CChessStats

Kalundborg U1800 Sommerskak 2025

Open SwissStandard

6 players participated in this 6-round tournament, held from 11 Jul 2025 to 12 Jul 2025 in Kalundborg, Denmark. Top 10 Elo average was 1334, and top seed was William Otto Hjorth (🇩🇰 DEN, 1673).

William Otto Hjorth (🇩🇰 DEN, 1673) won with 5.0/6, ahead of Phillip Dannerso Nielsen (2.5) and Rasmus Peulecke (2.0). Hjorth won solo starting round 4.

Location
🇩🇰Kalundborg, Denmark
Dates
11 Jul 2025 → 12 Jul 2025
Time control
Standard: 60 minutes for game
System
Swiss · 6 rounds
Top seed
🇩🇰William Otto Hjorth1673
Avg top 10
1,334
Participants
6
Federations · 1 represented
🇩🇰Denmark×6
Top 3

How it unfolded

Top 6 · 6 rounds

William Otto Hjorth led from R2; +2.5-point edge over the runner-up.

Co-leaders
3
1
2
1
1
1
1.534.56R1R2R3R4R5R6
Hjorth5Nielsen2.5Peulecke—Jensen1.5Peulecke—Djurhuus1
R2–R6 · LEAD HELD

William Otto Hjorth never relinquished the lead after R2; final gap +2.5 over the runner-up.

R4 · HEAD-TO-HEAD · WINNER VS 2ND

William Otto Hjorth beat Phillip Dannerso Nielsen (White).

R1–R6 · WIN STREAK

William Otto Hjorth won 5 in a row (R1–R6).

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1William Otto Hjorth*
1
1
1
2Phillip Dannerso Nielsen
0
*
1
½
3Rasmus Peulecke
0
0
*
1
4Preben Jensen
0
½
0
*

Grille américaine

#PlayerEloFedR1R2R3R4R5R6PtsBu C1BuSBPerfΔ
1Hjorth, William Otto1673DEN+4B+3NF+2B+6N+5B5.08.08.08.002382+60.4
2Nielsen, Phillip Dannerso1629DEN+5BF+3B−1NF=4B2.59.59.53.751688+12.0
3Peulecke, Rasmus1529DEN+6B−1B−2N+4N——2.09.010.02.501510-2.8
4Jensen, Preben1603DEN−1N−6NF−3B+5B=2N1.511.511.52.251513-10.2
5Djurhuus, Petur1568DEN−2NF+6BF−4N−1N1.010.010.01.00835-24.6
6Peulecke, Kristian0DEN−3N+4B−5NF−1B—1.09.59.51.5014000.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers