33. DSK-Open 2026 Februar 2026

Open SwissStandard

61 players participated in this 2-round tournament, held from 13 Feb 2026 to 27 Feb 2026 in Duesseldorf, Germany. 1 titled players from 5 federations. Top 10 Elo average was 2123, and top seed was Francesco De Gleria (🇩🇪 GER, IM, 2377).

Francesco De Gleria (🇩🇪 GER, IM, 2377) won with 2.0/2, ahead of Tomke Ritzenhoff (2.0) and Jonas Markgraf (2.0). De Gleria shared the lead from round 1, winning on tie-break.

The biggest upset came in round 2: Andreas Marschall (1633) beat Klaus Westenberger (1906), a +273-point gap.

Location

🇩🇪Duesseldorf, Germany

Dates

13 Feb 2026 → 27 Feb 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 Gleria2377

Avg top 10

2,123

Participants

Titled players · 1

IM×1

Federations · 5 represented

🇩🇪Germany×53

🇹🇷Turkiye×2

🇳🇬Nigeria×1

🇵🇱Poland×1

🇺🇦Ukraine×1

Top 3

🥇
IMFrancesco De Gleria
🇩🇪GER·2377
2.0pts·2922perf+3.7
🥈
Tomke Ritzenhoff
🇩🇪GER·1952
2.0pts·2596perf+11.6
🥉
Jonas Markgraf
🇩🇪GER·2040
2.0pts·2872perf+21.6

