CChessStats

FSS KM 2026 B

Open SwissStandard

10 players participated in this 9-round tournament, held from 27 Apr 2026 to 08 May 2026 in Fredrikstad, Norway. Top 10 Elo average was 1592, and top seed was Yevhen Petrovyeh (🇳🇴 NOR, 1738).

Per Oistein Nordtug (🇳🇴 NOR, 1599) won with 8.5/9, ahead of Vladislav Sivtsev (7.0) and Yevhen Petrovyeh (6.5). Nordtug won solo starting round 5.

The biggest upset came in round 5: Vladislav Sivtsev (1517) beat Yevhen Petrovyeh (1738), a +221-point gap.

Location
🇳🇴Fredrikstad, Norway
Dates
27 Apr 2026 → 08 May 2026
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 9 rounds
Top seed
🇳🇴Yevhen Petrovyeh1738
Avg top 10
1,592
Participants
10
Federations · 1 represented
🇳🇴Norway×10
Top 3

How it unfolded

Top 6 · 9 rounds

Per Oistein Nordtug led from R5; +1.5-point edge over the runner-up. Title race converged from 2 co-leaders at R4 to 1 by R5.

Co-leaders
5
3
2
2
1
1
1
1
1
2.54.579R1R2R3R4R5R6R7R8R9
Nordtug8.5Sivtsev7Petrovyeh6.5Jansson4.5Westereng4Kolflaath4
R5–R9 · LEAD HELD

Per Oistein Nordtug never relinquished the lead after R5; final gap +1.5 over the runner-up.

R2 · HEAD-TO-HEAD · WINNER VS 2ND

Per Oistein Nordtug beat Vladislav Sivtsev (White).

WIN STREAKS · 3 top finishers

Per Oistein Nordtug 8 wins (R1–R8)Vladislav Sivtsev 5 wins (R5–R9)Yevhen Petrovyeh 4 wins (R1–R4)

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1Per Oistein Nordtug*
1
1
1
2Vladislav Sivtsev
0
*
1
1
3Yevhen Petrovyeh
0
0
*
1
4Helge Jansson
0
0
0
*

Grille américaine

#PlayerEloFedR1R2R3R4R5R6R7R8R9PtsBu C1BuSBPerfΔ
1Nordtug, Per Oistein1599NOR+7N+2B+4N+6B+9N+5B+10N+3B=8N8.535.036.534.752034+76.0
2Sivtsev, Vladislav1517NOR+8N−1N+6B−5N+3B+7N+4B+9N+10B7.036.538.025.501820+70.0
3Petrovyeh, Yevhen1738NOR+4N+9B+10N+8B−2N+6B+5N−1N=7B6.537.038.521.251742+4.0
4Jansson, Helge1612NOR−3B−7N−1B+9B+10N+8B−2N=6B+5N4.539.040.513.001590-5.8
5Kolflaath, Jan1680NOR+9N−10B+8N+2B+6N−1N−3B−7N−4B4.039.541.016.501539-33.6
6Westereng, Jan Erik1514NOR+10N+8B−2N−1N−5B−3N+7B=4N=9B4.039.541.011.751557+9.4
7Stette, Harald Peter1606NOR−1B+4B−9N+10B−8N−2B−6N+5B=3N3.540.041.513.251510-24.0
8Midtgard, Andre1494NOR−2B−6N−5B−3N+7B−4N+9B+10N=1B3.540.041.511.251517-8.8
9Helgesen, Jack Andre1641NOR−5B−3N+7B−4N−1B=10B−8N−2B=6N2.041.543.06.251370-54.6
10Madsen, Egil1516NOR−6B+5N−3B−7N−4B=9N−1B−8B−2N1.541.543.55.001331-30.6

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets