Tyreso Open 2025 std
SwissStandard
79 players participated in this 8-round tournament, held from 10 May 2025 to 11 May 2025 in Tyreso, Sweden. 14 titled players from 4 federations. Top 10 Elo average was 2358, and top seed was Vitaly Sivuk (🇸🇪 SWE, GM, 2501).
Platon Galperin (🇸🇪 SWE, GM, 2494) won with 3.5/8, ahead of Vitaly Sivuk (3.5) and Sebastian Shi (3.5). Galperin won on tie-break after catching the field in the final round.
The biggest upset came in round 8: Elias Kingsley (2007) beat Theodor Lindbergh (CM, 2226), a +219-point gap.
Location
🇸🇪Tyreso, Sweden
Dates
10 May 2025 → 11 May 2025
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 8 rounds
Titled players · 14
GM×3
IM×3
FM×4
CM×4
Federations · 4 represented
🇸🇪Sweden×76
🇲🇳Mongolia×1
🇬🇧Scotland×1
🇺🇦Ukraine×1
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 8 roundsTight race until R8; 3 players tied at 3.5/8, decided on Buchholz. Title race narrowed from 79 co-leaders at R4 to 3 at the finish.
Co-leaders
79
79
79
79
31
6
1
3
R8 · TIEBREAK CLUSTER
3 players finish on 3.5/8. Galperin takes the title on Buchholz Cut1 (9.5).
R6 · HEAD-TO-HEAD · WINNER VS 2ND
GM Platon Galperin drew with GM Vitaly Sivuk (Black).
R7 · FORMER LEADER FALL
CM Mikael Helin held the sole lead at R7 but finished #35.
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1GMPlaton Galperin | * | ½ | — | — |
| 2GMVitaly Sivuk | ½ | * | — | — |
| 3Sebastian Shi | — | — | * | — |
| 4Chale Zheng | — | — | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | R7 | R8 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Galperin, PlatonGM | 2494 | SWE | F | F | F | F | +13B | =2N | +30B | +52N | 3.5 | 9.5 | 9.5 | 7.75 | 2789 | +12.7 |
| 2 | Sivuk, VitalyGM | 2501 | SWE | F | F | F | F | +52N | =1B | +28N | +19B | 3.5 | 9.5 | 9.5 | 7.75 | 2701 | +8.4 |
| 3 | Shi, Sebastian | 1905 | SWE | F | F | F | F | +32B | =34N | +56B | +64N | 3.5 | 6.5 | 6.5 | 5.50 | 2221 | +56.4 |
| 4 | Cederstam, CarlFM | 2325 | SWE | F | F | F | F | +11N | +10B | −52N | +28B | 3.0 | 8.5 | 8.5 | 7.00 | 2430 | +11.8 |
| 5 | Matamoros, Desmond Ekman | 1689 | SWE | F | F | F | F | +25B | −33N | +66B | +21N | 3.0 | 8.0 | 8.0 | 6.00 | 1915 | +46.4 |
| 6 | Seiger, VidarFM | 2160 | SWE | F | F | F | F | =29N | +9N | +64B | =10B | 3.0 | 8.0 | 8.0 | 5.75 | 2250 | +18.4 |
| 7 | Zheng, Chale | 1853 | SWE | F | F | F | F | −65N | +69B | +41N | +8B | 3.0 | 7.0 | 7.0 | 6.00 | 1989 | +27.6 |
| 8 | Helin, MikaelCM | 1932 | SWE | F | F | F | F | +27B | +68N | +67B | −7N | 3.0 | 7.0 | 7.0 | 4.00 | 1887 | -3.2 |
| 9 | Schwartz, Julius | 2196 | SCO | F | F | F | F | =14N | −6B | +15N | +18B | 2.5 | 10.5 | 10.5 | 6.25 | 2088 | -9.2 |
| 10 | Nilsson, OliverCM | 2105 | SWE | F | F | F | F | +36B | −4N | +12B | =6N | 2.5 | 10.5 | 10.5 | 6.00 | 2201 | +9.8 |
| 11 | Jakenberg, Jussi | 2018 | SWE | F | F | F | F | −4B | +37N | +22B | =30N | 2.5 | 9.5 | 9.5 | 5.50 | 2227 | +19.4 |
