Kalundborg Vinter Weekend 2026 - 7
Round-RobinStandard
6 players participated in this 5-round tournament, held from 13 Feb 2026 to 15 Feb 2026 in Kalundborg, Denmark. 2 federations represented. Top 10 Elo average was 746, and top seed was Prasham Shah (🇩🇰 DEN, 1513).
Erling Hoff Petersen (🇩🇰 DEN, 1506) won with 4.0/5, ahead of Jesper Koch-Muller (4.0) and Ramanathan Hariharaiyer (3.0). Petersen shared the lead from round 4, winning on tie-break.
Location
🇩🇰Kalundborg, Denmark
Dates
13 Feb 2026 → 15 Feb 2026
Time control
Standard: 90 minutes for first 40 moves and 15 min. for the rest of the game with 30 sec. increment from move 1
System
Round-robin · 5 rounds
Federations · 2 represented
🇩🇰Denmark×5
🇸🇪Sweden×1
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 5 roundsTitle race narrowed from 2 co-leaders at R4 to 2 at the finish.
Co-leaders
3
1
1
2
2
R4 · HEAD-TO-HEAD · WINNER VS 2ND
Erling Hoff Petersen beat Jesper Koch-Muller (White).
WIN STREAKS · 2 top finishers
Erling Hoff Petersen 4 wins (R2–R5)Jesper Koch-Muller 3 wins (R1–R3)
Cross-table
| # | Player | Elo | 1 | 2 | 3 | 4 | 5 | 6 | Pts | SB | Bh | Δ Elo | Perf |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 🇩🇰Petersen, Erling Hoff | 1506 | * | 1 | 1 | 1 | 0 | 1 | 4.0 | 10.00 | 11.0 | +18.8 | 2284 |
| 3 | 🇩🇰Koch-Muller, Jesper | 1456 | 0 | * | 1 | 1 | 1 | 1 | 4.0 | 7.00 | 11.0 | +3.0 | 1509 |
| 2 | 🇩🇰Hariharaiyer, Ramanathan | 0 | 0 | 0 | * | 1 | 1 | 1 | 3.0 | 4.00 | 12.0 | 0.0 | 1366 |
| 4 | 🇸🇪Preman, Ethan | 0 | 0 | 0 | 0 | * | 1 | 1 | 2.0 | 2.00 | 13.0 | 0.0 | 1366 |
| 5 | 🇩🇰Shekar, Rohan | 0 | 1 | 0 | 0 | 0 | * | 0 | 1.0 | 4.00 | 14.0 | 0.0 | 1366 |
| 6 | 🇩🇰Shah, Prasham | 1513 | 0 | 0 | 0 | 0 | 1 | * | 1.0 | 1.00 | 14.0 | -43.6 | 681 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Petersen, Erling HoffDEN+18.84.0 pts · #1
- 2Koch-Muller, JesperDEN+3.04.0 pts · #3
- 3Shekar, RohanDEN0.01.0 pts · #5
Top rating losers
- 1Shah, PrashamDEN-43.61.0 pts · #6
- 2Shekar, RohanDEN0.01.0 pts · #5
- 3Hariharaiyer, RamanathanDEN0.03.0 pts · #2