HSK Klubturnier 2025 B1-Gruppe September
Round-RobinStandard
9 players participated in this 4-round tournament, held from 16 Sept 2025 to 30 Sept 2025 in Hamburg, Germany. 2 federations represented. Top 10 Elo average was 1840, and top seed was Kai Mueller (🇩🇪 GER, 1952).
Kai Mueller (🇩🇪 GER, 1952) won with 2.5/4, ahead of Michael Weisz (1.5) and Bendix Perschk (1.0).
The biggest upset came in round 1: Bendix Perschk (1763) beat Nikolai Rudenko (1907), a +144-point gap.
Location
🇩🇪Hamburg, Germany
Dates
16 Sept 2025 → 30 Sept 2025
Time control
Standard: 90min/40moves+30min/end+30sec increment per move starting from move 1
System
Round-robin · 4 rounds
Federations · 2 represented
🇩🇪Germany×8
🇵🇱Poland×1
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 9 · 4 roundsKai Mueller led from R2 onwards, the runner-up race stayed tight.
Co-leaders
1
1
1
1
R2 · LEADER CHANGE25 Sept
Kai Mueller takes the sole lead (1.5/2).
Cross-table
| # | Player | Elo | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | Pts | SB | Bh | Δ Elo | Perf |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 🇩🇪Mueller, Kai | 1952 | * | — | 1 | — | — | ½ | 1 | — | — | 2.5 | 1.75 | 2.0 | +4.4 | 2024 |
| 2 | 🇩🇪Weisz, Michael | 1929 | — | * | — | ½ | — | 1 | — | — | — | 1.5 | 1.00 | 1.5 | +8.0 | 2012 |
| 3 | 🇩🇪Perschk, Bendix | 1763 | 0 | — | * | — | 1 | — | — | — | — | 1.0 | 1.00 | 3.5 | +8.8 | 1930 |
| 5 | 🇩🇪Wolfram, Tom | 1852 | — | ½ | — | * | — | — | — | — | ½ | 1.0 | 1.00 | 2.0 | +3.8 | 1920 |
| 4 | 🇩🇪Rudenko, Nikolai | 1907 | — | — | 0 | — | * | — | — | 1 | — | 1.0 | 0.50 | 1.5 | -8.0 | 1758 |
| 9 | 🇩🇪Tscherepanov, Leon | 1785 | ½ | 0 | — | — | — | * | — | — | — | 0.5 | 1.25 | 4.0 | -1.8 | 1748 |
| 8 | 🇵🇱Opasiak, Dustin Tennessee | 1707 | 0 | — | — | — | — | — | * | ½ | — | 0.5 | 0.25 | 3.0 | -2.4 | 1660 |
| 7 | 🇩🇪Busch, Jonathan Luis | 1753 | — | — | — | — | 0 | — | ½ | * | — | 0.5 | 0.25 | 1.5 | -14.4 | 1614 |
| 6 | 🇩🇪Cramer, Philipp | 1911 | — | — | — | ½ | — | — | — | — | * | 0.5 | 0.50 | 1.0 | -1.6 | 1852 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Perschk, BendixGER+8.81.0 pts · #3
- 2Weisz, MichaelGER+8.01.5 pts · #2
- 3Mueller, KaiGER+4.42.5 pts · #1
Top rating losers
- 1Busch, Jonathan LuisGER-14.40.5 pts · #7
- 2Rudenko, NikolaiGER-8.01.0 pts · #4
- 3Opasiak, Dustin TennesseePOL-2.40.5 pts · #8
Biggest upsets
- R1+144 Elo gap