CChessStats

CCM Weihnachts-Open 2025

Open SwissStandard

24 players participated in this 7-round tournament, held from 27 Dec 2025 to 30 Dec 2025 in Muenchen, Germany. 5 federations represented. Top 10 Elo average was 1931, and top seed was Gerhard Riewe (🇩🇪 GER, 2073).

Mikhail Martseniuk (🇺🇦 UKR, 1819) won with 6.0/7, ahead of Julius Bahner (5.0) and Fabian Mueller (5.0). Martseniuk shared the lead from round 6 and broke clear in the final round.

The biggest upset came in round 1: Martin Braun (1599) beat Daniel James Chua (1995), a +396-point gap.

Location
🇩🇪Muenchen, Germany
Dates
27 Dec 2025 → 30 Dec 2025
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 7 rounds
Top seed
🇩🇪Gerhard Riewe2073
Avg top 10
1,931
Participants
24
Federations · 5 represented
🇩🇪Germany×19
🇧🇪Belgium×1
🇰🇷South Korea×1
🇫🇷France×1
🇺🇦Ukraine×1
Top 3

How it unfolded

Top 6 · 7 rounds

Mikhail Martseniuk led from R7; +1.0-point edge over the runner-up.

Co-leaders
11
4
1
1
1
2
1
23.55.57R1R2R3R4R5R6R7Martseniuk takes lead
Martseniuk6Mueller5Bahner5Chua5Cote4.5Prassas4
R7 · LEADER CHANGE30 Dec

Mikhail Martseniuk takes the sole lead (6.0/7).

R7 · HEAD-TO-HEAD · WINNER VS 2ND

Mikhail Martseniuk beat Fabian Mueller (Black).

WIN STREAKS · 2 top finishers

Mikhail Martseniuk 5 wins (R3–R7)Fabian Mueller 5 wins (R1–R5)

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1Mikhail Martseniuk*
1
0
—
2Fabian Mueller
0
*
1
—
3Julius Bahner
1
0
*
0
4Daniel James Chua——
1
*

Grille américaine

#PlayerEloFedR1R2R3R4R5R6R7PtsBu C1BuSBPerfΔ
1Martseniuk, Mikhail1819UKR+15N−2B+16N+17B+10N+20B+3N6.020.522.517.502073+76.8
2Bahner, Julius2006GER+12B+1N−3B+21N−4B+11N+6B5.026.028.018.001984-1.4
3Mueller, Fabian2029GER+8N+18B+2N+9B+6NF−1B5.025.025.019.002149+17.8
4Chua, Daniel James1995GER−16N+5B=11N+7B+2N=6B+10B5.023.526.020.002002+6.8
5Cote, Frederic1928FRA=7B−4N=12B+14N+20B=9B+20N4.520.522.512.251878-2.6
6Prassas, David1911GER+20N+16B=17N+10B−3B=4N−2N4.023.025.011.251884-2.0
7Bach, Felix0GER=5N+14B−10B−4N+12B+13B=9N4.022.025.013.0018690.0
8Rabinovych, Myron1681GER−3B=13N+24B−20N+15B=18N+11B4.018.018.58.751583-11.6
9Riewe, Gerhard2073GER+14B+19NF−3N=11B=5N=7B3.522.022.011.251985-8.0
10Solger, Bernhard1822GER+13BF+7N−6N−1B+17B−4N3.024.524.59.501707-11.6
11Nida-Ruemelin, Noel0GER−19B+22N=4B+13N=9N−2B−8N3.023.024.58.7516810.0
12Yueksel, Eren1647GER−2N+15B=5N−19B−7N=22B+23N3.020.020.56.0016560.0
13Yoon, Theo0KOR−10N=8B=15N−11B+14B−7N+22B3.019.521.07.7517510.0
14Ucksche, Olaf1749GER−9N−7N+22B−5B−13N+23B+15N3.019.019.54.501201-16.0
15Eiblmeier, Andreas0GER−1B−12N=13B+22N−8N+24B−14B2.520.521.03.5014220.0
16Braun, Martin1599GER+4B−6N−1B+23NFF=18B2.518.018.06.751786+31.2
17Felser, Martin1874GER+24B=21N=6B−1N=18B−10NF2.518.018.04.751701-26.4
18Eisenbeiss, Bruno1768BEL+22B−3NFF=17N=8B=16N2.515.515.56.001709-15.2
19Ucksche, Jonathan1854GER+11N−9B=21B+12NFFF2.513.513.57.001825-4.4
20Grundner, Christian1469GER−6BF+23N+8B−5N−1N−5B2.023.523.54.501581+8.4
21Pressler, Philipp1755GER+23N=17B=19N−2BFFF2.015.015.03.001786+4.0
22Randow, Richard0GER−18N−11B−14N−15B+23B=12N−13N1.517.017.52.0014480.0
23FIDE 132377990—−21B=24N−20B−16B−22N−14N−12B0.514.014.50.2512050.0
24Riewe, Mareike1415GER−17N=23B−8NFF−15NF0.59.59.50.259780.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets