Bezirkseinzelmeisterschaft SBOO 2025

Open SwissStandard

58 players participated in this 5-round tournament, held from 19 Sept 2025 to 21 Sept 2025 in Vechta, Germany. 1 titled players. Top 10 Elo average was 2055, and top seed was Sebastian Mueer (🇩🇪 GER, 2183).

Tom Peters (🇩🇪 GER, 2175) won with 4.5/5, ahead of Felix Gerlach (4.5) and Sebastian Mueer (4.0). Peters shared the lead from round 1, winning on tie-break.

The biggest upset came in round 4: Volodymyr Ishcenko (1586) beat Arthur Mellinghoff (1815), a +229-point gap.

Location

🇩🇪Vechta, Germany

Dates

19 Sept 2025 → 21 Sept 2025

Time control

Standard: 90 minutes with 30 second increment from move 1

System

Swiss · 5 rounds

Top seed

🇩🇪Sebastian Mueer2183

Avg top 10

2,055

Participants

Titled players · 1

FM×1

Federations · 1 represented

🇩🇪Germany×56

Top 3

🥇
Tom Peters
🇩🇪GER·2175
4.5pts·2336perf+15.8
🥈
Felix Gerlach
🇩🇪GER·2122
4.5pts·2287perf+16.0
🥉
Sebastian Mueer
🇩🇪GER·2183
4.0pts·2200perf+3.6

How it unfolded

Top 6 · 5 rounds

Tight race until R5; 2 players tied at 4.5/5, decided on Buchholz.

Co-leaders

Gerlach4.5Peters4.5Mueer4Schork4Aden4Aden3.5

R5 · TIEBREAK CLUSTER

2 players finish on 4.5/5. Peters takes the title on Buchholz Cut1 (13.0).

R1–R4 · WIN STREAK

Tom Peters won 4 in a row (R1–R4).

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1Felix Gerlach	*	—	—	—
2Tom Peters	—	*	½	—
3Sebastian Mueer	—	½	*	—
4Stefan Schork	—	—	—	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	Pts	Bu C1	Bu	SB	Perf	Δ
1	Peters, Tom	2175	GER	+36B	+11N	+27B	+14N	=3B	4.5	13.0	15.0	13.00	2336	+15.8
2	Gerlach, Felix	2122	GER	+54N	+38B	=7N	+15B	+6N	4.5	12.0	13.0	11.25	2287	+16.0
3	Mueer, Sebastian	2183	GER	+37N	+9B	=15N	+7B	=1N	4.0	14.5	16.5	12.75	2200	+3.6
4	Aden, Keno	1879	GER	=49B	+26N	=8B	+18N	+14B	4.0	12.0	13.5	11.00	1944	+7.6
5	Schork, Stefan	2111	GER	+34B	−10N	+52B	+12B	+17N	4.0	12.0	13.0	9.50	2067	-2.8
6	Aden, Tammo	2097	GER	+45N	+16B	=12N	+29B	−2B	3.5	13.5	15.0	8.75	2028	-5.6
7	Dopychai, Reent	1956	GER	+24B	+50N	=2B	−3N	+32B	3.5	13.5	15.0	8.75	2054	+10.4
8	Hans, Julian	1972	GER	+46N	=29B	=4N	+16B	=9N	3.5	13.0	14.5	9.50	1969	+0.6
9	Shynkar, Daria	1922	GER	+30B	−3N	+47B	+24N	=8B	3.5	12.5	14.0	8.25	1928	+5.6
10	de Vries, Carsten	1913	GER	+41N	+5B	−14N	+33B	=15N	3.5	12.0	14.0	9.50	1994	+10.8
11	Eitel, Luc	1927	GER	+42N	−1B	=23N	+46B	+22N	3.5	11.5	13.0	7.25	1888	-2.0
12	Ritter, Uwe	1933	GER	+39B	+35N	=6B	−5N	+48B	3.5	11.5	13.0	7.25	1967	+5.8
13	Dimke, Markus, Dr.	1957	GER	=22N	+33B	−29N	+35B	+28N	3.5	9.5	11.5	7.75	1842	-10.6
14	Tarasenko, Nazar	2005	GER	+52B	+21N	+10B	−1B	−4N	3.0	15.0	16.0	7.50	1960	-10.4
15	Becker, Maja-Maria	1965	GER	+47B	+31N	=3B	−2N	=10B	3.0	14.5	16.0	7.75	2009	+14.4
16	Aden, Dagmar	1839	GER	+20B	−6N	+30B	−8N	+41B	3.0	12.5	14.5	7.50	1766	-5.4
17	Bundan, EdwardFM	1939	GER	+53N	=23B	=25N	+43B	−5B	3.0	11.0	12.0	5.50	1900	-4.8
18	Schaefer, Immanuel	0	GER	−23N	+53B	+26N	−4B	+37N	3.0	11.0	12.0	5.50	1718	0.0
19	Weber, Pepe Clemenz	0	GER	−35B	+39N	+34B	−28N	+36B	3.0	8.5	10.5	6.00	1717	0.0
20	Stremel, Danill	0	GER	−16N	−45B	+54N	+47N	+34B	3.0	8.0	9.0	4.50	1719	0.0
21	Pallapies, Kilian	1872	GER	+55N	−14B	+45N	+25B	F	3.0	8.0	8.0	5.00	1968	+12.2
22	Ishcenko, Volodymyr	1586	GER	=13B	=28N	=50B	+31N	−11B	2.5	12.0	13.5	6.25	1860	+64.4
23	Klausmeier, Achim	1749	GER	+18B	=17N	=11B	=27N	F	2.5	12.0	12.0	7.50	1942	+14.8
24	Schwab, Jason	0	GER	−7N	+51B	+38N	−9B	=25N	2.5	11.5	13.0	4.75	1839	0.0
25	Schermeier, Klaus Peter	1959	GER	=26B	+49N	=17B	−21N	=24B	2.5	11.0	12.5	5.50	1790	-11.4
26	Bohmann, Guido	0	GER	=25N	−4B	−18B	+55N	+45N	2.5	11.0	12.0	3.75	1762	0.0
27	Riedel, Guenter	1960	GER	+40N	+43B	−1N	=23B	F	2.5	11.0	11.0	5.25	1933	-2.0
28	Sviridov, Vitaliy	1850	GER	=48N	=22B	=46N	+19B	−13B	2.5	10.5	12.0	5.75	1608	-18.4
29	Koehler, Wilhelm	1803	GER	+57B	=8N	+13B	−6N	F	2.5	10.5	10.5	5.25	2009	+15.6
30	Meinecke, Fabian	1509	GER	−9N	+37B	−16N	=45B	+46N	2.5	10.0	11.5	4.25	1752	+57.6
31	Mellinghoff, Arthur	1815	GER	+56N	−15B	=40N	−22B	+33N	2.5	9.5	10.5	4.00	1462	-52.0
32	Lehner, Hendrik Elias	1783	GER	−33N	=48B	+49N	+40B	−7N	2.5	9.0	10.5	4.25	1818	+8.0
33	Graessner, Karl	0	GER	+32B	−13N	+36B	−10N	−31B	2.0	12.0	14.0	4.50	1759	0.0
34	Janulis, Vykintas	1668	GER	−5N	+41B	−19N	+42B	−20N	2.0	12.0	14.0	4.00	1813	+18.8
35	Koronowski, Heinz-Juergen	1747	GER	+19N	−12B	=48N	−13N	=40B	2.0	12.0	13.5	4.75	1575	-12.4
36	Wachtel, Edwin	1692	GER	−1N	+42B	−33N	+53B	−19N	2.0	11.5	12.5	3.00	1841	+19.2
37	Lueders Vega, Iago Ernst	1697	GER	−3B	−30N	+55B	+44N	−18B	2.0	11.5	12.5	3.00	1566	-24.4
38	Junker, Stefan	1865	GER	+44B	−2N	−24B	+39N	F	2.0	11.0	11.0	4.00	1824	-1.2
39	Meyer, Frank	1527	GER	−12N	−19B	+51N	−38B	+56N	2.0	10.0	11.0	2.50	1096	-8.0
40	Rombusch, Andreas	1653	GER	−27B	+58N	=31B	−32N	=35N	2.0	9.5	9.5	2.25	1633	-2.6
41	Gavrylchenko, Illia	1485	GER	−10B	−34N	+58B	+52N	−16N	2.0	9.5	9.5	1.00	997	-18.0
42	Arndt, Alex	1511	GER	−11B	−36N	+57B	−34N	+52B	2.0	8.5	8.5	1.00	957	-25.2
43	Oelschlaeger, Malo	1774	GER	+58B	−27N	+44B	−17N	F	2.0	7.5	7.5	2.00	1149	-21.6
44	Buljevic, Sahim	0	GER	−38N	+54B	−43N	−37B	+53N	2.0	7.0	8.0	2.00	1638	0.0
45	Hladeniuk, Yelyzaveta	1660	GER	−6B	+20N	−21B	=30N	−26B	1.5	12.0	14.5	4.25	1541	-20.4
46	Schaefer, Amadeus	1655	GER	−8B	+57N	=28B	−11N	−30B	1.5	12.0	12.0	1.25	1493	-30.0
47	Ballmann, Werner	1653	GER	−15N	+56B	−9N	−20B	=51N	1.5	11.0	12.0	1.75	1144	-12.4
48	Koldunov, Elena	0	GER	=28B	=32N	=35B	F	−12N	1.5	10.5	12.0	3.50	1741	0.0
49	Burdielov, Illia	1470	GER	=4N	−25B	−32B	−56N	+57B	1.5	10.0	10.0	2.00	1567	+8.0
50	Stiffel, Klaus	1752	GER	+51N	−7B	=22N	F	F	1.5	9.0	9.0	2.75	1578	-18.4
51	Freyer, Colin-Joel	0	GER	−50B	−24N	−39B	+57N	=47B	1.5	7.5	7.5	0.75	1371	0.0
52	Groeneveld, Heiko, Dr.	0	GER	−14N	+55B	−5N	−41B	−42N	1.0	11.0	12.0	1.00	1475	0.0
53	Huether, Bjoern	1547	GER	−17B	−18N	+56B	−36N	−44B	1.0	10.0	11.0	1.00	1015	-15.2
54	Westerhoff, Ralf	1673	GER	−2B	−44N	−20B	+58N	F	1.0	9.5	9.5	0.00	1272	-1.6
55	Lehner, Jens	1469	GER	−21B	−52N	−37N	−26B	+58B	1.0	8.5	8.5	0.00	982	-11.6
56	Rietz, Markus	0	GER	−31B	−47N	−53N	+49B	−39B	1.0	7.5	8.5	1.50	1362	0.0
57	FIDE 16299680	0	—	−29N	−46B	−42N	−51B	−49N	0.0	7.5	9.0	0.00	810	0.0
58	FIDE 533056048	0	—	−43N	−40B	−41N	−54B	−55N	0.0	7.0	8.0	0.00	809	0.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Ishcenko, VolodymyrGER
+64.4
2.5 pts · #20
2Meinecke, FabianGER
+57.6
2.5 pts · #18
3Wachtel, EdwinGER
+19.2
2.0 pts · #29

Top rating losers

1Mellinghoff, ArthurGER
-52.0
2.5 pts · #42
2Schaefer, AmadeusGER
-30.0
1.5 pts · #45
3Arndt, AlexGER
-25.2
2.0 pts · #58

Biggest upsets

R4+229 Elo gap
Ishcenko, Volodymyr1586 beat Mellinghoff, Arthur1815
R2+198 Elo gap
de Vries, Carsten1913 beat Schork, Stefan2111
R2+188 Elo gap
Meinecke, Fabian1509 beat Lueders Vega, Iago Ernst1697