CChessStats

79. Thuner Stadtmeisterschaft Hauptturnier

Open SwissStandard

16 players participated in this 5-round tournament, held from 24 Apr 2026 to 26 Apr 2026 in Thun, Switzerland. 2 titled players from 2 federations. Top 10 Elo average was 2021, and top seed was Igor Yarmonov (🇨🇭 SUI, IM, 2315).

Igor Yarmonov (🇨🇭 SUI, IM, 2315) won with 4.5/5, ahead of Simon Morand (3.5) and Gilles Rossier (3.5). Yarmonov won solo starting round 4.

The biggest upset came in round 2: Nils Miro Hoppe (1778) beat Hans Joller (1896), a +118-point gap.

Location
🇨🇭Thun, Switzerland
Dates
24 Apr 2026 → 26 Apr 2026
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 5 rounds
Top seed
🇨🇭IMIgor Yarmonov2315
Avg top 10
2,021
Participants
16
Titled players · 2
IM×1
FM×1
Federations · 2 represented
🇨🇭Switzerland×15
🇬🇧England×1
Top 3
  • 🥇
    🇨🇭SUI·2315
    4.5pts·2365perf+4.0
  • 🥈
    🇨🇭SUI·2070
    3.5pts·2135perf+9.4
  • 🥉
    🇨🇭SUI·1969
    3.5pts·2144perf+23.8

How it unfolded

Top 6 · 5 rounds

IM Igor Yarmonov led from R2; +1.0-point edge over the runner-up.

Co-leaders
4
1
2
1
1
1.52.545R1R2R3R4R5
R2–R5 · LEAD HELD

IM Igor Yarmonov never relinquished the lead after R2; final gap +1.0 over the runner-up.

R1–R5 · UNBEATEN

IM Igor Yarmonov went unbeaten across 5 games (R1–R5).

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1IMIgor Yarmonov*—
½
1
2Gilles Rossier—*
½
1
3Simon Morand
½
½
*—
4Vlad Popescu
0
0
—*

Grille américaine

#PlayerEloFedR1R2R3R4R5PtsBu C1BuSBPerfΔ
1Yarmonov, IgorIM2315SUI+9B+4N=2B+7N+6B4.511.513.511.752365+4.0
2Morand, Simon2070SUI=15B+11N=1N=3B+7B3.512.514.09.252135+9.4
3Rossier, Gilles1969SUI+16B=6N=10B=2N+4B3.511.011.57.502144+23.8
4Popescu, Vlad1975SUI+8N−1B+13N+5B−3N3.013.515.57.502040+7.6
5Wenger, Daniel1909SUI=12B=10N+8B−4N+9N3.09.511.56.501982+9.6
6Bellmann, Rambert2025SUI+14N=3B−7N+15B−1N2.512.514.05.251996-4.6
7Kuenzli, Simon2009SUI=11B+15N+6B−1B−2N2.512.514.05.002009-0.8
8Miro Hoppe, Nils1778SUI−4B+9N−5N=16B+14N2.510.010.54.251869+24.4
9Joller, Hans1896SUI−1N−8B+16N+12N−5B2.012.012.52.501817-13.2
10Schenk-Pogan, NikolasFM2172SUI=13N=5B=3N=14BF2.010.510.55.251895-26.4
11Boivin, Remi1781SUI=7N−2B−15B+13N=12B2.010.011.54.251834+10.1
12Metille, Natean1730SUI=5N=13B=14N−9B=11N2.09.011.04.501785+13.6
13Niederberger, Lenny1867SUI=10B=12N−4B−11B+15N2.09.010.53.501831-12.4
14Lanois, Herve1833SUI−6B+16N=12B=10N−8B2.09.09.52.501816-4.6
15Smith, Alister W1855ENG=2N−7B+11N−6N−13B1.510.512.53.751801-7.6
16Baertschi, Dominik1733SUI−3N−14B−9B=8NF0.510.010.01.251547-31.2

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets
79. Thuner Stadtmeisterschaft Hauptturnier (2026) — Thun, Switzerland | Chess Tournament Results | ChessStats