IGM 2025-26 Kat. C round 1-5
Team SwissStandard
30 players participated in this 5-round tournament, held from 15 Nov 2025 to 16 Jan 2026 in decentralised, Switzerland. Top 10 Elo average was 1503, and top seed was Hans Schnarwiler (🇨🇠SUI, 1782).
Andreas G. Boettcher (🇨🇠SUI, 1776) won with 5.0/5, ahead of Lukas Waser (3.5) and Moritz Isch (3.0). Boettcher won solo starting round 3.
The biggest upset came in round 3: Moritz Isch (1581) beat Mario Berchtold (1694), a +113-point gap.
Location
🇨ðŸ‡decentralised, Switzerland
Dates
15 Nov 2025 → 16 Jan 2026
Time control
Standard: 36 Moves in 90 Min. / / 30 Min.
System
Team · 5 rounds
Federations · 1 represented
🇨ðŸ‡Switzerland×22
Top 3
- 🥇
- 🥈
- 🥉
Standings
Click row to expand · Cmd+click name for new tab
| # | Player | Fed | Elo | Pts | Avg opp. | Perf | Δ Elo |
|---|---|---|---|---|---|---|---|
| 4 | Boettcher, Andreas G. | 🇨ðŸ‡SUI | 1776 | 5.0 | 1659 | 2459 | +13.6 |
| 3 | Waser, Lukas | 🇨ðŸ‡SUI | 1757 | 3.5 | 1677 | 1870 | +11.6 |
| 6 | Isch,Moritz | 🇨ðŸ‡SUI | 1581 | 3.0 | 1694 | 2494 | +13.0 |
| 1 | Stadelmann, Andreas | 🇨ðŸ‡SUI | 0 | 3.0 | 1677 | 1870 | +22.0 |
| 2 | Stalder, Ronald | 🇨ðŸ‡SUI | 0 | 3.0 | 1635 | 1828 | +10.4 |
| 13 | Karrer, Serge | 🇨ðŸ‡SUI | 0 | 2.5 | 1782 | 1782 | +0.8 |
| 26 | Berchtold, Mario | 🇨ðŸ‡SUI | 1694 | 2.0 | 1581 | 781 | -26.0 |
| 30 | Studer, Rene | 🇨ðŸ‡SUI | 0 | 2.0 | 1694 | 894 | -15.6 |
| 25 | Ciglia, Cesare | 🇨ðŸ‡SUI | 0 | 2.0 | 1694 | 894 | -10.0 |
| 10 | Immoos, Rosy | 🇨ðŸ‡SUI | 0 | 2.0 | 1566 | 2366 | +28.4 |
| 9 | FIDE 1377590 | — | 0 | 2.0 | 1659 | 1679 | 0.0 |
| 18 | Schnarwiler, Hans | 🇨ðŸ‡SUI | 1782 | 1.5 | 1758 | 1758 | -1.2 |
| 16 | FIDE 1397702 | — | 0 | 1.5 | 1581 | 1581 | 0.0 |
| 5 | FIDE 1393880 | — | 0 | 1.5 | 1566 | 1586 | 0.0 |
| 8 | Ludwig, Juerg | 🇨ðŸ‡SUI | 1639 | 1.5 | 1566 | 2366 | +16.0 |
| 23 | Schnyder, Josef | 🇨ðŸ‡SUI | 0 | 1.0 | 1767 | 967 | -34.8 |
| 19 | Hunkeler, Karl | 🇨ðŸ‡SUI | 0 | 1.0 | 1767 | 1574 | -7.6 |
| 22 | FIDE 1397842 | — | 0 | 1.0 | 1581 | 781 | 0.0 |
| 28 | FIDE 1397745 | — | 0 | 1.0 | 1776 | 976 | 0.0 |
| 11 | FIDE 1397737 | — | 0 | 1.0 | 1659 | 1679 | 0.0 |
| 7 | Jaeger, Martin | 🇨ðŸ‡SUI | 0 | 1.0 | 1635 | 1635 | 0.0 |
| 29 | Mazzoni, Renzo | 🇨ðŸ‡SUI | 1659 | 0.5 | 1776 | 976 | -6.8 |
| 17 | Schmid, Willy | 🇨ðŸ‡SUI | 0 | 0.5 | 1581 | 1581 | -4.0 |
| 14 | FIDE 1397753 | — | 0 | 0.5 | 1639 | 1639 | 0.0 |
| 15 | Kneubuehler, Marco | 🇨ðŸ‡SUI | 0 | 0.5 | 1758 | 1758 | +3.2 |
| 12 | Roos, Guido | 🇨ðŸ‡SUI | 0 | 0.5 | 1770 | 1577 | -8.0 |
| 20 | Steiner, Gabriel | 🇨ðŸ‡SUI | 1566 | 0.0 | 1639 | 839 | -8.0 |
| 24 | FIDE 1397761 | — | 0 | 0.0 | 1703 | 903 | 0.0 |
| 21 | Koch, Reto | 🇨ðŸ‡SUI | 0 | 0.0 | 1776 | 976 | -8.8 |
| 27 | Schuler, Agatha | 🇨ðŸ‡SUI | 1572 | 0.0 | 1758 | 958 | -5.2 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Immoos, RosySUI+28.42.0 pts · #10
- 2Stadelmann, AndreasSUI+22.03.0 pts · #1
- 3Ludwig, JuergSUI+16.01.5 pts · #8
Top rating losers
- 1Schnyder, JosefSUI-34.81.0 pts · #23
- 2Berchtold, MarioSUI-26.02.0 pts · #26
- 3Studer, ReneSUI-15.62.0 pts · #30
Biggest upsets
- R3+113 Elo gap