18. DSSP NG Thalwil
Open SwissStandard
16 players participated in this 5-round tournament, held on 07 Mar 2026 in Thalwil, Switzerland. Top 10 Elo average was 1070, and top seed was Leonardo Monteiro (🇨🇭 SUI, 1579).
Ilja Rathgeb (🇨🇭 SUI, 1551) won with 4.5/5, ahead of Leonardo Monteiro (4.0) and Samyakk Mahapatra (3.5). Rathgeb won solo starting round 3.
Location
🇨🇭Thalwil, Switzerland
Dates
07 Mar 2026
Time control
Standard: 30 minutes for game with 30 seconds increment from move 1
System
Swiss · 5 rounds
Federations · 1 represented
🇨🇭Switzerland×11
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 5 roundsIlja Rathgeb led from R3; +0.5-point edge over the runner-up.
Co-leaders
9
4
1
1
1
R3–R5 · LEAD HELD
Ilja Rathgeb held the sole lead from R3 through R5 without losing it.
WIN STREAKS · 2 top finishers
Ilja Rathgeb 4 wins (R1–R4)Leonardo Monteiro 3 wins (R3–R5)
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Ilja Rathgeb | * | — | ½ | — |
| 2Leonardo Monteiro | — | * | — | 0 |
| 3Samyakk Mahapatra | ½ | — | * | 1 |
| 4Petr Cepila | — | 1 | 0 | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Rathgeb, Ilja | 1551 | SUI | +15B | +6N | +13B | +4N | =3B | 4.5 | 11.5 | 12.5 | 10.75 | 1779 | +32.8 |
| 2 | Monteiro, Leonardo | 1579 | SUI | +16N | −5B | +10N | +13B | +7N | 4.0 | 10.5 | 10.5 | 7.50 | 682 | -25.2 |
| 3 | Mahapatra, Samyakk | 1568 | SUI | +7N | =10B | =8N | +5B | =1N | 3.5 | 13.5 | 16.0 | 11.00 | 1660 | +14.4 |
| 4 | Kaiser, Juan Zenon | 1526 | SUI | +9N | +8B | =5N | −1B | =11N | 3.0 | 13.5 | 16.0 | 8.75 | 1535 | +2.0 |
| 5 | Cepila, Petr | 1482 | SUI | +12B | +2N | =4B | −3N | =8N | 3.0 | 13.5 | 15.5 | 9.00 | 1562 | +17.2 |
| 6 | Loefgren, Alexander | 1423 | SUI | +11N | −1B | +9N | −7B | +13N | 3.0 | 13.0 | 15.0 | 7.50 | 751 | -13.2 |
| 7 | Geissler, Luca | 0 | SUI | −3B | +12N | +15B | +6N | −2B | 3.0 | 12.5 | 13.5 | 6.00 | 1399 | 0.0 |
| 8 | Ulloni, Alvise | 1571 | SUI | +14B | −4N | =3B | +10N | =5B | 3.0 | 12.0 | 14.0 | 7.75 | 1400 | -28.0 |
| 9 | Ghosh, Raphael Krishna | 0 | SUI | −4B | +?N | −6B | +12N | +14B | 3.0 | 10.0 | 10.0 | 4.00 | 674 | 0.0 |
| 10 | Blumenschein, Karl | 0 | SUI | +?B | =3N | −2B | −8B | +15N | 2.5 | 11.5 | 11.5 | 2.75 | 1301 | 0.0 |
| 11 | FIDE 1399446 | 0 | — | −6B | +14N | −12B | +15N | =4B | 2.5 | 10.0 | 11.0 | 4.50 | 1281 | 0.0 |
| 12 | FIDE 1378783 | 0 | — | −5N | −7B | +11N | −9B | +16N | 2.0 | 11.5 | 11.5 | 2.50 | 682 | 0.0 |
| 13 | FIDE 1353748 | 0 | — | +?N | +16B | −1N | −2N | −6B | 2.0 | 11.5 | 11.5 | 0.00 | 718 | 0.0 |
| 14 | Elmiger, Gian | 0 | SUI | −8N | −11B | +?N | +?B | −9N | 2.0 | 8.5 | 8.5 | 0.00 | 773 | 0.0 |
| 15 | FIDE 1387472 | 0 | — | −1N | +?B | −7N | −11B | −10B | 1.0 | 12.5 | 12.5 | 0.00 | 751 | 0.0 |
| 16 | FIDE 1353756 | 0 | — | −2B | −13N | −?B | −?N | −12B | 0.0 | 8.0 | 8.0 | 0.00 | 779 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Rathgeb, IljaSUI+32.84.5 pts · #1
- 2Cepila, PetrSUI+17.23.0 pts · #2
- 3Mahapatra, SamyakkSUI+14.43.5 pts · #3
Top rating losers
- 1Ulloni, AlviseSUI-28.03.0 pts · #5
- 2Monteiro, LeonardoSUI-25.24.0 pts · #12
- 3Loefgren, AlexanderSUI-13.23.0 pts · #15