9. Bayer Sommeropen 2025

SwissStandard

124 players participated in this 5-round tournament, held from 15 Aug 2025 to 17 Aug 2025 in Leverkusen, Germany. 7 titled players from 4 federations. Top 10 Elo average was 2242, and top seed was Mykola Korchynskyi (🇩🇪 GER, FM, 2359).

Mykola Korchynskyi (🇩🇪 GER, FM, 2359) won with 4.5/5, ahead of Peter Rechmann (4.0) and Jonas Schwibbert (4.0). Korchynskyi broke clear in the final round.

The biggest upset came in round 1: Dennis Kagan (2002) beat Michael Coenen (FM, 2314), a +312-point gap.

Location

🇩🇪Leverkusen, Germany

Dates

15 Aug 2025 → 17 Aug 2025

Time control

Standard: 90 minutes with 30 second increment from move 1

System

Swiss · 5 rounds

Top seed

🇩🇪FMMykola Korchynskyi2359

Avg top 10

2,242

Participants

124

Titled players · 7

FM×5

CM×2

Federations · 4 represented

🇩🇪Germany×119

🇧🇪Belgium×2

🇳🇱Netherlands×1

🇮🇳India×1

Top 3

🥇
FMMykola Korchynskyi
🇩🇪GER·2359
4.5pts·2472perf+9.2
🥈
FMPeter Rechmann
🇩🇪GER·2174
4.0pts·2389perf+27.6
🥉
Jonas Schwibbert
🇩🇪GER·2153
4.0pts·2292perf+18.4

How it unfolded

Top 6 · 5 rounds

FM Mykola Korchynskyi led from R5; +0.5-point edge over the runner-up. Title race converged from 6 co-leaders at R4 to 1 by R5.

Co-leaders

Korchynskyi4.5Schwibbert4Rechmann4Asadzade4Ramien4Neumair4

R5–R5 · LEAD HELD

FM Mykola Korchynskyi held the sole lead from R5 through R5 without losing it.

WIN STREAKS · 2 top finishers

FM Mykola Korchynskyi 3 wins (R1–R3)FM Peter Rechmann 3 wins (R1–R3)

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1FMMykola Korchynskyi	*	—	½	—
2Jonas Schwibbert	—	*	—	½
3FMPeter Rechmann	½	—	*	—
4Idris Asadzade	—	½	—	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	Pts	Bu C1	Bu	SB	Perf	Δ
1	Korchynskyi, MykolaFM	2359	GER	+49B	+12N	+4B	=2N	+13B	4.5	15.0	17.5	15.50	2472	+9.2
2	Rechmann, PeterFM	2174	GER	+113B	+21N	+14B	=1B	=5N	4.0	15.5	16.5	12.25	2389	+27.6
3	Schwibbert, Jonas	2153	GER	+25B	=13N	+63B	+9N	=6B	4.0	14.0	16.0	12.25	2292	+18.4
4	Riemland, Arnold	2124	GER	+54B	+7N	−1N	+88B	+34N	4.0	14.0	15.5	11.00	2178	+6.0
5	Ramien, David	2233	GER	+89N	=11B	+33N	+42B	=2B	4.0	13.0	14.5	10.75	2195	-2.0
6	Asadzade, Idris	2233	GER	+117B	+60N	=9B	+34B	=3N	4.0	13.0	13.5	9.75	2289	+5.8
7	Neumair, Jerome	2077	GER	+24N	−4B	+41N	+67B	+28N	4.0	12.5	14.5	10.50	2086	+2.8
8	Coenen, MichaelFM	2314	GER	−11N	+50B	+30N	+86B	+22N	4.0	12.0	13.5	10.00	2130	-6.2
9	Maenken, MerlinCM	2157	GER	+35N	+22B	=6N	−3B	+55N	3.5	14.0	16.5	10.50	2168	+4.5
10	Menzel, Maximilian	2208	GER	=20N	=15B	+24N	+29B	=17N	3.5	13.5	16.5	11.25	2018	-18.0
11	Kagan, Dennis	2002	GER	+8B	=5N	=26N	+64B	=58N	3.5	13.5	15.5	10.75	2288	+30.0
12	Kiese, Matthias, Prof. Dr.CM	2077	GER	+59B	−1B	=17N	+73N	+37B	3.5	13.5	15.5	9.25	2092	+3.8
13	Sheng, Ming	2123	GER	+50N	=3B	+86N	+51B	−1N	3.5	13.5	15.0	8.50	2209	+25.2
14	Prieb, RobertFM	2290	GER	=23N	+20B	−2N	+48B	+74N	3.5	13.0	15.0	9.50	2117	-30.8
15	Kuehn, Viktoria	1931	GER	=16B	=10N	+70B	=27N	+43B	3.5	12.5	14.5	9.50	2029	+10.0
16	Breitkopf-Lazar, Patrick-Robert	2218	GER	=15N	+23B	F	+31N	+25B	3.5	12.5	12.5	10.75	2254	+4.8
17	Ye, Philipp	1888	GER	=62N	+48B	=12B	+45N	=10B	3.5	12.0	14.0	9.50	2044	+20.4
18	Juegel, Marcel	2153	GER	−22N	+36B	=19N	+92B	+41N	3.5	12.0	13.5	8.75	2017	-13.8
19	Atar, Efecan	1875	GER	=51N	=68B	=18B	+87N	+42N	3.5	10.5	12.0	8.00	2140	+33.6
20	Feldhammer, Oskar	1710	GER	=10B	−14N	+107B	+85N	+94N	3.5	10.0	11.0	5.75	1993	+66.4
21	Esser, Julian	1939	GER	+68N	−2B	+62N	=94B	+106N	3.5	9.5	10.5	5.75	2013	+12.0
22	Weidert, Florian	1920	BEL	+18B	−9N	+45B	+70N	−8B	3.0	13.5	15.5	8.00	2047	+16.2
23	Kerz, Markus	1995	GER	=14B	−16N	+28B	+90N	=27B	3.0	13.0	14.5	7.75	1963	-2.2
24	Sutharjan, Dakxwin	1904	GER	−7B	+31N	−10B	+75N	+65B	3.0	12.5	14.5	7.00	1947	+12.8
25	Scharff, Klaus	1928	GER	−3N	+29B	+64N	+78B	−16N	3.0	12.5	14.5	7.00	1942	+3.8
26	Panjer, SidneyFM	2197	GER	+52B	=32N	=11B	F	+33N	3.0	12.0	14.0	8.75	2172	-1.6
27	Yildiran, Sinan	1684	GER	−44N	+96B	+36N	=15B	=23N	3.0	12.0	13.5	7.75	1909	+44.8
28	Boeckmann, Leon Hannes	0	GER	+87B	+72B	−23N	+38N	−7B	3.0	12.0	13.5	6.50	1895	0.0
29	Trevisan, Florian	1812	GER	+69B	−25N	+57B	−10N	+66B	3.0	11.0	13.0	6.50	1848	+9.2
30	Rohde, Ricky	0	BEL	−32N	+85B	−8B	+72N	+80N	3.0	11.0	12.5	5.50	1895	0.0
31	Lambertz, Walter	1809	GER	+65N	−24B	+47N	−16B	+109N	3.0	11.0	12.0	5.50	1826	+0.8
32	di Franco, Patricio	2071	GER	+30B	=26B	F	=46N	+56N	3.0	11.0	11.0	8.25	2062	+0.6
33	Freiknecht, Holger	1879	GER	+76B	+117N	−5B	+100N	−26B	3.0	10.5	11.0	4.00	2038	+14.2
34	Szemenyei, Peter	0	GER	+118B	+95N	+113B	−6N	−4B	3.0	10.5	11.0	3.00	2002	0.0
35	Henseler, Klaus	1926	GER	−9B	−63N	+66B	+47B	+67N	3.0	10.0	12.0	6.50	1815	-10.6
36	Asadzade, Muhammed	1895	GER	+93B	−18N	−27B	+101N	+64B	3.0	10.0	11.5	5.00	1848	-10.0
37	Tonev, Vasil	1843	GER	−111N	+106B	+65N	+97B	−12N	3.0	8.0	9.0	4.50	1790	-5.4
38	Botvinnik, Alexey	1849	GER	=73N	=112B	+110N	−28B	+71N	3.0	8.0	9.0	4.50	1856	+1.0
39	Enke, Nils	1800	GER	=112N	−62B	+103N	+91B	=60N	3.0	7.5	8.5	4.75	1823	+2.8
40	Freiknecht, Axel	1798	GER	−85N	=91B	+79N	=68B	+97N	3.0	7.0	8.5	5.25	1737	-7.6
41	Berndt, Michael, Dr.	1849	GER	+77N	=89B	−7B	+57N	−18B	2.5	12.0	13.5	5.25	1878	+4.2
42	Filippov, Vadim	0	GER	+109B	+83N	=59B	−5N	−19B	2.5	12.0	13.0	4.25	1839	0.0
43	Jena, Aakarshan	0	GER	=61B	−53N	+120N	+44B	−15N	2.5	11.0	11.5	4.25	1650	0.0
44	Thiele, Hanjo	1815	GER	+27B	−54N	=53B	−43N	+87B	2.5	10.5	12.0	5.75	1826	+1.2
45	Kunz, Nils	1624	GER	+79N	+80B	−22N	−17B	=86N	2.5	10.5	12.0	4.75	1739	+19.6
46	Sai Ritvik Arvapalli	1770	IND	+72N	+56B	−51N	=32B	−81N	2.5	10.0	12.0	6.00	1922	+31.9
47	Filippov, Levi	0	GER	+66B	=69N	−31B	−35N	+90B	2.5	10.0	11.5	4.50	1729	0.0
48	Goebel, Dominik	1807	GER	=90B	−17N	+102B	−14N	+98B	2.5	10.0	11.5	3.75	1731	-20.4
49	Gruenhagen, Marc, Dr.	2032	GER	−1N	=74B	+111N	=62B	=88N	2.5	10.0	11.0	3.75	1891	-17.6
50	Kock, Sebastian, Dr.	1900	GER	−13B	−8N	=87B	+119N	+110B	2.5	10.0	10.5	2.25	1913	+0.8
51	Germund, Marlon	2076	GER	=19B	+81N	+46B	−13N	—	2.5	9.5	11.5	6.25	2028	-4.2
52	Blomer, Moritz	1965	GER	−26N	+55B	=88N	F	+53B	2.5	9.5	10.5	5.75	1934	-2.8
53	Kuehn, Nicole	1581	GER	=108N	+43B	=44N	=74B	−52N	2.5	9.5	10.5	5.25	1763	+22.4
54	Wolter, Dennis	0	GER	−4N	+44B	=67N	+61B	—	2.5	9.0	11.0	6.00	1833	0.0
55	Schulte zu Sodingen, Matthias	1862	GER	+95B	−52N	=85B	+98N	−9B	2.5	9.0	10.5	3.75	1804	-13.6
56	Ebert, Wolf	1844	GER	=88B	−46N	+109B	+82N	−32B	2.5	9.0	10.0	3.75	1685	-16.8
57	Krugmann, Alexander	1490	GER	=75N	+121B	−29N	−41B	+92N	2.5	9.0	9.5	3.00	1742	+59.6
58	Weber, Philipp	0	GER	F	−64B	+71N	+99N	=11B	2.5	9.0	9.0	5.25	1783	0.0
59	Birnkott, Manfred	1918	GER	−12N	+111B	=42N	F	+77B	2.5	9.0	9.0	4.25	1969	+4.2
60	Tochtenhagen, Wolfgang	2088	GER	+124N	−6B	F	+69N	=39B	2.5	9.0	9.0	3.50	2004	-6.0
61	Kowalski, Hans-Ludwig	1619	GER	=43N	=108B	=117B	−54N	+93B	2.5	7.5	8.0	3.50	2083	+22.6
62	Rausch, Linus	1760	GER	=17B	+39N	−21B	=49N	F	2.0	12.5	14.0	6.00	1915	+15.8
63	Metin, Altug	1819	GER	+104N	+35B	−3N	F	F	2.0	12.0	13.5	4.50	2048	+17.0
64	Heider, Reimar	1634	GER	+98B	+58N	−25B	−11N	−36N	2.0	12.0	13.5	4.00	1643	-3.6
65	Breuer, Achim	1661	GER	−31B	+71N	−37B	+102N	−24N	2.0	11.0	12.5	3.50	1594	-7.0
66	Jeuken, Thomas	1589	GER	−47N	+84B	−35N	+111B	−29N	2.0	10.5	11.5	3.00	1700	+7.2
67	Chaganti, Prahasith Reddy	1692	GER	=122N	+114B	=54B	−7N	−35B	2.0	10.5	11.0	2.50	1822	+21.2
68	Engel, Bruno	2192	GER	−21B	=19N	+93B	=40N	—	2.0	10.0	11.5	4.75	1852	-60.8
69	Haslak, Battal	1666	GER	−29N	=47B	+96N	−60B	=84N	2.0	10.0	11.5	3.75	1139	-15.2
70	Langensiepen, Burkhard, Dr.	1627	GER	+123N	+104B	−15N	−22B	F	2.0	10.0	10.0	1.50	1765	+26.0
71	Dietrich, Markus	1592	GER	+82N	−65B	−58B	+114N	−38B	2.0	9.5	10.5	3.00	1649	+7.6
72	Maniura, Jascha	1657	GER	−46B	−28N	+115B	−30B	+118N	2.0	9.5	10.0	1.50	970	-14.0
73	Reuter, Florian	1708	GER	=38B	=99N	F	−12B	+96N	2.0	9.5	9.5	3.75	1791	+9.6
74	Bartsch, Jan	1885	GER	+107B	=49N	F	=53N	−14B	2.0	9.5	9.5	3.50	1916	+2.0
75	Schueers, Christian	1622	GER	=57B	−97N	=83B	−24B	+107N	2.0	9.0	10.0	3.25	1590	-5.4
76	Milz, Ulrich	1739	GER	−33N	+78B	F	F	+91N	2.0	8.5	8.5	3.50	1794	+4.6
77	Roder, Stephan	1717	GER	−41B	+90N	−89N	+108B	−59N	2.0	8.0	9.0	2.50	1651	-7.0
78	Mao, Yuke	1531	GER	+102B	−76N	F	−25N	+99B	2.0	8.0	8.5	3.00	1704	+21.2
79	Steffens, Markus	0	GER	−45B	+118N	−40B	+107N	F	2.0	8.0	8.5	1.50	1604	0.0
80	Hoferichter, Michael	1683	GER	−86B	−45N	+119B	+116N	−30B	2.0	8.0	8.5	1.50	1558	-10.2
81	Boehm, Stefan, Dr.	1962	GER	F	−51B	+112N	F	+46B	2.0	8.0	8.0	3.50	1986	+2.6
82	Klees, Verena	0	GER	−71B	=119N	+105N	−56B	=104N	2.0	7.5	8.0	2.50	1492	0.0
83	Voelker, Werner	1640	GER	−92N	−42B	=75N	=118B	+108N	2.0	7.0	7.5	2.25	1519	-6.4
84	Rezk, Ferris	0	GER	−106N	−66N	=101B	+123N	=69B	2.0	6.5	6.5	1.75	1527	0.0
85	Bracher, Lucas	1648	GER	+40B	−30N	=55N	−20B	F	1.5	12.0	12.5	4.25	1790	+22.4
86	Koch, Kian	1812	GER	+80N	F	−13B	−8N	=45B	1.5	12.0	12.0	3.25	1824	-5.2
87	van de Linde, Holger	0	GER	−28N	+105B	=50N	−19B	−44N	1.5	11.5	13.0	2.75	1590	0.0
88	Erkelenz, Fynn	1716	GER	=56N	F	=52B	−4N	=49B	1.5	11.5	12.0	3.75	1902	+30.8
89	Lambertz, Michael	1951	GER	−5B	=41N	+77B	F	F	1.5	10.5	11.5	3.25	1933	-1.8
90	Klees, Robert	1657	GER	=48N	−77B	+108N	−23B	−47N	1.5	10.0	11.0	2.25	1566	-6.8
91	Ferfers, Ralph	1596	GER	+105B	=40N	−99B	−39N	−76B	1.5	9.5	11.0	3.00	1468	-20.4
92	Urra, Michelle	1801	GER	+83B	−113N	=100B	−18N	−57B	1.5	9.5	10.5	2.75	1608	-40.8
93	Depping, Thomas	1796	GER	−36N	+94B	−68N	=103B	−61N	1.5	9.0	10.5	2.25	1624	-48.8
94	Huettner, Moritz	1587	GER	+120B	−93N	F	=21N	−20B	1.5	9.0	9.0	2.25	1542	-6.8
95	Nerowski, Bernhard	1729	GER	−55N	−34B	F	=96B	+103N	1.5	8.5	9.0	2.25	1717	-1.2
96	Blomer, Theodor	0	GER	+119B	−27N	−69B	=95N	−73B	1.5	8.5	9.0	1.25	1531	0.0
97	Krenzel, Christoph	1510	GER	=121N	+75B	F	−37N	−40B	1.5	8.5	8.5	2.25	1636	+21.2
98	Siegler, Stefan	1520	GER	−64N	+116B	=114N	−55B	−48N	1.5	8.0	9.0	1.50	1457	-10.8
99	Granz, Thomas	1821	GER	F	=73B	+91N	−58B	−78N	1.5	8.0	8.0	2.50	1612	-15.4
100	Devine, Sean	0	GER	F	+101B	=92N	−33B	F	1.5	8.0	8.0	2.25	1765	0.0
101	Arnolds, Klaus	1614	GER	=115B	−100N	=84N	−36B	=114B	1.5	7.5	8.5	2.00	1661	+4.0
102	Dargel, Jaron	0	GER	−78N	+123B	−48N	−65B	=115N	1.5	7.5	7.5	0.50	1437	0.0
103	Liu, Mio Runhan	1571	GER	+116B	−107N	−39B	=93N	−95B	1.5	7.0	8.0	1.75	1450	-18.8
104	Stutt, Jonas	1689	GER	−63B	−70N	F	+115N	=82B	1.5	7.0	7.0	2.00	923	-36.4
105	Klaska, Hanna Sophie	0	GER	−91N	−87N	−82B	=120B	+123N	1.5	5.5	5.5	0.25	1558	0.0
106	Esser, Daniel	1605	GER	+84B	−37N	F	F	−21B	1.0	10.0	10.0	2.00	1091	-12.8
107	Gail, Edgar	1764	GER	−74N	+103B	−20N	−79B	−75B	1.0	9.5	11.0	1.50	1504	-27.2
108	Kayacik, Fatih	0	GER	=53B	=61N	−90B	−77N	−83B	1.0	9.0	10.5	2.50	1403	0.0
109	Li, Alice Shiqian	1528	GER	−42N	+120B	−56N	F	−31B	1.0	9.0	9.5	0.50	1027	-12.4
110	Hoffmann, Marina	1615	GER	F	+115N	−38B	F	−50N	1.0	9.0	9.0	1.00	1075	-14.8
111	Bassenhoff, Aljoscha	1737	GER	+37B	−59N	−49B	−66N	—	1.0	8.0	10.0	3.00	1653	-18.8
112	Teng, David	1737	GER	=39B	=38N	−81B	F	—	1.0	8.0	9.0	3.00	1746	+0.8
113	Mazaheri Tehrani, Mehrdad	1921	GER	−2N	+92B	−34N	—	—	1.0	7.0	8.5	1.50	1988	+6.0
114	Diaubalick, Ulrich	1812	GER	F	−67N	=98B	−71B	=101N	1.0	7.0	7.0	1.50	1412	-41.0
115	Schneider, Heinz-Guenter	0	GER	=101N	−110B	−72N	−104B	=102B	1.0	6.5	7.5	1.50	1322	0.0
116	Sanguri, Mihit	0	GER	−103N	−98N	+123B	−80B	—	1.0	5.0	5.0	0.00	1381	0.0
117	Wulfken, Christof	1984	GER	−6N	−33B	=61N	F	F	0.5	11.0	11.5	1.25	1637	-24.6
118	FIDE 533046158	0	—	−34N	−79B	F	=83N	−72B	0.5	9.0	9.0	1.00	1456	0.0
119	Leferink, Toine	1614	NED	−96N	=82B	−80N	−50B	—	0.5	6.5	8.0	1.00	992	-11.2
120	Sharma, Vaishnevi	0	GER	−94N	−109N	−43B	=105N	—	0.5	5.5	6.5	0.75	759	0.0
121	Pohlmann, Marco	1627	GER	=97B	−57N	F	F	—	0.5	5.5	6.0	0.75	1307	-33.6
122	Bill, Oliver	1821	GER	=67B	F	F	—	—	0.5	4.0	5.5	1.00	1693	-6.8
123	Jakob, Gudrun	1519	GER	−70B	−102N	−116N	−84B	−105B	0.0	7.0	8.0	0.00	827	-14.0
124	Boschek, Hans-Joachim, Dr.	1915	GER	−60B	F	F	—	—	0.0	4.0	5.5	0.00	1288	-5.4

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Feldhammer, OskarGER
+66.4
3.5 pts · #8
2Krugmann, AlexanderGER
+59.6
2.5 pts · #34
3Yildiran, SinanGER
+44.8
3.0 pts · #55

Top rating losers

1Engel, BrunoGER
-60.8
2.0 pts · #52
2Depping, ThomasGER
-48.8
1.5 pts · #63
3Diaubalick, UlrichGER
-41.0
1.0 pts · #86

Biggest upsets

R1+312 Elo gap
Kagan, Dennis2002 beat FMCoenen, Michael2314
R5+311 Elo gap
Krugmann, Alexander1490 beat Urra, Michelle1801
R5+290 Elo gap
Mao, Yuke1531 beat Granz, Thomas1821