Rueben-Open Leipzig 2026 Gruppe A

SwissStandard

82 players participated in this 5-round tournament, held from 12 Jun 2026 to 14 Jun 2026 in Leipzig, Germany. 8 titled players from 3 federations. Top 10 Elo average was 2277, and top seed was Jonathan Carlstedt (🇩🇪 GER, IM, 2430).

Jonathan Carlstedt (🇩🇪 GER, IM, 2430) won with 4.5/5, ahead of Arthur Herrmann (4.5) and Jan Helmer (4.0). Carlstedt shared the lead from round 1, winning on tie-break.

The biggest upset came in round 4: Lennis Huebler (1619) beat Bert Riedel (1928), a +309-point gap.

Location

🇩🇪Leipzig, Germany

Dates

12 Jun 2026 → 14 Jun 2026

Time control

Standard: 90 minutes with 30 second increment from move 1

System

Swiss · 5 rounds

Top seed

🇩🇪IMJonathan Carlstedt2430

Avg top 10

2,277

Participants

Titled players · 8

IM×2

FM×4

CM×1

WFM×1

Federations · 3 represented

🇩🇪Germany×76

🇺🇦Ukraine×1

🇸🇬Singapore×1

Top 3

🥇
IMJonathan Carlstedt
🇩🇪GER·2430
4.5pts·2483perf+2.5
🥈
Arthur Herrmann
🇩🇪GER·2127
4.5pts·2501perf+80.8
🥉
CMJan Helmer
🇩🇪GER·2213
4.0pts·2371perf+21.4

How it unfolded

Top 6 · 5 rounds

Tight race until R5; 2 players tied at 4.5/5, decided on Buchholz. Title race narrowed from 7 co-leaders at R4 to 2 at the finish.

Co-leaders

Herrmann4.5Carlstedt4.5Langrock4Siddharth4Helmer4Ringel4

R5 · TIEBREAK CLUSTER

2 players finish on 4.5/5. Carlstedt takes the title on Buchholz Cut1 (13.5).

R1–R3 · WIN STREAK

IM Jonathan Carlstedt won 3 in a row (R1–R3).

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1Arthur Herrmann	*	—	—	—
2IMJonathan Carlstedt	—	*	—	—
3IMHannes Langrock	—	—	*	1
4Sai Siddharth	—	—	0	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	Pts	Bu C1	Bu	SB	Perf	Δ
1	Carlstedt, JonathanIM	2430	GER	+25B	+22N	+19B	=3N	+12B	4.5	13.5	16.5	14.50	2483	+2.5
2	Herrmann, Arthur	2127	GER	+46N	+41B	=11N	+38N	+9B	4.5	12.0	14.0	12.25	2501	+80.8
3	Helmer, JanCM	2213	GER	+32B	+13N	+21B	=1B	=4N	4.0	15.0	18.0	13.75	2371	+21.4
4	Langrock, HannesIM	2341	GER	+56B	+7N	=10B	+14N	=3B	4.0	15.0	17.0	13.25	2315	-0.6
5	Schulz, KarstenFM	2185	GER	+50N	+23B	=18N	+72B	=15N	4.0	11.5	13.0	9.75	2274	+9.2
6	Ringel, Edward	1934	GER	+81B	−19N	+49B	+22N	+21B	4.0	11.0	11.0	8.00	2204	+56.4
7	Siddharth, Sai	2023	SGP	+82N	−4B	+46N	+47B	+20N	4.0	11.0	11.0	7.00	2294	+66.0
8	Klein, Timon	2055	GER	=62B	=45N	+48N	+23B	+17N	4.0	10.0	11.5	9.75	2223	+34.4
9	Englert, LucaFM	2301	GER	+37N	+31B	=20N	+18B	−2N	3.5	13.5	16.0	10.00	2204	-9.6
10	Aepfler, ChristianFM	2130	GER	+51N	+24B	=4N	=17B	=16N	3.5	13.5	15.5	10.25	2178	+9.4
11	Heinke, Jasper	2053	GER	+52B	+49N	=2B	−12N	+34B	3.5	12.5	14.5	8.75	2159	+10.8
12	Strache, Michael	2263	GER	+55N	=48B	+71N	+11B	−1N	3.5	12.0	13.5	8.00	2199	-3.6
13	Czeisz, Luca	1967	GER	+35N	−3B	+54N	+68B	=33N	3.5	11.5	13.0	7.50	2119	+15.4
14	Reitemann, Jonathan	2067	GER	+69N	+80B	=17N	−4B	+37N	3.5	11.0	11.0	5.50	2199	+13.2
15	Fischer, Edwin	2213	GER	=45B	+62N	+63N	=20B	=5B	3.5	10.5	12.0	7.50	2192	-1.2
16	Hagenbeck-Huebert, Ben	1994	GER	=65B	=68N	+45B	+25N	=10B	3.5	10.0	11.5	8.25	2102	+14.8
17	Schuetze, Norman	2229	GER	+47B	+28N	=14B	=10N	−8B	3.0	14.0	16.0	8.50	2105	-14.8
18	von Zimmermann, Georg	2102	GER	+40B	+26N	=5B	−9N	=30B	3.0	13.5	16.0	9.00	2144	+6.0
19	Grosse, Christian	2047	GER	+54N	+6B	−1N	=30B	=72N	3.0	13.5	15.0	8.25	2129	+9.4
20	Schletter, Felix	2140	GER	+66B	+36N	=9B	=15N	−7B	3.0	13.5	15.0	7.50	2088	-3.0
21	Helm, Timo	2105	GER	+57N	+64B	−3N	+28B	−6N	3.0	13.0	14.5	6.50	1994	-11.0
22	Heutling, Elina	2026	GER	+78N	−1B	+55N	−6B	+47N	3.0	12.5	13.0	4.50	2084	+5.4
23	FIDE 12977217	0	—	+79B	−5N	+52B	−8N	+53B	3.0	12.0	12.0	4.00	1936	0.0
24	Frischmann, Lucas	1804	GER	+43B	−10N	=29B	=44N	+63B	3.0	11.5	13.0	6.75	2082	+35.8
25	Simon, Tessa	1888	GER	−1N	+67B	+80N	−16B	+51N	3.0	11.5	11.5	3.50	1969	+6.2
26	Grozea, Filip	1960	GER	+53N	−18B	+64N	=39B	=27N	3.0	10.5	12.0	6.25	2020	+9.8
27	Carnot, Luca	2058	GER	−34B	+40N	=50B	+58N	=26B	3.0	10.0	12.0	7.00	1959	-10.8
28	Celik, Abdullah	1999	GER	+75N	−17B	+51N	−21N	+50B	3.0	10.0	10.5	4.50	2047	+6.8
29	Bennemann, Ingmar	1975	GER	−64N	+69B	=24N	+35B	=39N	3.0	9.5	11.0	6.75	1910	-7.2
30	Borkhardt, Arndt	1989	GER	−71B	+57N	+66B	=19N	=18N	3.0	9.5	11.0	6.50	1903	-7.8
31	Helmbrecht, Paul	1934	GER	+74B	−9N	−47B	+52N	+45B	3.0	9.5	10.5	5.00	2080	+18.0
32	Kornienko, Roman	1780	UKR	−3N	−35B	+75N	+77B	+48N	3.0	9.0	9.5	3.00	2123	+49.6
33	Pruefer, Friedbert, Prof. Dr.	2187	GER	+76B	=34N	F	+36N	=13B	3.0	9.0	9.0	6.00	2081	-7.8
34	Hoeppner, Max	1929	GER	+27N	=33B	=39N	=42B	−11N	2.5	12.0	14.5	7.00	2081	+39.2
35	Ilori, Oluwadamilola	0	GER	−13B	+32N	=36B	−29N	+66B	2.5	12.0	13.5	5.75	1838	0.0
36	Freitag, Peter	1803	GER	+59N	−20B	=35N	−33B	+67N	2.5	10.5	12.0	4.75	1959	+26.0
37	Kuhn, Udo	1971	GER	−9B	+74N	=58B	+63N	−14B	2.5	10.5	11.5	3.50	1990	+2.2
38	Stein, RobertFM	2405	GER	+60N	=63B	+42N	−2B	F	2.5	10.5	10.5	5.25	2132	-10.9
39	Schindler, Christian	2133	GER	+67N	F	=34B	=26N	=29B	2.5	10.0	10.0	5.75	2016	-11.2
40	Kaemmerer, Leon	1923	GER	−18N	−27B	+79N	=59B	+64N	2.5	9.5	9.5	2.50	1892	-4.0
41	Heppert, Lars	1969	GER	+70B	−2N	−68B	=62N	+65B	2.5	9.0	10.5	3.75	1902	-8.6
42	Huth, Kevin	1973	GER	F	+65N	−38B	=34N	+55B	2.5	8.5	8.5	4.75	2133	+14.4
43	Sedlmayr, David	2005	GER	−24N	−51B	=65B	+76N	+62B	2.5	8.0	8.5	2.75	1857	-19.4
44	Wehr, Stephan	1932	GER	−49B	+76N	F	=24B	+46N	2.5	7.5	7.5	4.00	2142	+29.6
45	Kaase, Julian	1984	GER	=15N	=8B	−16N	+61B	−31N	2.0	14.0	16.0	5.75	1911	-9.8
46	Homberger, Jan	1949	GER	−2B	+70N	−7B	+49N	−44B	2.0	13.0	14.5	3.50	1758	-19.6
47	Li, Joshua	1912	GER	−17N	+75B	+31N	−7N	−22B	2.0	13.0	13.5	3.50	1931	+2.4
48	Zitzelsberger, Philipp	2010	GER	+73B	=12N	−8B	=50N	−32B	2.0	12.5	13.5	3.75	1901	-15.0
49	FIDE 533078351	0	—	+44N	−11B	−6N	−46B	+78N	2.0	12.0	12.5	3.00	1880	0.0
50	Koelpin, Arvid	1959	GER	−5B	+79N	=27N	=48B	−28N	2.0	12.0	12.0	2.50	1935	-3.4
51	Grabowski, Joshua	1776	GER	−10B	+43N	−28B	+80N	−25B	2.0	12.0	12.0	2.50	1813	+4.4
52	Kalkhof, Sandra	1935	GER	−11N	+60B	−23N	−31B	+77N	2.0	11.5	12.0	2.50	1844	-7.2
53	Huebler, Lennis	1619	GER	−26B	−58N	+57B	+82B	−23N	2.0	10.0	10.0	2.00	1726	+12.0
54	Ullrich, Jan	1886	GER	−19B	+81N	−13B	=70N	=58B	2.0	10.0	10.0	1.75	1781	-14.2
55	Just, Anita, Dr.WFM	1895	GER	−12B	+82N	−22B	+73N	−42N	2.0	10.0	10.0	1.00	1928	+2.4
56	Bendel, Ralf	1922	GER	−4N	=61B	=73N	=67B	=59N	2.0	9.5	10.5	3.25	1800	-18.4
57	FIDE 16277120	0	—	−21B	−30B	−53N	+75B	+70N	2.0	9.5	10.0	2.00	1776	0.0
58	Elsayed Esam, Sally	1664	GER	F	+53B	=37N	−27B	=54N	2.0	9.5	9.5	4.25	1884	+40.0
59	Keleti, Hugo	1689	GER	−36B	−66N	+76B	=40N	=56B	2.0	8.5	9.0	2.75	1761	+17.2
60	Seitz, Manuel	1919	GER	−38B	−52N	+74B	=65N	=71B	2.0	7.5	8.5	2.50	1911	-3.8
61	Rudolph, Simon	1721	GER	−63B	=56N	=62B	−45N	+79B	2.0	7.0	7.0	1.75	1847	+29.6
62	Haensel, Mathias	1896	GER	=8N	−15B	=61N	=41B	−43N	1.5	12.5	14.5	4.25	1844	-8.0
63	Hoffmann, Lennard	2010	GER	+61N	=38N	−15B	−37B	−24N	1.5	11.5	13.5	3.25	1874	-19.4
64	Schneider, Leonard	1829	GER	+29B	−21N	−26B	=66N	−40B	1.5	11.5	13.0	3.75	1776	-15.2
65	Groth, Kevin	1955	GER	=16N	−42B	=43N	=60B	−41N	1.5	11.0	13.0	4.00	1823	-35.2
66	Roessler, Leo	1664	GER	−20N	+59B	−30N	=64B	−35N	1.5	10.5	12.0	2.75	1806	+21.6
67	Alvanos, Athanasios, Dr.	1819	GER	−39B	−25N	+81B	=56N	−36B	1.5	10.0	10.0	1.00	1773	-7.2
68	Schuster, Rebekka	1808	GER	F	=16B	+41N	−13N	F	1.5	9.5	9.5	4.25	1977	+13.2
69	Glotz, Richard	1875	GER	−14B	−29N	−70B	+81N	=73B	1.5	9.0	9.0	0.50	1739	-36.4
70	Pilz, Tobias	1723	GER	−41N	−46B	+69N	=54B	−57B	1.5	8.5	10.0	2.50	1833	+10.4
71	Gerhardt, Dirk	1799	GER	+30N	F	−12B	F	=60N	1.5	8.5	8.5	4.00	2036	+16.6
72	Eilert, Andre	2048	GER	F	+77B	F	−5N	=19B	1.5	7.5	7.5	2.00	1923	-6.4
73	Heppt, Daniel	1810	GER	−48N	F	=56B	−55B	=69N	1.0	7.5	7.5	1.75	1733	-15.2
74	Stumbries, Lars	1906	GER	−31N	−37B	−60N	F	+80B	1.0	7.5	7.5	0.00	1141	-27.0
75	Simmank, Robert	1805	GER	−28B	−47N	−32B	−57N	=76B	0.5	10.0	10.5	0.25	1564	-21.2
76	Roessler, Frank-Peter	1853	GER	−33N	−44B	−59N	−43B	=75N	0.5	10.0	10.5	0.25	1558	-32.0
77	FIDE 533081670	0	—	F	−72N	=78B	−32N	−52B	0.5	7.0	7.0	0.25	1592	0.0
78	Ziese, Gerhard	1893	GER	−22B	F	=77N	F	−49B	0.5	5.5	5.5	0.25	1226	-6.4
79	Konradt, Michael	1784	GER	−23N	−50B	−40B	F	−61N	0.0	9.5	10.5	0.00	1068	-23.4
80	Asch, Christian	0	GER	F	−14N	−25B	−51B	−74N	0.0	9.5	9.5	0.00	1109	0.0
81	Just, Joachim	1865	GER	−6N	−54B	−67N	−69B	F	0.0	9.0	9.0	0.00	1079	-38.4
82	Riedel, Bert	1928	GER	−7B	−55B	F	−53N	F	0.0	8.0	8.0	0.00	1046	-35.6

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Herrmann, ArthurGER
+80.8
4.5 pts · #1
2Siddharth, SaiSGP
+66.0
4.0 pts · #4
3Ringel, EdwardGER
+56.4
4.0 pts · #11

Top rating losers

1Just, JoachimGER
-38.4
0.0 pts · #78
2Glotz, RichardGER
-36.4
1.5 pts · #60
3Riedel, BertGER
-35.6
0.0 pts · #81

Biggest upsets

R4+309 Elo gap
Huebler, Lennis1619 beat Riedel, Bert1928
R4+278 Elo gap
Herrmann, Arthur2127 beat FMStein, Robert2405
R5+230 Elo gap
Kornienko, Roman1780 beat Zitzelsberger, Philipp2010