| 12 | Wang, Hongjun | 1954 | SWE | F | F | F | F | +17N | +41B | −10N | =29B | 2.5 | 9.0 | 9.0 | 5.50 | 2000 | +5.0 |
| 13 | Seo, Jung MinIM | 2476 | SWE | F | F | F | F | −1N | =53B | +14N | +54B | 2.5 | 9.0 | 9.0 | 4.75 | 2322 | -6.0 |
| 14 | Kingsley, Elias | 2007 | SWE | F | F | F | F | =9B | +35N | −13B | +53B | 2.5 | 8.5 | 8.5 | 4.75 | 2336 | +64.4 |
| 15 | Sandberg, Jonas | 1810 | SWE | F | F | F | F | +69N | +42B | −9B | =22N | 2.5 | 8.0 | 8.0 | 4.25 | 2039 | +22.2 |
| 16 | Dingertz, Gustav | 1986 | SWE | F | F | F | F | =42N | +57B | =31B | =39N | 2.5 | 7.5 | 7.5 | 4.50 | 2085 | +10.6 |
| 17 | Lindebaum, Andre J. | 1778 | SWE | F | F | F | F | −12B | =61N | +55B | +27N | 2.5 | 7.5 | 7.5 | 4.25 | 1783 | +0.2 |
| 18 | Ostensson, Julia | 1995 | SWE | F | F | F | F | =37B | +66N | +33B | −9N | 2.5 | 7.5 | 7.5 | 4.00 | 1997 | +0.6 |
| 19 | Valcu, Lavinia | 2143 | SWE | F | F | F | F | +64B | =52B | +53N | −2N | 2.5 | 7.5 | 7.5 | 3.25 | 2393 | +47.6 |
| 20 | Evertsson, Lennart | 2062 | SWE | F | F | F | F | −59B | =56N | +46B | +38N | 2.5 | 7.0 | 7.0 | 4.75 | 1807 | -18.0 |
| 21 | Kokocinski, Majkel | 1843 | SWE | F | F | F | F | =71N | +40B | +65N | −5B | 2.5 | 7.0 | 7.0 | 3.50 | 1806 | -4.2 |
| 22 | Viswanath, Rishi | 1935 | SWE | F | F | F | F | +70N | +65B | −11N | =15B | 2.5 | 7.0 | 7.0 | 3.25 | 1925 | -2.4 |
| 23 | Frost, Niklas | 1864 | SWE | F | F | F | F | +68B | −64N | +50B | =35N | 2.5 | 6.0 | 6.0 | 4.00 | 1990 | +12.8 |
| 24 | Sundell, Hugo | 1912 | SWE | F | F | F | F | +74B | −31N | =32B | +56N | 2.5 | 6.0 | 6.0 | 3.00 | 1923 | +1.2 |
| 25 | Alexandersson, Filipp | 1519 | SWE | F | F | F | F | −5N | =71B | +69N | +65B | 2.5 | 6.0 | 6.0 | 2.50 | 1782 | +55.2 |
| 26 | Bardhan, Sayak Raj | 1594 | SWE | F | F | F | F | +76B | −27N | +70N | =74B | 2.5 | 4.0 | 4.0 | 1.75 | 2018 | +64.8 |
| 27 | Erdogan, Berkay | 0 | SWE | F | F | F | F | −8N | +26B | +44N | −17B | 2.0 | 10.0 | 10.0 | 4.50 | 1768 | 0.0 |
| 28 | Eriksson, JohanIM | 2370 | SWE | F | F | F | F | +39B | +54N | −2B | −4N | 2.0 | 10.0 | 10.0 | 3.50 | 2249 | -5.6 |
| 29 | Malmquist, Neo | 1914 | SWE | F | F | F | F | =6B | =38N | =34B | =12N | 2.0 | 9.5 | 9.5 | 4.75 | 2066 | +23.6 |
| 30 | Falkevall, AxelIM | 2382 | SWE | F | F | F | F | =54N | +43B | −1N | =11B | 2.0 | 9.5 | 9.5 | 4.00 | 2155 | -9.9 |
| 31 | Perets, DmytroFM | 2108 | UKR | F | F | F | F | −43N | +24B | =16N | =36B | 2.0 | 9.0 | 9.0 | 4.75 | 1969 | -30.0 |
| 32 | Israelsson, Lukas | 1743 | SWE | F | F | F | F | −3N | +72B | =24N | =33N | 2.0 | 9.0 | 9.0 | 3.25 | 1879 | +28.4 |
| 33 | Hagstrom, Jacob 1994 | 1803 | SWE | F | F | F | F | =66N | +5B | −18N | =32B | 2.0 | 8.5 | 8.5 | 4.50 | 1789 | -1.8 |
| 34 | Karde, Douglas | 2085 | SWE | F | F | F | F | −53N | =3B | =29N | +58B | 2.0 | 8.5 | 8.5 | 4.25 | 1986 | -20.8 |
| 35 | Rosenbecker, DanielCM | 2132 | SWE | F | F | F | F | =58N | −14B | +48N | =23B | 2.0 | 8.5 | 8.5 | 4.00 | 1901 | -22.8 |
| 36 | Nyberg, Peter | 1984 | SWE | F | F | F | F | −10N | +48B | =39B | =31N | 2.0 | 8.5 | 8.5 | 4.00 | 2026 | +4.8 |
| 37 | Evertsson, Rune | 1886 | SWE | F | F | F | F | =18N | −11B | +57N | =42B | 2.0 | 8.5 | 8.5 | 3.75 | 1953 | +7.2 |
| 38 | De Lafonteyne, Maxime | 0 | SWE | F | F | F | F | +40N | =29B | =59N | −20B | 2.0 | 8.0 | 8.0 | 3.75 | 1925 | 0.0 |
| 39 | Willstedt, Lukas | 2057 | SWE | F | F | F | F | −28N | +58B | =36N | =16B | 2.0 | 8.0 | 8.0 | 3.75 | 2060 | -2.0 |
| 40 | Pettersson, Lars-Ake | 1795 | SWE | F | F | F | F | −38B | −21N | +51B | +55N | 2.0 | 8.0 | 8.0 | 3.50 | 1840 | +3.8 |
| 41 | Hardwick, Hugo | 1824 | SWE | F | F | F | F | +60B | −12N | −7B | +67B | 2.0 | 8.0 | 8.0 | 2.50 | 1805 | -4.4 |
| 42 | Banerjee, Aryan | 1946 | SWE | F | F | F | F | =16B | −15N | +74B | =37N | 2.0 | 7.5 | 7.5 | 2.75 | 1862 | -17.6 |
| 43 | Thyberg, Andre | 1993 | SWE | F | F | F | F | +31B | −30N | −54B | +59N | 2.0 | 7.0 | 7.0 | 3.50 | 2133 | +12.8 |
| 44 | Lind, Anders | 1771 | SWE | F | F | F | F | +63B | =55N | −27B | =45N | 2.0 | 7.0 | 7.0 | 3.25 | 1646 | -6.8 |
| 45 | Krusa, Gustav | 1605 | SWE | F | F | F | F | −46B | +73N | =49N | =44B | 2.0 | 7.0 | 7.0 | 3.00 | 1663 | +8.8 |
| 46 | Davidsson, Asker | 1796 | SWE | F | F | F | F | +45N | F | −20N | +47B | 2.0 | 6.5 | 6.5 | 4.00 | 1834 | +1.4 |
| 47 | OMahony, Paul | 0 | SWE | F | F | F | F | −55B | +51N | +68B | −46N | 2.0 | 6.5 | 6.5 | 3.00 | 1705 | 0.0 |
| 48 | Nodtveidt, Svante | 1833 | SWE | F | F | F | F | +67B | −36N | −35B | +71N | 2.0 | 6.0 | 6.0 | 2.00 | 1864 | +4.4 |
| 49 | Johansson, Christer 1973 | 1797 | SWE | F | F | F | F | +73B | −67N | =45B | =66N | 2.0 | 5.0 | 5.0 | 2.50 | 1554 | -19.4 |
| 50 | Karlberg, Emil | 1713 | SWE | F | F | F | F | −57N | +79B | −23N | +72B | 2.0 | 5.0 | 5.0 | 1.00 | 1859 | +31.2 |
| 51 | Nilsson, Christer 1954 | 1618 | SWE | F | F | F | F | +78N | −47B | −40N | +77B | 2.0 | 5.0 | 5.0 | 1.00 | 1598 | -0.8 |
| 52 | Blomqvist, ErikGM | 2453 | SWE | F | F | F | F | −2B | =19N | +4B | −1B | 1.5 | 12.5 | 12.5 | 4.25 | 2279 | -9.0 |
| 53 | Lindbergh, TheodorCM | 2226 | SWE | F | F | F | F | +34B | =13N | −19B | −14N | 1.5 | 9.5 | 9.5 | 3.25 | 2091 | -15.4 |
| 54 | Ask, JosefFM | 2113 | SWE | F | F | F | F | =30B | −28B | +43N | −13N | 1.5 | 8.5 | 8.5 | 3.00 | 2218 | +7.8 |
| 55 | Parteg, Eddie | 1687 | SWE | F | F | F | F | +47N | =44B | −17N | −40B | 1.5 | 8.5 | 8.5 | 3.00 | 1508 | -12.2 |
| 56 | Banavi, Salar | 1697 | SWE | F | F | F | F | +79N | =20B | −3N | −24B | 1.5 | 8.5 | 8.5 | 1.25 | 1840 | +12.4 |
| 57 | Bergqvist, Morris | 1849 | SWE | F | F | F | F | +50B | −16N | −37B | =60N | 1.5 | 8.0 | 8.0 | 2.75 | 1735 | -13.0 |
| 58 | Ranby, Hans | 1900 | SWE | F | F | F | F | =35B | −39N | +60B | −34N | 1.5 | 7.5 | 7.5 | 2.50 | 1907 | -0.4 |
| 59 | Wickstrom, Carina | 1929 | SWE | F | F | F | F | +20N | F | =38B | −43B | 1.5 | 6.5 | 6.5 | 3.50 | 2028 | +5.4 |
| 60 | Nordenfur, Anton | 1702 | SWE | F | F | F | F | −41N | +70B | −58N | =57B | 1.5 | 6.0 | 6.0 | 1.75 | 1747 | +4.2 |
| 61 | Granberg, Leo | 1708 | SWE | F | F | F | F | +62N | =17B | F | — | 1.5 | 5.0 | 5.0 | 2.75 | 1777 | +2.0 |
| 62 | Eliasson, Saxon | 0 | SWE | F | F | F | F | −61B | =76N | +75B | −68N | 1.5 | 3.5 | 3.5 | 0.75 | 1598 | 0.0 |
| 63 | Kozik,Irina | 0 | SWE | F | F | F | F | −44N | =75N | +77B | — | 1.5 | 3.0 | 3.0 | 0.75 | 1494 | 0.0 |
| 64 | KHASCHULUU, Sergelenbaatar | 2012 | MGL | F | F | F | F | −19N | +23B | −6N | −3B | 1.0 | 11.5 | 11.5 | 2.50 | 1825 | -19.4 |
| 65 | Johansson, Simon 1981 | 1728 | SWE | F | F | F | F | +7B | −22N | −21B | −25N | 1.0 | 10.5 | 10.5 | 3.00 | 1595 | -13.4 |
| 66 | Karlberg, Daniel | 1722 | SWE | F | F | F | F | =33B | −18B | −5N | =49B | 1.0 | 9.5 | 9.5 | 2.00 | 1629 | -10.0 |
| 67 | Gultekin, Ece | 1712 | SWE | F | F | F | F | −48N | +49B | −8N | −41N | 1.0 | 9.0 | 9.0 | 2.00 | 1654 | -11.2 |
| 68 | Uniyal, Hanns Ivar | 1722 | SWE | F | F | F | F | −23N | −8B | −47N | +62B | 1.0 | 9.0 | 9.0 | 1.50 | 1098 | -21.6 |
| 69 | Ulfeldt, Elliot | 1698 | SWE | F | F | F | F | −15B | −7N | −25B | +75N | 1.0 | 8.5 | 8.5 | 0.50 | 1503 | -40.0 |
| 70 | Arnshav, Ivar | 1762 | SWE | F | F | F | F | −22B | −60N | −26B | +73N | 1.0 | 7.5 | 7.5 | 1.00 | 943 | -63.2 |
| 71 | Alm, Vidar | 1627 | SWE | F | F | F | F | =21B | =25N | F | −48B | 1.0 | 7.0 | 7.0 | 2.50 | 1607 | -4.0 |
| 72 | Algars, Olle | 1896 | SWE | F | F | F | F | +75B | −32N | F | −50N | 1.0 | 6.0 | 6.0 | 0.50 | 1561 | -25.8 |
| 73 | Fagerlind,Carl-Olof | 0 | SWE | F | F | F | F | −49N | −45B | +78N | −70B | 1.0 | 5.5 | 5.5 | 0.50 | 1448 | 0.0 |
| 74 | Lovstrom, Bjorn | 1765 | SWE | F | F | F | F | −24N | F | −42N | =26N | 0.5 | 7.0 | 7.0 | 1.25 | 1543 | -15.8 |
| 75 | Chornenkyi, Roman | 1602 | SWE | F | F | F | F | −72N | =63B | −62N | −69B | 0.5 | 5.0 | 5.0 | 0.75 | 997 | -20.8 |
| 76 | Sikira, Dino | 1708 | SWE | F | F | F | F | −26N | =62B | — | — | 0.5 | 4.0 | 4.0 | 0.75 | 791 | -13.2 |
| 77 | OMahony, Adam | 0 | SWE | F | F | F | F | F | =78B | −63N | −51N | 0.5 | 4.0 | 4.0 | 0.25 | 1316 | 0.0 |
| 78 | Radon, Vida | 1505 | SWE | F | F | F | F | −51B | =77N | −73B | F | 0.5 | 3.5 | 3.5 | 0.25 | 816 | -4.6 |
| 79 | Hanini, Jacob | 1827 | SWE | F | F | F | F | −56B | −50N | — | — | 0.0 | 3.5 | 3.5 | 0.00 | 905 | -26.8 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Bardhan, Sayak RajSWE+64.82.5 pts · #9
- 2Kingsley, EliasSWE+64.42.5 pts · #21
- 3Shi, SebastianSWE+56.43.5 pts · #3
Top rating losers
- 1Arnshav, IvarSWE-63.21.0 pts · #74
- 2Ulfeldt, ElliotSWE-40.01.0 pts · #58
- 3Perets, DmytroFMUKR-30.02.0 pts · #42
Biggest upsets
- R8+219 Elo gap
- R8+209 Elo gap
- R8+183 Elo gap