CChessStats

Stockholm ELO Challenge 2026

Open SwissStandard

30 players participated in this 9-round tournament, held from 13 May 2026 to 17 May 2026 in Stockholm, Sweden. 4 titled players from 3 federations. Top 10 Elo average was 2119, and top seed was Vidar Grahn (🇸🇪 SWE, FM, 2219).

Vidar Grahn (🇸🇪 SWE, FM, 2219) won with 7.5/9, ahead of Lukas Willstedt (6.5) and Oliver Nilsson (6.0). Grahn won solo starting round 3.

The biggest upset came in round 7: Vivan Thamarai (1518) beat Per Lindvall (1835), a +317-point gap.

Location
🇸🇪Stockholm, Sweden
Dates
13 May 2026 → 17 May 2026
Time control
Standard: 90 minutes for first 40 moves and 15 min. for the rest of the game with 30 sec. increment from move 1
System
Swiss · 9 rounds
Top seed
🇸🇪FMVidar Grahn2219
Avg top 10
2,119
Participants
30
Titled players · 4
FM×2
CM×2
Federations · 3 represented
🇸🇪Sweden×28
🇲🇳Mongolia×1
FIDE (no federation)×1
Top 3

How it unfolded

Top 6 · 9 rounds

FM Vidar Grahn led from R3; +1.0-point edge over the runner-up.

Co-leaders
8
2
1
1
1
1
1
1
1
2.54.579R1R2R3R4R5R6R7R8R9
R3–R9 · LEAD HELD

FM Vidar Grahn never relinquished the lead after R3; final gap +1.0 over the runner-up.

R5 · HEAD-TO-HEAD · WINNER VS 2ND

FM Vidar Grahn beat Lukas Willstedt (White).

WIN STREAKS · 2 top finishers

FM Vidar Grahn 5 wins (R1–R5)Lukas Willstedt 3 wins (R2–R4)

Key matchups · top 4

Head-to-head between the four finishers

Grille américaine

#PlayerEloFedR1R2R3R4R5R6R7R8R9PtsBu C1BuSBPerfΔ
1Grahn, VidarFM2219SWE+5N+7B+10N+4B+2B=3N+8B=19N=9N7.543.547.039.752342+26.2
2Willstedt, Lukas2072SWEF+28N+14B+6B1N+9B=7N+3N+8B6.539.039.029.002319+50.4
3Nilsson, OliverCM2180SWE+16N+15B6N=21B+14N=1B+4N2B+7N6.042.045.528.502158-2.6
4KHASCHULUU, Sergelenbaatar1999MGL+27N=6B+8B1N+18N=10B3B+17N+19B6.039.041.022.752157+33.8
5Islam, Umair1845SWE1B+26N=11B+25N9N+14B+13N=7B=6N5.537.540.020.252047+88.8
6Lundin, JanFM2191SWE+22B=4N+3B2N+11B+13N19B8N=5B5.041.044.523.752018-36.2
7Ljungros, Lo2121SWE+13N1N+17B+15B19N+21B=2B=5N3B5.041.044.521.502045-26.4
8Srinivasson, Ram2027SWEF+18B4N+24B+16N+19B1N+6B2N5.039.039.019.002091+25.2
9Valcu, Lavinia2118SWEF+20B=21NF+5B2N+18B+10N=1B5.034.534.522.502151+13.6
10Kingsley, Elias2175SWEF+11N1B19N+15B=4N+12B9B+14N4.540.043.520.002045-48.0
11Hardwick, Hugo1938SWE+25N10B=5N+29B6N=17B+24B=16N20B4.532.033.013.251877-24.1
12Uniyal, Hanns Ivar1797SWEF+27B15N13B+29N+20B10N+25B=16B4.529.030.011.001856+24.0
13Thamarai, Yohan1775SWE7B=22N+23B+12N+21N6B5B24N=18B4.033.536.514.501875+32.8
14Helin, MikaelCM1916SWE+29BF2N+17N3B5N+25B+23N10B4.033.033.010.501880-6.0
15Herman, Mateusz 20101948SWE+26B3N+12B7N10N=18B=28B20N+23B4.032.534.012.501868-35.2
16Elvang, Simon1827SWE3B+29N+20NF8B=24N=23B=11B=12N4.030.530.512.001858+12.0
17Bergqvist, Morris1892SWE=18N+30B7N14B+25B=11N+27B4B24N4.030.530.58.501797-18.6
18Lundin, Lukas0SWE=17B8N+28B+22N4B=15N9N21B=13N3.535.036.511.0018510.0
19Strand, Sixten2083SWEFFF+10B+7B8N+6N=1B4N3.533.033.018.252179+32.4
20Ohrskog, Fredrik1839SWEF9N16B=23N+27B12NF+15B+11N3.529.529.512.001861+6.8
21Ostensson, Julia2008SWE=28B+23N=9B=3N13B7NF+18N3.528.028.012.751882-18.6
22Lindvall, Per1835SWE6N=13B+30N18BFF29N+27B+26N3.518.018.06.501790-6.8
23Zhou, David1667SWEF21B13N=20B+28N+26B=16N14B15N3.027.027.07.751766+34.4
24Bjarnegard, Henry1895SWEFF=25B8NF=16B11N+13B+17B3.026.526.511.251858-10.8
25Hjalte, Eric1689SWE11BF=24N5B17N+30B14N12N+29B2.526.526.52.501599-30.0
26Arrospide, Daniel1719FID15N5B+27N=28BF23NF+29B22B2.526.027.03.751658-30.0
27Axelsson, Thomas1732SWE4B12N26BF20N+29B17N22N+30B2.025.025.01.001493-37.2
28Duenas, Alexis1774SWE=21N2B18N=26N23BF=15N1.523.023.05.001737-6.8
29Thamarai,Vivan1518SWE14N16BF11N12B27N+22B26N25N1.027.527.53.501484-12.4
30Ejdemo, Rebecca0SWEF17N22BFF25NFF27N0.012.012.00.009870.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets