Landeseinzelmeisterschaft Senioren Brandenburg 2026

Open SwissStandard

34 players participated in this 7-round tournament, held from 23 Feb 2026 to 27 Feb 2026 in Trebbin, Germany. 1 titled players. Top 10 Elo average was 2058, and top seed was Ralf Schoene (🇩🇪 GER, IM, 2219).

Gerhard, Dr. Koehler (🇩🇪 GER, 2135) won with 5.5/7, ahead of Detlev Kuhne (5.5) and Erik Allgaier (4.5). Koehler shared the lead from round 6, winning on tie-break.

The biggest upset came in round 5: Boerje Pontus Persson (1566) beat Uwe Seigerschmidt (1834), a +268-point gap.

Location

🇩🇪Trebbin, Germany

Dates

23 Feb 2026 → 27 Feb 2026

Time control

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

System

Swiss · 7 rounds

Top seed

🇩🇪IMRalf Schoene2219

Avg top 10

2,058

Participants

Titled players · 1

IM×1

Federations · 1 represented

🇩🇪Germany×33

Top 3

🥇
Gerhard, Dr. Koehler
🇩🇪GER·2135
5.5pts·2201perf+10.2
🥈
Detlev Kuhne
🇩🇪GER·2021
5.5pts·2244perf+38.6
🥉
Erik Allgaier
🇩🇪GER·1914
4.5pts·2110perf+31.2

How it unfolded

Top 6 · 7 rounds

Tight race until R7; 2 players tied at 5.5/7, decided on Buchholz.

Co-leaders

Koehler5.5Kuhne5.5Witte4.5Erlach4.5Ellenberg4.5Schoene4.5

R7 · TIEBREAK CLUSTER

2 players finish on 5.5/7. Koehler takes the title on Buchholz Cut1 (26.0).

R3 · HEAD-TO-HEAD · WINNER VS 2ND

Gerhard, Dr. Koehler lost to Detlev Kuhne (White).

WIN STREAKS · 2 top finishers

Gerhard, Dr. Koehler 3 wins (R4–R6)Detlev Kuhne 4 wins (R1–R4)

