CChessStats

Bundesturnier Sen1 2025

Open SwissStandard

32 players participated in this 5-round tournament, held from 29 May 2025 to 01 Jun 2025 in Pfaeffikon SZ, Switzerland. 2 titled players from 4 federations. Top 10 Elo average was 2008, and top seed was Roland Levrand (🇨🇭 SUI, 2138).

Ali Habibi (🇩🇪 GER, IM, 2111) won with 4.0/5, ahead of Manfred Gosch (4.0) and Claudio Boschetti (3.5). Habibi won on tie-break after catching the field in the final round.

The biggest upset came in round 4: Bruno Kaelin (1758) beat Peter Wyss (1895), a +137-point gap.

Location
🇨🇭Pfaeffikon SZ, Switzerland
Dates
29 May 2025 → 01 Jun 2025
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 5 rounds
Top seed
🇨🇭Roland Levrand2138
Avg top 10
2,008
Participants
32
Titled players · 2
IM×1
FM×1
Federations · 4 represented
🇨🇭Switzerland×29
🇮🇹Italy×1
🇺🇦Ukraine×1
🇩🇪Germany×1
Top 3
  • 🥇
    IMAli Habibi
    🇩🇪GER·2111
    4.0pts·2185perf+4.3
  • 🥈
    Manfred Gosch
    🇨🇭SUI·1950
    4.0pts·2120perf+20.6
  • 🥉
    Claudio Boschetti
    🇨🇭SUI·2069
    3.5pts·2113perf+6.0

How it unfolded

Top 6 · 5 rounds

Tight race until R5; 2 players tied at 4.0/5, decided on Buchholz.

Co-leaders
9
1
1
1
2
1.52.545R1R2R3R4R5
Gosch4Habibi4Levrand3.5Boschetti3.5Tchenash3.5Adzic3.5
R5 · TIEBREAK CLUSTER

2 players finish on 4.0/5. Habibi takes the title on Buchholz Cut1 (12.0).

R1–R5 · UNBEATEN

Manfred Gosch went unbeaten across 5 games (R1–R5).

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1Manfred Gosch*——
1
2IMAli Habibi—*—
½
3Roland Levrand——*—
4Claudio Boschetti
0
½
—*

Grille américaine

#PlayerEloFedR1R2R3R4R5PtsBu C1BuSBPerfΔ
1Habibi, AliIM2111GER+26B=4N+19B=3N+11N4.012.013.510.002185+4.3
2Gosch, Manfred1950SUI+21B=19N=16B+9N+3B4.011.013.010.752120+20.6
3Boschetti, Claudio2069SUI+9B+18N+14N=1B−2N3.513.516.010.002113+6.0
4Duerst, Martin1953SUI+29N=1B=5N=17B+13N3.512.514.09.002055+10.8
5Adzic, SlobodanFM2035SUI=10N=8B=4B+26N+15N3.512.013.58.752002-3.4
6Levrand, Roland2138SUI=13N+10B=17N+15B=14N3.510.513.09.252016-12.0
7Tchenash, Alexej1945UKR=8N+13B−15N+20N+17B3.510.512.58.501979+4.8
8Rudolf, Arthur1791SUI=7B=5N=18B+19N=16B3.012.014.08.001985+26.0
9Arocha, Carlos1887SUI−3N+30B+22N−2B+20N3.011.512.55.001962+10.4
10Juchli, Kurt1787SUI=5B−6N=27B+22B+21N3.011.012.56.502005+27.4
11Weidt, Frank1964SUI+20BF+21N+23N−1B3.010.512.56.002046+8.8
12Brugger, Anton1921SUI=22B=16N−20B+30N+23B3.08.59.55.251870-12.8
13Kaelin, Bruno1758SUI=6B−7N+31B+18N−4B2.513.014.05.251960+49.2
14Brait, Wolfgang1975SUI+25NF−3B+16N=6B2.512.514.56.252055+8.6
15Wunderlin, Thomas1879SUI=23B+27N+7B−6N−5B2.512.514.06.001940+7.6
16Pfister, Matthias1803SUI+32N=12B=2N−14B=8N2.512.513.05.501822+1.4
17Dorand, Jean-Pierre1935SUI=27B+31N=6B=4N−7N2.512.013.05.251946+1.2
18Wyss, Peter1895SUI+30N−3B=8N−13B+28B2.510.511.54.001793-12.8
19Eichenberger, Markus1887SUI+28N=2B−1N−8B=24N2.013.014.54.501796-12.2
20Zangger, Daniel1788SUI−11N+32B+12N−7B−9B2.012.513.03.501736-4.8
21Blickle, Michael1754SUI−2N+28B−11B+27N−10B2.011.513.03.001757-0.4
22Danz, Rolf1914SUI=12N=24B−9B−10N+31B2.011.012.03.501794-16.6
23Wuest, Andreas1758SUI=15N=25B+24N−11B−12N2.010.512.54.251820+7.8
24Germann, Leo1866SUI=31B=22N−23B=28N=19B2.07.58.53.251738-17.2
25Frey, Jakob1830SUI−14B=23N−26B=32N+30B2.07.07.52.251742-20.8
26Minerva, Enzo1854ITA−1N=29B+25N−5BF1.511.011.02.751867+0.6
27Reust, Erika1825SUI=17N−15B=10N−21B=29N1.510.011.53.501646-18.4
28Strupat, Thomas1620SUI−19B−21N+32B=24B−18N1.58.59.01.501529-7.2
29Bolliger, Max0SUI−4B=26N−30B=31N=27B1.57.58.52.0016970.0
30Fuchs, Roman1727SUI−18B−9N+29N−12B−25N1.010.512.01.501083-47.2
31Guebeli, Albert1869SUI=24N−17B−13N=29B−22N1.09.010.51.751546-60.0
32Telser, Peter0SUI−16B−20N−28N=25BF0.58.08.01.0014380.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets
Bundesturnier Sen1 2025 — Pfaeffikon SZ, Switzerland | Chess Tournament Results | ChessStats