CChessStats

Kalundborg Vinter Weekend 2026 - 6

Round-RobinStandard

6 players participated in this 5-round tournament, held from 13 Feb 2026 to 15 Feb 2026 in Kalundborg, Denmark. Top 10 Elo average was 1055, and top seed was Gleb Leonchuk (🇩🇰 DEN, 1632).

Gleb Leonchuk (🇩🇰 DEN, 1632) won with 4.0/5, ahead of Avira Karthik Vaenil (3.0) and Preben Jensen (1.5). Leonchuk won solo starting round 4.

The biggest upset came in round 4: Leif Marius Lucking (1476) beat Oliver Collin Nielsen (1619), a +143-point gap.

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
Top seed
🇩🇰Gleb Leonchuk1632
Avg top 10
1,055
Participants
6
Federations · 1 represented
🇩🇰Denmark×5
Top 3

How it unfolded

Top 6 · 5 rounds

Gleb Leonchuk led from R4 onwards, the runner-up race stayed tight.

Co-leaders
3
2
2
1
1
#1#2#3#6R1R2R3R4R5
Leonchuk#1Karthik Vaenil#2Nielsen#3Jensen#4Lucking#5#6
R4–R5 · LEAD HELD

Gleb Leonchuk never relinquished the lead after R4; final gap +1.0 over the runner-up.

R4 · HEAD-TO-HEAD · WINNER VS 2ND

Gleb Leonchuk beat Avira Karthik Vaenil (Black).

R1–R5 · WIN STREAK

Gleb Leonchuk won 4 in a row (R1–R5).

Cross-table

#PlayerElo123456PtsSBBhΔ EloPerf
1🇩🇰Leonchuk, Gleb1632*1111—4.07.007.0+74.02405
2🇩🇰Karthik Vaenil, Avira00*½½113.02.508.0-29.21583
4🇩🇰Jensen, Preben16040½*01—1.52.509.5-9.01525
3🇩🇰Nielsen, Oliver Collin16190½1*0—1.53.009.5-22.01522
5🇩🇰Lucking, Leif Marius14760001*—1.01.5010.0-4.81451
6FIDE 14900440—0———*0.00.003.00.0922

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets