CChessStats

20. Seminarturnier Wernigerode - Harz 2025

Open SwissStandard

17 players participated in this 7-round tournament, held from 10 Aug 2025 to 16 Aug 2025 in Wernigerode, Germany. 3 federations represented. Top 10 Elo average was 1908, and top seed was Klaus Beckmann (🇩🇪 GER, 2074).

Sven Christiansmeier (🇩🇪 GER, 1972) won with 6.0/7, ahead of Robert Kolm (5.0) and Arndt Borkhardt (5.0). Christiansmeier won solo starting round 3.

The biggest upset came in round 3: Bastian Ringsdorf (1594) beat Dieter Bauer (1839), a +245-point gap.

Location
🇩🇪Wernigerode, Germany
Dates
10 Aug 2025 → 16 Aug 2025
Time control
Standard: 120 minutes for game
System
Swiss · 7 rounds
Top seed
🇩🇪Klaus Beckmann2074
Avg top 10
1,908
Participants
17
Federations · 3 represented
🇩🇪Germany×15
🇨🇭Switzerland×1
🇦🇹Austria×1
Top 3

How it unfolded

Top 6 · 7 rounds

Sven Christiansmeier led from R3; +1.0-point edge over the runner-up.

Co-leaders
6
3
1
1
1
1
1
23.55.57R1R2R3R4R5R6R7
Christiansmeier6Borkhardt5Kolm5Beckmann4.5Guttenberger4Doerfler4
R3–R7 · LEAD HELD

Sven Christiansmeier never relinquished the lead after R3; final gap +1.0 over the runner-up.

R5 · HEAD-TO-HEAD · WINNER VS 2ND

Sven Christiansmeier drew with Arndt Borkhardt (White).

R1–R4 · WIN STREAK

Sven Christiansmeier won 4 in a row (R1–R4).

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1Sven Christiansmeier*
½
1
½
2Arndt Borkhardt
½
*
½
—
3Robert Kolm
0
½
*
½
4Klaus Beckmann
½
—
½
*

Grille américaine

#PlayerEloFedR1R2R3R4R5R6R7PtsBu C1BuSBPerfΔ
1Christiansmeier, Sven1972GER+15B+16N+5B+2N=3B+8N=4B6.024.024.519.752175+29.2
2Kolm, Robert1975AUT+10N+9B=4N−1B+11N=3B+7N5.026.029.018.252057+13.4
3Borkhardt, Arndt1951GER=13N=6B+10N+9B=1N=2N+8B5.025.027.518.752079+19.4
4Beckmann, Klaus2074GER+14B=11N=2B=5N=8B+9N=1N4.525.027.016.251989-13.0
5Schreiter, Oliver1735GER+7N+13B−1N=4B−9N=6B+14B4.024.526.512.751909+21.4
6Doerfler, Christian0GER=8B=3N−13B=14N+17B=5N+10B4.020.020.510.7518180.0
7Guttenberger, Roland, Dr.0GER−5B−8N+15B+17N+13B+10N−2B4.020.020.58.0018130.0
8Paschkewitz, Stefan1901GER=6N+7B=11N+12B=4N−1B−3N3.526.529.512.751825-9.4
9Moysich, Dirk1895GER+12B−2N+16B−3N+5B−4B=13N3.524.024.58.751792-16.4
10Seelemann, Thomas1809GER−2B+15N−3B+16N+12N−7B−6N3.023.023.55.501824+1.8
11Wagner, Frank1892GER+17N=4B=8B=13N−2B=14NF3.018.018.06.751857-4.8
12Ringsdorf, Bastian, Dr.1594GER−9NF+14B−8N−10B+15B+16N3.014.514.54.501772+41.2
13Omran, Wael, Dr.1762GER=3B−5N+6N=11B−7NF=9B2.523.523.59.751781+2.8
14Bauer, Dieter1839GER−4N+17B−12N=6BF=11B−5N2.019.019.04.001628-28.0
15Baumann, Wolfgang1776GER−1N−10B−7NF+16B−12N+17B2.017.017.01.001548-23.6
16Mordasini, Gessinah0SUIF−1B−9N−10B−15N=17N−12B0.518.018.00.2513720.0
17Strauss, Ulrich1590GER−11B−14NF−7B−6N=16B−15N0.515.515.50.251036-12.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets