Septemberturneringen JSS 2025 grp 1
Round-RobinStandard
Location
🇸🇪Jonkoping, Sweden
Dates
28 Aug 2025 → 09 Sept 2025
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Round-robin · 3 rounds
Federations · 1 represented
🇸🇪Sweden×4
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 4 · 3 roundsDavid Leon led from R2 onwards, the runner-up race stayed tight.
Co-leaders
2
1
1
R2–R3 · LEAD HELD
David Leon never relinquished the lead after R2; final gap +1.0 over the runner-up.
R1 · HEAD-TO-HEAD · WINNER VS 2ND
David Leon beat Joakim Svensson (White).
R1–R3 · WIN STREAK
David Leon won 3 in a row (R1–R3).
Cross-table
| # | Player | Elo | 1 | 2 | 3 | 4 | Pts | SB | Bh | Δ Elo | Perf |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 🇸🇪Leon, David | 1752 | * | 1 | 1 | 1 | 3.0 | 3.00 | 3.0 | +58.8 | 2545 |
| 2 | 🇸🇪Svensson, Joakim | 1783 | 0 | * | 1 | 1 | 2.0 | 1.00 | 4.0 | +6.0 | 1859 |
| 3 | 🇸🇪Sandstrom, Richard | 1743 | 0 | 0 | * | 1 | 1.0 | 0.00 | 5.0 | -9.6 | 1623 |
| 4 | 🇸🇪Boberg, Hannes | 1708 | 0 | 0 | 0 | * | 0.0 | 0.00 | 6.0 | -51.6 | 959 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Leon, DavidSWE+58.83.0 pts · #1
- 2Svensson, JoakimSWE+6.02.0 pts · #2
- 3Sandstrom, RichardSWE-9.61.0 pts · #3
Top rating losers
- 1Boberg, HannesSWE-51.60.0 pts · #4
- 2Sandstrom, RichardSWE-9.61.0 pts · #3
- 3Svensson, JoakimSWE6.02.0 pts · #2