Torsdagslangen ht JSS 2025
Open SwissStandard
10 players participated in this 3-round tournament, held from 18 Sept 2025 to 02 Oct 2025 in Jonkoping, Sweden. Top 10 Elo average was 857, and top seed was John Radberg (🇸🇪 SWE, 2050).
Isak Berntsson (🇸🇪 SWE, 1660) won with 2.0/3, ahead of John Radberg (2.0) and David Leon (2.0).
Location
🇸🇪Jonkoping, Sweden
Dates
18 Sept 2025 → 02 Oct 2025
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss · 3 rounds
Federations · 1 represented
🇸🇪Sweden×8
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 3 roundsTight race until R3; 3 players tied at 2.0/3, decided on Buchholz.
Co-leaders
4
1
4
R3 · TIEBREAK CLUSTER
3 players finish on 2.0/3. Berntsson takes the title on Buchholz Cut1 (3.0).
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1John Radberg | * | — | 1 | — |
| 2David Leon | — | * | — | — |
| 3Isak Berntsson | 0 | — | * | 1 |
| 4Joel Tann | — | — | 0 | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Berntsson, Isak | 1660 | SWE | +5N | +4B | −2B | 2.0 | 3.0 | 4.0 | 2.00 | 1250 | -3.6 |
| 2 | Radberg, John | 2050 | SWE | F | +9B | +1N | 2.0 | 2.0 | 2.0 | 2.00 | 2458 | +3.4 |
| 3 | Leon, David | 1752 | SWE | +8B | F | +4N | 2.0 | 1.0 | 1.0 | 1.00 | 2355 | +10.0 |
| 4 | Linden, Emil 1999 | 0 | SWE | +?B | −1N | −3B | 1.0 | 4.0 | 4.0 | 0.00 | 1595 | 0.0 |
| 5 | Tann,Joel | 0 | SWE | −1B | −?N | +8N | 1.0 | 2.0 | 2.0 | 0.00 | 1530 | 0.0 |
| 6 | FIDE 563000199 | 0 | — | F | +?B | −?N | 1.0 | 0.0 | 0.0 | 0.00 | 1806 | 0.0 |
| 7 | Persson,Viggo | 0 | SWE | +?N | — | — | 1.0 | 0.0 | 0.0 | 0.00 | 1716 | 0.0 |
| 8 | Klingberg, Ronny | 1555 | SWE | −3N | F | −5B | 0.0 | 3.0 | 3.0 | 0.00 | 952 | -10.0 |
| 9 | Karlsson, Adam 2007 | 1550 | SWE | F | −2N | — | 0.0 | 2.0 | 2.0 | 0.00 | 1150 | -3.2 |
| 10 | FIDE 1791400 | 0 | — | F | −?B | −?N | 0.0 | 0.0 | 0.0 | 0.00 | 1006 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Leon, DavidSWE+10.02.0 pts · #4
- 2Radberg, JohnSWE+3.42.0 pts · #1
- 3FIDE 17914000.00.0 pts · #7
Top rating losers
- 1Klingberg, RonnySWE-10.00.0 pts · #9
- 2Berntsson, IsakSWE-3.62.0 pts · #8
- 3Karlsson, Adam 2007SWE-3.20.0 pts · #10