18. Wormser Nibelungenopen A-Turnier

SwissStandard

79 players participated in this 7-round tournament, held from 02 Oct 2025 to 05 Oct 2025 in Worms, Germany. 15 titled players from 8 federations. Top 10 Elo average was 2309, and top seed was Hagen Poetsch (🇩🇪 GER, GM, 2457).

Martin Heider (🇩🇪 GER, 2393) won with 5.5/7, ahead of Soham Datar (5.5) and Nico Stelmaszyk (5.5). Heider won on tie-break after catching the field in the final round.

The biggest upset came in round 4: Fynn Didas (1609) beat Ivan Riabtsev (2077), a +468-point gap.

Location

🇩🇪Worms, Germany

Dates

02 Oct 2025 → 05 Oct 2025

Time control

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

System

Swiss · 7 rounds

Top seed

🇩🇪GMHagen Poetsch2457

Avg top 10

2,309

Participants

Titled players · 15

GM×1

FM×10

CM×4

Federations · 8 represented

🇩🇪Germany×69

🇮🇳India×2

🇺🇦Ukraine×2

🇨🇭Switzerland×2

🇭🇺Hungary×1

🇬🇧England×1

🇬🇧Scotland×1

🇫🇷France×1

Top 3

🥇
Martin Heider
🇩🇪GER·2393
5.5pts·2405perf+1.4
🥈
FMSoham Datar
🇮🇳IND·2273
5.5pts·2470perf+34.8
🥉
FMNico Stelmaszyk
🇩🇪GER·2362
5.5pts·2408perf+4.2

How it unfolded

Top 6 · 7 rounds

Tight race until R7; 5 players tied at 5.5/7, decided on Buchholz. Title race narrowed from 6 co-leaders at R4 to 5 at the finish.

Co-leaders

Poetsch5.5Stelmaszyk5.5Datar5.5Heider5.5Kupriyanov5.5Hinrichs5

R7 · TIEBREAK CLUSTER

5 players finish on 5.5/7. Heider takes the title on Buchholz Cut1 (29.0).

WIN STREAKS · 3 top finishers

GM Hagen Poetsch 3 wins (R3–R5)FM Nico Stelmaszyk 3 wins (R1–R3)FM Soham Datar 3 wins (R1–R3)

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1GMHagen Poetsch	*	—	½	—
2FMNico Stelmaszyk	—	*	½	½
3FMSoham Datar	½	½	*	—
4Martin Heider	—	½	—	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	R6	R7	Pts	Bu C1	Bu	SB	Perf	Δ
1	Heider, Martin	2393	GER	+17N	+9B	=8N	=11B	+16N	=3B	+14N	5.5	29.0	33.5	26.00	2405	+1.4
2	Soham DatarFM	2273	IND	+33N	+45B	+14N	=3B	+7N	=5B	=6N	5.5	29.0	32.0	24.00	2470	+34.8
3	Stelmaszyk, NicoFM	2362	GER	+37B	+42N	+12B	=2N	+18B	=1N	=4B	5.5	28.5	31.5	23.25	2408	+4.2
4	Kupriyanov, Daniel	2161	UKR	+66N	+78B	=7N	=24B	+9N	+8B	=3N	5.5	26.5	26.5	19.25	2381	+35.2
5	Poetsch, HagenGM	2457	GER	+27B	−11N	+41B	+20N	+30B	=2N	+12B	5.5	26.0	29.0	21.75	2357	-5.8
6	Kocharin, TimurFM	2332	GER	+36N	+20B	+10N	=18B	=8N	=7B	=2B	5.0	28.5	32.0	22.25	2326	+1.2
7	Hinrichs, PaulFM	2302	GER	+58B	+22N	=4B	+15N	−2B	=6N	+18B	5.0	28.5	31.0	20.25	2327	+6.6
8	Aeschbacher, Dimitri	2194	SUI	+55N	+56B	=1B	+13N	=6B	−4N	+42B	5.0	26.0	28.5	17.75	2299	+44.0
9	Foerster, Erik	2144	GER	+77B	−1N	+54B	+34N	−4B	+26N	+23N	5.0	25.0	25.5	14.50	2261	+22.6
10	Weigand, AntonCM	2181	GER	+73B	+34N	−6B	=19N	+40B	=42N	+25B	5.0	22.5	24.0	15.50	2240	+11.8
11	Hoppstaedter, DanielFM	2146	GER	+62N	+5B	=15B	=1N	=12B	=28N	=13B	4.5	28.5	31.0	19.50	2328	+68.4
12	Perske, Paul	2174	GER	+50N	+53B	−3N	+32B	=11N	+38B	−5N	4.5	25.5	28.0	14.75	2221	+10.4
13	Bocquenet-Drouode, HugoCM	2242	FRA	=47N	+57B	+25N	−8B	=21N	+20B	=11N	4.5	24.5	27.0	16.25	2161	-22.4
14	Schenk-Pogan, NikolasFM	2171	SUI	+65B	+54N	−2B	=40N	+19B	+22N	−1B	4.5	24.5	26.5	14.00	2205	+7.6
15	Reimer, Philip	2204	GER	+48N	+21B	=11N	−7B	−38N	+36N	+32B	4.5	24.0	27.0	16.25	2174	-3.6
16	Commercon, Simon	2199	GER	+52B	=40N	=19B	+26N	−1B	=30N	+34B	4.5	23.5	26.0	15.25	2187	-0.6
17	Watarkar Yash	2009	IND	−1B	=65N	=35B	+51N	=52B	+31N	+30B	4.5	21.0	23.0	13.50	2102	+16.4
18	Feldmann, Johannes	2159	GER	+51B	+31N	+28B	=6N	−3N	=23B	−7N	4.0	27.0	29.5	14.50	2236	+16.0
19	Meuer, David	2060	GER	+44N	=23B	=16N	=10B	−14N	=21B	+43N	4.0	25.0	28.0	14.75	2115	+18.4
20	Wiley, Tom EFM	2086	ENG	+35B	−6N	+31B	−5B	+47N	−13N	+40B	4.0	25.0	28.0	13.00	2171	+14.6
21	Berres, Eric	2048	GER	+46B	−15N	+43B	=28N	=13B	=19N	=24N	4.0	24.0	27.0	14.25	2124	+16.6
22	Suranyi, Pal	2075	HUN	+79N	−7B	+56N	=23B	+24N	−14B	=29N	4.0	24.0	24.0	10.50	2138	+13.0
23	Pradeep, HarshillCM	2227	GER	+59B	=19N	=40B	=22N	+41B	=18N	−9B	4.0	23.0	25.5	13.00	2082	-31.9
24	Ollenberger, RolandFM	2239	GER	−31B	+73N	+36B	=4N	−22B	+52N	=21B	4.0	23.0	24.5	12.25	2058	-29.4
25	Klein, Levent	2129	GER	=43B	+69N	−13B	=52N	+33B	+27N	−10N	4.0	22.5	24.5	12.25	2044	-25.2
26	Busche, Stefan	2070	GER	+67B	−28N	+51B	−16B	+48N	−9B	+44N	4.0	22.0	24.0	10.50	2032	-5.4
27	Jenner, Meikel	2013	GER	−5N	+66B	=64N	=44B	+39N	−25B	+45N	4.0	21.5	23.5	11.25	2166	+22.6
28	Zhou, SyangCM	2236	GER	+74N	+26B	−18N	=21B	+63N	=11B	F	4.0	20.5	20.5	12.25	2194	-5.4
29	Kuhn, Daniel	1994	GER	F	−51N	+73B	=43N	+67B	+41N	=22B	4.0	16.0	16.0	10.00	1983	+0.2
30	Huschens, Matthias	2094	GER	−53N	+68B	+39N	+47B	−5N	=16B	−17N	3.5	23.5	25.5	10.75	2039	-11.4
31	Engels, Stefan, Dr.	1962	GER	+24N	−18B	−20N	+78B	=32N	−17B	+57N	3.5	22.5	22.5	8.25	1998	+4.0
32	Warter, Siegfried	2038	GER	=41B	=43N	+67B	−12N	=31B	+46N	−15N	3.5	21.5	23.5	9.75	1904	-20.8
33	Schild, Willi	1976	GER	−2B	=35N	=76B	+61N	−25N	=39B	+51N	3.5	21.5	22.5	9.00	1954	-5.4
34	Schwartz, Andreas	2025	GER	+72N	−10B	+78N	−9B	=44N	+60B	−16N	3.5	21.5	21.5	5.50	1928	-9.8
35	Dosch, Alexander	1850	GER	−20N	=33B	=17N	=49B	=55N	=48B	+60N	3.5	20.5	23.0	10.75	1973	+22.8
36	Gersmann, Kai	1983	GER	−6B	+77N	−24N	=56B	+68N	−15B	+55N	3.5	20.5	21.0	6.25	2046	+9.2
37	Muths, Lukas	2004	GER	−3N	−39B	=50N	=66B	+72N	=53B	+52N	3.5	19.0	20.5	7.75	1912	-17.6
38	Lambert, Andreas	2068	GER	=69B	−41N	+65B	+46N	+15B	−12N	F	3.5	19.0	19.0	10.50	1956	-11.8
39	Yin, Stanley	1887	GER	F	+37N	−30B	+75N	−27B	=33N	+58B	3.5	18.0	18.0	8.75	2091	+33.0
40	Feidt, Jonas	2040	GER	+70N	=16B	=23N	=14B	−10N	=44B	−20N	3.0	25.0	27.0	10.00	2033	-0.4
41	Didas, Fynn	1609	GER	=32N	+38B	−5N	+45B	−23N	−29B	=49B	3.0	23.5	26.5	9.75	1949	+95.6
42	Pfrengle, Tim	2079	GER	+61N	−3B	=62N	+53B	F	=10B	−8N	3.0	23.0	25.5	8.75	2049	-4.4
43	Sykes, Chris	1863	SCO	=25N	=32B	−21N	=29B	=45N	+47B	−19B	3.0	22.5	25.5	10.25	1995	+22.6
44	Roos, Bernhard	0	GER	−19B	=49N	+59B	=27N	=34B	=40N	−26B	3.0	21.5	24.0	9.25	1962	0.0
45	Riabtsev, Ivan	2077	UKR	+76B	−2N	=60B	−41N	=43B	+65N	−27B	3.0	20.0	21.0	5.75	1881	-34.6
46	Classen, Marnin	1678	GER	−21N	=55B	+74N	−38B	+49N	−32B	=48N	3.0	19.5	21.0	7.25	1930	+77.6
47	Krinke, Michael	1967	GER	=13B	=63N	+75B	−30N	−20B	−43N	+65B	3.0	19.5	20.5	6.50	2007	+6.0
48	Gutfleisch, Florian	1917	GER	−15B	−67N	+77B	+76N	−26B	=35N	=46B	3.0	18.0	18.5	4.75	1852	-13.8
49	Uyar, Levin	1953	GER	F	=44B	=57N	=35N	−46B	+72B	=41N	3.0	16.5	16.5	7.50	1648	-62.0
50	Zieger, Bernd	1905	GER	−12B	−75N	=37B	−59N	=77N	+66B	+68N	3.0	15.5	16.0	6.00	1936	+4.2
51	Haselhorst, Nils	1883	GER	−18N	+29B	−26N	−17B	=58B	+70N	−33B	2.5	22.5	24.5	7.25	1878	-2.4
52	Klein, Deniz	1917	GER	−16N	=72B	+70N	=25B	=17N	−24B	−37B	2.5	22.5	24.0	7.00	1918	-2.8
53	Huang, Luca Hanson	1854	GER	+30B	−12N	=63B	−42N	=59B	=37N	F	2.5	19.5	22.0	7.75	2000	+40.8
54	Schreidl, Michael	1976	GER	+64N	−14B	−9N	=57B	−62N	+69B	F	2.5	19.5	21.5	5.75	1944	-10.9
55	Dieter, Juergen, Dr.	1910	GER	−8B	=46N	=72B	=67N	=35B	=61N	−36B	2.5	19.5	21.0	6.25	1766	-47.2
56	Vinogradov, Ilia	1870	GER	+75B	−8N	−22B	=36N	−60B	−58N	+67B	2.5	19.5	20.5	4.75	1918	+12.0
57	Wagener, Nicolas	1801	GER	=63B	−13N	=49B	=54N	=65B	=59N	−31B	2.5	18.5	20.5	6.25	1896	+28.0
58	Spiegelberg, Silvia	1978	GER	−7N	−62B	−68N	+70B	=51N	+56B	−39N	2.5	18.0	20.0	5.75	1811	-32.6
59	Faulhaber, Tobias	1923	GER	−23N	=70B	−44N	+50B	=53N	=57B	−61B	2.5	17.5	19.5	6.50	1825	-17.6
60	Diller, Peter	1958	GER	F	+61B	=45N	−64B	+56N	−34N	−35B	2.5	17.5	17.5	6.50	1928	-7.0
61	Avdagic, Alan	1828	GER	−42B	−60N	F	−33B	+66N	=55B	+59N	2.5	16.0	16.0	5.75	1899	+20.4
62	Kappelmann, Florian	1872	GER	−11B	+58N	=42B	−63N	+54B	F	F	2.5	15.0	15.0	6.50	2050	+22.6
63	Paeslack, Luis	2070	GER	=57N	=47B	=53N	+62B	−28B	F	F	2.5	14.5	14.5	6.50	1946	-15.4
64	Lupor, AndreFM	2257	GER	−54B	+71N	=27B	+60N	F	F	F	2.5	14.0	14.0	6.50	2060	-17.6
65	Gerhardt, Pascal	1903	GER	−14N	=17B	−38N	+74B	=57N	−45B	−47N	2.0	21.0	22.5	5.00	1844	-12.0
66	Bopp, Sven	1889	GER	−4B	−27N	=71B	=37N	−61B	−50N	+78B	2.0	20.5	20.5	2.75	1697	-27.4
67	Dabrowski, Roman, Dr.	1810	GER	−26N	+48B	−32N	=55B	−29N	=68B	−56N	2.0	19.5	21.5	5.25	1799	-6.4
68	Graef, Aaron	1899	GER	F	−30N	+58B	=72N	−36B	=67N	−50B	2.0	16.0	16.0	4.25	1805	-12.6
69	Huener, Timo	1761	GER	=38N	−25B	F	=71N	=73B	−54N	=70B	2.0	15.5	15.5	4.50	1820	+12.0
70	Weidemann, Max	1678	GER	−40B	=59N	−52B	−58N	+74N	−51B	=69N	2.0	15.0	16.5	3.75	1760	+22.4
71	Fischermann, Simon	1907	GER	F	−64B	=66N	=69B	+78N	F	F	2.0	6.5	6.5	2.00	1845	-13.6
72	Beljith, Advaith	0	GER	−34B	=52N	=55N	=68B	−37B	−49N	−74B	1.5	17.0	18.5	3.50	1717	0.0
73	Pauls, Florian	1908	GER	−10N	−24B	−29N	+77B	=69N	F	F	1.5	15.5	15.5	1.50	1861	-16.4
74	Koehler, Gernot, Dr.	1925	GER	−28B	=76N	−46B	−65N	−70B	F	+72N	1.5	13.5	13.5	2.00	1499	-48.4
75	Henrich, ThomasFM	2140	GER	−56N	+50B	−47N	−39B	F	F	F	1.0	12.0	12.0	3.00	1714	-43.2
76	Link, Justus	1828	GER	−45N	=74B	=33N	−48B	F	F	F	1.0	11.0	11.0	2.50	1781	-4.8
77	Mallmann, Bernd	1871	GER	−9N	−36B	−48N	−73N	=50B	F	F	0.5	16.0	16.0	1.50	1606	-27.0
78	Birinci, Mirac	0	GER	F	−4N	−34B	−31N	−71B	F	−66N	0.0	17.0	17.0	0.00	1189	0.0
79	Botschek, Marius	1812	GER	−22B	F	F	F	F	F	F	0.0	4.0	4.0	0.00	1275	-7.2

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Didas, FynnGER
+95.6
3.0 pts · #35
2Classen, MarninGER
+77.6
3.0 pts · #41
3Hoppstaedter, DanielFMGER
+68.4
4.5 pts · #16

Top rating losers

1Uyar, LevinGER
-62.0
3.0 pts · #69
2Koehler, Gernot, Dr.GER
-48.4
1.5 pts · #76
3Dieter, Juergen, Dr.GER
-47.2
2.5 pts · #64

Biggest upsets

R4+468 Elo gap
Didas, Fynn1609 beat Riabtsev, Ivan2077
R2+459 Elo gap
Didas, Fynn1609 beat Lambert, Andreas2068
R2+311 Elo gap
FMHoppstaedter, Daniel2146 beat GMPoetsch, Hagen2457