Wiener Amateurschachklub Open 2026
38 players participated in this 5-round tournament, held from 30 Apr 2026 to 03 May 2026 in Vienna, Austria. 4 titled players from 3 federations. Top 10 Elo average was 2154, and top seed was Nikolaus Stanec (🇦🇹 AUT, GM, 2433).
Nikolaus Stanec (🇦🇹 AUT, GM, 2433) won with 5.0/5, ahead of Tom Nolz (4.0) and Nathaniel Wickramasinghe (4.0). Stanec broke clear in the final round.
The biggest upset came in round 1: Christoph Kornfehl (1824) beat Andrii Karasevych (2012), a +188-point gap.
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How it unfolded
Top 6 · 5 roundsGM Nikolaus Stanec led from R5; +1.0-point edge over the runner-up. Title race converged from 2 co-leaders at R4 to 1 by R5.
GM Nikolaus Stanec never relinquished the lead after R5; final gap +1.0 over the runner-up.
GM Nikolaus Stanec beat Tom Nolz (White).
GM Nikolaus Stanec 5 wins (R1–R5)Tom Nolz 3 wins (R1–R3)Nathaniel Wickramasinghe 4 wins (R1–R4)
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1GMNikolaus Stanec | * | 1 | 1 | — |
| 2Tom Nolz | 0 | * | — | — |
| 3Nathaniel Wickramasinghe | 0 | — | * | — |
| 4Dario Soldo | — | — | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Stanec, NikolausGM | 2433 | AUT | +14N | +34B | +7N | +2B | +3N | 5.0 | 14.0 | 15.0 | 15.00 | 2887 | +6.1 |
| 2 | Nolz, Tom | 2232 | AUT | +22B | +20N | +17B | −1N | +10B | 4.0 | 13.0 | 15.0 | 10.00 | 2374 | +17.4 |
| 3 | Wickramasinghe, Nathaniel | 2060 | AUT | +24B | +30N | +12B | +5N | −1B | 4.0 | 13.0 | 14.5 | 9.50 | 2294 | +27.6 |
| 4 | Soldo, Dario | 1945 | AUT | +6B | =10N | +15B | =12N | +26B | 4.0 | 11.5 | 13.5 | 10.75 | 2328 | +48.6 |
| 5 | Leonov, Leonid | 1936 | AUT | +21N | +8B | =10N | −3B | +15B | 3.5 | 13.0 | 15.5 | 10.00 | 2238 | +80.4 |
| 6 | Veladzic, Benjamin | 2087 | AUT | −4N | =9B | +27N | +14B | +18N | 3.5 | 12.5 | 14.5 | 8.75 | 2158 | +19.2 |
| 7 | Jevremovic, Filip | 2069 | AUT | +31B | +23N | −1B | =13N | +12B | 3.5 | 12.0 | 13.5 | 7.25 | 2222 | +38.0 |
| 8 | Groessing, Daniel-Yosuke | 2095 | AUT | +11B | −5N | +32B | =19N | +13B | 3.5 | 11.5 | 13.0 | 8.25 | 2125 | +8.0 |
| 9 | Exler, VeronikaWIM | 2159 | AUT | =13B | =6N | =22B | +16N | +17B | 3.5 | 11.0 | 13.0 | 9.00 | 2156 | +0.4 |
| 10 | Pribitzer, Stefan | 2131 | AUT | +26N | =4B | =5B | +20N | −2N | 3.0 | 14.0 | 16.0 | 8.25 | 2097 | -3.8 |
| 11 | Steinert, Martin | 1954 | AUT | −8N | −25B | +36N | +35B | +23N | 3.0 | 7.5 | 7.5 | 2.00 | 2005 | +7.2 |
| 12 | Radnaev, LeoCM | 2175 | AUT | +32N | +19B | −3N | =4B | −7N | 2.5 | 14.0 | 15.5 | 6.00 | 2016 | -41.6 |
| 13 | Karelina, PolinaWFM | 1984 | BAH | =9N | +21B | =16N | =7B | −8N | 2.5 | 13.0 | 15.5 | 7.25 | 2061 | +10.4 |
| 14 | Kuntner, Reinhard | 2008 | AUT | −1B | =24N | +28B | −6N | +31B | 2.5 | 12.5 | 14.0 | 4.50 | 2072 | +6.2 |
| 15 | Fuertler, Oliver | 2071 | AUT | +27N | =16B | −4N | +22B | −5N | 2.5 | 12.0 | 14.0 | 5.25 | 1941 | -34.8 |
| 16 | Kucharski, Michael | 1896 | AUT | +25N | =15N | =13B | −9B | =20N | 2.5 | 11.0 | 13.0 | 5.75 | 2058 | +21.0 |
| 17 | Wiedermann, Daniel | 2063 | AUT | +33N | +35B | −2N | =18B | −9N | 2.5 | 11.0 | 11.0 | 2.25 | 2027 | -4.6 |
| 18 | Karasevych, Andrii | 2012 | UKR | −30B | +33N | +23B | =17N | −6B | 2.5 | 9.5 | 10.5 | 4.25 | 1948 | -8.2 |
| 19 | Bitarafhaghighi, Hossein | 2022 | AUT | +36N | −12N | +30B | =8B | F | 2.5 | 9.5 | 9.5 | 3.25 | 2081 | +6.2 |
| 20 | Hellerschmid, Andreas | 2036 | AUT | +38N | −2B | +35N | −10B | =16B | 2.5 | 9.5 | 9.5 | 1.25 | 1991 | -11.6 |
| 21 | Karner, Daniel | 2086 | AUT | −5B | −13N | +33B | =31N | +30B | 2.5 | 9.0 | 10.0 | 3.25 | 1914 | -22.2 |
| 22 | Schwaiger, Michael | 2007 | AUT | −2N | +37B | =9N | −15N | =32B | 2.0 | 11.5 | 11.5 | 2.50 | 1997 | -2.2 |
| 23 | Gaiovy, Danylo | 1859 | AUT | +29N | −7B | −18N | +32N | −11B | 2.0 | 11.0 | 12.5 | 3.50 | 1937 | +19.6 |
| 24 | Hoebarth, Guenter | 1901 | AUT | −3N | =14B | +29N | F | =28B | 2.0 | 10.5 | 10.5 | 4.25 | 2036 | +14.6 |
| 25 | Taizhanov, Aissultan | 2040 | AUT | −16B | +11N | +31B | −26N | F | 2.0 | 10.0 | 11.5 | 4.50 | 1935 | -22.8 |
| 26 | Klausner, Felix | 1975 | AUT | −10B | +36N | F | +25B | −4N | 2.0 | 10.0 | 10.0 | 2.00 | 1992 | +1.8 |
| 27 | Aichinger, Johannes | 1920 | AUT | −15B | =28N | −6B | =30N | +35N | 2.0 | 9.5 | 9.5 | 1.75 | 1899 | -6.4 |
| 28 | Stinner, David | 2050 | AUT | F | =27B | −14N | +33B | =24N | 2.0 | 7.5 | 7.5 | 3.00 | 1935 | -12.6 |
| 29 | Sauper, Dorian | 2027 | AUT | −23B | −31N | −24B | +37N | +36B | 2.0 | 5.5 | 5.5 | 0.00 | 1813 | -28.8 |
| 30 | Kornfehl, Christoph | 1824 | AUT | +18N | −3B | −19N | =27B | −21N | 1.5 | 11.5 | 13.5 | 3.50 | 1871 | +5.0 |
| 31 | Gockner, Martin | 1916 | AUT | −7N | +29B | −25N | =21B | −14N | 1.5 | 10.5 | 12.5 | 3.25 | 1897 | -2.6 |
| 32 | Veladzic, Isak | 1985 | AUT | −12B | +38N | −8N | −23B | =22N | 1.5 | 10.0 | 10.0 | 1.00 | 1853 | -35.6 |
| 33 | Kravchuk, Aleksandr | 1909 | AUT | −17B | −18B | −21N | −28N | +37B | 1.0 | 9.5 | 9.5 | 0.00 | 1782 | -14.8 |
| 34 | Mykhailets, Polina | 2042 | UKR | +37N | −1N | F | F | F | 1.0 | 7.0 | 7.0 | 0.00 | 2166 | +8.8 |
| 35 | Feseniuk, Pavlo | 1822 | AUT | F | −17N | −20B | −11N | −27B | 0.0 | 10.0 | 10.0 | 0.00 | 1193 | -44.8 |
| 36 | Hrdina, Karl | 1851 | AUT | −19B | −26B | −11B | F | −29N | 0.0 | 9.5 | 9.5 | 0.00 | 1195 | -24.6 |
| 37 | Stasiv, Eugenia | 1899 | UKR | −34B | −22N | F | −29B | −33N | 0.0 | 6.0 | 6.0 | 0.00 | 1196 | -59.2 |
| 38 | Grzywacz, Phillip | 1876 | AUT | −20B | −32B | F | F | F | 0.0 | 4.0 | 4.0 | 0.00 | 1211 | -12.8 |
Key insights
Biggest movers and upsets — the story behind the numbers.
- 1Leonov, LeonidAUT+80.43.5 pts · #5
- 2Soldo, DarioAUT+48.64.0 pts · #4
- 3Jevremovic, FilipAUT+38.03.5 pts · #8
- 1Stasiv, EugeniaUKR-59.20.0 pts · #37
- 2Feseniuk, PavloAUT-44.80.0 pts · #38
- 3Radnaev, LeoCMAUT-41.62.5 pts · #21
- R1+188 Elo gap
- R1+168 Elo gap
- R2+159 Elo gap