Klubbmesterkskapet Indre Ostfold Sjakkselskap 2026
28 players participated in this 10-round tournament, held from 17 Mar 2026 to 14 Apr 2026 in Askim, Norway. 2 federations represented. Top 10 Elo average was 1812, and top seed was Jan Sorgjerd (🇳🇴 NOR, 1975).
Eldin David (🇳🇴 NOR, 1949) won with 8.0/10, ahead of Jan Sorgjerd (8.0) and Dag Andersen (7.0). David shared the lead from round 8, winning on tie-break.
The biggest upset came in round 10: Lars Joachim Kaatorp (1641) beat Dag Andersen (1788), a +147-point gap.
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How it unfolded
Top 6 · 10 roundsTight race until R10; 2 players tied at 8.0/10, decided on Buchholz.
2 players finish on 8.0/10. David takes the title on Buchholz Cut1 (50.0).
Eldin David drew with Jan Sorgjerd (Black).
Eldin David 4 wins (R7–R10)Jan Sorgjerd 3 wins (R8–R10)Dag Andersen 4 wins (R1–R4)
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Eldin David | * | ½ | ½ | 1 |
| 2Jan Sorgjerd | ½ | * | ½ | 1 |
| 3Dag Andersen | ½ | ½ | * | ½ |
| 4Odd Andersen | 0 | 0 | ½ | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | R7 | R8 | R9 | R10 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | David, Eldin | 1949 | NOR | =13N | +4B | =2N | +21B | =3N | =6B | +7N | +11B | +5B | +9N | 8.0 | 50.0 | 52.0 | 40.00 | 1988 | +11.2 |
| 2 | Sorgjerd, Jan | 1975 | NOR | +5B | =6N | =1B | +7N | +4N | =3B | =11B | +10N | +15N | +12B | 8.0 | 49.5 | 52.5 | 40.25 | 1901 | -9.0 |
| 3 | Andersen, Dag | 1788 | NOR | +26B | +8N | +7B | +6N | =1B | =2N | =13B | =4N | +10B | −5N | 7.0 | 51.5 | 51.5 | 32.50 | 1843 | +12.2 |
| 4 | Andersen, Odd | 1756 | NOR | +12B | −1N | +8B | +5N | −2B | F | +16N | =3B | +6N | +7N | 6.5 | 51.0 | 51.0 | 31.50 | 1841 | +16.8 |
| 5 | Kaatorp, Lars Joachim | 1641 | NOR | −2N | +15B | +9N | −4B | +12N | =13N | =6B | +7B | −1N | +3B | 6.0 | 51.5 | 54.5 | 27.50 | 1758 | +22.4 |
| 6 | David, Silas | 1732 | NOR | +24N | =2B | +10N | −3B | F | =1N | =5N | +12B | −4B | +11N | 5.5 | 48.0 | 48.0 | 23.50 | 1774 | +18.8 |
| 7 | Asko Skogan, Per Erik | 0 | NOR | +15N | +9B | −3N | −2B | +8N | +14N | −1B | −5N | +16B | −4B | 5.0 | 51.5 | 54.5 | 19.00 | 1622 | 0.0 |
| 8 | Martinsen, Bendik | 1525 | NOR | +20N | −3B | −4N | +10B | −7B | −17N | +26B | +28N | −25N | +15B | 5.0 | 32.0 | 32.0 | 9.50 | 1451 | -19.6 |
| 9 | Kaatorp, Mathias | 1423 | NOR | +19B | −7N | −5B | +24N | −13B | −11N | =12B | +26N | +20B | −1B | 4.5 | 36.0 | 36.0 | 7.75 | 1333 | -16.4 |
| 10 | Fremmegard, Jens Tore | 1526 | NOR | F | +16N | −6B | −8N | +15B | F | +14B | −2B | −3N | +19N | 4.0 | 37.5 | 37.5 | 12.00 | 1477 | -7.6 |
| 11 | Dikic, Milan | 1647 | NOR | F | −13B | +20B | +17N | =22N | +9B | =2N | −1N | F | −6B | 4.0 | 37.0 | 37.0 | 15.00 | 1695 | +9.2 |
| 12 | Aamodt, Audun | 1564 | NOR | −4N | F | =14B | =22N | −5B | +19B | =9N | −6N | +24B | −2N | 3.5 | 39.5 | 39.5 | 8.50 | 1415 | -22.4 |
| 13 | Holter, Theodor | 1876 | NOR | =1B | +11N | F | F | +9N | =5B | =3N | — | — | — | 3.5 | 29.5 | 29.5 | 19.00 | 1849 | -0.4 |
| 14 | Edvardsen, Lars | 1613 | NOR | +22B | −23B | =12N | +16N | F | −7B | −10N | −15B | F | +26B | 3.5 | 22.5 | 22.5 | 6.75 | 1294 | -23.8 |
| 15 | Asko, Arwin | 0 | NOR | −7B | −5N | −16B | F | −10N | +?B | +24N | +14N | −2B | −8N | 3.0 | 35.5 | 35.5 | 4.50 | 1416 | 0.0 |
| 16 | FIDE 556004028 | 0 | — | F | −10B | +15N | −14B | +?N | F | −4B | +20N | −7N | −18B | 3.0 | 27.5 | 27.5 | 5.50 | 816 | 0.0 |
| 17 | Dahl, Eivind | 1559 | NOR | F | −18N | +24B | −11B | +19N | +8B | F | — | — | — | 3.0 | 15.5 | 15.5 | 8.50 | 1455 | -16.8 |
| 18 | Bjontegaard, Tobias | 1569 | NOR | F | +17B | −21N | F | F | F | F | +19B | F | +16N | 3.0 | 10.5 | 10.5 | 8.50 | 1752 | +16.0 |
| 19 | FIDE 556000278 | 0 | — | −9N | −21B | +26N | F | −17B | −12N | =20B | −18N | +27N | −10B | 2.5 | 22.5 | 22.5 | 1.25 | 798 | 0.0 |
| 20 | FIDE 556003641 | 0 | — | −8B | F | −11N | +26B | F | F | =19N | −16B | −9N | +27B | 2.5 | 19.0 | 19.0 | 1.25 | 731 | 0.0 |
| 21 | Rukovci, Shemsi | 1945 | KOS | F | +19N | +18B | −1N | F | — | — | — | — | — | 2.0 | 13.5 | 13.5 | 5.50 | 1759 | -8.0 |
| 22 | Johansen, Truls | 0 | NOR | −14N | +26N | F | =12B | =11B | F | — | — | — | — | 2.0 | 11.0 | 11.0 | 3.75 | 1483 | 0.0 |
| 23 | Undrum, Christoffer | 1610 | NOR | +27B | +14N | F | F | — | — | — | — | — | — | 2.0 | 3.5 | 3.5 | 3.50 | 2413 | +20.0 |
| 24 | FIDE 556008589 | 0 | — | −6B | F | −17N | −9B | F | +26N | −15B | F | −12N | F | 1.0 | 19.5 | 19.5 | 0.00 | 769 | 0.0 |
| 25 | Lunde, Sigmund | 1810 | NOR | F | F | F | F | F | F | F | F | +8B | — | 1.0 | 5.0 | 5.0 | 5.00 | 2325 | +3.0 |
| 26 | FIDE 556000294 | 0 | — | −3N | −22B | −19B | −20N | F | −24B | −8N | −9B | F | −14N | 0.0 | 28.0 | 28.0 | 0.00 | 787 | 0.0 |
| 27 | FIDE 1555154 | 0 | — | −23N | F | F | F | F | −?B | F | F | −19B | −20N | 0.0 | 7.0 | 7.0 | 0.00 | 941 | 0.0 |
| 28 | Consuerga, Jose Anton | 0 | NOR | F | F | F | F | F | F | F | −8B | — | — | 0.0 | 5.0 | 5.0 | 0.00 | 725 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
- 1Kaatorp, Lars JoachimNOR+22.46.0 pts · #6
- 2Undrum, ChristofferNOR+20.02.0 pts · #13
- 3David, SilasNOR+18.85.5 pts · #5
- 1Edvardsen, LarsNOR-23.83.5 pts · #20
- 2Aamodt, AudunNOR-22.43.5 pts · #10
- 3Martinsen, BendikNOR-19.65.0 pts · #16
- R10+147 Elo gap