CChessStats

KSK Hostturneringen 2025 R 1-3

Open SwissStandard

21 players participated in this 3-round tournament, held from 10 Sept 2025 to 24 Sept 2025 in Kristiansand, Norway. 3 federations represented. Top 10 Elo average was 1773, and top seed was Kent Roger Samuelsen (🇳🇴 NOR, 1928).

Mark Shcherbyna (🇺🇦 UKR, 1681) won with 3.0/3, ahead of Kent Roger Samuelsen (2.0) and Ulrich Dalseth (2.0). Shcherbyna broke clear in the final round.

The biggest upset came in round 3: Mark Shcherbyna (1681) beat Kent Roger Samuelsen (1928), a +247-point gap.

Location
🇳🇴Kristiansand, Norway
Dates
10 Sept 2025 → 24 Sept 2025
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss · 3 rounds
Top seed
Avg top 10
1,773
Participants
21
Federations · 3 represented
🇳🇴Norway×17
🇺🇦Ukraine×1
🇩🇪Germany×1
Top 3

How it unfolded

Top 6 · 3 rounds

Mark Shcherbyna led from R3; +1.0-point edge over the runner-up.

Co-leaders
6
2
1
11.52.53R1R2R3
R3–R3 · LEAD HELD

Mark Shcherbyna never relinquished the lead after R3; final gap +1.0 over the runner-up.

R3 · HEAD-TO-HEAD · WINNER VS 2ND

Mark Shcherbyna beat Kent Roger Samuelsen (White).

R1–R3 · WIN STREAK

Mark Shcherbyna won 3 in a row (R1–R3).

Key matchups · top 4

Head-to-head between the four finishers

Grille américaine

#PlayerEloFedR1R2R3PtsBu C1BuSBPerfΔ
1Shcherbyna, Mark1681UKR+9B+3N+2B3.04.05.05.002657+58.0
2Samuelsen, Kent Roger1928NOR+4B+15N1N2.05.06.03.001760-10.6
3Dalseth, Ulrich1786NOR+17N1B+11N2.04.04.51.501821+3.0
4Tonnessen, Olav August D1653NOR2N+17B+16N2.03.03.51.501899+19.0
5Andersen, Gunnar1774NOR+13B10N+9B2.02.03.02.001620-8.2
6Karlsen, Cyril1761NORF+19N+10B2.01.01.01.002509+34.0
7Fossheim, Matias Arhus0NOR+18BF+12N2.01.01.01.0014960.0
8Vatne, Benjamin Ljosland1620NORF=11B+20N1.51.01.00.501797+9.2
9Navidades, Pau Miquel0NOR1N+13B5N1.05.06.01.0015580.0
10Reinecke, Marten1647GERF+5B6N1.04.04.02.001768+13.2
11Myhre, Asbjorn1797NOR=14B=8N3B1.03.54.51.251565-18.6
12Tonnessen, Alf Tomas1476NORF+14N7B1.03.03.01.002464+14.8
13Skorge, Geir Arne1594NOR5N9N+18B1.03.03.00.00974-5.2
14Leer-Helgesen, Andreas1667NOR=11N12B=17N1.02.02.50.751502-25.6
15Huse, Eirik1571NOR+21N2B1.02.02.00.001857+26.4
16Arntsen, Frode1784NORF+18N4B1.02.02.00.00853-13.6
17Karlsen, Ciljan1606NOR3B4N=14B0.54.05.00.501428-25.2
18FIDE 159745007N16B13N0.03.04.00.008890.0
19Quist, Susanne1770NORF6B0.02.02.00.00961-10.2
20FIDE 5560014100FF8B0.01.51.50.008200.0
21Syrrist, Guttorm Strande1785NOR15B0.00.01.00.00771-15.4

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets