Baltic Chess Open 2025 A
SwissStandard
45 players participated in this 7-round tournament, held from 30 Oct 2025 to 02 Nov 2025 in Kiel, Germany. 11 titled players from 8 federations. Top 10 Elo average was 2274, and top seed was Aljoscha Feuerstack (🇩🇪 GER, IM, 2452).
Aljoscha Feuerstack (🇩🇪 GER, IM, 2452) won with 6.0/7, ahead of Magnus Arndt (5.5) and Brandon Jiang (5.5). Feuerstack won solo starting round 4.
The biggest upset came in round 7: Brandon Jiang (FM, 2046) beat Aljoscha Feuerstack (IM, 2452), a +406-point gap.
Location
🇩🇪Kiel, Germany
Dates
30 Oct 2025 → 02 Nov 2025
Time control
Standard: 90min/40moves+30min/end+30sec increment per move starting from move 1
System
Swiss · 7 rounds
Titled players · 11
IM×1
FM×7
CM×1
WFM×1
WCM×1
Federations · 8 represented
🇩🇪Germany×37
🇨🇿Czech Republic×2
🇺🇸United States of America×1
🇺🇦Ukraine×1
🇳🇱Netherlands×1
🇩🇰Denmark×1
🇮🇱Israel×1
🇸🇾Syria×1
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 7 roundsIM Aljoscha Feuerstack led from R4; +0.5-point edge over the runner-up.
Co-leaders
15
6
3
1
1
1
1
R4–R7 · LEAD HELD
IM Aljoscha Feuerstack held the sole lead from R4 through R7 without losing it.
R4 · HEAD-TO-HEAD · WINNER VS 2ND
IM Aljoscha Feuerstack beat FM Magnus Arndt (White).
WIN STREAKS · 3 top finishers
IM Aljoscha Feuerstack 6 wins (R1–R6)FM Magnus Arndt 3 wins (R1–R3)FM Brandon Jiang 4 wins (R4–R7)
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1IMAljoscha Feuerstack | * | 1 | 0 | 1 |
| 2FMMagnus Arndt | 0 | * | — | — |
| 3FMBrandon Jiang | 1 | — | * | — |
| 4FMKarsten Schulz | 0 | — | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | R7 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Feuerstack, AljoschaIM | 2452 | GER | +39N | +29B | +14N | +2B | +4N | +6B | −3B | 6.0 | 26.5 | 28.0 | 22.50 | 2481 | +2.8 |
| 2 | Arndt, MagnusFM | 2374 | GER | +9B | +17N | +16B | −1N | =5B | +15N | +7B | 5.5 | 26.5 | 30.0 | 21.75 | 2378 | +1.9 |
| 3 | Jiang, BrandonFM | 2046 | USA | F | +40N | =8B | +26N | +16B | +5B | +1N | 5.5 | 23.0 | 23.0 | 20.75 | 2581 | +136.0 |
| 4 | Schulz, KarstenFM | 2173 | GER | =23N | +33B | +15N | +11B | −1B | +17N | =8B | 5.0 | 24.5 | 26.5 | 16.75 | 2243 | +15.4 |
| 5 | Beeck, Mats | 2226 | GER | +22B | =11N | +7B | +6B | =2N | −3N | =10B | 4.5 | 28.5 | 32.0 | 19.50 | 2215 | +0.4 |
| 6 | Koniahli, MalekFM | 2343 | SYR | +20B | +35N | +10B | −5N | +8B | −1N | =14N | 4.5 | 26.5 | 28.5 | 16.25 | 2274 | -7.4 |
| 7 | Hrbek, Jachym | 2071 | CZE | =15N | +23B | −5N | +21B | +18N | +19B | −2N | 4.5 | 24.0 | 27.0 | 15.25 | 2133 | +24.4 |
| 8 | Farokhi, KeyvanFM | 2362 | GER | +24N | =25B | =3N | +29B | −6N | +30B | =4N | 4.5 | 23.5 | 26.0 | 14.75 | 2189 | -24.0 |
| 9 | Boerma, Daniel | 1987 | GER | −2N | =12B | +33N | =23B | +28N | =11B | +31N | 4.5 | 22.0 | 24.0 | 13.00 | 2098 | +19.0 |
| 10 | Porth, Hartmut | 1996 | GER | +44N | +43B | −6N | =14B | =19N | +25B | =5N | 4.5 | 20.0 | 20.0 | 9.75 | 2222 | +41.4 |
| 11 | Redder, Jan-Philipp | 2025 | GER | +41B | =5B | +19N | −4N | =14B | =9N | =13B | 4.0 | 25.0 | 26.5 | 13.25 | 2118 | +18.2 |
| 12 | Aguike, Toshiya | 1897 | GER | −14N | =9N | +45B | −19B | +42N | =18B | +24N | 4.0 | 19.0 | 19.0 | 8.00 | 2018 | +45.6 |
| 13 | Haffner, Alexander | 2025 | GER | −18N | −15B | =34N | +45B | +23N | +32B | =11N | 4.0 | 18.5 | 18.5 | 8.50 | 1943 | -14.8 |
| 14 | Tran, Duc Cuong | 2134 | GER | +12B | +30N | −1B | =10N | =11N | F | =6B | 3.5 | 26.0 | 28.5 | 13.00 | 2143 | +2.4 |
| 15 | Zeissig, Richard | 1861 | GER | =7B | +13N | −4B | +20N | +35N | −2B | F | 3.5 | 26.0 | 28.0 | 11.75 | 2149 | +89.2 |
| 16 | Herrmann, JakobFM | 2218 | GER | +21N | +18B | −2N | =25B | −3N | =31B | =30N | 3.5 | 23.5 | 26.0 | 11.00 | 2004 | -34.6 |
| 17 | Saglam, Buelent | 2109 | GER | +34N | −2B | =21N | +27B | +31N | −4B | F | 3.5 | 23.0 | 25.0 | 9.25 | 2097 | -1.0 |
| 18 | Strebel, Michael | 1853 | GER | +13B | −16N | =35B | +22N | −7B | =12N | =26N | 3.5 | 22.5 | 24.5 | 12.00 | 2024 | +30.0 |
| 19 | Rieper, Julian | 2087 | GER | =40B | +37N | −11B | +12N | =10B | −7N | =27B | 3.5 | 22.0 | 23.5 | 10.50 | 1952 | -24.8 |
| 20 | Svoboda, Daniel | 1953 | CZE | −6N | +34B | =41N | −15B | =33N | =24B | +32N | 3.5 | 17.5 | 19.0 | 7.75 | 1950 | -6.4 |
| 21 | Kawena, Jason | 1921 | GER | −16B | +32N | =17B | −7N | =41B | =36N | +39B | 3.5 | 17.5 | 19.0 | 7.50 | 1981 | +10.2 |
| 22 | Berezovskii, ArinaWCM | 1937 | ISR | −5N | +44B | −24N | −18B | =39N | +42B | +33N | 3.5 | 15.5 | 15.5 | 3.75 | 1946 | +0.8 |
| 23 | Scharf, Christian | 1902 | GER | =4B | −7N | +40B | =9N | −13B | −27N | +34B | 3.0 | 23.0 | 24.5 | 8.25 | 1941 | +6.0 |
| 24 | Tobianski, Fabian | 1969 | GER | −8B | =42N | +22B | −30N | +37B | =20N | −12B | 3.0 | 20.0 | 21.0 | 7.75 | 1909 | -14.2 |
| 25 | Poulsen, Iver | 2038 | DEN | +32B | =8N | =38B | =16N | =30B | −10N | F | 3.0 | 19.5 | 19.5 | 8.75 | 2082 | +5.8 |
| 26 | Manz, Lukas | 1943 | GER | =38B | F | +43N | −3B | +29N | F | =18B | 3.0 | 18.0 | 18.0 | 6.25 | 2158 | +55.2 |
| 27 | Farokhi, Darian | 1905 | GER | −43N | +39B | F | −17N | =36B | +23B | =19N | 3.0 | 14.5 | 14.5 | 7.25 | 2010 | +31.6 |
| 28 | Fransson, Max | 1902 | GER | F | −38N | =37B | +44N | −9B | =35B | +29N | 3.0 | 13.0 | 13.0 | 4.50 | 2019 | +34.0 |
| 29 | Voigt, AnastasiaWFM | 2076 | GER | +42B | −1N | +36B | −8N | −26B | =41N | −28B | 2.5 | 20.0 | 21.0 | 3.75 | 1921 | -62.4 |
| 30 | Toumi, Faruk | 1802 | GER | F | −14B | =31N | +24B | =25N | −8N | =16B | 2.5 | 20.0 | 20.0 | 7.50 | 2030 | +29.4 |
| 31 | Basey, Matthew | 1976 | GER | F | =36N | =30B | +41N | −17B | =16N | −9B | 2.5 | 17.5 | 17.5 | 5.50 | 1901 | -13.2 |
| 32 | Aguike, Chidera | 1854 | GER | −25N | −21B | =39N | +34B | +44B | −13N | −20B | 2.5 | 17.5 | 17.5 | 2.75 | 1846 | -4.4 |
| 33 | Barskij, Aleksandr | 1895 | GER | F | −4N | −9B | +40N | =20B | =37N | −22B | 2.0 | 20.0 | 20.0 | 4.25 | 1845 | -8.6 |
| 34 | Olde, Henning | 1892 | GER | −17B | −20N | =13B | −32N | =40B | +44N | −23N | 2.0 | 18.0 | 18.0 | 2.75 | 1777 | -22.2 |
| 35 | Lu, Yunong Elias | 2079 | GER | +45N | −6B | =18N | F | −15B | =28N | F | 2.0 | 16.5 | 16.5 | 3.25 | 1893 | -50.0 |
| 36 | Anagnostoudis, Angelos | 1785 | GER | F | =31B | −29N | =39B | =27N | =21B | F | 2.0 | 15.0 | 15.0 | 5.25 | 1901 | +28.0 |
| 37 | Fransson, Till | 1889 | GER | F | −19B | =28N | =42B | −24N | =33B | =40N | 2.0 | 14.0 | 14.0 | 3.75 | 1809 | -12.8 |
| 38 | Lymar, VladislavFM | 2261 | UKR | =26N | +28B | =25N | F | F | F | F | 2.0 | 9.0 | 9.0 | 6.00 | 2086 | -11.0 |
| 39 | Gehrmann, Ulrich | 1988 | GER | −1B | −27N | =32B | =36N | =22B | F | −21N | 1.5 | 20.5 | 20.5 | 4.00 | 1772 | -35.8 |
| 40 | Siol, Mats Lennart | 1881 | GER | =19N | −3B | −23N | −33B | =34N | F | =37B | 1.5 | 18.0 | 18.0 | 3.75 | 1759 | -19.0 |
| 41 | Schulz-Vernholz, Daniel | 1845 | GER | −11N | F | =20B | −31B | =21N | =29B | F | 1.5 | 16.0 | 16.0 | 4.75 | 1841 | -0.8 |
| 42 | Frahm, Ben Jonas | 1870 | GER | −29N | =24B | F | =37N | −12B | −22N | F | 1.0 | 15.0 | 15.0 | 2.50 | 1714 | -37.6 |
| 43 | Vollbehr, BjarneCM | 2192 | GER | +27B | −10N | −26B | F | F | F | F | 1.0 | 10.5 | 10.5 | 3.00 | 1823 | -56.0 |
| 44 | Gerigk, Daniel | 1821 | GER | −10B | −22N | F | −28B | −32N | −34B | F | 0.0 | 15.5 | 15.5 | 0.00 | 1116 | -37.2 |
| 45 | Magin, Jesse | 1876 | NED | −35B | F | −12N | −13N | F | F | F | 0.0 | 11.5 | 11.5 | 0.00 | 1200 | -20.2 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Jiang, BrandonFMUSA+136.05.5 pts · #3
- 2Zeissig, RichardGER+89.23.5 pts · #17
- 3Manz, LukasGER+55.23.0 pts · #28
Top rating losers
- 1Voigt, AnastasiaWFMGER-62.42.5 pts · #30
- 2Vollbehr, BjarneCMGER-56.01.0 pts · #42
- 3Lu, Yunong EliasGER-50.02.0 pts · #34
Biggest upsets
- R7+406 Elo gap
- R3+249 Elo gap
- R5+218 Elo gap