Championnat valaisan par equipes Groupe B
Open SwissStandard
23 players participated in this 3-round tournament, held from 20 May 2026 to 22 May 2026 in decentralized, Switzerland. Top 10 Elo average was 1799, and top seed was Flavien Sola (🇫🇷 FRA, 2086).
Matheo Vouillamoz (🇨🇭 SUI, 0) won with 3.0/3, ahead of Loic Devaud (2.5) and Pierre Perruchoud (2.0). Vouillamoz broke clear in the final round.
The biggest upset came in round 3: Jean-Claude Zermatten (1503) beat Michel Dorsaz (1953), a +450-point gap.
Location
🇨🇭decentralized, Switzerland
Dates
20 May 2026 → 22 May 2026
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 3 rounds
Avg top 10
1,799
Participants
23
Federations · 1 represented
🇨🇭Switzerland×17
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 3 roundsMatheo Vouillamoz led from R3; +0.5-point edge over the runner-up.
Co-leaders
7
2
1
R3–R3 · LEAD HELD
Matheo Vouillamoz held the sole lead from R3 through R3 without losing it.
R1–R3 · WIN STREAK
Matheo Vouillamoz won 3 in a row (R1–R3).
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Matheo Vouillamoz | * | — | — | 1 |
| 2Loic Devaud | — | * | — | — |
| 3Fabrice Lovey | — | — | * | — |
| 4Pierre Perruchoud | 0 | — | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Vouillamoz, Matheo | 0 | SUI | +3N | +7N | +?N | 3.0 | 3.0 | 3.0 | 3.00 | 1963 | 0.0 |
| 2 | Devaud, Loic | 1776 | SUI | +13B | =4B | +17B | 2.5 | 2.5 | 2.5 | 1.50 | 1850 | +12.4 |
| 3 | Perruchoud, Pierre | 1911 | SUI | −1B | +8B | +18B | 2.0 | 4.0 | 4.0 | 1.00 | 2378 | +5.0 |
| 4 | Perruchoud, Francois | 1913 | SUI | =14B | =2N | +7N | 2.0 | 3.5 | 4.0 | 2.50 | 1928 | +0.6 |
| 5 | Lovey, Fabrice | 1772 | SUI | +19N | +20B | F | 2.0 | 1.0 | 1.0 | 0.00 | 2457 | +14.0 |
| 6 | Duc, Jeremy | 1798 | SUI | F | =15B | +21N | 1.5 | 0.5 | 0.5 | 0.25 | 1735 | -2.2 |
| 7 | Udry, Luc | 1711 | SUI | +22B | −1B | −4B | 1.0 | 5.0 | 5.0 | 0.00 | 1113 | -9.6 |
| 8 | Betrisey, Claude | 1600 | SUI | +9N | −3N | F | 1.0 | 3.0 | 3.0 | 1.00 | 1806 | +8.8 |
| 9 | Bonalli, Alessandro | 1700 | SUI | −8B | +17N | F | 1.0 | 3.0 | 3.0 | 0.00 | 830 | -24.0 |
| 10 | Zermatten, Jean-Claude | 1503 | SUI | −11N | −12N | +23B | 1.0 | 2.0 | 2.0 | 0.00 | 2703 | +18.4 |
| 11 | FIDE 544023111 | 0 | — | +10B | F | F | 1.0 | 1.0 | 1.0 | 1.00 | 1523 | 0.0 |
| 12 | Vouillamoz, Eric | 0 | SUI | F | +10B | F | 1.0 | 1.0 | 1.0 | 1.00 | 1523 | 0.0 |
| 13 | Goekok, Timur | 1400 | SUI | −2N | =16B | F | 0.5 | 3.0 | 3.0 | 0.25 | 959 | -2.0 |
| 14 | FIDE 1396145 | 0 | — | =4N | F | F | 0.5 | 2.0 | 2.0 | 1.00 | 1913 | 0.0 |
| 15 | Dorsaz, Cyril | 1731 | SUI | F | =6N | F | 0.5 | 1.5 | 1.5 | 0.75 | 1815 | +2.2 |
| 16 | FIDE 1367323 | 0 | — | −?B | =13N | −?B | 0.5 | 0.5 | 0.5 | 0.25 | 1475 | 0.0 |
| 17 | FIDE 1396099 | 0 | — | F | −9B | −2N | 0.0 | 3.5 | 3.5 | 0.00 | 930 | 0.0 |
| 18 | Frainay, Herve | 1525 | SUI | F | F | −3N | 0.0 | 2.0 | 2.0 | 0.00 | 1111 | -1.8 |
| 19 | Uliyanova, Flora | 1594 | SUI | −5B | F | F | 0.0 | 2.0 | 2.0 | 0.00 | 970 | -10.8 |
| 20 | Moerschell, Simon | 1728 | SUI | F | −5N | F | 0.0 | 2.0 | 2.0 | 0.00 | 970 | -17.2 |
| 21 | FIDE 1377680 | 0 | — | F | F | −6B | 0.0 | 1.5 | 1.5 | 0.00 | 1015 | 0.0 |
| 22 | FIDE 1377779 | 0 | — | −7N | F | F | 0.0 | 1.0 | 1.0 | 0.00 | 911 | 0.0 |
| 23 | Dorsaz, Michel | 1953 | SUI | F | F | −10N | 0.0 | 1.0 | 1.0 | 0.00 | 753 | -36.8 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Zermatten, Jean-ClaudeSUI+18.41.0 pts · #6
- 2Lovey, FabriceSUI+14.02.0 pts · #2
- 3Devaud, LoicSUI+12.42.5 pts · #5
Top rating losers
- 1Dorsaz, MichelSUI-36.80.0 pts · #17
- 2Bonalli, AlessandroSUI-24.01.0 pts · #23
- 3Moerschell, SimonSUI-17.20.0 pts · #20
Biggest upsets
- R3+450 Elo gap