33. DSK-Open 2026 Maerz 2026

Open SwissStandard

57 players participated in this 2-round tournament, held from 13 Mar 2026 to 27 Mar 2026 in Duesseldorf, Germany. 1 titled players from 5 federations. Top 10 Elo average was 2086, and top seed was Francesco De Gleria (🇩🇪 GER, IM, 2378).

Klaus Westenberger (🇩🇪 GER, 1903) won with 2.0/2, ahead of Guenter Steinkuehler (2.0) and Eddy Weichert (2.0). Westenberger won on tie-break after catching the field in the final round.

The biggest upset came in round 1: Jonas Markgraf (2021) beat Francesco De Gleria (IM, 2378), a +357-point gap.

Location

🇩🇪Duesseldorf, Germany

Dates

13 Mar 2026 → 27 Mar 2026

Time control

Standard: 90 minutes for first 40 moves and 15 min. for the rest of the game with 30 sec. increment from move 1

System

Swiss · 2 rounds

Top seed

🇩🇪IMFrancesco De Gleria2378

Avg top 10

2,086

Participants

Titled players · 1

IM×1

Federations · 5 represented

🇩🇪Germany×50

🇹🇷Turkiye×2

🇺🇦Ukraine×1

🇳🇬Nigeria×1

🇵🇱Poland×1

Top 3

🥇
Klaus Westenberger
🇩🇪GER·1903
2.0pts·2464perf+4.0
🥈
Guenter Steinkuehler
🇩🇪GER·2131
2.0pts·2590perf+9.6
🥉
Eddy Weichert
🇩🇪GER·2015
2.0pts·2623perf+10.0

