Therwiler Afternoon Open TAO 2025 round 6-7
20 players participated in this 7-round tournament, held from 07 Jan 2026 to 28 Jan 2026 in Therwil, Switzerland. 2 federations represented. Top 10 Elo average was 1873, and top seed was Andrew Lumsdon (🇨🇠SUI, 1959).
Jean-Pierre Lenders (🇨🇠SUI, 1860) won with 2.0/7, ahead of Paul Erzinger (2.0) and Peter Polanyi (2.0). Lenders won on tie-break after catching the field in the final round.
The biggest upset came in round 6: Stephan Bonauer (1678) beat Wolfgang Ledermann (1833), a +155-point gap.
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How it unfolded
Top 6 · 7 roundsTight race until R7; 3 players tied at 2.0/7, decided on Buchholz. Title race narrowed from 21 co-leaders at R4 to 3 at the finish.
3 players finish on 2.0/7. Lenders takes the title on Buchholz Cut1 (2.0).
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | R7 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Lenders, Jean-Pierre | 1860 | SUI | F | F | F | F | F | +6B | +7B | 2.0 | 2.0 | 2.0 | 2.00 | 2536 | +13.0 |
| 2 | Erzinger, Paul | 1943 | SUI | F | F | F | F | F | +17B | +9B | 2.0 | 1.0 | 1.0 | 1.00 | 2709 | +34.0 |
| 3 | Polanyi, Peter | 1891 | SUI | F | F | F | F | F | +18N | +16B | 2.0 | 0.0 | 0.0 | 0.00 | 2670 | +16.8 |
| 4 | Fankhauser, Martin | 0 | SUI | F | F | F | F | F | =14N | +8B | 1.5 | 1.5 | 1.5 | 1.25 | 1888 | +8.0 |
| 5 | Blickle, Michael | 1733 | SUI | F | F | F | F | F | =15N | +14B | 1.5 | 1.0 | 1.0 | 0.75 | 1936 | +23.2 |
| 6 | Spielmann, Beat | 1869 | SUI | F | F | F | F | F | −1N | +11N | 1.0 | 3.0 | 3.0 | 1.00 | 1685 | -5.0 |
| 7 | Bonauer, Stephan | 1678 | SUI | F | F | F | F | F | +12B | −1N | 1.0 | 3.0 | 3.0 | 1.00 | 1842 | +8.8 |
| 8 | Willimann, Philipp | 1750 | SUI | F | F | F | F | F | +10B | −4N | 1.0 | 2.5 | 2.5 | 1.00 | 1727 | -0.4 |
| 9 | Lumsdon, Andrew | 1959 | SUI | F | F | F | F | F | +16B | −2N | 1.0 | 2.0 | 2.0 | 0.00 | 1926 | -1.8 |
| 10 | Kaeppeli, Viktor | 0 | SUI | F | F | F | F | F | −8N | +20B | 1.0 | 1.0 | 1.0 | 0.00 | 1687 | +4.4 |
| 11 | Affentranger, Urs | 0 | SUI | F | F | F | F | F | +19N | −6B | 1.0 | 1.0 | 1.0 | 0.00 | 1651 | +14.0 |
| 12 | Ledermann, Wolfgang | 1833 | SUI | F | F | F | F | F | −7N | +19B | 1.0 | 1.0 | 1.0 | 0.00 | 1589 | -11.0 |
| 13 | Tschumi, Herbert | 0 | SUI | F | F | F | F | F | +20B | F | 1.0 | 0.0 | 0.0 | 0.00 | 2440 | +6.8 |
| 14 | Cardinaux, Nikita | 1667 | SUI | F | F | F | F | F | =4B | −5N | 0.5 | 3.0 | 3.0 | 0.75 | 1569 | -4.4 |
| 15 | Erb, Bernhard | 1829 | SUI | F | F | F | F | F | =5B | F | 0.5 | 1.5 | 1.5 | 0.75 | 1715 | -3.2 |
| 16 | Locher, Helmut | 1853 | GER | F | F | F | F | F | −9N | −3N | 0.0 | 3.0 | 3.0 | 0.00 | 1143 | -16.8 |
| 17 | Meier, Franz | 1878 | SUI | F | F | F | F | F | −2N | F | 0.0 | 2.5 | 2.5 | 0.00 | 1166 | -7.2 |
| 18 | Maitre, Fabien | 1812 | SUI | F | F | F | F | F | −3B | F | 0.0 | 2.0 | 2.0 | 0.00 | 1129 | -8.0 |
| 19 | Arnold, Urs | 1577 | SUI | F | F | F | F | F | −11B | −12N | 0.0 | 2.0 | 2.0 | 0.00 | 857 | -25.6 |
| 20 | Mcillmurray, John | 0 | SUI | F | F | F | F | F | −13N | −10N | 0.0 | 2.0 | 2.0 | 0.00 | 979 | -26.4 |
Key insights
Biggest movers and upsets — the story behind the numbers.
- 1Erzinger, PaulSUI+34.02.0 pts · #1
- 2Blickle, MichaelSUI+23.21.5 pts · #5
- 3Polanyi, PeterSUI+16.82.0 pts · #3
- 1Mcillmurray, JohnSUI-26.40.0 pts · #20
- 2Arnold, UrsSUI-25.60.0 pts · #19
- 3Locher, HelmutGER-16.80.0 pts · #18
- R6+155 Elo gap