2. Ilmenauer Open 2025

Open SwissStandard

59 players participated in this 7-round tournament, held from 30 Oct 2025 to 02 Nov 2025 in Ilmenau, Germany. 1 titled players from 2 federations. Top 10 Elo average was 2069, and top seed was Mathias Philipp (🇩🇪 GER, CM, 2164).

Roberto Rohmeiss (🇩🇪 GER, 2076) won with 6.5/7, ahead of Nico Aniol (5.5) and Mathias Philipp (5.0). Rohmeiss won solo starting round 4.

The biggest upset came in round 3: Leonard Juengling (1559) beat Jonas Roess (1892), a +333-point gap.

Location

🇩🇪Ilmenau, Germany

Dates

30 Oct 2025 → 02 Nov 2025

Time control

Standard: 120 minutes for game with 30 seconds increment from move 1

System

Swiss · 7 rounds

Top seed

🇩🇪CMMathias Philipp2164

Avg top 10

2,069

Participants

Titled players · 1

CM×1

Federations · 2 represented

🇩🇪Germany×57

🇺🇦Ukraine×1

Top 3

🥇
Roberto Rohmeiss
🇩🇪GER·2076
6.5pts·2338perf+33.6
🥈
Nico Aniol
🇩🇪GER·1997
5.5pts·2252perf+80.4
🥉
CMMathias Philipp
🇩🇪GER·2164
5.0pts·2111perf-6.6

How it unfolded

Top 6 · 7 rounds

Roberto Rohmeiss led from R4; +1.0-point edge over the runner-up.

Co-leaders

Rohmeiss6.5Aniol5.5Schork5Heinz5Philipp5Mehlhorn5

R4–R7 · LEAD HELD

Roberto Rohmeiss never relinquished the lead after R4; final gap +1.0 over the runner-up.

R7 · HEAD-TO-HEAD · WINNER VS 2ND

Roberto Rohmeiss drew with Nico Aniol (White).

R1–R6 · WIN STREAK

Roberto Rohmeiss won 6 in a row (R1–R6).

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1Roberto Rohmeiss	*	½	—	—
2Nico Aniol	½	*	—	½
3Stefan Schork	—	—	*	—
4Thomas Heinz	—	½	—	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	R6	R7	Pts	Bu C1	Bu	SB	Perf	Δ
1	Rohmeiss, Roberto	2076	GER	+50B	+19N	+7B	+9N	+8B	+4N	=2B	6.5	28.0	30.0	27.25	2338	+33.6
2	Aniol, Nico	1997	GER	+36B	+18N	=3B	=5N	+9B	+7N	=1N	5.5	29.5	32.5	24.25	2252	+80.4
3	Philipp, MathiasCM	2164	GER	+28N	+10B	=2N	=8N	=7B	=13B	+15N	5.0	27.5	31.0	21.50	2111	-6.6
4	Mehlhorn, Uwe	1968	GER	+27N	=37B	+29N	+16B	+17N	−1B	=5B	5.0	26.5	29.5	19.00	2051	+19.2
5	Heinz, Thomas	2091	GER	+32N	=16B	+12N	=2B	=15N	+44B	=4N	5.0	26.5	29.0	19.75	2047	-4.2
6	Schork, Stefan	2105	GER	+34B	+44N	−8B	=10N	+18B	=11N	+24B	5.0	24.5	27.0	18.00	2036	-9.2
7	Jandke, Manfred	2081	GER	+22N	+23B	−1N	+12B	=3N	−2B	+28N	4.5	29.5	33.0	18.50	1989	-11.0
8	Meitzner, Jonathan Franz	1834	GER	+42N	+49B	+6N	=3B	−1N	=15B	=13N	4.5	28.0	30.5	17.25	2111	+85.6
9	Eichenauer, Pascal	2070	GER	+51N	+21B	+15N	−1B	−2N	=23B	+16N	4.5	28.0	30.0	16.00	1988	-10.0
10	Zimmermann, Felix	1914	GER	+46B	−3N	+31B	=6B	=28N	+30N	=11B	4.5	25.0	27.5	16.00	2036	+23.4
11	Mehner, Lorenz	1993	GER	=29N	−17B	+36N	+27B	+21N	=6B	=10N	4.5	24.5	27.5	17.00	1925	-14.0
12	Heitmann, Erik	1761	GER	+47B	+20N	−5B	−7N	+40B	=14B	+44N	4.5	23.5	26.0	14.25	1968	+75.2
13	Geisshirt, Marco	1968	GER	+52N	=25B	F	+32B	+14N	=3N	=8B	4.5	23.5	23.5	16.75	2034	+11.2
14	Aniol, Adrian	1888	GER	+35B	=30N	=37B	+34N	−13B	=12N	+31B	4.5	22.0	25.0	15.00	1923	+7.2
15	Maiwald, Harald	1989	GER	+53B	+24N	−9B	+25N	=5B	=8N	−3B	4.0	27.0	29.0	14.75	1984	+0.4
16	Junge, Mattheo Gabriel	1946	GER	+40B	=5N	+30B	−4N	=20B	+39N	−9B	4.0	25.0	28.0	14.00	1931	-2.8
17	Heinz, Juergen	2090	GER	=26B	+11N	=25B	+37N	−4B	−24N	+35B	4.0	24.5	27.5	14.50	1903	-29.8
18	Schelhorn, Paul	1871	GER	+54N	−2B	+33N	=49B	−6N	+29B	=22N	4.0	23.5	25.0	11.25	1904	+6.8
19	Handschuh, Franz	1788	GER	+43N	−1B	=46N	=22B	=27N	=33B	+40N	4.0	23.0	25.5	12.50	1734	-14.0
20	Langer, Paul Georg	1987	GER	+33N	−12B	+51N	=21B	=16N	=28B	=23N	4.0	23.0	25.0	12.75	1828	-25.8
21	Gandera, Moritz	1804	GER	+38B	−9N	+50B	=20N	−11B	=22B	+36N	4.0	23.0	25.0	12.00	1873	+17.6
22	Piske, Justus	0	GER	−7B	+57N	=44B	=19N	+25B	=21N	=18B	4.0	23.0	24.0	12.25	1837	0.0
23	Boroshnev, Dmytro	1703	UKR	+45B	−7N	=35B	=30N	+37B	=9N	=20B	4.0	22.5	25.0	13.00	1919	+73.6
24	Roess, Jonas	1892	GER	+48N	−15B	−27N	+46B	+34N	+17B	−6N	4.0	22.0	24.5	12.00	1870	-0.8
25	Strohner, Maximilian	1762	GER	+57B	=13N	=17N	−15B	−22N	+52B	+33N	4.0	21.5	22.5	10.25	1959	+59.6
26	Wagner, Martin	1812	GER	=17N	−29B	=54N	=41B	+48N	=27B	+39N	4.0	19.5	21.0	11.50	1688	-38.4
27	Juengling, Leonard	1559	GER	−4B	+58N	+24B	−11N	=19B	=26N	=30B	3.5	25.0	26.0	10.75	1816	+66.0
28	Wuestehube, Harry	1889	GER	−3B	=38N	+45B	+35N	=10B	=20N	−7B	3.5	24.0	26.5	11.25	1890	+0.2
29	Mehner, Clara	1699	GER	=11B	+26N	−4B	−44N	+38B	−18N	+45B	3.5	23.0	25.5	11.75	1833	+47.6
30	Rudolph, Max	1828	GER	+55N	=14B	−16N	=23B	+47N	−10B	=27N	3.5	23.0	24.0	9.50	1696	-20.2
31	Katzmann, Kimi	1877	GER	−49N	+42B	−10N	=33B	+46N	+41B	−14N	3.5	20.5	23.0	10.00	1741	-42.4
32	Endter, Marcel	1641	GER	−5B	=45N	+38B	−13N	−39B	+53N	+56B	3.5	20.0	21.0	7.25	1810	+37.6
33	Bock, Ruediger	1656	GER	−20B	+39N	−18B	=31N	+54B	=19N	−25B	3.0	22.5	24.0	8.25	1690	+7.2
34	Metzner, Nikolaus	1773	GER	−6N	+41B	+47N	−14B	−24B	−40N	+50B	3.0	22.0	24.0	7.50	1697	-15.0
35	Drewes, Thomas	1765	GER	−14N	+55B	=23N	−28B	=36N	+51B	−17N	3.0	21.0	22.0	6.50	1702	-9.8
36	Hoffmann, Karsten	0	GER	−2N	=54B	−11B	+45N	=35B	+56N	−21B	3.0	21.0	22.0	5.75	1664	0.0
37	Rauch, Arwid	1779	GER	+39B	=4N	=14N	−17B	−23N	+47B	—	3.0	20.5	23.0	10.25	1759	-3.6
38	Brandt, Wolfgang	1747	GER	−21N	=28B	−32N	+43B	−29N	+48B	=41N	3.0	20.5	23.0	8.75	1615	-24.2
39	Dohrn, Andreas	0	GER	−37N	−33B	+42N	+51B	+32N	−16B	−26B	3.0	20.5	22.5	8.50	1629	0.0
40	Huebner, Paul	1639	GER	−16N	−51B	+56N	+52B	−12N	+34B	−19B	3.0	19.5	20.5	6.00	1660	+5.6
41	Lass, Matteo	1630	GER	−44B	−34N	+55B	=26N	+53B	−31N	=38B	3.0	18.0	19.0	6.50	1675	+12.8
42	Donath, Hendrik	0	GER	−8B	−31N	−39B	+55N	−56B	+54N	+52N	3.0	15.5	16.5	4.50	1768	+28.0
43	Essers, Mathilda Marie	1450	GER	−19B	−50N	+58B	−38N	−52N	+55B	+51N	3.0	14.0	15.0	4.00	1470	+2.0
44	Alvermann, Christian, Dr.	1870	GER	+41N	−6B	=22N	+29B	F	−5N	−12B	2.5	25.0	27.5	8.50	1785	-12.2
45	Balthasar, Johann	1571	GER	−23N	=32B	−28N	−36B	+57N	+46B	−29N	2.5	20.0	21.0	5.25	1636	+17.2
46	Huebner, Jakob	1684	GER	−10N	+56B	=19B	−24N	−31B	−45N	+58B	2.5	19.5	20.5	4.00	1442	-48.0
47	Brand, Thomas	1509	GER	−12N	+52B	−34B	+50N	−30B	−37N	=53B	2.5	18.0	20.0	5.00	1639	+20.0
48	Stecay, Anja Christina, Dr.	1541	GER	−24B	−53N	=59B	+58N	−26B	−38N	+54B	2.5	15.5	16.0	2.75	1546	-0.6
49	Li, Yunqi	2019	GER	+31B	−8N	+53B	=18N	F	—	—	2.5	14.5	16.5	7.50	1920	-19.2
50	Mehner, Joerg	1570	GER	−1N	+43B	−21N	−47B	−51N	+59B	−34N	2.0	21.0	21.5	3.50	1535	-10.0
51	Huebner, Jassir	1687	GER	−9B	+40N	−20B	−39N	+50B	−35N	−43B	2.0	20.5	22.5	5.00	1622	-26.4
52	Eschweiler, Martin	1756	GER	−13B	−47N	+57B	−40N	+43B	−25N	−42B	2.0	20.0	21.0	4.00	1520	-36.4
53	Koeberl, Christiane	1722	GER	−15N	+48B	−49N	=54B	−41N	−32B	=47N	2.0	18.0	19.5	4.50	1547	-34.6
54	Zentgraf, Raphael	1606	GER	−18B	=36N	=26B	=53N	−33N	−42B	−48N	1.5	19.5	21.5	4.50	1481	-31.2
55	FIDE 16233069	0	—	−30B	−35N	−41N	−42B	+58B	−43N	−57N	1.0	16.5	17.5	1.00	843	0.0
56	Waeldchen, Bruno	0	GER	F	−46N	−40B	F	+42N	−36B	−32N	1.0	16.0	16.0	3.00	854	0.0
57	Pantleon, Florian	1544	GER	−25N	−22B	−52N	F	−45B	−58N	+55B	1.0	14.5	15.5	1.00	896	-36.4
58	Waeldchen, Anna	0	GER	F	−27B	−43N	−48B	−55N	+57B	−46N	1.0	13.5	13.5	1.00	1316	0.0
59	Skopp, Erik	1656	GER	F	F	=48N	F	F	−50N	—	0.5	4.5	4.5	1.25	1363	-15.6

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Meitzner, Jonathan FranzGER
+85.6
4.5 pts · #20
2Aniol, NicoGER
+80.4
5.5 pts · #8
3Heitmann, ErikGER
+75.2
4.5 pts · #7

Top rating losers

1Huebner, JakobGER
-48.0
2.5 pts · #56
2Katzmann, KimiGER
-42.4
3.5 pts · #37
3Wagner, MartinGER
-38.4
4.0 pts · #27

Biggest upsets

R3+333 Elo gap
Juengling, Leonard1559 beat Roess, Jonas1892
R3+271 Elo gap
Meitzner, Jonathan Franz1834 beat Schork, Stefan2105
R2+247 Elo gap
Brand, Thomas1509 beat Eschweiler, Martin1756