JSS Hostturnering A 2025
Round-RobinStandard
6 players participated in this 5-round tournament, held from 11 Nov 2025 to 09 Dec 2025 in Jonkoping, Sweden. 2 federations represented. Top 10 Elo average was 1840, and top seed was Ulf 1966 Johansson (🇸🇪 SWE, 2113).
David Leon (🇸🇪 SWE, 1820) won with 4.5/5, ahead of Ulf 1966 Johansson (4.0) and Joakim Svensson (3.5). Leon won solo starting round 4.
Location
🇸🇪Jonkoping, Sweden
Dates
11 Nov 2025 → 09 Dec 2025
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Round-robin · 5 rounds
Federations · 2 represented
🇸🇪Sweden×5
🇩🇰Denmark×1
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 5 roundsDavid Leon led from R4 onwards, the runner-up race stayed tight.
Co-leaders
3
1
2
1
1
R4 · LEADER CHANGE02 Dec
David Leon takes the sole lead (3.5/4).
R2 · HEAD-TO-HEAD · WINNER VS 2ND
David Leon drew with Ulf 1966 Johansson (White).
R3–R5 · WIN STREAK
David Leon won 3 in a row (R3–R5).
Cross-table
| # | Player | Elo | 1 | 2 | 3 | 4 | 5 | 6 | Pts | SB | Bh | Δ Elo | Perf |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 🇸🇪Leon, David | 1820 | * | ½ | 1 | 1 | 1 | 1 | 4.5 | 7.50 | 9.5 | +84.8 | 2210 |
| 2 | 🇸🇪Johansson, Ulf 1966 | 2113 | ½ | * | ½ | 1 | 1 | 1 | 4.0 | 6.00 | 10.0 | -7.2 | 2026 |
| 3 | 🇸🇪Svensson, Joakim | 1789 | 0 | ½ | * | 1 | 1 | 1 | 3.5 | 4.00 | 10.5 | +27.0 | 2000 |
| 4 | 🇸🇪Andersson, Soren 1955 | 1787 | 0 | 0 | 0 | * | 1 | 1 | 2.0 | 0.00 | 12.0 | -5.6 | 1779 |
| 5 | 🇩🇰Nielsen, Peter | 1759 | 0 | 0 | 0 | 0 | * | — | 0.0 | 0.00 | 14.0 | -29.0 | 1077 |
| 6 | 🇸🇪Baradaran Razaz, Nima | 1774 | 0 | 0 | 0 | 0 | — | * | 0.0 | 0.00 | 14.0 | -60.8 | 1077 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Leon, DavidSWE+84.84.5 pts · #1
- 2Svensson, JoakimSWE+27.03.5 pts · #3
- 3Andersson, Soren 1955SWE-5.62.0 pts · #4
Top rating losers
- 1Baradaran Razaz, NimaSWE-60.80.0 pts · #6
- 2Nielsen, PeterDEN-29.00.0 pts · #5
- 3Johansson, Ulf 1966SWE-7.24.0 pts · #2