TOBOL Chess Open 2026 A-Open

SwissStandard

65 players participated in this 5-round tournament, held from 13 Mar 2026 to 15 Mar 2026 in Leinefelde-Worbis, Germany. 9 titled players from 5 federations. Top 10 Elo average was 2209, and top seed was Hagen Poetsch (🇩🇪 GER, GM, 2455).

Hagen Poetsch (🇩🇪 GER, GM, 2455) won with 4.5/5, ahead of Jakob Noennig (4.5) and Tom Decuigniere (4.5). Poetsch shared the lead from round 1, winning on tie-break.

The biggest upset came in round 1: Bastian Cress (1815) beat Mathias Philipp (CM, 2143), a +328-point gap.

Location

🇩🇪Leinefelde-Worbis, Germany

Dates

13 Mar 2026 → 15 Mar 2026

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 · 5 rounds

Top seed

🇩🇪GMHagen Poetsch2455

Avg top 10

2,209

Participants

Titled players · 9

GM×1

IM×1

FM×3

CM×2

WFM×1

WCM×1

Federations · 5 represented

🇩🇪Germany×60

🇫🇷France×2

🇹🇷Turkiye×1

🇭🇷Croatia×1

🇳🇱Netherlands×1

Top 3

🥇
GMHagen Poetsch
🇩🇪GER·2455
4.5pts·2477perf+1.1
🥈
Jakob Noennig
🇩🇪GER·2063
4.5pts·2413perf+73.2
🥉
IMTom Decuigniere
🇫🇷FRA·2410
4.5pts·2439perf+1.2

How it unfolded

Top 6 · 5 rounds

Tight race until R5; 3 players tied at 4.5/5, decided on Buchholz. Title race narrowed from 2 co-leaders at R4 to 3 at the finish.

Co-leaders

Decuigniere4.5Poetsch4.5Noennig4.5Ruegert4Sauer4Ivekovic4

R5 · TIEBREAK CLUSTER

3 players finish on 4.5/5. Poetsch takes the title on Buchholz Cut1 (15.0).

WIN STREAKS · 3 top finishers

IM Tom Decuigniere 3 wins (R1–R3)GM Hagen Poetsch 4 wins (R1–R4)Jakob Noennig 4 wins (R1–R4)

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1IMTom Decuigniere	*	—	—	—
2GMHagen Poetsch	—	*	½	—
3Jakob Noennig	—	½	*	—
4Jonathan Ruegert	—	—	—	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	Pts	Bu C1	Bu	SB	Perf	Δ
1	Poetsch, HagenGM	2455	GER	+30N	+13B	+5N	+9B	=2N	4.5	15.0	17.5	15.25	2477	+1.1
2	Noennig, Jakob	2063	GER	+17N	+40B	+8N	+28B	=1B	4.5	13.5	15.5	13.25	2413	+73.2
3	Decuigniere, TomIM	2410	FRA	+38B	+16N	+14B	=4N	+22B	4.5	13.0	15.0	13.00	2439	+1.2
4	Sauer, TimCM	2127	GER	+51N	+23B	+7N	=3B	=9N	4.0	15.0	16.5	12.50	2353	+56.0
5	Aepfler, ChristianFM	2120	GER	+32B	+24N	−1B	+13N	+18B	4.0	13.5	16.0	11.50	2294	+16.8
6	Ruegert, Jonathan	2083	GER	+56B	−8N	+26B	+37N	+12B	4.0	11.5	13.0	9.50	2116	+3.8
7	Ivekovic, TihanaWFM	2092	CRO	+46B	+43N	−4B	+42N	+14B	4.0	11.0	13.0	9.00	2195	+13.4
8	Cress, Bastian	1815	GER	+15N	+6B	−2B	+21N	=20B	3.5	14.5	17.5	11.50	2222	+51.6
9	Coenen, MichaelFM	2263	GER	+25B	+37N	+18B	−1N	=4B	3.5	14.5	16.5	10.00	2238	+0.2
10	Tulchynsky, David	2048	GER	=12B	+54N	=20B	=11N	+30B	3.5	12.0	13.5	8.75	1962	-7.6
11	Ay, Furkan	1751	GER	+49N	+19B	−28N	=10B	+29N	3.5	11.5	13.0	8.75	2156	+50.0
12	Juergenpott, Maximilian	1811	GER	=10N	=29B	+23N	+19B	−6N	3.0	13.5	16.0	9.00	2056	+31.8
13	Koenigsmann, Marcus	2007	GER	+41N	−1N	+32B	−5B	+40N	3.0	13.0	15.0	6.50	2055	+3.0
14	Sieber, Bert	2120	GER	+39N	+50B	−3N	+33B	−7N	3.0	13.0	14.5	6.00	2077	-3.6
15	Philipp, MathiasCM	2143	GER	−8B	+34N	+38B	=20N	=24B	3.0	12.0	14.0	7.50	1940	-22.0
16	May, Alexander	1952	GER	+57N	−3B	=39N	+31B	=17N	3.0	12.0	13.5	6.50	1992	+3.8
17	Gandera, Moritz	1818	GER	−2B	+47N	=29N	+49B	=16B	3.0	12.0	13.5	6.25	2006	+38.8
18	Finke, Kelsie JosefineWCM	2050	GER	+35N	+53B	−9N	+40B	−5N	3.0	12.0	13.5	6.00	2025	-2.4
19	Nolte, Gerhard	1829	GER	+60B	−11N	+25B	−12N	+42B	3.0	11.5	13.0	6.50	1903	+20.4
20	Langer, Paul Georg	2031	GER	=62N	+61B	=10N	=15B	=8N	3.0	11.0	12.0	6.50	1986	-4.4
21	Ziegenfuss, Holger	2048	GER	=52N	+31B	=33N	−8B	+45N	3.0	10.5	12.0	6.50	1941	-13.0
22	Aniol, Nico	2100	GER	=31N	=52B	+51N	+45B	−3N	3.0	10.5	12.0	5.50	2045	-12.8
23	Ziegenfuss, Larissa	1924	GER	+59B	−4N	−12B	+50B	+39N	3.0	10.5	12.0	5.00	1878	-5.2
24	Kuehn, Viktoria	1893	GER	+64N	−5B	=50N	+44B	=15N	3.0	10.5	11.0	4.75	1956	+8.4
25	Pinnau, Hannes	1878	GER	−9N	+58B	−19N	+41B	+55N	3.0	10.0	11.5	5.00	1999	+28.4
26	Kaiser, Markus	1973	GER	=61N	+44B	−6N	=39B	+38N	3.0	10.0	11.0	5.50	1909	-14.4
27	Vergin, Marcel	1878	GER	−28B	=63N	=41B	+43N	+37B	3.0	8.5	9.0	5.25	1978	+11.8
28	Weidemann, JakobFM	2257	GER	+27N	=33B	+11B	−2N	F	2.5	13.5	13.5	7.75	2032	-18.8
29	Kuntze, Andreas	2038	GER	=34B	=12N	=17B	+53N	−11B	2.5	12.0	13.5	5.75	1710	-34.0
30	Tran, Anh Duc Kevin	1750	GER	−1B	=41N	+61B	+55B	−10N	2.5	11.5	12.5	3.50	1952	+46.8
31	Salvador, Lucie	1841	FRA	=22B	−21N	+63B	−16N	+54B	2.5	10.5	11.0	3.50	1912	+8.8
32	Hanisch, Rene	0	GER	−5N	+64B	−13N	=48B	+50N	2.5	10.5	11.0	3.00	1875	0.0
33	Gast, Rainer	1950	GER	+63B	=28N	=21B	−14N	=53B	2.5	10.0	10.5	4.00	2040	+9.2
34	Baumann, Simon	1808	GER	=29N	−15B	−49N	+64B	+51N	2.5	8.5	9.0	3.25	1950	+34.4
