8. Dinslakener offene Stadtmeisterschaft im Schach

Open SwissStandard

65 players participated in this 7-round tournament, held from 01 Oct 2025 to 05 Oct 2025 in Dinslaken, Germany. 2 titled players from 3 federations. Top 10 Elo average was 2077, and top seed was Kyrill Scheck (🇩🇪 GER, 2165).

Philipp Sonnenschein (🇩🇪 GER, CM, 2154) won with 6.0/7, ahead of Dragos, Dr. Ciornei (5.5) and Heiko Kummerow (5.5). Sonnenschein shared the lead from round 6 and broke clear in the final round.

The biggest upset came in round 1: Alestiel Bui (1814) beat Heiko Kummerow (FM, 2131), a +317-point gap.

Location

🇩🇪Dinslaken, Germany

Dates

01 Oct 2025 → 05 Oct 2025

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 · 7 rounds

Top seed

🇩🇪Kyrill Scheck2165

Avg top 10

2,077

Participants

Titled players · 2

FM×1

CM×1

Federations · 3 represented

🇩🇪Germany×62

🇦🇫Afghanistan×1

🇮🇳India×1

Top 3

🥇
CMPhilipp Sonnenschein
🇩🇪GER·2154
6.0pts·2252perf+14.8
🥈
Dragos, Dr. Ciornei
🇩🇪GER·2067
5.5pts·2212perf+25.6
🥉
FMHeiko Kummerow
🇩🇪GER·2131
5.5pts·2110perf-1.2

How it unfolded

Top 6 · 7 rounds

CM Philipp Sonnenschein led from R7; +0.5-point edge over the runner-up.

Co-leaders

Sonnenschein6Ciornei5.5Kummerow5.5Grosser5Schmidt5Grewe5

R7 · LEADER CHANGE05 Oct

CM Philipp Sonnenschein takes the sole lead (6.0/7).

WIN STREAKS · 3 top finishers

CM Philipp Sonnenschein 3 wins (R5–R7)Dragos, Dr. Ciornei 4 wins (R1–R4)FM Heiko Kummerow 5 wins (R2–R6)

