CChessStats

Kalundborg Efteraar EMT 2025 - 6

Round-RobinStandard

6 players participated in this 5-round tournament, held from 14 Nov 2025 to 16 Nov 2025 in Kalundborg, Denmark. Top 10 Elo average was 965, and top seed was Erling Hoff Petersen (🇩🇰 DEN, 1508).

Oliver Collin Nielsen (🇩🇰 DEN, 0) won with 4.5/5, ahead of Jesper Koch-Muller (3.0) and Elias Rosenkvist (2.5). Nielsen won solo starting round 4.

Location
🇩🇰Kalundborg, Denmark
Dates
14 Nov 2025 → 16 Nov 2025
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
Top seed
🇩🇰Erling Hoff Petersen1508
Avg top 10
965
Participants
6
Federations · 1 represented
🇩🇰Denmark×6
Top 3

How it unfolded

Top 6 · 5 rounds

Oliver Collin Nielsen led from R4 onwards, the runner-up race stayed tight.

Co-leaders
2
3
2
1
1
#1#2#3#6R1R2R3R4R5
R4–R5 · LEAD HELD

Oliver Collin Nielsen never relinquished the lead after R4; final gap +1.5 over the runner-up.

R5 · DECISIVE LEAD14 Nov

Oliver Collin Nielsen opens a +1.5-point gap over the chasing pack (closest: Jesper Koch-Muller); the title is out of reach before R5.

R1 · HEAD-TO-HEAD · WINNER VS 2ND

Oliver Collin Nielsen beat Jesper Koch-Muller (White).

Cross-table

#PlayerElo123456PtsSBBhΔ EloPerf
1🇩🇰Nielsen, Oliver Collin0*1½1114.59.2510.50.01522
4🇩🇰Koch-Muller, Jesper14230*10113.05.0012.0+3.21482
3🇩🇰Rosenkvist, Elias0½0*1012.54.7512.50.01337
2🇩🇰Petersen, Erling Hoff1508010*½12.54.2512.5+6.21632
5🇩🇰Bertl-Eberle, Emil1455001½*12.53.7512.5-18.81273
6🇩🇰Skytte, Amanda140400000*0.00.0015.00.0662

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Kalundborg Efteraar EMT 2025 - 6 — Kalundborg, Denmark | Chess Tournament Results | ChessStats