Offene Deutsche Juniorenmeisterschaft 2025 U25 A

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77 players participated in this 9-round tournament, held from 08 Jun 2025 to 14 Jun 2025 in Willingen, Germany. 4 titled players from 3 federations. Top 10 Elo average was 2189, and top seed was Martin Kololli (🇩🇪 GER, FM, 2311).

Martin Kololli (🇩🇪 GER, FM, 2311) won with 8.0/9, ahead of Arkadii Kliashtornyi (7.0) and Jan Vortmeier (6.5). Kololli won solo starting round 4.

The biggest upset came in round 3: Linus Apel (1783) beat Kay Hoffmann (2123), a +340-point gap.

Location

🇩🇪Willingen, Germany

Dates

08 Jun 2025 → 14 Jun 2025

Time control

Standard: 90min/40moves+30min/end+30sec increment per move starting from move 1

System

Swiss · 9 rounds

Top seed

🇩🇪FMMartin Kololli2311

Avg top 10

2,189

Participants

Titled players · 4

FM×3

CM×1

Federations · 3 represented

🇩🇪Germany×75

🇺🇦Ukraine×1

🇦🇹Austria×1

Top 3

🥇
FMMartin Kololli
🇩🇪GER·2311
8.0pts·2477perf+28.6
🥈
FMArkadii Kliashtornyi
🇺🇦UKR·2194
7.0pts·2309perf+51.6
🥉
Jan Vortmeier
🇩🇪GER·2039
6.5pts·2282perf+103.6

How it unfolded

Top 6 · 9 rounds

FM Martin Kololli led from R4; +1.0-point edge over the runner-up.

Co-leaders

Kololli8Kliashtornyi7Mimkes6.5Weidenhoefer6.5Vortmeier6.5Koehler6.5

R4–R9 · LEAD HELD

FM Martin Kololli never relinquished the lead after R4; final gap +1.0 over the runner-up.

R4 · HEAD-TO-HEAD · WINNER VS 2ND

FM Martin Kololli beat FM Arkadii Kliashtornyi (White).

WIN STREAKS · 2 top finishers

FM Martin Kololli 7 wins (R1–R7)FM Arkadii Kliashtornyi 3 wins (R1–R3)

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1FMMartin Kololli	*	1	—	—
2FMArkadii Kliashtornyi	0	*	1	1
3Pavel Mimkes	—	0	*	—
4CMMax Weidenhoefer	—	0	—	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	R6	R7	R8	R9	Pts	Bu C1	Bu	SB	Perf	Δ
1	Kololli, MartinFM	2311	GER	+35N	+34B	+13N	+2B	+9N	+8B	+10N	=4B	=3N	8.0	47.5	52.0	45.50	2477	+28.6
2	Kliashtornyi, ArkadiiFM	2194	UKR	+77B	+19N	+7B	−1N	+37B	=5N	+6B	=8N	+18B	7.0	49.0	50.0	35.75	2309	+51.6
3	Vortmeier, Jan	2039	GER	+38B	+28N	+11B	=8N	=5B	−6N	+13N	+9B	=1B	6.5	49.0	53.5	36.75	2282	+103.6
4	Menzel, Maximilian	2199	GER	+29B	−11N	+38B	=19N	+45B	+12N	=5B	=1N	+17B	6.5	46.0	50.0	34.50	2181	-0.4
5	Koehler, Lukas	2043	GER	+63N	=31B	+43N	+10B	=3N	=2B	=4N	=13B	+11N	6.5	45.5	49.0	34.00	2223	+43.4
6	Weidenhoefer, MaxCM	2170	GER	+48N	+32B	−10N	=14B	+40N	+3B	−2N	+34B	+8B	6.5	44.0	48.0	32.75	2215	+12.2
7	Mimkes, Pavel	2064	GER	+67N	+64B	−2N	+49B	+33N	=10B	−8N	+39B	+16N	6.5	40.0	43.0	27.25	2163	+24.6
8	Lutze, Max	2177	GER	+47N	+40B	+24N	=3B	+12N	−1N	+7B	=2B	−6N	6.0	49.5	53.5	32.25	2219	+15.2
9	Weber, SamuelFM	2262	GER	+55B	=12N	+41B	+26N	−1B	=16N	+44B	−3N	+25B	6.0	44.5	48.5	28.50	2135	-22.6
10	Mimkes, Antal	2074	GER	+73B	+36N	+6B	−5N	+27B	=7N	−1B	−18N	+37B	5.5	47.0	49.0	25.75	2131	+15.0
11	Tulchynsky, David	2009	GER	+15N	+4B	−3N	−33B	=64N	+57B	+31N	+22B	−5B	5.5	43.0	46.0	27.00	2068	+30.4
12	Martin Fernandez, Rafael	1965	GER	+58N	=9B	+31N	+21N	−8B	−4B	=32N	+47B	=13N	5.5	42.5	46.0	25.50	2149	+85.6
13	Winkler, Yonathan	2201	GER	+74B	+50N	−1B	=56N	+46B	+36N	−3B	=5N	=12B	5.5	42.5	44.5	22.25	2067	-50.0
14	Ellinger, Maximilian	2039	GER	=53B	=51N	+52B	=6N	+26B	=18N	=17B	=21N	=27B	5.5	41.0	45.0	27.00	2077	+21.7
15	Kraus, Linus	1886	GER	−11B	+29N	+28B	=16N	=44B	−17N	=30N	+41B	+34N	5.5	40.5	45.0	26.50	2082	+95.6
16	Ronsin, Corentin	2064	GER	=66N	+60B	=49N	=15B	+31N	=9B	=22N	+24B	−7B	5.5	40.5	43.5	25.00	2069	+5.2
17	Uhlmann, Tim	2118	GER	+59N	−33B	=65N	=35B	+47N	+15B	=14N	+32B	−4N	5.5	38.5	41.5	24.00	2035	-34.4
18	Meiwes, Thore	2139	GER	=57N	=65B	=35N	+48B	=56N	=14B	+41N	+10B	−2N	5.5	38.0	41.0	24.00	2047	-18.6
19	Mehner, Lorenz	2001	GER	+68N	−2B	+64N	=4B	−36B	−25N	+60B	+59N	+31B	5.5	37.5	40.5	20.75	2020	+10.0
20	Ruddat, Jarne	1925	GER	=26B	+53N	=45B	−27N	+58B	=33N	+36B	=44N	=21B	5.5	37.0	40.5	23.75	1991	+32.8
21	Hofmann, Lorenz	2104	GER	=65N	+57B	+33N	−12B	=32N	+56B	=39N	=14B	=20N	5.5	37.0	40.0	23.00	2018	-18.8
22	Hoffmann, Kay	2123	GER	=70B	+52N	−26B	=50N	+38B	+49N	=16B	−11N	+32B	5.5	37.0	39.5	23.00	2009	-47.2
23	Paeslack, Luis	2091	GER	−50B	−45N	+73B	+75N	+35B	=37N	=25B	=28N	+56N	5.5	32.5	34.5	19.25	1992	-21.6
24	Longo, Massimo	2081	GER	+25B	+46N	−8B	−45N	=29B	+26N	+37B	−16N	=28B	5.0	40.0	44.0	23.50	1989	-20.6
25	Schmidt, Boris	1930	GER	−24N	=30B	+62N	+34B	F	+19B	=23N	+42B	−9N	5.0	39.5	39.5	23.25	2139	+86.4
26	Apel, Linus	1783	GER	=20N	+72B	+22N	−9B	−14N	−24B	=57N	+64B	+47N	5.0	38.0	40.5	19.50	2055	+119.2
27	Melde, Benjamin	2065	GER	−64N	+67B	+47N	+20B	−10N	−32B	+48N	=56B	=14N	5.0	35.5	38.5	21.00	1988	-18.4
28	Astner, Sebastian	1930	GER	+61N	−3B	−15N	+60B	−59N	+73B	+71N	=23B	=24N	5.0	35.5	37.5	16.75	1970	+8.8
29	Pimenov, Danil	1945	GER	−4N	−15B	+67N	+61B	=24N	−34B	=64N	+73B	+46N	5.0	35.0	37.0	16.50	1994	+23.6
30	Groessing, Daniel-Yosuke	1974	AUT	−52B	=25N	+66B	−46N	=70B	+58N	=15B	+61N	=42B	5.0	33.0	35.5	18.75	1933	-20.8
31	Zhang, Onno	1859	GER	+44B	=5N	−12B	+41N	−16B	+35N	−11B	+40B	−19N	4.5	42.0	46.5	21.25	1991	+62.4
32	Werner, Florin	1970	GER	+71B	−6N	=36B	+51N	=21B	+27N	=12B	−17N	−22N	4.5	42.0	44.5	19.25	1996	+12.8
33	Brau, Luca	1911	GER	+56B	+17N	−21B	+11N	−7B	=20B	−34N	−37N	+57B	4.5	41.0	44.5	20.75	2013	+49.2
34	Walter, Richard	2041	GER	+75B	−1N	=70B	−25N	+51B	+29N	+33B	−6N	−15B	4.5	41.0	43.0	16.75	1971	-29.0
35	Alheit, Maximilian	1884	GER	−1B	+73N	=18B	=17N	−23N	−31B	+66B	+54N	=38B	4.5	40.5	42.5	16.75	2011	+54.8
36	Krause, Enrico	1792	GER	F	−10B	=32N	+43B	+19N	−13B	−20N	+49B	+39N	4.5	39.5	39.5	20.75	2038	+100.0
37	Walz, Fabian	1960	GER	=62N	=76B	+71N	+42B	−2N	=23B	−24N	+33B	−10N	4.5	38.0	39.0	16.50	1982	+10.4
38	Tiedemann, Fin Niklas	1938	GER	−3N	+61B	−4N	+76B	−22N	+68B	−42N	+71B	=35N	4.5	36.5	37.5	12.25	1958	+4.0
39	Vollmar, Timo	1885	GER	=51B	=70N	=46B	=58N	+50B	+45N	=21B	−7N	−36B	4.5	36.0	38.5	17.75	1909	+5.2
40	Beduschi, Ben	2017	GER	+54B	−8N	=51B	+70N	−6B	=46N	=59B	−31N	+58B	4.5	36.0	38.5	15.75	1942	-36.4
41	Zweigait, Leon	1913	GER	=60N	+66B	−9N	−31B	+62N	+64B	−18B	−15N	+59B	4.5	35.0	38.0	14.75	1935	+6.8
42	Storm, Max	2061	GER	−46B	+74N	=50B	−37N	=65B	+70N	+38B	−25N	=30N	4.5	32.5	34.5	15.00	1917	-34.8
43	Matthes, Benjamin	1981	GER	=76N	+62B	−5B	−36N	=53B	+66N	−52B	=58N	+61B	4.5	32.5	33.5	14.25	1860	-28.6
44	Mueller, Mark	2029	GER	−31N	=63B	+76N	+65B	=15N	+59B	−9N	=20B	F	4.5	32.5	32.5	14.75	1971	-11.4
45	Fellberg, Justus	1812	GER	=49N	+23B	=20N	+24B	−4N	−39B	−47N	=57B	=48N	4.0	39.0	42.5	19.00	1944	+58.0
46	Beckmann, Jonathan	1904	GER	+42N	−24B	=39N	+30B	−13N	=40B	F	+50N	−29B	4.0	38.0	41.5	18.00	2013	+44.8
47	Nguyen, Phuc Nhat	1974	GER	−8B	+75N	−27B	+68N	−17B	+53N	+45B	−12N	−26B	4.0	38.0	40.0	13.00	1908	-16.0
48	Schilling, Rumo	1852	GER	−6B	=54N	+53B	−18N	=52B	+75N	−27B	=51N	=45B	4.0	37.0	39.0	14.00	1912	+25.2
49	Heimann, Alexander	1930	GER	=45B	+69N	=16B	−7N	+71B	−22B	=61N	−36N	=51B	4.0	36.5	39.0	14.00	1858	-17.4
50	Abou Wally, Adrian	1947	GER	+23N	−13B	=42N	=22B	−39N	−71B	+68N	−46B	+69N	4.0	35.5	38.0	16.50	1927	-5.2
51	Ye, Philipp	1863	GER	=39N	=14B	=40N	−32B	−34N	=54B	+72N	=48B	=49N	4.0	35.5	38.0	15.75	1916	+13.0
52	Andresen, Eric	1889	GER	+30N	−22B	−14N	=57B	=48N	+63B	+43N	F	F	4.0	31.5	31.5	16.75	2029	+53.6
53	Weeke, Tom	1843	GER	=14N	−20B	−48N	+77B	=43N	−47B	−74N	+72B	+64N	4.0	31.0	32.0	11.50	1895	+25.2
54	Schuricht, Paul Alexander	1920	GER	−40N	=48B	=57N	−64B	=63N	=51N	+70B	−35B	+74N	4.0	29.5	31.5	12.00	1857	-29.6
55	Retzlaff, Kian	1946	GER	−9N	=58B	−60N	−62B	−61N	+77B	+67N	=63B	+73N	4.0	28.5	29.5	9.50	1877	-36.0
56	Hofmann, Benjamin	1944	GER	−33N	+59B	+68N	=13B	=18B	−21N	F	=27N	−23B	3.5	39.0	42.0	14.50	1991	+8.4
57	Nguyen, Ha Thanh	1950	GER	=18B	−21N	=54B	=52N	+60B	−11N	=26B	=45N	−33N	3.5	38.0	41.5	14.75	1856	-23.2
58	Arp, Piotr Alexander	1863	GER	−12B	=55N	+72N	=39B	−20N	−30B	+65N	=43B	−40N	3.5	36.5	39.0	12.00	1868	+0.8
59	Uhlmann, Jonas	1876	GER	−17B	−56N	+77B	+69N	+28B	−44N	=40N	−19B	−41N	3.5	36.0	37.0	11.25	1885	+2.4
60	Andresen, Marc	1857	GER	=41B	−16N	+55B	−28N	−57N	+62B	−19N	=74B	=63N	3.5	35.0	37.0	12.50	1863	+1.0
61	Tulchynsky, Mark	1810	GER	−28B	−38N	+74B	−29N	+55B	+65N	=49B	−30B	−43N	3.5	35.0	37.0	11.00	1854	+19.6
62	Meyer, Henry	1841	GER	=37B	−43N	−25B	+55N	−41B	−60N	=69B	=66N	+70B	3.5	32.0	34.5	11.75	1816	-12.8
63	Arne, Jonas	1938	GER	−5B	=44N	=69B	−71N	=54B	−52N	+76B	=55N	=60B	3.5	32.0	33.0	10.50	1818	-60.0
64	Bergmann, Lennart	1860	GER	+27B	−7N	−19B	+54N	=11B	−41N	=29B	−26N	−53B	3.0	41.0	45.0	14.25	1824	-18.4
65	Seitz, Manuel	1859	GER	=21B	=18N	=17B	−44N	=42N	−61B	−58B	=75N	=71N	3.0	35.0	37.0	12.75	1851	-4.0
66	Friedhoff, Mirco	1838	GER	=16B	−41N	−30N	=72B	+76N	−43B	−35N	=62B	=68N	3.0	33.0	34.0	8.25	1802	-17.6
67	Juergenpott, Maximilian	1867	GER	−7B	−27N	−29B	+74N	−68B	=69N	−55B	+76N	=75B	3.0	30.5	31.5	5.50	1802	-16.0
68	Grunert, Wilhelm	1892	GER	−19B	+77N	−56B	−47B	+67N	−38N	−50B	=70N	=66B	3.0	30.0	31.0	6.75	1794	-23.4
69	Seifert, Hendrik	1811	GER	=72N	−49B	=63N	−59B	−73N	=67B	=62N	+77N	−50B	3.0	26.0	27.0	7.25	1788	-5.2
70	Theisen, Johannes	1831	GER	=22N	=39B	=34N	−40B	=30N	−42B	−54N	=68B	−62N	2.5	36.0	39.0	11.25	1807	-7.4
71	Hierl, Andreas	1767	GER	−32N	F	−37B	+63B	−49N	+50N	−28B	−38N	=65B	2.5	33.0	33.0	9.00	1793	+11.2
72	Schulz, Tim	1976	GER	=69B	−26N	−58B	=66N	−75B	+76N	−51B	−53N	=77N	2.5	25.5	26.5	4.50	1683	-123.6
73	Direk, Oguzhan	1912	GER	−10N	−35B	−23N	F	+69B	−28N	+75B	−29N	−55B	2.0	34.5	34.5	5.00	1753	-66.0
74	Hoffmann, Alexander	1907	GER	−13N	−42B	−61N	−67B	=77N	F	+53B	=60N	−54B	2.0	29.0	29.0	6.25	1742	-35.0
75	Schulz, Dennis	1894	GER	−34N	−47B	F	−23B	+72N	−48B	−73N	=65B	=67N	2.0	28.5	28.5	5.50	1754	-29.0
76	Grabowski, Joshua	1819	GER	=43B	=37N	−44B	−38N	−66B	−72B	−63N	−67B	F	1.0	30.0	30.0	4.50	1619	-68.0
77	Heilig, Tim Markus	1926	GER	−2N	−68B	−59N	−53N	=74B	−55N	F	−69B	=72B	1.0	29.0	29.0	2.25	1609	-59.8

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Apel, LinusGER
+119.2
5.0 pts · #26
2Vortmeier, JanGER
+103.6
6.5 pts · #5
3Krause, EnricoGER
+100.0
4.5 pts · #33

Top rating losers

1Schulz, TimGER
-123.6
2.5 pts · #72
2Grabowski, JoshuaGER
-68.0
1.0 pts · #76
3Direk, OguzhanGER
-66.0
2.0 pts · #73

Biggest upsets

R3+340 Elo gap
Apel, Linus1783 beat Hoffmann, Kay2123
R2+279 Elo gap
Fellberg, Justus1812 beat Paeslack, Luis2091
R4+269 Elo gap
Fellberg, Justus1812 beat Longo, Massimo2081