201N	+217N	−176B	−183N	−216B	−214N	2.0	27.5	30.0	5.50	1573	0.0
228	Zhang, Jinchen	1707	NED	=89N	F	=82B	=90N	−134B	=143N	−160B	F	F	2.0	26.5	26.5	9.50	1788	+20.3
229	Schoor, Carl	1808	NED	−118B	−141N	F	=204B	−224N	+219B	−173N	=186B	−185N	2.0	26.5	26.5	5.75	1523	-50.6
230	Markus, Gijs	1766	NED	−63B	F	=143N	=166B	−168N	−151B	−211N	=236B	=219N	2.0	26.5	26.5	5.75	1618	-24.4
231	Wong, Hong Yuan	1489	SGP	−71N	−176B	−217N	−195B	F	−158N	+218B	=226N	=206B	2.0	25.0	25.0	4.75	1587	0.0
232	Glastra, Nickjan	1581	NED	−80N	−165B	−157N	−151B	−219N	+243B	−237N	F	+223B	2.0	24.0	24.0	2.00	1006	-46.4
233	Tan, Jie Han Jason	0	MAS	F	−105B	−71N	−123N	−203B	=186B	−188N	−181N	+234B	1.5	29.0	29.0	3.25	1555	0.0
234	Van Hattum, Karel	1499	NED	−208N	+170B	F	−82N	=182B	−148N	−95B	−203N	−233N	1.5	28.0	28.0	5.25	1607	+12.8
235	Roth, Fabian	0	GER	−90N	F	−66B	−122N	−155B	−223N	+243B	−158N	=218B	1.5	27.0	27.0	1.25	1403	0.0
236	Op den Dries-Heuten, Rachel	0	NED	−84B	F	−70N	−212B	=237N	=217B	−154N	=230N	−220B	1.5	25.0	25.0	3.00	1491	0.0
237	Vos, Roald	0	NED	−106N	−205B	F	−216N	=236B	−220N	+232B	F	−154N	1.5	22.5	22.5	2.75	1484	0.0
238	Stokkermans, Peter	0	NED	−78B	F	−168N	+215B	−184N	=221B	F	F	F	1.5	19.0	19.0	3.75	1655	0.0
239	Boersma, Kees	1602	NED	−119N	F	−200B	−152N	−226B	=241N	−240B	F	+243N	1.5	17.0	17.0	0.25	1025	-17.8
240	Dechamps, Jip	0	NED	−180N	−60B	−203N	F	−183B	−204B	+239N	−217B	−202N	1.0	25.0	25.0	1.50	1471	0.0
241	Engel, Quirine	0	NED	−177B	F	−214N	−196B	−215N	=239B	−219N	−218N	F	0.5	18.0	18.0	0.75	1297	0.0
242	Jonkheer, Alex	1689	NED	−58B	=182N	−213B	F	F	F	F	F	F	0.5	14.5	14.5	1.75	1716	+1.0
243	Valembois, Pierre	0	BEL	−167B	−123N	−202B	−124N	−201B	−232N	−235N	F	−239B	0.0	23.5	23.5	0.00	907	0.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Muzyka, IrinaGER
+135.6
4.5 pts · #90
2Muilwijk, MarcoNED
+114.4
5.0 pts · #67
3Haasbroek, BrandonNED
+106.4
5.0 pts · #79

Top rating losers

1Romkes, ErikNED
-104.8
3.0 pts · #183
2Huijbregtse, WimNED
-84.0
2.5 pts · #236
3Simon, ElenaGER
-84.0
2.0 pts · #211

Biggest upsets

R8+379 Elo gap
Muzyka, Irina1460 beat Van Driel, Eric1839
R2+328 Elo gap
Van Hattum, Karel1499 beat Kuiper, Willem1827
R7+324 Elo gap
Muzyka, Irina1460 beat Hofstee, Piet1784