35	Lotz, Arthur	1828	GER	−18B	−42N	=59B	+63N	+49N	2.5	8.0	8.5	2.75	1913	+17.2
36	Meitzner, Jonathan Franz	1876	GER	=44N	=62B	−53N	=52B	+58N	2.5	6.5	7.5	3.75	1864	-2.8
37	Koerner, Jonas	1936	GER	+58N	−9B	+52N	−6B	−27N	2.0	12.0	13.5	3.00	1884	-16.8
38	Hoke, Joshua	1791	GER	−3N	+57B	−15N	+62B	−26B	2.0	12.0	13.0	2.50	1901	+10.4
39	Bemmann, Carlo	1847	GER	−14B	+65N	=16B	=26N	−23B	2.0	12.0	12.0	3.00	1844	-1.6
40	Recknagel, Armin	1888	GER	+65B	−2N	+54B	−18N	−13B	2.0	12.0	12.0	1.50	1819	-18.0
41	Kleist, Soeren	1806	GER	−13B	=30B	=27N	−25N	+61B	2.0	11.5	12.5	3.75	1781	-7.6
42	Aniol, Adrian	1892	GER	−50N	+35B	+62N	−7B	−19N	2.0	11.0	12.0	3.50	1785	-15.0
43	Tanukusuma, Kyllian Gotthold	1799	GER	+55N	−7B	−45N	−27B	+65N	2.0	10.5	10.5	1.50	1829	+6.4
44	Feuerpfeil, Tyler Joel	1709	GER	=36B	−26N	+56B	−24N	=60B	2.0	10.0	11.5	3.50	1810	+24.8
45	Kostov, Stoyan	1920	NED	−54B	+60N	+43B	−22N	−21B	2.0	9.5	11.0	3.50	1827	-25.6
46	Deniz, Ata Goekay	1839	GER	−7N	=49B	−55N	+57B	=48N	2.0	9.0	10.5	3.25	1850	+1.2
47	Haefner, Jaime	0	GER	−48N	−17B	=57N	=61N	+62B	2.0	7.5	8.5	2.25	1714	0.0
48	Adiguzel, Eray	1799	TUR	+47B	F	F	=32N	=46B	2.0	6.5	6.5	4.25	1838	+1.0
49	Lorenz, Sebastian	1972	GER	−11B	=46N	+34B	−17N	−35B	1.5	11.5	13.5	3.50	1660	-41.6
50	Stepanjan, Tatevik Mia	1726	GER	+42B	−14N	=24B	−23N	−32B	1.5	11.5	13.5	3.50	1870	+24.8
51	Hellrung, Bernhard, Dr.	1874	GER	−4B	+59N	−22B	=54N	−34B	1.5	11.0	12.5	2.25	1618	-23.8
52	Hartwig, Eric-Jordan	1823	GER	=21B	=22N	−37B	=36N	F	1.5	10.5	10.5	4.25	1903	+6.6
53	Guerrero Gimeno, Rafael	0	GER	F	−18N	+36B	−29B	=33N	1.5	10.5	10.5	3.75	1891	0.0
54	Ni, Wilhelm Zeyin	1725	GER	+45N	−10B	−40N	=51B	−31N	1.5	10.0	11.5	2.75	1765	+8.0
55	Kleber, Alexander	2004	GER	−43B	=56N	+46B	−30N	−25B	1.5	9.5	11.0	2.75	1672	-87.2
56	Lehnert, Stefan	1845	GER	−6N	=55B	−44N	=58B	=59N	1.5	9.0	10.5	2.25	1689	-16.4
57	Keleti, Hugo	1743	GER	−16B	−38N	=47B	−46N	+63B	1.5	9.0	9.5	1.50	1636	-22.4
58	Schenkelberg, Justin	1732	GER	−37B	−25N	+65B	=56N	−36B	1.5	9.0	9.0	0.75	1680	-7.2
59	Lath, Siegfried	0	GER	−23N	−51B	=35N	=60N	=56B	1.5	8.5	10.0	2.75	1710	0.0
60	Berger, Lars	1824	GER	−19N	−45B	=64N	=59B	=44N	1.5	8.5	9.0	2.00	1602	-23.2
61	Sauer, Ben	1755	GER	=26B	−20N	−30N	=47B	−41N	1.0	10.5	12.5	2.50	1568	-33.2
62	Lindstroem, Maximilian	1812	GER	=20B	=36N	−42B	−38N	−47N	1.0	9.5	11.5	2.75	1705	-11.0
63	Hildebrand, Azat	1736	GER	−33N	=27B	−31N	−35B	−57N	0.5	10.5	12.0	1.50	1482	-50.4
64	Lueders Vega, Iago Ernst	1724	GER	−24B	−32N	=60B	−34N	F	0.5	9.5	9.5	0.75	1569	-20.8
65	Kuehn, Nicole	1613	GER	−40N	−39B	−58N	F	−43B	0.0	7.5	7.5	0.00	1016	-39.2

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Noennig, JakobGER
+73.2
4.5 pts · #3
2Sauer, TimCMGER
+56.0
4.0 pts · #5
3Cress, BastianGER
+51.6
3.5 pts · #7

Top rating losers

1Kleber, AlexanderGER
-87.2
1.5 pts · #49
2Hildebrand, AzatGER
-50.4
0.5 pts · #62
3Lorenz, SebastianGER
-41.6
1.5 pts · #52

Biggest upsets

R1+328 Elo gap
Cress, Bastian1815 beat CMPhilipp, Mathias2143
R5+287 Elo gap
Ay, Furkan1751 beat Kuntze, Andreas2038
R2+268 Elo gap
Cress, Bastian1815 beat Ruegert, Jonathan2083