17. DSSP NG Thalwil
Open SwissStandard
20 players participated in this 5-round tournament, held on 31 Jan 2026 in Thalwil, Switzerland. Top 10 Elo average was 1256, and top seed was Felix Lohmiller (🇨🇭 SUI, 1698).
Kean Madjdpour (🇨🇭 SUI, 0) won with 5.0/5, ahead of Mika Reh (4.0). Madjdpour won solo starting round 4.
The biggest upset came in round 4: Juan Zenon Kaiser (1444) beat Felix Lohmiller (1698), a +254-point gap.
Location
🇨🇭Thalwil, Switzerland
Dates
31 Jan 2026
Time control
Standard: 30 minutes for game with 30 seconds increment from move 1
System
Swiss · 5 rounds
Federations · 1 represented
🇨🇭Switzerland×15
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 5 roundsKean Madjdpour led from R4; +1.0-point edge over the runner-up.
Co-leaders
10
4
2
1
1
R4–R5 · LEAD HELD
Kean Madjdpour never relinquished the lead after R4; final gap +1.0 over the runner-up.
R4 · HEAD-TO-HEAD · WINNER VS 2ND
Kean Madjdpour beat Mika Reh (White).
WIN STREAKS · 2 top finishers
Kean Madjdpour 5 wins (R1–R5)Mika Reh 3 wins (R1–R3)
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Kean Madjdpour | * | 1 | 1 | 1 |
| 2Mika Reh | 0 | * | — | — |
| 3FIDE 51639556 | 0 | — | * | — |
| 4Nikita Amirkhanov | 0 | — | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Madjdpour, Kean | 0 | SUI | +10N | +12B | +3N | +2B | +4N | 5.0 | 14.0 | 16.0 | 16.00 | 1560 | 0.0 |
| 2 | Reh, Mika | 0 | SUI | +9B | +7N | +6B | −1N | +5B | 4.0 | 14.5 | 17.5 | 12.50 | 2370 | +70.4 |
| 3 | FIDE 51639556 | 0 | — | +19B | +16N | −1B | +6N | +11B | 4.0 | 12.0 | 13.0 | 8.00 | 1556 | 0.0 |
| 4 | Amirkhanov, Nikita | 0 | SUI | +11B | =5N | +7B | +13N | −1B | 3.5 | 14.0 | 16.0 | 9.25 | 1592 | 0.0 |
| 5 | Legeret, Noe | 1674 | SUI | +17N | =4B | +15N | +8B | −2N | 3.5 | 12.0 | 13.5 | 7.75 | 1733 | +10.0 |
| 6 | Erb, Jonas | 0 | SUI | +8N | +15B | −2N | −3B | +18N | 3.0 | 12.5 | 14.0 | 6.00 | 1628 | 0.0 |
| 7 | Amstalden, Julian | 1593 | SUI | +18N | −2B | −4N | +12B | +14N | 3.0 | 11.5 | 13.0 | 5.50 | 1477 | -12.4 |
| 8 | Kammerlander, Jan | 1621 | SUI | −6B | +20N | +9B | −5N | +13B | 3.0 | 11.5 | 11.5 | 5.00 | 1628 | +2.0 |
| 9 | Kaiser, Juan Zenon | 1444 | SUI | −2N | +17B | −8N | +15B | +10N | 3.0 | 11.0 | 12.5 | 5.50 | 1593 | +30.4 |
| 10 | Moss, Robin | 1544 | SUI | −1B | =11N | +19B | +16N | −9B | 2.5 | 12.0 | 13.0 | 3.75 | 1490 | -6.0 |
| 11 | FIDE 51640244 | 0 | — | −4N | =10B | +17N | +18B | −3N | 2.5 | 11.5 | 13.0 | 4.25 | 1545 | 0.0 |
| 12 | Hasan, Musabbir | 1450 | SUI | +20B | −1N | −13B | −7N | +16B | 2.0 | 11.5 | 11.5 | 1.50 | 1382 | -10.8 |
| 13 | Blumenschein, Karl | 0 | SUI | −15N | +14B | +12N | −4B | −8N | 2.0 | 10.5 | 12.0 | 4.00 | 1465 | 0.0 |
| 14 | FIDE 1390813 | 0 | — | −16B | −13N | +20B | +19N | −7B | 2.0 | 7.5 | 7.5 | 1.00 | 707 | 0.0 |
| 15 | Lohmiller, Felix | 1698 | SUI | +13B | −6N | −5B | −9N | =17B | 1.5 | 11.5 | 13.0 | 2.75 | 1378 | -48.4 |
| 16 | Kakoyan, Narek | 1536 | SUI | +14N | −3B | =18N | −10B | −12N | 1.5 | 10.5 | 12.0 | 2.75 | 697 | -44.4 |
| 17 | Elmiger, Gian | 0 | SUI | −5B | −9N | −11B | +20N | =15N | 1.5 | 10.5 | 10.5 | 0.75 | 1332 | 0.0 |
| 18 | Ghosh, Raphael Krishna | 0 | SUI | −7B | +19N | =16B | −11N | −6B | 1.5 | 10.0 | 11.0 | 1.75 | 1372 | 0.0 |
| 19 | FIDE 1378902 | 0 | — | −3N | −18B | −10N | −14B | +20N | 1.0 | 10.0 | 10.0 | 0.00 | 745 | 0.0 |
| 20 | FIDE 1364456 | 0 | — | −12N | −8B | −14N | −17B | −19B | 0.0 | 8.5 | 9.5 | 0.00 | 735 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Reh, MikaSUI+70.44.0 pts · #1
- 2Kaiser, Juan ZenonSUI+30.43.0 pts · #7
- 3Legeret, NoeSUI+10.03.5 pts · #6
Top rating losers
- 1Lohmiller, FelixSUI-48.41.5 pts · #12
- 2Kakoyan, NarekSUI-44.41.5 pts · #19
- 3Amstalden, JulianSUI-12.43.0 pts · #13
Biggest upsets
- R4+254 Elo gap