CChessStats

Oranienburger Chess Open 2025 Gruppe B

Open SwissStandard

26 players participated in this 5-round tournament, held from 13 Sept 2025 to 14 Sept 2025 in Oranienburg, Germany. Top 10 Elo average was 1817, and top seed was Michael Tornow (🇩🇪 GER, 1941).

Finn Geppert (🇩🇪 GER, 1661) won with 4.5/5, ahead of Paul Briese (4.5) and Michael Tornow (3.5). Geppert shared the lead from round 4, winning on tie-break.

The biggest upset came in round 5: Finn Geppert (1661) beat Michael Ziems (1904), a +243-point gap.

Location
🇩🇪Oranienburg, Germany
Dates
13 Sept 2025 → 14 Sept 2025
Time control
Standard: 30 Moves in 60 Min. / / 30 Min.
System
Swiss · 5 rounds
Top seed
🇩🇪Michael Tornow1941
Avg top 10
1,817
Participants
26
Federations · 1 represented
🇩🇪Germany×26
Top 3

How it unfolded

Top 6 · 5 rounds

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

Co-leaders
10
3
1
3
2
1.52.545R1R2R3R4R5
R5 · TIEBREAK CLUSTER

2 players finish on 4.5/5. Geppert takes the title on Buchholz Cut1 (12.5).

R2–R5 · WIN STREAK

Paul Briese won 4 in a row (R2–R5).

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1Paul Briese*
1
2Finn Geppert*
½
3Michael Tornow
½
*
4Carsten Scheike
0
*

Grille américaine

#PlayerEloFedR1R2R3R4R5PtsBu C1BuSBPerfΔ
1Geppert, Finn1661GER+12N+5B=3N+9B+6N4.512.515.013.252212+127.2
2Briese, Paul1724GER=6B+23N+11B+10N+4B4.511.513.011.502137+92.8
3Tornow, Michael1941GER+25B=7N=1B=8N+11B3.513.013.07.751874-7.2
4Scheike, Carsten1795GER+19N+15B+10B=6N2N3.512.514.58.501911+15.8
5Majewski, Nico1765GER+24B1N+18B=13N+9N3.511.513.07.251834+14.4
6Ziems, Michael1904GER=2N+20B+17N=4B1B3.015.017.08.501741-17.0
7Lehmann, Michael1759GER+14N=3B9N+15B=8N3.011.514.08.251808+5.2
8Fritzsche, David1718GER9N+22B+12N=3B=7B3.011.513.57.751830+23.6
9Schuster, Rebekka1824GER+8B=11N+7B1N5B2.514.016.57.251731-12.6
10Wolff, Marie Antoinette1815GER+18N+16B4N2B=14N2.513.015.05.751742-8.0
11Hall, Oliver1753GER+22N=9B2N+20B3N2.512.514.55.251557-28.0
12Schulze, Robert1797GER1B+24N8B=21N+18B2.511.513.04.501566-37.2
13El-Hitami, Hisham1779GER=20N17B+25N=5B=16N2.510.510.54.001761-4.0
14Dziamski, Daniel0GER7B+25N=15N=16B=10B2.510.510.53.7517630.0
15Oortmann, Alexis Miles1749GER+26B4N=14B7N+23B2.510.510.52.751641-10.4
16Le, Tung1757GER+21B10N=19B=14N=13B2.59.511.55.501612-23.2
17Stegmann, Jens1786GER=23B+13N6B+19N2.57.59.05.251817+3.6
18Mlynarski, Milosz1692GER10B+21N5N+24B12N2.010.512.03.50993-43.6
19Thirumal, Shravan1616GER4B+26N=16N17B=20N2.010.510.52.251602-4.4
20Heidrich, Jonathan0GER=13B6N+23B11N=19B2.010.011.53.7516560.0
21Ivashchenko, Ihor0GER16N18B+26N=12B=24N2.08.58.52.0015800.0
22Rauhut, Kenny0GER11B8N24B+25B+26N2.07.07.00.0016570.0
23Winkler, Frida1592GER=17N2B20N+26B15N1.511.511.51.251583-3.2
24Halle, Viktor0GER5N12B+22N18N=21B1.510.012.03.009520.0
25Pawlowski, Lion1736GER3N14B13B22NF0.010.510.50.001060-27.2
26Chupikov, Mark1420GER15N19B21B23N22B0.08.510.00.00851-26.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets