Tyreso Open 2026 std
SwissStandard
80 players participated in this 8-round tournament, held from 02 May 2026 to 03 May 2026 in Tyreso, Sweden. 10 titled players from 5 federations. Top 10 Elo average was 2331, and top seed was Vitaly Sivuk (🇸🇪 SWE, GM, 2517).
Michael Wiedenkeller (🇱🇺 LUX, IM, 2400) won with 3.5/8, ahead of Lukas Lundin (3.5) and Vitaly Sivuk (3.0). Wiedenkeller won on tie-break after catching the field in the final round.
The biggest upset came in round 6: Herman Enholm (1916) beat Elias Kingsley (2175), a +259-point gap.
Location
🇸🇪Tyreso, Sweden
Dates
02 May 2026 → 03 May 2026
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 8 rounds
Titled players · 10
GM×1
IM×3
FM×5
CM×1
Federations · 5 represented
🇸🇪Sweden×74
🇲🇳Mongolia×1
FIDE (no federation)×1
🇳🇴Norway×1
🇱🇺Luxembourg×1
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 8 roundsTight race until R8; 2 players tied at 3.5/8, decided on Buchholz. Title race narrowed from 80 co-leaders at R4 to 2 at the finish.
Co-leaders
80
80
80
80
29
12
3
2
R8 · TIEBREAK CLUSTER
2 players finish on 3.5/8. Wiedenkeller takes the title on Buchholz Cut1 (8.5).
R5–R7 · WIN STREAK
Lukas Lundin won 3 in a row (R5–R7).
R5 · LATE SURGE
Martin Skjoldebrand was #30 at R5, climbed to #3 over the final stretch.
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | R7 | R8 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Wiedenkeller, MichaelIM | 2400 | LUX | F | F | F | F | +19B | +56N | =15B | +31N | 3.5 | 8.5 | 8.5 | 7.25 | 2416 | +0.5 |
| 2 | Lundin, Lukas | 0 | SWE | F | F | F | F | +33B | +66N | +53B | =16N | 3.5 | 7.0 | 7.0 | 5.75 | 1905 | 0.0 |
| 3 | Sivuk, VitalyGM | 2517 | SWE | F | F | F | F | =12N | +18B | =14N | +4B | 3.0 | 10.5 | 10.5 | 8.00 | 2489 | +0.4 |
| 4 | Dingertz, Filip | 2071 | SWE | F | F | F | F | +59N | +31B | +22N | −3N | 3.0 | 9.0 | 9.0 | 6.00 | 2302 | +43.2 |
| 5 | Skjoldebrand, Martin | 1829 | SWE | F | F | F | F | =29N | =40N | +27B | +55N | 3.0 | 8.5 | 8.5 | 6.25 | 1929 | +10.2 |
| 6 | Zheng, Chale | 1879 | SWE | F | F | F | F | +68N | +10B | −18N | +43B | 3.0 | 8.5 | 8.5 | 6.00 | 2124 | +39.2 |
| 7 | Malmquist, Neo | 2052 | SWE | F | F | F | F | +54B | +25N | −31B | +32B | 3.0 | 8.0 | 8.0 | 6.00 | 2101 | +10.8 |
| 8 | Alseif, Sam | 1823 | SWE | F | F | F | F | +70B | +23N | +58B | −9N | 3.0 | 8.0 | 8.0 | 5.00 | 1994 | +18.0 |
| 9 | Shi, Sebastian | 1953 | SWE | F | F | F | F | =53N | +45B | =67N | +8B | 3.0 | 7.5 | 7.5 | 6.25 | 2015 | +11.6 |
| 10 | Eriksson, Bo HTFM | 2008 | SWE | F | F | F | F | +69B | −6N | +54B | +39N | 3.0 | 7.5 | 7.5 | 4.50 | 2030 | +2.4 |
| 11 | Lovstrom, Olov | 1748 | SWE | F | F | F | F | =48N | =42B | +76N | +68B | 3.0 | 6.0 | 6.0 | 4.00 | 1575 | -9.2 |
| 12 | Trost, EdvinIM | 2459 | SWE | F | F | F | F | =3B | =15N | +13B | =14N | 2.5 | 10.5 | 10.5 | 6.50 | 2472 | +1.4 |
| 13 | Olund, JoarFM | 2383 | SWE | F | F | F | F | +17N | =14B | −12N | +20B | 2.5 | 10.0 | 10.0 | 6.25 | 2472 | +4.6 |
| 14 | Seo, Jung MinIM | 2489 | SWE | F | F | F | F | +35B | =13N | =3B | =12B | 2.5 | 10.0 | 10.0 | 6.00 | 2457 | -0.6 |
| 15 | Bergman, Nils | 2120 | SWE | F | F | F | F | +62N | =12B | =1N | =22B | 2.5 | 10.0 | 10.0 | 5.75 | 2301 | +17.0 |
| 16 | Ostlund, Anders | 2049 | SWE | F | F | F | F | +47N | +36B | −62N | =2B | 2.5 | 9.0 | 9.0 | 5.75 | 1971 | -4.8 |
| 17 | Crevatin, LeoFM | 2248 | SWE | F | F | F | F | −13B | +59B | +24N | =18B | 2.5 | 9.0 | 9.0 | 5.25 | 2173 | -6.0 |
| 18 | Karde, Douglas | 2040 | SWE | F | F | F | F | +77B | −3N | +6B | =17N | 2.5 | 9.0 | 9.0 | 4.75 | 2183 | +13.2 |
| 19 | Prabu, Dananjey | 2165 | SWE | F | F | F | F | −1N | +55B | +32N | =34B | 2.5 | 9.0 | 9.0 | 4.50 | 2171 | +1.6 |
| 20 | Seiger, VidarFM | 2313 | SWE | F | F | F | F | =56B | +38N | +21B | −13N | 2.5 | 8.5 | 8.5 | 5.25 | 2224 | -7.2 |
| 21 | Valcu, Lavinia | 2118 | SWE | F | F | F | F | =38B | +37N | −20N | +41B | 2.5 | 8.5 | 8.5 | 5.00 | 2137 | +4.0 |
| 22 | Evertsson, Lennart | 2021 | SWE | F | F | F | F | +67B | +35N | −4B | =15N | 2.5 | 8.5 | 8.5 | 4.25 | 2105 | +9.8 |
| 23 | Parteg, Eddie | 1648 | SWE | F | F | F | F | +65N | −8B | =57N | +42B | 2.5 | 8.0 | 8.0 | 4.25 | 1838 | +20.0 |
| 24 | Malmsten, Hans | 1967 | SWE | F | F | F | F | +64B | +53N | −17B | =25N | 2.5 | 8.0 | 8.0 | 4.25 | 2036 | +6.6 |
| 25 | Akerstrom, Bjorn | 1900 | SWE | F | F | F | F | +71B | −7B | +63N | =24B | 2.5 | 8.0 | 8.0 | 3.75 | 1900 | +2.2 |
| 26 | Eriksson, Jorgen | 2157 | SWE | F | F | F | F | +60B | =39N | =37B | =38N | 2.5 | 7.5 | 7.5 | 4.50 | 2015 | -13.2 |
| 27 | Csaky, Szonja | 1646 | SWE | F | F | F | F | =46B | +71N | −5N | +73B | 2.5 | 7.0 | 7.0 | 3.00 | 1809 | +34.4 |
| 28 | Kingsley, Elias | 2175 | SWE | F | F | F | F | +57B | −32B | =61N | +60N | 2.5 | 6.5 | 6.5 | 3.75 | 1937 | -40.0 |
| 29 | Hjalte, Eric | 1689 | SWE | F | F | F | F | =5B | −54N | +72B | +69N | 2.5 | 6.5 | 6.5 | 3.50 | 1795 | +17.6 |
| 30 | Fallgren, Oskar | 0 | SWE | F | F | F | F | +51N | +69N | =60B | −58N | 2.5 | 6.0 | 6.0 | 3.75 | 1818 | 0.0 |
| 31 | Ask, JosefFM | 2020 | SWE | F | F | F | F | +61B | −4N | +7N | −1B | 2.0 | 11.0 | 11.0 | 4.50 | 2068 | +3.8 |
| 32 | Enholm, Herman | 1916 | SWE | F | F | F | F | +49B | +28N | −19B | −7N | 2.0 | 10.0 | 10.0 | 4.50 | 2032 | +11.4 |
| 33 | Prabu, Anjay | 1720 | SWE | F | F | F | F | −2N | +52B | +50N | −53B | 2.0 | 9.0 | 9.0 | 4.00 | 1645 | -6.4 |
| 34 | Willstedt, Lukas | 2072 | SWE | F | F | F | F | =37B | +41N | −35B | =19N | 2.0 | 8.5 | 8.5 | 4.25 | 2026 | -4.8 |
| 35 | Dingertz, Gustav | 2084 | SWE | F | F | F | F | −14N | −22B | +34N | +62B | 2.0 | 8.5 | 8.5 | 3.50 | 2131 | +2.4 |
| 36 | Tornard, Vincent | 1902 | SWE | F | F | F | F | =63B | −16N | =40B | +44N | 2.0 | 8.0 | 8.0 | 3.75 | 1790 | -23.2 |
| 37 | Hardwick, Hugo | 1938 | SWE | F | F | F | F | =34N | −21B | =26N | +67B | 2.0 | 8.0 | 8.0 | 3.25 | 2028 | +16.6 |
| 38 | KHASCHULUU, Sergelenbaatar | 1999 | MGL | F | F | F | F | =21N | −20B | +77N | =26B | 2.0 | 8.0 | 8.0 | 3.00 | 2093 | +9.0 |
| 39 | Snallfot, Magnus | 1914 | SWE | F | F | F | F | +78B | =26B | =43N | −10B | 2.0 | 8.0 | 8.0 | 2.75 | 1934 | +2.6 |
| 40 | Chornenkyi, Roman | 1693 | SWE | F | F | F | F | +75N | =5B | =36N | −57B | 2.0 | 7.5 | 7.5 | 3.50 | 1735 | +3.2 |
| 41 | Helin, MikaelCM | 1916 | SWE | F | F | F | F | +58B | −34B | +56N | −21N | 2.0 | 7.5 | 7.5 | 3.00 | 2038 | +13.0 |
| 42 | OMahony, Adam | 1541 | SWE | F | F | F | F | +72B | =11N | =66B | −23N | 2.0 | 7.5 | 7.5 | 3.00 | 1592 | +7.6 |
| 43 | Altnas, Jens | 1949 | SWE | F | F | F | F | +66B | =61N | =39B | −6N | 2.0 | 7.5 | 7.5 | 2.75 | 1825 | -13.2 |
| 44 | Lovstrom, Bjorn | 1731 | SWE | F | F | F | F | +50N | +57B | −55N | −36B | 2.0 | 7.0 | 7.0 | 3.50 | 1764 | +2.6 |
| 45 | Islam, Umair | 1845 | SWE | F | F | F | F | =55B | −9N | +47N | =77B | 2.0 | 7.0 | 7.0 | 3.00 | 1836 | -2.0 |
| 46 | Hassan, Munter | 1775 | SWE | F | F | F | F | =27N | −47B | =65N | +75B | 2.0 | 7.0 | 7.0 | 3.00 | 1573 | -16.4 |
| 47 | Bardhan, Sayak Raj | 1691 | SWE | F | F | F | F | −16B | +46N | −45B | +78N | 2.0 | 7.0 | 7.0 | 2.50 | 1822 | +25.2 |
| 48 | Sastha Suresh, Swastik | 1608 | SWE | F | F | F | F | =11B | +70N | −64B | =66N | 2.0 | 6.5 | 6.5 | 3.00 | 1732 | +26.8 |
| 49 | Ali, Samir | 1751 | SWE | F | F | F | F | −32N | +68B | −59N | +71B | 2.0 | 5.5 | 5.5 | 2.00 | 1660 | -12.0 |
| 50 | Gao, Zhan | 0 | SWE | F | F | F | F | −44B | +80N | −33B | +74N | 2.0 | 5.0 | 5.0 | 1.00 | 1603 | 0.0 |
| 51 | Eliasson, Saxon | 1657 | SWE | F | F | F | F | −30B | +79N | +74B | — | 2.0 | 3.5 | 3.5 | 1.00 | 2347 | +14.0 |
| 52 | Malmqvist, Fredrik | 1436 | SWE | F | F | F | F | +80B | −33N | +79B | −70N | 2.0 | 3.0 | 3.0 | 0.00 | 1472 | +3.6 |
| 53 | Texe, Eirik | 1853 | NOR | F | F | F | F | =9B | −24B | −2N | +33N | 1.5 | 11.0 | 11.0 | 3.50 | 1880 | +2.4 |
| 54 | Uniyal, Hanns Ivar | 1797 | SWE | F | F | F | F | −7N | +29B | −10N | =63B | 1.5 | 10.0 | 10.0 | 3.25 | 1772 | -8.8 |
| 55 | Trost, Martin | 1917 | SWE | F | F | F | F | =45N | −19N | +44B | −5B | 1.5 | 9.5 | 9.5 | 3.00 | 1806 | -13.0 |
| 56 | Wang, Hongjun | 2016 | SWE | F | F | F | F | =20N | −1B | −41B | +64N | 1.5 | 9.5 | 9.5 | 2.75 | 2011 | -3.8 |
| 57 | Sandberg, Jonas | 1849 | SWE | F | F | F | F | −28N | −44N | =23B | +40N | 1.5 | 9.0 | 9.0 | 3.25 | 1724 | -15.2 |
| 58 | Luna, Gustavo | 1946 | SWE | F | F | F | F | −41N | =63B | −8N | +30B | 1.5 | 9.0 | 9.0 | 3.25 | 1535 | -30.6 |
| 59 | Karlsson, Patrik | 1922 | SWE | F | F | F | F | −4B | −17N | +49B | =61B | 1.5 | 9.0 | 9.0 | 2.75 | 1864 | -8.0 |
| 60 | Ranby, Hans | 1829 | SWE | F | F | F | F | −26N | +73B | =30N | −28B | 1.5 | 8.5 | 8.5 | 2.25 | 1897 | +2.6 |
| 61 | Hanini, Jacob | 1749 | SWE | F | F | F | F | −31N | =43B | =28B | =59N | 1.5 | 8.0 | 8.0 | 3.00 | 1923 | +14.8 |
| 62 | Evertsson, Rune | 1945 | SWE | F | F | F | F | −15B | =67N | +16B | −35N | 1.5 | 8.0 | 8.0 | 3.00 | 1918 | -3.6 |
| 63 | Kjellberg, Fred | 1685 | SWE | F | F | F | F | =36N | =58N | −25B | =54N | 1.5 | 7.5 | 7.5 | 2.50 | 1799 | +20.8 |
| 64 | Gultekin, Ece | 1762 | SWE | F | F | F | F | −24N | =78B | +48N | −56B | 1.5 | 6.5 | 6.5 | 2.25 | 1716 | -13.2 |
| 65 | Lonsjo, Hakan | 1757 | SWE | F | F | F | F | −23B | −72N | =46B | +79N | 1.5 | 5.5 | 5.5 | 1.00 | 1517 | -12.4 |
| 66 | Nordenfur, Anton | 1758 | SWE | F | F | F | F | −43N | −2B | =42N | =48B | 1.0 | 9.5 | 9.5 | 2.00 | 1574 | -14.6 |
| 67 | Akoral, Sinan | 1765 | SWE | F | F | F | F | −22N | =62B | =9B | −37N | 1.0 | 9.0 | 9.0 | 2.25 | 1772 | +0.4 |
| 68 | Timan, Robin | 0 | SWE | F | F | F | F | −6B | −49N | +70B | −11N | 1.0 | 9.0 | 9.0 | 1.00 | 1563 | 0.0 |
| 69 | Millers, Janis | 1758 | SWE | F | F | F | F | −10N | −30B | +78N | −29B | 1.0 | 8.5 | 8.5 | 0.50 | 1647 | -19.2 |
| 70 | Jackmann, Jonathan | 1658 | SWE | F | F | F | F | −8N | −48B | −68N | +52B | 1.0 | 8.0 | 8.0 | 2.00 | 1497 | -25.2 |
| 71 | Thamarai,Vivan | 1518 | SWE | F | F | F | F | −25N | −27B | +73N | −49N | 1.0 | 8.0 | 8.0 | 1.00 | 1561 | +5.6 |
| 72 | Landelius, Vendela | 0 | SWE | F | F | F | F | −42N | +65B | −29N | −76B | 1.0 | 7.0 | 7.0 | 1.50 | 1537 | 0.0 |
| 73 | Arrospide, Daniel | 1719 | FID | F | F | F | F | +74B | −60N | −71B | −27N | 1.0 | 6.0 | 6.0 | 1.00 | 1442 | -60.4 |
| 74 | Petersson, Alexandra | 1547 | SWE | F | F | F | F | −73N | +75B | −51N | −50B | 1.0 | 6.0 | 6.0 | 1.00 | 895 | -24.4 |
| 75 | FIDE 563006235 | 0 | — | F | F | F | F | −40B | −74N | +80B | −46N | 1.0 | 5.0 | 5.0 | 0.00 | 1414 | 0.0 |
| 76 | Ejdemo, Rebecca | 0 | SWE | F | F | F | F | F | F | −11B | +72N | 1.0 | 4.0 | 4.0 | 1.00 | 948 | 0.0 |
| 77 | Erdogan, Berkay | 1783 | SWE | F | F | F | F | −18N | F | −38B | =45N | 0.5 | 6.5 | 6.5 | 1.00 | 1688 | -12.4 |
| 78 | OMahony, Paul | 1620 | SWE | F | F | F | F | −39N | =64N | −69B | −47B | 0.5 | 6.5 | 6.5 | 0.75 | 1459 | -13.4 |
| 79 | FIDE 563007436 | 0 | — | F | F | F | F | F | −51B | −52N | −65B | 0.0 | 5.5 | 5.5 | 0.00 | 817 | 0.0 |
| 80 | Radon, Vida | 1412 | SWE | F | F | F | F | −52N | −50B | −75N | F | 0.0 | 5.0 | 5.0 | 0.00 | 636 | -9.4 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Dingertz, FilipSWE+43.23.0 pts · #6
- 2Zheng, ChaleSWE+39.23.0 pts · #29
- 3Csaky, SzonjaSWE+34.42.5 pts · #15
Top rating losers
- 1Arrospide, DanielFID-60.41.0 pts · #63
- 2Kingsley, EliasSWE-40.02.5 pts · #16
- 3Luna, GustavoSWE-30.61.5 pts · #76
Biggest upsets
- R6+259 Elo gap
- R7+201 Elo gap
- R6+129 Elo gap