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1Gerhard, Dr. Koehler	*	0	—	½
2Detlev Kuhne	1	*	—	½
3Ronald Witte	—	—	*	—
4Olaf Erlach	½	½	—	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	R6	R7	Pts	Bu C1	Bu	SB	Perf	Δ
1	Koehler, Gerhard, Dr.	2135	GER	+15B	+18N	−2B	+10N	+9B	+3B	=5N	5.5	26.0	29.5	21.75	2201	+10.2
2	Kuhne, Detlev	2021	GER	+26N	+22B	+1N	+9B	=3N	=5B	=4N	5.5	26.0	29.0	22.25	2244	+38.6
3	Allgaier, Erik	1914	GER	+28N	+5B	=4N	+16B	=2B	−1N	=6N	4.5	28.0	30.5	17.75	2110	+31.2
4	Schoene, RalfIM	2219	GER	+14N	=6B	=3B	=17N	=13B	+10N	=2B	4.5	26.5	30.0	19.00	2045	-13.2
5	Erlach, Olaf	2036	GER	+21B	−3N	=15B	+11B	+22N	=2N	=1B	4.5	26.5	29.5	17.75	2032	+0.6
6	Witte, Ronald	1980	GER	+8B	=4N	=7B	=24N	=10B	+16N	=3B	4.5	25.5	28.5	18.25	2087	+20.6
7	Ellenberg, Ekkehard	2052	GER	+31N	=16B	=6N	=22B	=17B	=14N	+19B	4.5	22.0	24.0	14.75	2004	-7.6
8	Bochow, Sven	1786	GER	−6N	−11B	+28N	+27B	+31N	=12B	+17N	4.5	21.0	23.0	12.50	1923	+18.2
9	Heid, Michael	2055	GER	+25B	+13N	+24B	−2N	−1N	=17B	=11N	4.0	25.5	28.5	13.75	2025	-4.6
10	Riekenbrauk, Joerg	1925	GER	=32N	+14B	+12N	−1B	=6N	−4B	+23N	4.0	25.5	27.5	14.25	1999	+14.0
11	Berndt, Michael, Dr.	1850	GER	−24B	+8N	+18B	−5N	+15B	=13N	=9B	4.0	24.0	27.0	15.50	2016	+30.8
12	Nowka, Oliver	2014	GER	+30B	=19N	−10B	=15N	+18B	=8N	=13B	4.0	23.0	25.5	13.75	1938	-13.0
13	Scharrer, Udo	1970	GER	+29N	−9B	=23N	+31B	=4N	=11B	=12N	4.0	22.0	24.0	12.25	1982	+2.8
14	Scheide, Helmut	1856	GER	−4B	−10N	+34B	+33N	+19B	=7B	=15N	4.0	21.5	21.5	9.00	1937	+11.4
15	Dietz, Klaus-Detlef	1853	GER	−1N	+32B	=5N	=12B	−11N	+30B	=14B	3.5	24.5	26.5	10.75	1909	+9.6
16	Ketelhoehn, Bernd	1924	GER	+20B	=7N	+19B	−3N	=24B	−6B	=18N	3.5	24.0	27.0	12.50	1921	+1.2
17	Koenig, Frank	1932	GER	+33B	−24N	+21B	=4B	=7N	=9N	−8B	3.5	24.0	25.5	11.50	1960	+4.8
18	Hehn, Hartmut	1990	GER	+23N	−1B	−11N	+29B	−12N	+20B	=16B	3.5	23.5	26.0	10.75	1865	-20.6
19	Krneta, Slavko	1874	GER	+27N	=12B	−16N	+23B	−14N	+22B	−7N	3.5	22.0	24.5	10.50	1866	-2.4
20	Persson, Boerje Pontus	1566	GER	−16N	+26B	−22N	=25N	+21B	−18N	+32B	3.5	19.5	21.5	10.00	1851	+46.0
21	Seigerschmidt, Uwe	1834	GER	−5N	+28B	−17N	=32B	−20N	+29B	+27N	3.5	19.0	21.0	8.50	1640	-25.6
22	Tornow, Michael	1906	GER	+34B	−2N	+20B	=7N	−5B	−19N	=25B	3.0	24.5	24.5	7.25	1774	-19.4
23	Kaesemann, Holger, Dr.	1786	GER	−18B	+34N	=13B	−19N	=25B	+32N	−10B	3.0	20.0	20.0	5.50	1751	-5.8
24	Pfitzer, Norbert, Prof. Dr.	2073	GER	+11N	+17B	−9N	=6B	=16N	F	F	3.0	19.5	19.5	11.50	2020	-6.6
25	Beator, Juergen	1843	GER	−9N	=29B	=32N	=20B	=23N	=27B	=22N	3.0	18.5	20.5	8.25	1730	-36.4
26	Doil, Juergen	1832	GER	−2B	−20N	=27N	−30B	+34B	=33N	+31N	3.0	17.5	17.5	4.00	1640	-50.4
27	Zaretzke, Andreas	0	GER	−19B	=30N	=26B	−8N	+33B	=25N	−21B	2.5	20.0	21.5	5.75	1710	0.0
28	Mummert, Rene	0	GER	−3B	−21N	−8B	+34N	=29N	=31B	=30N	2.5	19.5	19.5	3.50	1632	0.0
29	Gaedicke, Volker	1760	GER	−13B	=25N	=33B	−18N	=28B	−21N	+34N	2.5	18.0	18.0	3.50	1627	-16.2
30	Krafzik, Roland	1818	GER	−12N	=27B	−31N	+26N	=32B	−15N	=28B	2.5	17.5	19.5	6.50	1689	-17.4
31	Zumbrink, Wolfgang	1840	GER	−7B	=33N	+30B	−13N	−8B	=28N	−26B	2.0	21.0	22.5	4.50	1667	-54.4
32	Heid, Magdalene	1652	GER	=10B	−15N	=25B	=21N	=30N	−23B	−20N	2.0	20.5	23.0	6.50	1645	-2.8
33	Metzdorf, Fred	1700	GER	−17N	=31B	=29N	−14B	−27N	=26B	F	1.5	17.5	17.5	3.75	1695	-2.0
34	FIDE 533076324	0	—	−22N	−23B	−14N	−28B	−26N	F	−29B	0.0	18.0	18.0	0.00	1028	0.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Persson, Boerje PontusGER
+46.0
3.5 pts · #12
2Kuhne, DetlevGER
+38.6
5.5 pts · #2
3Allgaier, ErikGER
+31.2
4.5 pts · #16

Top rating losers

1Zumbrink, WolfgangGER
-54.4
2.0 pts · #29
2Doil, JuergenGER
-50.4
3.0 pts · #27
3Beator, JuergenGER
-36.4
3.0 pts · #23

Biggest upsets

R5+268 Elo gap
Persson, Boerje Pontus1566 beat Seigerschmidt, Uwe1834
R2+266 Elo gap
Persson, Boerje Pontus1566 beat Doil, Juergen1832
R7+146 Elo gap
Bochow, Sven1786 beat Koenig, Frank1932