KSK Hostturneringen 2025 R 8-9
20 players participated in this 9-round tournament, held from 03 Nov 2025 to 26 Nov 2025 in Kristiansand, Norway. 3 federations represented. Top 10 Elo average was 1734, and top seed was Asbjorn Myhre (🇳🇴 NOR, 1797).
Cyril Karlsen (🇳🇴 NOR, 1761) won with 6.0/9, ahead of Mark Shcherbyna (4.0) and Ciljan Karlsen (4.0). Karlsen shared the lead from round 4 and won solo starting round 5.
The biggest upset came in round 5: Eirik Huse (1571) beat Asbjorn Myhre (1797), a +226-point gap.
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How it unfolded
Top 6 · 9 roundsCyril Karlsen led from R5; +2.0-point edge over the runner-up. Title race converged from 6 co-leaders at R4 to 1 by R5.
Cyril Karlsen never relinquished the lead after R5; final gap +2.0 over the runner-up.
Cyril Karlsen beat Mark Shcherbyna (Black).
Cyril Karlsen 6 wins (R4–R9)Mark Shcherbyna 3 wins (R7–R9)
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Cyril Karlsen | * | 1 | — | 1 |
| 2Mark Shcherbyna | 0 | * | 1 | — |
| 3Marten Reinecke | — | 0 | * | — |
| 4Ciljan Karlsen | 0 | — | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | R7 | R8 | R9 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Karlsen, Cyril | 1761 | NOR | F | F | F | +7N | +10B | +2N | +14B | +13N | +3B | 6.0 | 13.0 | 13.0 | 13.00 | 2483 | +61.2 |
| 2 | Shcherbyna, Mark | 1681 | UKR | F | F | F | +10N | F | −1B | +4N | +19B | +6N | 4.0 | 14.0 | 14.0 | 8.00 | 1934 | +44.4 |
| 3 | Karlsen, Ciljan | 1606 | NOR | F | F | F | −5N | +12N | +11B | +18N | +8B | −1N | 4.0 | 13.5 | 13.5 | 4.00 | 1686 | +11.2 |
| 4 | Reinecke, Marten | 1647 | GER | F | F | F | +11B | F | +20N | −2B | +9N | +5B | 4.0 | 10.0 | 10.0 | 6.00 | 1919 | +65.6 |
| 5 | Myhre, Asbjorn | 1797 | NOR | F | F | F | +3B | −9N | +8N | =7B | +10N | −4N | 3.5 | 14.5 | 14.5 | 8.00 | 1660 | -17.0 |
| 6 | Leer-Helgesen, Andreas | 1667 | NOR | F | F | F | +12B | F | +10N | =9B | =7N | −2B | 3.0 | 9.5 | 9.5 | 3.75 | 1625 | -12.8 |
| 7 | Tonnessen, Olav August D | 1653 | NOR | F | F | F | −1B | F | F | =5N | =6B | +8N | 2.0 | 14.5 | 14.5 | 5.25 | 1735 | +6.2 |
| 8 | Skorge, Geir Arne | 1594 | NOR | F | F | F | F | +15N | −5B | +10B | −3N | −7B | 2.0 | 11.5 | 11.5 | 2.00 | 1531 | -8.0 |
| 9 | Huse, Eirik | 1571 | NOR | F | F | F | F | +5B | F | =6N | −4B | — | 1.5 | 10.5 | 10.5 | 5.00 | 1708 | +18.0 |
| 10 | Fossheim, Matias Arhus | 0 | NOR | F | F | F | −2B | −1N | −6B | −8N | −5B | +17N | 1.0 | 19.5 | 19.5 | 1.00 | 936 | -37.6 |
| 11 | Tonnessen, Alf Tomas | 1476 | NOR | F | F | F | −4N | F | −3N | +12B | −16B | — | 1.0 | 10.0 | 10.0 | 1.00 | 822 | -19.6 |
| 12 | FIDE 1597450 | 0 | — | F | F | F | −6N | −3B | −15B | −11N | +18B | −?N | 1.0 | 9.0 | 9.0 | 0.00 | 768 | 0.0 |
| 13 | Andersen, Gunnar | 1774 | NOR | F | F | F | +16N | F | −14N | F | −1B | — | 1.0 | 8.0 | 8.0 | 1.00 | 1626 | -11.0 |
| 14 | Dalseth, Ulrich | 1786 | NOR | F | F | F | F | F | +13B | −1N | — | — | 1.0 | 7.0 | 7.0 | 1.00 | 1826 | +2.0 |
| 15 | Andresen, Frank | 1487 | NOR | F | F | F | F | −8B | +12N | — | — | — | 1.0 | 3.0 | 3.0 | 1.00 | 788 | -13.2 |
| 16 | Vatne, Benjamin Ljosland | 1620 | NOR | F | F | F | −13B | F | F | F | +11N | — | 1.0 | 2.0 | 2.0 | 1.00 | 1629 | +4.8 |
| 17 | Navidades, Pau Miquel | 0 | NOR | F | F | F | F | F | +18B | F | F | −10B | 1.0 | 1.0 | 1.0 | 0.00 | 670 | 0.0 |
| 18 | FIDE 556001410 | 0 | — | F | F | F | F | F | −17N | −3B | −12N | — | 0.0 | 6.0 | 6.0 | 0.00 | 828 | 0.0 |
| 19 | Syrrist, Guttorm Strande | 1785 | NOR | F | F | F | F | F | F | F | −2N | — | 0.0 | 4.0 | 4.0 | 0.00 | 959 | -10.4 |
| 20 | Arntsen, Frode | 1784 | NOR | F | F | F | F | F | −4B | — | — | — | 0.0 | 4.0 | 4.0 | 0.00 | 860 | -13.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
- 1Reinecke, MartenGER+65.64.0 pts · #3
- 2Karlsen, CyrilNOR+61.26.0 pts · #1
- 3Shcherbyna, MarkUKR+44.44.0 pts · #2
- 1Fossheim, Matias ArhusNOR-37.61.0 pts · #14
- 2Tonnessen, Alf TomasNOR-19.61.0 pts · #18
- 3Myhre, AsbjornNOR-17.03.5 pts · #4
- R5+226 Elo gap
- R9+150 Elo gap
- R6+137 Elo gap