Bergheimer Winter-Open 2025

Open SwissStandard

68 players participated in this 7-round tournament, held from 27 Dec 2025 to 30 Dec 2025 in Bergheim-Oberaussem, Germany. 1 titled players from 4 federations. Top 10 Elo average was 2113, and top seed was Veaceslav Cofmann (🇩🇪 GER, FM, 2261).

Marlon Germund (🇩🇪 GER, 2053) won with 6.0/7, ahead of Igor Vlasov (5.5) and John Cornelisse (5.5). Germund shared the lead from round 5 and won solo starting round 6.

The biggest upset came in round 1: Christian Schueers (1617) beat Joshua Freitag (1962), a +345-point gap.

Location

🇩🇪Bergheim-Oberaussem, Germany

Dates

27 Dec 2025 → 30 Dec 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

🇩🇪FMVeaceslav Cofmann2261

Avg top 10

2,113

Participants

Titled players · 1

FM×1

Federations · 4 represented

🇩🇪Germany×65

🇳🇱Netherlands×1

🇺🇦Ukraine×1

🇵🇪Peru×1

Top 3

🥇
Marlon Germund
🇩🇪GER·2053
6.0pts·2318perf+43.8
🥈
Igor Vlasov
🇩🇪GER·2196
5.5pts·2224perf+7.8
🥉
John Cornelisse
🇳🇱NED·2155
5.5pts·2202perf+9.2

How it unfolded

Top 6 · 7 rounds

Marlon Germund led from R6; +0.5-point edge over the runner-up.

Co-leaders

Germund6Vlasov5.5Pick5.5Cornelisse5.5Tochtenhagen5.5Bien5

R6 · LEADER CHANGE29 Dec

Marlon Germund takes the sole lead (5.5/6).

R4 · HEAD-TO-HEAD · WINNER VS 2ND

Marlon Germund drew with Igor Vlasov (Black).

WIN STREAKS · 3 top finishers

Marlon Germund 3 wins (R1–R3)Igor Vlasov 3 wins (R1–R3)Max Pick 4 wins (R1–R4)

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1Marlon Germund	*	½	—	1
2Igor Vlasov	½	*	—	—
3Max Pick	—	—	*	—
4John Cornelisse	0	—	—	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	R6	R7	Pts	Bu C1	Bu	SB	Perf	Δ
1	Germund, Marlon	2053	GER	+48N	+20B	+17N	=2N	+3B	+10B	=4N	6.0	29.0	31.5	26.00	2318	+43.8
2	Vlasov, Igor	2196	GER	+68N	+27B	+19N	=1B	=6N	=11B	+10N	5.5	27.5	27.5	19.75	2224	+7.8
3	Cornelisse, John	2155	NED	+31N	+30B	+23N	=10B	−1N	+27B	+11N	5.5	26.0	29.5	21.25	2202	+9.2
4	Tochtenhagen, Wolfgang	2082	GER	+45N	=12B	=18N	+36B	+21N	+25B	=1B	5.5	26.0	29.0	21.75	2144	+10.4
5	Pick, Max	1958	GER	+66N	+56B	+11N	+13B	−10N	=6B	+19N	5.5	24.5	25.0	18.00	2154	+36.0
6	Schwibbert, Jonas	2167	GER	+38B	=34N	+15B	+7N	=2B	=5N	=23B	5.0	28.0	31.5	22.25	2170	+2.6
7	Evers, Leo	2066	GER	+24B	=22N	+28B	−6B	=18N	+16B	+17N	5.0	25.5	29.0	20.00	2025	-5.0
8	Bien, Stefan	2016	GER	+50N	=18B	=12N	+20B	=27N	=17B	+21N	5.0	24.0	26.5	18.50	2012	+0.6
9	Wenzke, Elias	1992	GER	+35N	−17B	+31N	=18B	+28N	=13B	+20N	5.0	23.5	27.0	18.75	1953	-4.4
10	Cofmann, VeaceslavFM	2261	GER	+32B	+21N	+14B	=3N	+5B	−1N	−2B	4.5	31.0	34.5	20.25	2123	-19.6
11	Tupac Yupanqui Herrera, Daniel	1959	PER	+26B	+39N	−5B	+37N	+12B	=2N	−3B	4.5	28.5	32.0	18.25	2044	+16.6
12	Kemp, Lutz	1859	GER	+47N	=4N	=8B	+40B	−11N	+29B	=13N	4.5	26.0	28.5	16.50	1950	+16.4
13	Hess, Christian	2135	GER	=53B	+57N	+34B	−5N	+22B	=9N	=12B	4.5	25.0	27.0	15.50	1884	-30.0
14	Biedekoepper, Robert	1976	GER	+40N	+43B	−10N	=17B	−16N	+28B	+18N	4.5	23.5	26.5	15.50	1926	-6.4
15	Arns, Danny	1933	GER	+29N	+49B	−6N	=16B	−17N	+50B	+30N	4.5	23.0	25.5	14.25	1895	-3.8
16	Alnafkhosh, Nashaat	1834	GER	=57B	=53N	+41B	=15N	+14B	−7N	+27N	4.5	23.0	25.0	15.50	2003	+45.2
17	Kuhn, Andreas	1840	GER	+41B	+9N	−1B	=14N	+15B	=8N	−7B	4.0	30.0	33.0	17.25	2006	+26.0
18	Houben, Maximilian	1854	GER	+52B	=8N	=4B	=9N	=7B	+47N	−14B	4.0	27.5	30.0	15.25	1954	+25.6
19	Voss, Bela	1750	GER	+67B	+37N	−2B	−33N	+26B	+40N	−5B	4.0	25.0	25.5	11.00	1869	+40.8
20	Lampe, Timon	1822	GER	+58B	−1N	+51B	−8N	+48B	+42N	−9B	4.0	24.0	26.0	10.00	1748	-16.0
21	Liesendahl, Felix	1949	GER	+65N	−10B	+48N	+43B	−4B	+33N	−8B	4.0	24.0	25.0	10.00	1934	-0.4
22	Potrafke, Lukas	1863	GER	+54N	=7B	−36N	+44B	−13N	=35B	+40N	4.0	22.5	25.0	12.75	1869	-0.4
23	Lambertz, Michael	1939	GER	+64B	+51N	−3B	=32N	F	+36B	=6N	4.0	22.5	23.5	11.25	2005	+10.6
24	Chaganti, Prahasith Reddy	1842	GER	−7N	+61B	−27N	+49B	=30N	+43B	=25N	4.0	21.5	23.5	11.25	1859	+3.2
25	Jonas, Rainer	1951	GER	−51B	+64N	+45B	=53N	+32B	−4N	=24B	4.0	21.0	22.0	10.75	1919	-2.8
26	Feig, Frank	1734	GER	−11N	−47B	+55N	+54B	−19N	+59B	+42N	4.0	18.5	20.5	9.50	1055	-28.0
27	Weirauch, Kevin	1923	GER	+55B	−2N	+24B	+62N	=8B	−3N	−16B	3.5	26.5	28.5	10.50	1900	-5.2
28	Engering, Lukas	0	GER	+42N	=36B	−7N	+34N	−9B	−14N	+52B	3.5	24.5	27.0	10.75	1686	0.0
29	Mirmoini, Arwin	1537	GER	−15B	−33N	+58B	+39N	+38B	−12N	=37B	3.5	23.0	25.0	10.75	1781	+64.0
30	Cheng, Noah	1913	GER	+60B	−3N	−62B	+56N	=24B	+32N	−15B	3.5	21.5	23.5	9.50	1779	-43.2
31	Gronloh, Dieter	1755	GER	−3B	+55N	−9B	+41N	−42B	=52N	+48B	3.5	21.5	23.5	8.75	1825	+6.0
32	Freiknecht, Axel	1770	GER	−10N	+65B	+42N	=23B	−25N	−30B	+49N	3.5	21.5	22.5	8.50	1734	-6.0
33	Lennartz, Tim	1776	GER	−49N	+29B	+47N	+19B	−36N	−21B	=35N	3.5	21.0	23.5	11.75	1809	+3.4
34	Reichert, Uwe	0	GER	+44N	=6B	−13N	−28B	F	+56N	+50B	3.5	21.0	23.0	10.00	1933	0.0
35	Kirch, Andreas	0	GER	−9B	−41N	+60B	+59N	=37B	=22N	=33B	3.5	21.0	23.0	9.50	1778	0.0
36	Annak, Ulas	1998	GER	+62B	=28N	+22B	−4N	+33B	−23N	—	3.5	20.5	22.5	11.25	1943	-5.4
37	Potap, Leon	1833	GER	+63N	−19B	+56N	−11B	=35N	=46B	=29N	3.5	20.5	21.5	8.00	1693	-35.2
38	Bauchmueller, Franz-Josef	1770	GER	−6N	=44B	+49N	=46B	−29N	+55B	=47B	3.5	19.5	21.5	8.75	1616	-12.4
39	Freiknecht, Holger	1865	GER	+61N	−11B	−40N	−29B	=52N	+63B	+51N	3.5	18.0	19.0	6.75	907	-40.8
40	Leopold, Patrick	1626	GER	−14B	+59N	+39B	−12N	+43N	−19B	−22B	3.0	23.5	25.5	8.50	1726	+13.4
41	Bernartz, Kimberly	0	GER	−17N	+35B	−16N	−31B	=51N	=54B	+55N	3.0	20.5	22.5	8.00	1010	0.0
42	Klug, Thomas Sebastian	0	GER	−28B	+67N	−32B	+61N	+31N	−20B	−26B	3.0	20.5	21.0	6.00	1675	0.0
43	Boeckmann, Leon Hannes	1802	GER	+59B	−14N	+63B	−21N	−40B	−24N	+60B	3.0	19.5	20.5	5.00	1048	-69.6
44	Aretz-Yu, Alan	0	GER	−34B	=38N	+52B	−22N	−50N	=45B	+59N	3.0	19.0	21.0	7.75	1583	0.0
45	Rick, Vladimir	1737	GER	−4B	+60N	−25N	−47B	=58B	=44N	+57B	3.0	19.0	21.0	6.50	1217	-14.0
46	Freitag, Joshua	1962	GER	−56B	+66N	−53B	=38N	+63B	=37N	—	3.0	12.5	13.0	5.00	1639	-80.0
47	Mertes, Gabriel	0	GER	−12B	+26N	−33B	+45N	F	−18B	=38N	2.5	23.0	26.0	8.75	1731	0.0
48	Pfening, Richard	1704	GER	−1B	+58N	−21B	+57N	−20N	=49B	−31N	2.5	22.0	24.0	5.25	1095	-21.6
49	Rosenhoevel, Andreas	0	GER	+33B	−15N	−38B	−24N	+60B	=48N	−32B	2.5	21.5	23.5	6.75	1606	0.0
50	Knoell, Dominik	1734	GER	−8B	=52N	=57B	=63N	+44B	−15N	−34N	2.5	20.5	21.5	5.75	1175	-8.0
51	Ergin, Umut	0	GER	+25N	−23B	−20N	F	=41B	+58N	−39B	2.5	20.5	20.5	7.50	1701	0.0
52	Don, Ivan	0	UKR	−18N	=50B	−44N	+67N	=39B	=31B	−28N	2.5	20.0	20.5	5.25	1772	0.0
53	Tibi, Anwar	1755	GER	=13N	=16B	+46N	=25B	F	—	—	2.5	17.0	20.0	9.50	2066	+61.6
54	Basak, Parjan	0	GER	−22B	−62N	+64B	−26N	−56B	=41N	+66B	2.5	16.0	16.5	3.00	1553	0.0
55	Becker, Jeraldiny	0	GER	−27N	−31B	−26B	+64N	+57B	−38N	−41B	2.0	19.5	20.5	3.00	1511	0.0
56	Schueers, Christian	1617	GER	+46N	−5N	−37B	−30B	+54N	−34B	—	2.0	19.0	21.5	5.50	1723	+7.8
57	Voeller, David	0	GER	=16N	−13B	=50N	−48B	−55N	+65B	−45N	2.0	19.0	20.0	4.50	1640	0.0
58	Agrawal, Eklavya	0	GER	−20N	−48B	−29N	+65B	=45N	−51B	=61N	2.0	17.5	18.5	3.50	1500	0.0
59	Aragon Cabrera, Javier Alejandro	0	GER	−43N	−40B	+65N	−35B	+67N	−26N	−44B	2.0	17.5	18.0	1.50	1580	0.0
60	Ananaba, Dominik	0	GER	−30N	−45B	−35N	+66B	−49N	+64B	−43N	2.0	16.5	17.0	1.50	1650	0.0
61	Juergens, Vincent	0	GER	−39B	−24N	=67B	−42B	−64N	+66N	=58B	2.0	14.0	14.5	1.75	1554	0.0
62	Koenigs, Paul	1698	GER	−36N	+54B	+30N	−27B	—	—	—	2.0	10.5	13.0	6.00	1820	+8.0
63	Mazuz, Mohamed	0	GER	−37B	F	−43N	=50B	−46N	−39N	=65B	1.0	16.5	16.5	1.75	1500	0.0
64	Fels, Georg	1575	GER	−23N	−25B	−54N	−55B	+61B	−60N	—	1.0	14.5	16.5	2.00	1145	-3.8
65	Krishnamurthy, Srivathsa Suresh	1442	GER	−21B	−32N	−59B	−58N	=66B	−57N	=63N	1.0	14.5	15.0	0.75	1458	-0.8
66	Krishnamurthy, Padmasini	1580	GER	−5B	−46B	F	−60N	=65N	−61B	−54N	0.5	16.0	16.0	0.50	1514	-14.8
67	Breuer, Achim	1654	GER	−19N	−42B	=61N	−52B	−59B	—	—	0.5	11.5	13.5	1.00	950	-7.4
68	Freese, Carsten	1787	GER	−2B	—	—	—	—	—	—	0.0	0.0	5.5	0.00	1387	-1.6

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Mirmoini, ArwinGER
+64.0
3.5 pts · #29
2Tibi, AnwarGER
+61.6
2.5 pts · #24
3Alnafkhosh, NashaatGER
+45.2
4.5 pts · #18

Top rating losers

1Freitag, JoshuaGER
-80.0
3.0 pts · #33
2Boeckmann, Leon HannesGER
-69.6
3.0 pts · #67
3Cheng, NoahGER
-43.2
3.5 pts · #27

Biggest upsets

R1+345 Elo gap
Schueers, Christian1617 beat Freitag, Joshua1962
R4+328 Elo gap
Mirmoini, Arwin1537 beat Freiknecht, Holger1865
R3+239 Elo gap
Leopold, Patrick1626 beat Freiknecht, Holger1865