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
Titled players · 4
FM×2
CM×2
Federations · 3 represented
🇸🇪Sweden×26
🇲🇳Mongolia×1
FIDE (no federation)×1
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 9 roundsFM Vidar Grahn led from R3; +1.0-point edge over the runner-up.
Co-leaders
8
2
1
1
1
1
1
1
1
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| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1FMVidar Grahn | * | 1 | ½ | 1 |
| 2Lukas Willstedt | 0 | * | 1 | — |
| 3CMOliver Nilsson | ½ | 0 | * | 1 |
| 4Sergelenbaatar KHASCHULUU | 0 | — | 0 | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | R7 | R8 | R9 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Grahn, VidarFM | 2219 | SWE | +5N | +7B | +10N | +4B | +2B | =3N | +8B | =19N | =9N | 7.5 | 43.5 | 47.0 | 39.75 | 2342 | +26.2 |
| 2 | Willstedt, Lukas | 2072 | SWE | F | +28N | +14B | +6B | −1N | +9B | =7N | +3N | +8B | 6.5 | 39.0 | 39.0 | 29.00 | 2319 | +50.4 |
| 3 | Nilsson, OliverCM | 2180 | SWE | +16N | +15B | −6N | =21B | +14N | =1B | +4N | −2B | +7N | 6.0 | 42.0 | 45.5 | 28.50 | 2158 | -2.6 |
| 4 | KHASCHULUU, Sergelenbaatar | 1999 | MGL | +27N | =6B | +8B | −1N | +18N | =10B | −3B | +17N | +19B | 6.0 | 39.0 | 41.0 | 22.75 | 2157 | +33.8 |
| 5 | Islam, Umair | 1845 | SWE | −1B | +26N | =11B | +25N | −9N | +14B | +13N | =7B | =6N | 5.5 | 37.5 | 40.0 | 20.25 | 2047 | +88.8 |
| 6 | Lundin, JanFM | 2191 | SWE | +22B | =4N | +3B | −2N | +11B | +13N | −19B | −8N | =5B | 5.0 | 41.0 | 44.5 | 23.75 | 2018 | -36.2 |
| 7 | Ljungros, Lo | 2121 | SWE | +13N | −1N | +17B | +15B | −19N | +21B | =2B | =5N | −3B | 5.0 | 41.0 | 44.5 | 21.50 | 2045 | -26.4 |
| 8 | Srinivasson, Ram | 2027 | SWE | F | +18B | −4N | +24B | +16N | +19B | −1N | +6B | −2N | 5.0 | 39.0 | 39.0 | 19.00 | 2091 | +25.2 |
| 9 | Valcu, Lavinia | 2118 | SWE | F | +20B | =21N | F | +5B | −2N | +18B | +10N | =1B | 5.0 | 34.5 | 34.5 | 22.50 | 2151 | +13.6 |
| 10 | Kingsley, Elias | 2175 | SWE | F | +11N | −1B | −19N | +15B | =4N | +12B | −9B | +14N | 4.5 | 40.0 | 43.5 | 20.00 | 2045 | -48.0 |
| 11 | Hardwick, Hugo | 1938 | SWE | +25N | −10B | =5N | +29B | −6N | =17B | +24B | =16N | −20B | 4.5 | 32.0 | 33.0 | 13.25 | 1877 | -24.1 |
| 12 | Uniyal, Hanns Ivar | 1797 | SWE | F | +27B | −15N | −13B | +29N | +20B | −10N | +25B | =16B | 4.5 | 29.0 | 30.0 | 11.00 | 1856 | +24.0 |
| 13 | Thamarai, Yohan | 1775 | SWE | −7B | =22N | +23B | +12N | +21N | −6B | −5B | −24N | =18B | 4.0 | 33.5 | 36.5 | 14.50 | 1875 | +32.8 |
| 14 | Helin, MikaelCM | 1916 | SWE | +29B | F | −2N | +17N | −3B | −5N | +25B | +23N | −10B | 4.0 | 33.0 | 33.0 | 10.50 | 1880 | -6.0 |