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1CMPhilipp Sonnenschein	*	—	—	—
2Dragos, Dr. Ciornei	—	*	½	—
3FMHeiko Kummerow	—	½	*	—
4Walter Grosser	—	—	—	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	R6	R7	Pts	Bu C1	Bu	SB	Perf	Δ
1	Sonnenschein, PhilippCM	2154	GER	+14B	=31N	+16B	=9N	+10B	+13N	+4B	6.0	26.0	29.5	25.50	2252	+14.8
2	Ciornei, Dragos, Dr.	2067	GER	+22B	+39N	+15B	+23N	=13B	=12N	=3B	5.5	25.5	28.5	21.50	2212	+25.6
3	Kummerow, HeikoFM	2131	GER	−52N	+35B	+34N	+42B	+24B	+9N	=2N	5.5	22.0	24.0	19.25	2110	-1.2
4	Grewe, Ludger	2095	GER	+46B	+21N	=9B	=5N	+6B	+23B	−1N	5.0	28.0	30.5	19.75	2139	+10.4
5	Schulze-Schwering, Philipp	2007	GER	+29B	=16N	+52B	=4B	=23N	=18N	+15B	5.0	24.0	26.0	17.75	2072	+14.0
6	Grosser, Walter	1961	GER	+30N	=25B	=26N	+17B	−4N	+36B	+13B	5.0	23.5	26.5	18.00	1997	+9.4
7	Schmidt, Boris	2020	GER	+41B	+27N	−23B	+14N	−9B	+43N	+18B	5.0	22.5	25.0	17.00	2050	+15.2
8	Sai Ritvik Arvapalli	1847	IND	+40B	=10N	−13B	+44N	=43B	+19N	+33B	5.0	21.0	23.5	16.00	2013	+52.8
9	Amini, Yusuf	1952	GER	+48B	+63N	=4N	=1B	+7N	−3B	=26N	4.5	27.5	29.0	16.25	2018	+25.6
10	Schmidt, Oliver	1993	GER	+35N	=8B	=25N	+36B	−1N	+34B	=11N	4.5	25.0	28.0	15.50	1950	-5.6
11	Kostowski, Ireneus, Dr.	1866	GER	+64B	=12N	+32B	−13N	+15B	=33N	=10B	4.5	23.5	24.5	14.50	1987	+25.8
12	Muranyi, Erich	2019	GER	+17N	=11B	=43N	+27B	+31N	=2B	F	4.5	23.5	23.5	17.25	2049	+5.8
13	Grosse-Frintrop, Gerd	2080	GER	=34N	+60B	+8N	+11B	=2N	−1B	−6N	4.0	29.0	31.0	15.75	1958	-18.2
14	Klein, Andreas	1801	GER	−1N	+30B	+20N	−7B	=37N	+42B	=28N	4.0	25.0	27.5	13.25	1870	+9.2
15	Unshelm, Jan Erik	1891	GER	+58B	+33N	−2N	+26B	−11N	+25B	−5N	4.0	25.0	27.0	12.00	1916	+13.6
16	Koepping, Jan, Dr.	1810	GER	+59N	=5B	−1N	=37B	−17N	+35B	+38N	4.0	24.0	26.0	12.00	1830	+2.4
17	Undank, Luca	1676	GER	−12B	+47N	+39B	−6N	+16B	−31N	+45B	4.0	22.5	25.0	12.00	1886	+62.4
18	Liesendahl, Felix	1945	GER	+50N	−23N	=44B	+52B	+45N	=5B	−7N	4.0	21.0	23.0	10.75	1921	-1.4
19	Kraus, Johanna	1662	GER	=24N	=34B	=45N	+28B	=42N	−8B	+36N	4.0	20.5	23.0	12.25	1893	+42.6
20	Klueppel, Ralf	0	GER	=42B	=44N	−14B	=29N	+55B	+27N	=24B	4.0	19.5	21.5	11.50	1783	0.0
21	Seifert, Hendrik	1841	GER	+57N	−4B	=37N	+60B	−33N	=38B	+44N	4.0	18.5	20.5	9.50	1833	-2.2
22	Wiese, Thomas	1763	GER	−2N	+62B	F	=63N	=40B	+53N	+43B	4.0	17.5	19.0	8.25	1949	+19.0
23	Scheck, Kyrill	2165	GER	+36N	+18B	+7N	−2B	=5B	−4N	F	3.5	27.5	29.5	14.50	2046	-16.2
24	Greve, Ole	1962	GER	=19B	F	+38N	+25B	−3N	=26B	=20N	3.5	23.5	23.5	12.25	1895	-14.4
25	Meyer, Henry	1814	GER	+47B	=6N	=10B	−24N	+53B	−15N	=37B	3.5	22.5	24.5	10.75	1801	-5.6
26	Razawi, S.Ahmad Fahim	1760	AFG	F	+53N	=6B	−15N	+39B	=24N	=9B	3.5	22.0	22.0	11.50	1924	+26.8
27	Schocke, Mark	1815	GER	+65N	−7B	+49B	−12N	=38N	−20B	+56N	3.5	21.0	21.0	6.00	1754	-7.4
28	Doepke, Frank	1823	GER	−54B	=55N	+41B	−19N	+29B	=37N	=14B	3.5	19.5	21.5	11.00	1742	-22.0
29	Weinert, Daniel	1673	GER	−5N	+59B	−42N	=20B	−28N	+62B	+46N	3.5	19.5	21.0	8.00	1723	+8.8
30	von Renesse, Hans-Konstantin	1646	GER	−6B	−14N	+61B	+47N	=46B	+39N	F	3.5	19.0	19.0	8.75	1757	+19.6
31	Cassel, Silas	1866	GER	+62N	=1B	F	+46N	−12B	+17B	F	3.5	18.5	18.5	11.00	1978	+31.2
32	Yilmaz, Deniz	1709	GER	F	+56B	−11N	−45B	=35N	+49B	+34N	3.5	17.5	17.5	9.00	1746	+9.6
33	Brockhaus, Philip	2036	GER	+38N	−15B	F	=43N	+21B	=11B	−8N	3.0	24.5	27.0	10.50	1839	-30.2
34	Hufnagel, Markus	1785	GER	=13B	=19N	−3B	+55N	+49B	−10N	−32B	3.0	24.0	26.0	8.50	1760	-7.0
35	Althoff, Hannes	1668	GER	−10B	−3N	=40B	+64N	=32B	−16N	+54B	3.0	22.5	23.5	6.25	1651	-10.8
36	Bredendick, Uwe	1801	GER	−23B	+64N	+54B	−10N	+48B	−6N	−19B	3.0	21.5	22.5	5.50	1676	-39.6
37	Kuhle, Heinrich	1728	GER	F	=49N	=21B	=16N	=14B	=28B	=25N	3.0	21.5	21.5	10.75	1778	+16.4
38	Gwardak, Jakob	1746	GER	−33B	+40N	−24B	+54N	=27B	=21N	−16B	3.0	21.0	23.0	8.75	1653	-23.2
39	Zimmermann, Michael	1825	GER	+61N	−2B	−17N	+50B	−26N	−30B	+55N	3.0	21.0	23.0	6.50	1573	-38.8
40	Althoff, Jasper	0	GER	−8N	−38B	=35N	+58B	=22N	=60B	=53B	3.0	19.0	21.0	7.50	1639	0.0
41	Kuznetsov, Aleksey	1720	GER	−7N	−57B	−28N	+61B	=56N	+58B	=42N	3.0	17.0	19.0	6.25	1714	-4.0
42	Kuhn, Andreas	1850	GER	=20N	F	+29B	−3N	=19B	−14N	=41B	2.5	24.0	24.0	9.00	1726	-17.6
43	Alugili, Yosef	1844	GER	F	+54N	=12B	=33B	=8N	−7B	−22N	2.5	23.5	23.5	8.25	1788	-16.0
44	Chaganti, Prahasith Reddy	1714	GER	F	=20B	=18N	−8B	=60N	+48N	−21B	2.5	21.5	21.5	7.50	1711	-2.0
45	Ponto, Michael	1833	GER	−63B	+48N	=19B	+32N	−18B	F	−17N	2.5	20.0	21.5	8.00	1720	-14.8
46	Blobel, Tobias	1790	GER	−4N	+50B	+57N	−31B	=30N	F	−29B	2.5	20.0	20.0	6.25	1612	-48.0
47	Pelzer, Martin	0	GER	−25N	−17B	+62N	−30B	+50N	−56B	=48B	2.5	18.0	19.5	5.25	1571	0.0
48	Emekli, Gabriel	1608	GER	−9N	−45B	+59N	+56B	−36N	−44B	=47N	2.5	17.0	19.0	5.25	1025	-38.0
49	Schlenkert, Ralf	1577	GER	F	=37B	−27N	+57B	−34N	−32N	+59B	2.5	17.0	17.0	5.50	1437	-11.0
50	Li, Alice Shiqian	1516	GER	−18B	−46N	+65B	−39N	−47B	=54N	+62B	2.5	15.5	15.5	2.50	1567	+3.6
51	Rosenberg, Thomas	1899	GER	F	F	+64B	=53N	F	+63N	F	2.5	4.5	4.5	3.50	1749	-5.4
52	Bui, Alestiel	1814	GER	+3B	F	−5N	−18N	+63B	F	F	2.0	22.0	22.0	7.00	1902	+6.0
53	Satheesh, Dharshini	1610	GER	F	−26B	+58N	=51B	−25N	−22B	=40N	2.0	18.5	18.5	4.75	1601	-5.2
54	Katrich, Serhii	0	GER	+28N	−43B	−36N	−38B	=62N	=50B	−35N	2.0	17.5	19.0	5.50	1543	0.0
55	Zhao, Qixiang	1522	GER	F	=28B	=56N	−34B	−20N	+57N	−39B	2.0	17.5	17.5	4.75	1538	+1.2
56	Satheesh, Yazhini	0	GER	F	−32N	=55B	−48N	=41B	+47N	−27B	2.0	17.0	17.0	5.00	1435	0.0
57	Brandt, Mark-Andre	0	GER	−21B	+41N	−46B	−49N	−58N	−55B	+65B	2.0	16.0	16.0	3.00	1387	0.0
58	Arnoldi, Ekkehard	1510	GER	−15N	F	−53B	−40N	+57B	−41N	+63B	2.0	15.5	15.5	3.50	940	-13.6
59	Teskera, Alvin	0	GER	−16B	−29N	−48B	F	+61N	+64B	−49N	2.0	15.5	15.5	3.00	1378	0.0
60	Piria, Jeff	1675	GER	F	−13N	+63B	−21N	=44B	=40N	F	2.0	15.0	15.0	4.25	1604	-12.4
61	Kapan, Mikail	0	GER	−39B	F	−30N	−41N	−59B	+65N	+64B	2.0	12.5	12.5	1.00	1459	0.0
62	Kuznetsova, Sofia	1504	GER	−31B	−22N	−47B	+65N	=54B	−29N	−50N	1.5	18.0	18.0	1.00	907	-41.2
63	Hryshakov, Yehor	0	GER	+45N	−9B	−60N	=22B	−52N	−51B	−58N	1.5	17.5	19.5	4.50	1548	0.0
64	Malessa, Uwe	1417	GER	−11N	−36B	−51N	−35B	+65B	−59N	−61N	1.0	17.0	17.0	0.00	976	-17.6
65	FIDE 533018693	0	—	−27B	F	−50N	−62B	−64N	−61B	−57N	0.0	12.5	12.5	0.00	764	0.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Undank, LucaGER
+62.4
4.0 pts · #30
2Sai Ritvik ArvapalliIND
+52.8
5.0 pts · #14
3Kraus, JohannaGER
+42.6
4.0 pts · #13

Top rating losers

1Blobel, TobiasGER
-48.0
2.5 pts · #46
2Kuznetsova, SofiaGER
-41.2
1.5 pts · #62
3Bredendick, UweGER
-39.6
3.0 pts · #37

Biggest upsets

R1+317 Elo gap
Bui, Alestiel1814 beat FMKummerow, Heiko2131
R7+189 Elo gap
Sai Ritvik Arvapalli1847 beat Brockhaus, Philip2036
R6+179 Elo gap
von Renesse, Hans-Konstantin1646 beat Zimmermann, Michael1825