Grille américaine

#	Player	Elo	Fed	R1	R2	Pts	Bu C1	Bu	SB	Perf	Δ
1	De Gleria, FrancescoIM	2377	GER	+52B	+12N	2.0	1.0	1.0	1.00	2922	+3.7
2	Ritzenhoff, Tomke	1952	GER	+13B	+53N	2.0	1.0	1.0	1.00	2596	+11.6
3	Markgraf, Jonas	2040	GER	+44B	+51B	2.0	0.0	0.0	0.00	2872	+21.6
4	Riabtsev, Ivan	2049	UKR	+45N	+49B	2.0	0.0	0.0	0.00	2571	+7.4
5	Krstovic, Marko	1672	GER	+50B	+48N	2.0	0.0	0.0	0.00	2519	+44.4
6	Markov, German	0	GER	+?B	+44N	2.0	0.0	0.0	0.00	2151	0.0
7	Juegel, Marcel	2113	GER	+46N	+47B	2.0	0.0	0.0	0.00	2801	+7.0
8	Heinke, Marian	1620	GER	=14N	+54B	1.5	1.0	1.0	0.50	1678	+5.6
9	Marschall, Andreas	1633	GER	=35B	+34N	1.5	0.5	1.0	0.75	2065	+44.0
10	Bilau, Max	1824	GER	=36N	+45B	1.5	0.5	0.5	0.25	2450	+5.4
11	Liesendahl, Felix	1984	GER	=37N	+46B	1.5	0.5	0.5	0.25	1653	-7.6
12	Preuschoff, Michael	2139	GER	+51N	−1B	1.0	2.0	2.0	0.00	2195	+2.6
13	Peters, Soeren	1796	GER	−2N	+56B	1.0	2.0	2.0	0.00	1152	-11.6
14	Satheesh, Yazhini	1527	GER	=8B	=15B	1.0	1.5	2.5	1.25	1620	+5.2
15	FIDE 16296834	0	—	=18B	=14N	1.0	1.0	2.0	1.00	1624	0.0
16	Meyer, Stefan	1851	GER	=40N	=17B	1.0	1.0	1.5	0.75	1669	-9.6
17	Mekus, Manuela	1670	GER	=34B	=16N	1.0	1.0	1.5	0.75	1879	+10.8
18	Knaeble, Holger	1721	GER	=15N	=38B	1.0	1.0	1.5	0.75	1596	-6.8
19	Hausleitner, Nick	1798	GER	+39B	−23N	1.0	1.0	1.5	0.50	1835	+2.8
20	Xue, Luka	2016	GER	F	+24B	1.0	1.0	1.0	1.00	2541	+6.8
21	Berndt, Axel	2067	GER	F	+26B	1.0	1.0	1.0	1.00	2646	+4.4
22	Walczewski, Christopher	1927	GER	F	+25B	1.0	1.0	1.0	1.00	2551	+5.4
23	Fichtner, Ewald	2061	GER	F	+19B	1.0	1.0	1.0	1.00	2598	+3.6
24	Irtes, Deniz	1742	TUR	+55B	−20N	1.0	1.0	1.0	0.00	1802	+5.2
25	Cao, Da	1751	POL	+48B	−22N	1.0	1.0	1.0	0.00	1923	+18.0
26	Liu, Xiao-You	1846	GER	+59B	−21N	1.0	1.0	1.0	0.00	1267	-8.8
27	Schwegler, Lorenz	0	GER	+38N	−?B	1.0	0.5	0.5	0.50	1616	0.0
28	FIDE 533063117	0	—	=?B	=39N	1.0	0.5	0.5	0.25	1703	0.0
29	FIDE 533070253	0	—	F	+50N	1.0	0.5	0.5	0.00	1539	0.0
30	Jahn, Thomas	1940	GER	F	+58N	1.0	0.0	0.0	0.00	2547	+5.0
31	Huneke, Markus	1620	GER	F	+55N	1.0	0.0	0.0	0.00	2388	+18.4
32	Scheck, Kyrill	2147	GER	+61B	F	1.0	0.0	0.0	0.00	2721	+4.2
33	Yilmaz, Deniz	1632	GER	F	+60N	1.0	0.0	0.0	0.00	2231	+9.6
34	Westenberger, Klaus	1906	GER	=17N	−9B	0.5	1.5	2.5	0.50	1458	-22.6
35	Autiero, Giovanni	1838	GER	=9N	F	0.5	1.5	2.0	0.75	1631	-10.8
36	Orlov, Mikhail	0	GER	=10B	−?N	0.5	1.5	1.5	0.75	1824	0.0
37	Aktepe, Kayra Davut	1653	TUR	=11B	F	0.5	1.5	1.5	0.75	1984	+15.2
38	Diepenbrock, Wolfram, Dr.	1596	GER	−27B	=18N	0.5	1.0	2.0	0.50	1721	+6.8
39	Tenbuecken, Stefan	1608	GER	−19N	=28B	0.5	1.0	2.0	0.50	998	-10.0
40	Lohberg, David	1668	GER	=16B	F	0.5	1.0	1.5	0.50	1851	+9.6
41	Aizbalts, Martin	1595	GER	F	=42B	0.5	1.0	1.5	0.25	1788	+5.0
42	Reimer, Felix Ryu	1788	GER	F	=41N	0.5	0.5	0.5	0.25	1595	-5.0
43	Puetter, Rudolf	0	GER	−?N	=?B	0.5	0.0	0.0	0.00	1712	0.0
44	Steinkuehler, Guenter	2131	GER	−3N	−6B	0.0	2.0	4.0	0.00	1240	-24.8
45	Satheesh, Dharshini	1651	GER	−4B	−10N	0.0	2.0	3.5	0.00	1137	-14.0
46	EMEKA, Emmanuel Udodi	0	NGR	−7B	−11N	0.0	2.0	3.5	0.00	1249	0.0
47	Krueger, Andre	2001	GER	F	−7N	0.0	2.0	3.0	0.00	1313	-7.0
48	Riesen, Peter	1919	GER	−25N	−5B	0.0	2.0	3.0	0.00	912	-30.6
49	Kostowski, Ireneus, Dr.	1892	GER	F	−4N	0.0	2.0	3.0	0.00	1249	-5.8
50	Mathews, Robin	1519	GER	−5N	−29B	0.0	2.0	3.0	0.00	872	-12.0
51	Weichert, Eddy	2012	GER	−12B	−3N	0.0	2.0	3.0	0.00	1290	-31.6
52	Ciornei, Dragos, Dr.	2104	GER	−1N	F	0.0	2.0	2.0	0.00	1577	-3.4
53	Vorwerg, Nils	0	GER	F	−2B	0.0	2.0	2.0	0.00	1152	0.0
54	Koper, Anna Margarete	1444	GER	F	−8N	0.0	1.5	1.5	0.00	820	-10.8
55	Lietz, Guenter	1588	GER	−24N	−31B	0.0	1.0	2.0	0.00	881	-30.4
56	Hardy Zuniga, Arsenio	0	GER	F	−13N	0.0	1.0	1.0	0.00	996	0.0
57	Lundt, Jens	0	GER	F	−?N	0.0	1.0	1.0	0.00	997	-15.2
58	Biessner, Eberhard	1747	GER	F	−30B	0.0	1.0	1.0	0.00	1140	-5.0
59	Standers, Bruno	0	GER	−26N	−?B	0.0	1.0	1.0	0.00	961	0.0
60	Scheufele, Daniel	1431	GER	F	−33B	0.0	1.0	1.0	0.00	832	-9.6
61	von Stahl, Mark	1921	GER	−32N	F	0.0	1.0	1.0	0.00	1347	-4.2

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Krstovic, MarkoGER
+44.4
2.0 pts · #4
2Marschall, AndreasGER
+44.0
1.5 pts · #6
3Markgraf, JonasGER
+21.6
2.0 pts · #2

Top rating losers

1Weichert, EddyGER
-31.6
0.0 pts · #59
2Riesen, PeterGER
-30.6
0.0 pts · #51
3Lietz, GuenterGER
-30.4
0.0 pts · #50

Biggest upsets

R2+273 Elo gap
Marschall, Andreas1633 beat Westenberger, Klaus1906
R2+247 Elo gap
Krstovic, Marko1672 beat Riesen, Peter1919
R1+168 Elo gap
Cao, Da1751 beat Riesen, Peter1919