| 15 | Herman, Mateusz 2010 | 1948 | SWE | +26B | −3N | +12B | −7N | −10N | =18B | =28B | −20N | +23B | 4.0 | 32.5 | 34.0 | 12.50 | 1868 | -35.2 |
| 16 | Elvang, Simon | 1827 | SWE | −3B | +29N | +20N | F | −8B | =24N | =23B | =11B | =12N | 4.0 | 30.5 | 30.5 | 12.00 | 1858 | +12.0 |
| 17 | Bergqvist, Morris | 1892 | SWE | =18N | +30B | −7N | −14B | +25B | =11N | +27B | −4B | −24N | 4.0 | 30.5 | 30.5 | 8.50 | 1797 | -18.6 |
| 18 | FIDE 563007428 | 0 | — | =17B | −8N | +28B | +22N | −4B | =15N | −9N | −21B | =13N | 3.5 | 35.0 | 36.5 | 11.00 | 1851 | 0.0 |
| 19 | Strand, Sixten | 2083 | SWE | F | F | F | +10B | +7B | −8N | +6N | =1B | −4N | 3.5 | 33.0 | 33.0 | 18.25 | 2179 | +32.4 |
| 20 | Ohrskog, Fredrik | 1839 | SWE | F | −9N | −16B | =23N | +27B | −12N | F | +15B | +11N | 3.5 | 29.5 | 29.5 | 12.00 | 1861 | +6.8 |
| 21 | Ostensson, Julia | 2008 | SWE | =28B | +23N | =9B | =3N | −13B | −7N | F | +18N | — | 3.5 | 28.0 | 28.0 | 12.75 | 1882 | -18.6 |
| 22 | Lindvall, Per | 1835 | SWE | −6N | =13B | +30N | −18B | F | F | −29N | +27B | +26N | 3.5 | 18.0 | 18.0 | 6.50 | 1790 | -6.8 |
| 23 | Zhou, David | 1667 | SWE | F | −21B | −13N | =20B | +28N | +26B | =16N | −14B | −15N | 3.0 | 27.0 | 27.0 | 7.75 | 1766 | +34.4 |
| 24 | Bjarnegard, Henry | 1895 | SWE | F | F | =25B | −8N | F | =16B | −11N | +13B | +17B | 3.0 | 26.5 | 26.5 | 11.25 | 1858 | -10.8 |
| 25 | Hjalte, Eric | 1689 | SWE | −11B | F | =24N | −5B | −17N | +30B | −14N | −12N | +29B | 2.5 | 26.5 | 26.5 | 2.50 | 1599 | -30.0 |
| 26 | Arrospide, Daniel | 1719 | FID | −15N | −5B | +27N | =28B | F | −23N | F | +29B | −22B | 2.5 | 26.0 | 27.0 | 3.75 | 1658 | -30.0 |
| 27 | Axelsson, Thomas | 1732 | SWE | −4B | −12N | −26B | F | −20N | +29B | −17N | −22N | +30B | 2.0 | 25.0 | 25.0 | 1.00 | 1493 | -37.2 |
| 28 | Duenas, Alexis | 1774 | SWE | =21N | −2B | −18N | =26N | −23B | F | =15N | — | — | 1.5 | 23.0 | 23.0 | 5.00 | 1737 | -6.8 |
| 29 | Thamarai,Vivan | 1518 | SWE | −14N | −16B | F | −11N | −12B | −27N | +22B | −26N | −25N | 1.0 | 27.5 | 27.5 | 3.50 | 1484 | -12.4 |
| 30 | FIDE 1788620 | 0 | — | F | −17N | −22B | F | F | −25N | F | F | −27N | 0.0 | 12.0 | 12.0 | 0.00 | 987 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Islam, UmairSWE+88.85.5 pts · #4
- 2Willstedt, LukasSWE+50.46.5 pts · #2
- 3Zhou, DavidSWE+34.43.0 pts · #21
Top rating losers
- 1Kingsley, EliasSWE-48.04.5 pts · #8
- 2Axelsson, ThomasSWE-37.22.0 pts · #29
- 3Lundin, JanFMSWE-36.25.0 pts · #5
Biggest upsets
- R7+317 Elo gap
- R5+233 Elo gap
- R8+164 Elo gap