Grille américaine

#	Player	Elo	Fed	R1	R2	Pts	Bu C1	Bu	SB	Perf	Δ
1	Westenberger, Klaus	1903	GER	+15N	+14B	2.0	1.0	2.0	2.00	2464	+4.0
2	Steinkuehler, Guenter	2131	GER	+46N	+12B	2.0	1.0	1.0	1.00	2590	+9.6
3	Weichert, Eddy	2015	GER	+47B	+13N	2.0	1.0	1.0	1.00	2623	+10.0
4	Ciornei, Dragos, Dr.	2107	GER	=5B	+21N	1.5	1.5	2.5	1.75	2176	+3.2
5	Riabtsev, Ivan	2038	UKR	=4N	+20B	1.5	1.5	2.5	1.75	2215	+9.2
6	Markgraf, Jonas	2021	GER	+19N	=7B	1.5	1.5	2.5	1.75	3178	+17.8
7	Markov, German	0	GER	+?B	=6N	1.5	1.5	1.5	0.75	2093	0.0
8	Krueger, Andre	2000	GER	+16B	=18N	1.5	1.0	2.0	1.50	2161	+8.2
9	Irtes, Deniz	1821	TUR	=17B	+48N	1.5	1.0	1.0	0.50	2481	+12.8
10	Meyer, Stefan	1853	GER	=39N	+50B	1.5	0.5	0.5	0.25	2428	+4.4
11	Satheesh, Yazhini	1478	GER	=38N	+49B	1.5	0.5	0.5	0.25	1707	+11.6
12	Liu, Xiao-You	1848	GER	+44B	−2N	1.0	2.0	2.5	0.50	1861	+0.8
13	Bilau, Max	1823	GER	+50N	−3B	1.0	2.0	2.0	0.00	1822	0.0
14	Satheesh, Dharshini	1665	GER	+56B	−1N	1.0	2.0	2.0	0.00	1766	+10.0
15	Orlov, Mikhail	0	GER	−1B	+54N	1.0	2.0	2.0	0.00	1675	0.0
16	Liesendahl, Felix	1990	GER	−8N	+32N	1.0	1.5	2.5	1.00	1874	-5.8
17	Puetter, Rudolf	0	GER	=9N	=41B	1.0	1.5	2.0	1.00	1746	0.0
18	Piekorz, Roland	1945	GER	=40B	=8B	1.0	1.5	2.0	1.00	2056	+12.0
19	De Gleria, FrancescoIM	2378	GER	−6B	+40N	1.0	1.5	2.0	0.50	2066	-7.1
20	Jahn, Thomas	1937	GER	+53B	−5N	1.0	1.5	1.5	0.00	2053	+6.4
21	von Stahl, Mark	1927	GER	+57N	−4B	1.0	1.5	1.5	0.00	1885	-1.6
22	Xue, Luka	1940	GER	−25N	+31B	1.0	1.0	2.0	1.00	1659	-26.8
23	Lohberg, David	1677	GER	−26N	+29B	1.0	1.0	2.0	1.00	1907	+23.2
24	Huneke, Markus	1602	GER	−28B	+43B	1.0	1.0	1.5	0.50	2219	+10.4
25	Yilmaz, Deniz	1700	GER	+22B	F	1.0	1.0	1.0	1.00	2740	+32.0
26	Kostowski, Ireneus, Dr.	1888	GER	+23B	F	1.0	1.0	1.0	1.00	2477	+4.6
27	Ritzenhoff, Tomke	1961	GER	F	+30B	1.0	1.0	1.0	1.00	2727	+18.0
28	FIDE 16296834	0	—	+24N	F	1.0	1.0	1.0	1.00	1622	0.0
29	Weber, Thomas	1926	GER	+54B	−23N	1.0	1.0	1.0	0.00	1602	-14.6
30	Walczewski, Christopher	1927	GER	+52B	−27N	1.0	1.0	1.0	0.00	1917	-0.6
31	Heinke, Marian	1617	GER	+55N	−22N	1.0	1.0	1.0	0.00	1140	-5.2
32	Biessner, Eberhard	1747	GER	+49N	−16B	1.0	1.0	1.0	0.00	1190	-4.0
33	Vorwerg, Nils	0	GER	+42N	−?B	1.0	0.5	0.5	0.50	1795	0.0
34	Peters, Soeren	1788	GER	+41N	F	1.0	0.5	0.5	0.50	2475	+14.0
35	Cao, Da	1752	POL	+48B	F	1.0	0.0	0.0	0.00	2481	+16.0
36	Standers, Bruno	0	GER	+51B	−?N	1.0	0.0	0.0	0.00	1562	0.0
37	Diepenbrock, Wolfram, Dr.	1572	GER	F	+51N	1.0	0.0	0.0	0.00	2342	+18.4
38	Lundt, Jens	1708	GER	=11B	F	0.5	1.5	1.5	0.75	1478	-11.6
39	EMEKA, Emmanuel Udodi	0	NGR	=10B	F	0.5	1.5	1.5	0.75	1853	0.0
40	Juegel, Marcel	2111	GER	=18N	−19B	0.5	1.0	2.0	0.50	1969	-8.0
41	Mekus, Manuela	1675	GER	−34B	=17N	0.5	1.0	2.0	0.50	988	-7.0
42	Hausleitner, Nick	1782	GER	−33B	=44N	0.5	1.0	1.5	0.25	1591	-10.0
43	Koper, Anna Margarete	1420	GER	=45B	−24N	0.5	1.0	1.5	0.25	1454	+2.8
44	Aizbalts, Martin	1591	GER	−12N	=42B	0.5	1.0	1.5	0.25	1622	+1.4
45	Knaeble, Holger	1691	GER	=43N	F	0.5	0.5	0.5	0.25	1419	-13.2
46	Neumair, Dorian	1685	GER	−2B	F	0.0	2.0	3.0	0.00	1285	-1.6
47	Baumgarten, Nils	0	GER	−3N	F	0.0	2.0	2.5	0.00	1215	0.0
48	Aktepe, Kayra Davut	1681	TUR	−35N	−9B	0.0	1.5	2.5	0.00	985	-28.8
49	Sumin, Mikhail	0	GER	−32B	−11N	0.0	1.5	2.5	0.00	813	0.0
50	Marschall, Andreas	1630	GER	−13B	−10N	0.0	1.5	2.5	0.00	1038	-18.8
51	Mathews, Robin	1542	GER	−36N	−37B	0.0	1.0	2.0	0.00	772	-18.4
52	Anschuetz, Wolfgang	1872	GER	−30N	F	0.0	1.0	2.0	0.00	1127	-16.8
53	Berndt, Axel	2068	GER	−20N	F	0.0	1.0	2.0	0.00	1137	-13.6
54	Scheufele, Daniel	1447	GER	−29N	−15B	0.0	1.0	2.0	0.00	1047	-3.2
55	FIDE 533070253	0	—	−31B	F	0.0	1.0	1.5	0.00	817	0.0
56	Tenbuecken, Stefan	1629	GER	−14N	F	0.0	1.0	1.5	0.00	864	-18.0
57	Krstovic, Marko	1662	GER	−21B	F	0.0	1.0	1.0	0.00	1127	-7.2

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Yilmaz, DenizGER
+32.0
1.0 pts · #8
2Lohberg, DavidGER
+23.2
1.0 pts · #16
3Diepenbrock, Wolfram, Dr.GER
+18.4
1.0 pts · #34

Top rating losers

1Aktepe, Kayra DavutTUR
-28.8
0.0 pts · #43
2Xue, LukaGER
-26.8
1.0 pts · #13
3Marschall, AndreasGER
-18.8
0.0 pts · #55

Biggest upsets

R1+357 Elo gap
Markgraf, Jonas2021 beat IMDe Gleria, Francesco2378
R2+249 Elo gap
Lohberg, David1677 beat Weber, Thomas1926
R1+240 Elo gap
Yilmaz, Deniz1700 beat Xue, Luka1940