SK 1911 Klubbmesterskap 2025 B
Open SwissStandard
8 players participated in this 8-round tournament, held from 26 May 2025 to 29 May 2025 in Oslo, Norway. Top 10 Elo average was 1070, and top seed was Mikael Nass (🇳🇴 NOR, 1788).
Albert Vogt-Ostli (🇳🇴 NOR, 1726) won with 7.0/8, ahead of Mikael Nass (6.0) and Gudmund Skjeldal (3.5). Vogt-Ostli broke clear in the final round.
The biggest upset came in round 6: Gudmund Skjeldal (1636) beat Halvor H Hartvig (1774), a +138-point gap.
Location
🇳🇴Oslo, Norway
Dates
26 May 2025 → 29 May 2025
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 8 rounds
Federations · 1 represented
🇳🇴Norway×8
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 8 roundsAlbert Vogt-Ostli led from R2; +1.0-point edge over the runner-up.
Co-leaders
3
1
1
1
1
1
2
1
R2–R8 · LEAD HELD
Albert Vogt-Ostli never relinquished the lead after R2; final gap +1.0 over the runner-up.
R2 · HEAD-TO-HEAD · WINNER VS 2ND
Albert Vogt-Ostli beat Mikael Nass (White).
WIN STREAKS · 2 top finishers
Albert Vogt-Ostli 7 wins (R1–R8)Mikael Nass 5 wins (R3–R7)
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Albert Vogt-Ostli | * | 1 | 1 | 1 |
| 2Mikael Nass | 0 | * | 1 | 1 |
| 3Gudmund Skjeldal | 0 | 0 | * | — |
| 4Aksel Valio | 0 | 0 | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | R7 | R8 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Vogt-Ostli, Albert | 1726 | NOR | +8N | +2B | +7N | +6B | +3N | +4B | F | +5B | 7.0 | 18.0 | 18.0 | 18.00 | 2508 | +38.2 |
| 2 | Nass, Mikael | 1788 | NOR | +3B | −1N | +5N | +4B | +6N | +8B | +7N | — | 6.0 | 18.5 | 19.0 | 12.00 | 1886 | +9.6 |
| 3 | Skjeldal, Gudmund | 1636 | NOR | −2N | +5B | =8N | +7B | −1B | +6N | F | F | 3.5 | 21.5 | 21.5 | 5.75 | 1731 | +10.6 |
| 4 | Valio, Aksel | 0 | NOR | +5N | =7B | F | −2N | +8B | −1N | F | F | 2.5 | 22.5 | 22.5 | 3.25 | 1444 | 0.0 |
| 5 | Samdal, Sigurd Jyssum | 0 | NOR | −4B | −3N | −2B | +8N | +7B | F | −6B | −1N | 2.0 | 23.0 | 23.0 | 2.00 | 1472 | 0.0 |
| 6 | Hartvig, Halvor H | 1774 | NOR | F | +8B | F | −1N | −2B | −3B | +5N | — | 2.0 | 22.5 | 23.0 | 2.50 | 916 | -34.8 |
| 7 | Shetelig, Erik | 1636 | NOR | F | =4N | −1B | −3N | −5N | F | −2B | +8N | 1.5 | 23.5 | 23.5 | 1.75 | 916 | -23.6 |
| 8 | Rystad, Simon Ragvin | 0 | NOR | −1B | −6N | =3B | −5B | −4N | −2N | F | −7B | 0.5 | 24.5 | 24.5 | 1.75 | 1346 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Vogt-Ostli, AlbertNOR+38.27.0 pts · #1
- 2Skjeldal, GudmundNOR+10.63.5 pts · #3
- 3Nass, MikaelNOR+9.66.0 pts · #2
Top rating losers
- 1Hartvig, Halvor HNOR-34.82.0 pts · #8
- 2Shetelig, ErikNOR-23.61.5 pts · #7
- 3Valio, AkselNOR0.02.5 pts · #5
Biggest upsets
- R6+138 Elo gap