Wroclaw Open B - Adolf Anderssen Chess Festival 2025

Open SwissStandard

75 players participated in this 9-round tournament, held from 03 Aug 2025 to 10 Aug 2025 in Wroclaw, Poland. 2 titled players from 8 federations. Top 10 Elo average was 2011, and top seed was Nikita Semenukha (🇺🇦 UKR, 2065).

Michal Grzebieniowski (🇵🇱 POL, 2050) won with 7.5/9, ahead of Stanislaw Misiek (7.0) and Milosz Bury (6.5). Grzebieniowski broke clear in the final round.

The biggest upset came in round 9: Jerzy Dymara (1761) beat Dariusz Szopka (FM, 2006), a +245-point gap.

Location

🇵🇱Wroclaw, Poland

Dates

03 Aug 2025 → 10 Aug 2025

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

Top seed

🇺🇦Nikita Semenukha2065

Avg top 10

2,011

Participants

Titled players · 2

FM×1

WFM×1

Federations · 8 represented

🇵🇱Poland×62

🇩🇪Germany×4

🇨🇿Czech Republic×2

🇬🇧England×2

FIDE (no federation)×2

🇧🇪Belgium×1

🇮🇳India×1

🇺🇦Ukraine×1

Top 3

🥇
Michal Grzebieniowski
🇵🇱POL·2050
7.5pts·2194perf+55.1
🥈
Stanislaw Misiek
🇵🇱POL·1900
7.0pts·2137perf+109.2
🥉
Milosz Bury
🇵🇱POL·1922
6.5pts·2089perf+40.2

How it unfolded

Top 6 · 9 rounds

Michal Grzebieniowski led from R7; +0.5-point edge over the runner-up. Title race converged from 6 co-leaders at R4 to 1 by R7.

Co-leaders

Grzebieniowski7.5Misiek7Bury6.5Durzynski6Bes6Krzyzosiak6

R7–R9 · LEAD HELD

Michal Grzebieniowski held the sole lead from R7 through R9 without losing it.

R4 · HEAD-TO-HEAD · WINNER VS 2ND

Michal Grzebieniowski drew with Stanislaw Misiek (Black).

WIN STREAKS · 2 top finishers

Michal Grzebieniowski 3 wins (R1–R3)Stanislaw Misiek 3 wins (R1–R3)

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1Michal Grzebieniowski	*	½	½	—
2Stanislaw Misiek	½	*	½	1
3Milosz Bury	½	½	*	—
4Jan Durzynski	—	0	—	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	R6	R7	R8	R9	Pts	Bu C1	Bu	SB	Perf	Δ
1	Grzebieniowski, Michal	2050	POL	+20B	+22N	+11B	=2N	+5B	=3N	+7B	=9N	+12B	7.5	48.0	53.0	43.25	2194	+55.1
2	Misiek, Stanislaw	1900	POL	+64N	+53B	+4N	=1B	+13N	−7B	+23B	+10N	=3B	7.0	46.0	49.0	36.00	2137	+109.2
3	Bury, Milosz	1922	POL	+44N	=42B	+15N	=33B	+6N	=1B	+12B	=4N	=2N	6.5	46.0	50.0	35.50	2089	+40.2
4	Wieczorek, Mikolaj	1994	POL	+69B	+8N	−2B	+28N	+11B	=19N	=14B	=3B	=6N	6.0	47.0	50.0	31.50	2020	+6.0
5	Kowalczyk, Wojciech	1877	POL	+63B	+29N	+12B	=10B	−1N	=21N	+48B	=14N	=8B	6.0	44.5	47.5	28.75	2053	+42.2
6	Bes, Michal	2034	POL	+31B	=25N	=14B	+8N	−3B	=20N	+47B	+19N	=4B	6.0	44.0	48.0	30.75	2005	-6.4
7	Owczarek, HannaWFM	1928	POL	+59B	=15N	=34B	+70N	+20B	+2N	−1N	F	+9B	6.0	44.0	46.5	29.00	2057	+38.6
8	Krzyzosiak, Anna	1870	POL	+35N	−4B	+53N	−6B	+39N	=26B	+27N	+13B	=5N	6.0	42.5	46.0	28.50	1988	+28.4
9	Nawrocki, Michal	1975	POL	+39N	+66B	−19N	=27B	+22N	+24B	+33N	=1B	−7N	6.0	42.5	45.5	28.25	2005	+14.0
10	Durzynski, Jan	1913	POL	+74B	+56N	+28B	=5N	=19B	−12N	+21B	−2B	+25N	6.0	42.0	43.5	25.50	1997	+40.0
11	Iwan, Patryk	1911	POL	+68N	+36B	−1N	+35B	−4N	=51B	=26N	+34B	+41N	6.0	40.0	43.0	25.00	1958	+23.2
12	Semenukha, Nikita	2065	UKR	+26N	+16B	−5N	=22B	+15N	+10B	−3N	+33B	−1N	5.5	47.0	51.5	29.00	1974	-20.0
13	Biela, Mikolaj	1983	POL	=34B	+38N	+25B	+41N	−2B	−14N	+28B	−8N	+20B	5.5	42.5	46.5	25.75	1916	-28.8
14	Soliwoda, Zygmunt	1891	POL	=71N	+58B	=6N	=29B	+49N	+13B	=4N	=5B	F	5.5	41.5	44.0	25.75	2045	+32.8
15	Stachniak, Stanislaw	1839	POL	+75N	=7B	−3B	+56N	−12B	+35N	+52B	+23N	F	5.5	40.0	41.0	20.50	2024	+78.4
16	Mukherjee Bratajit	1892	IND	+72B	−12N	=59B	+44N	=41B	=38N	+46B	=20N	=17B	5.5	36.0	37.5	20.75	1892	-0.4
17	Zapolska, Roksana	1810	POL	=23B	−37N	+63B	−54N	=45B	+53N	+55N	+22B	=16N	5.5	34.5	37.5	22.25	1941	+61.6
18	Somyk, Marcin	1916	POL	−36N	+46B	−35N	+64B	−27N	+65B	=43N	+42B	+33N	5.5	33.5	36.5	20.50	1850	-15.6
19	Zelak, Wladyslaw	1862	POL	+45B	+52N	+9B	=21N	=10N	=4B	−29N	−6B	=27N	5.0	43.0	46.5	24.50	1980	+28.0
20	Korczakowski, Michal	1826	POL	−1N	+64B	+50N	+62B	−7N	=6B	+24N	=16B	−13N	5.0	42.5	45.5	20.75	1957	+59.7
21	Drygas, Wojciech	1934	POL	+27N	=33B	+42N	=19B	=24N	=5B	−10N	=26B	=32N	5.0	41.5	45.5	24.25	1889	-11.6
22	Nowak, Roksana	1886	POL	+60B	−1B	+36N	=12N	−9B	=46N	+45B	−17N	+35N	5.0	41.5	45.0	21.25	1894	+1.4
23	Lasok, Marek	1987	POL	=17N	+71B	=24N	+51B	=33N	+27B	−2N	−15B	=26N	5.0	41.5	44.0	21.50	1878	-26.2
24	Aksianevich, Yury	1903	POL	+30B	=41N	=23B	+34N	=21B	−9N	−20B	+46N	=31B	5.0	39.5	43.5	23.00	1885	-4.6
25	Moszczenski, Milosz	1883	POL	+65N	=6B	−13N	+42B	−29N	+49B	=34N	+38B	−10B	5.0	39.5	42.5	20.75	1924	+9.2
26	Kulczycka, Zofia	1828	POL	−12B	+72N	=56B	+30N	=54B	=8N	=11B	=21N	=23B	5.0	39.5	41.0	21.00	1923	+42.2
27	Plichta, Krzysztof	1795	POL	−21B	+73N	+52B	=9N	+18B	−23N	−8B	+54N	=19B	5.0	39.5	41.0	19.50	1954	+37.8
28	Wolek, Lukas	1851	GER	+57N	+62B	−10N	−4B	=35N	+63B	−13N	+43B	=37N	5.0	37.0	40.0	18.00	1901	+23.2
29	Stiefel, Roland	2045	GER	+61N	−5B	+43B	=14N	+25B	=48N	+19B	F	—	5.0	35.5	39.0	22.25	2000	-5.8
30	Dymara, Jerzy	1761	POL	−24N	+40B	=66N	−26B	−37B	+72N	=44B	+45N	+52B	5.0	33.5	35.0	17.00	1893	+58.8
31	Jedrzejko, Martyna	1819	POL	−6N	+65B	−62N	+58B	=43N	=55B	=41N	+70B	=24N	5.0	32.0	34.5	17.25	1871	+11.8
32	Obrycki, Aleksander	1801	POL	−62N	=57B	=58N	+53B	−47B	+50N	=54B	+52N	=21B	5.0	30.5	33.5	18.75	1884	+38.8
33	Krawiec, Grzegorz	1839	POL	+70B	=21N	+37B	=3N	=23B	+54N	−9B	−12N	−18B	4.5	41.5	44.0	18.75	1932	+22.4
34	Owczarek, Maciej	1804	POL	=13N	+67B	=7N	−24B	=52B	+37N	=25B	−11N	=36B	4.5	40.0	43.0	19.75	1916	+38.1
35	Karpiuk, Julian	1737	POL	−8B	+69N	+18B	−11N	=28B	−15B	+62N	+47N	−22B	4.5	40.0	43.0	18.00	1880	+34.2
36	Suszczynski, Dominik	1766	POL	+18B	−11N	−22B	−52N	+73N	=57B	+58N	=39B	=34N	4.5	36.0	37.5	16.75	1834	+15.8
37	Yarina, Sergey	1941	FID	F	+17B	−33N	−49B	+30N	−34B	+63N	+59N	=28B	4.5	35.0	35.0	19.50	1846	-19.8
38	Zajadlak, Milosz	1793	POL	=67N	−13B	=61N	+50B	+62N	=16B	F	−25N	+48B	4.5	33.5	33.5	17.00	1921	+55.2
39	Nowacka, Dorota	1804	POL	−9B	−45N	+72B	+75N	−8B	=70N	+56B	=36N	=51N	4.5	32.0	33.0	11.50	1788	-4.2
40	Popkiewicz, Adam	1833	GER	−56B	−30N	−57N	+74B	−65N	+68B	+53N	=50B	+55N	4.5	29.0	30.5	13.50	1759	-36.0
41	Zalewska, Malgorzata	1703	POL	F	=24B	+55N	−13B	=16N	=47N	=31B	+48N	−11B	4.0	38.5	38.5	17.25	1890	+77.6
42	Gilbert, Alistair	1794	ENG	+54B	=3N	−21B	−25N	+56B	−52N	+60B	−18N	=46B	4.0	36.5	40.0	15.75	1825	+14.8
43	Piatak, Adam	1720	POL	+51N	=55B	−29N	=66B	=31B	=44N	=18B	−28N	=47B	4.0	36.0	39.0	16.50	1835	+53.6
44	Krzyzosiak, Marta	1790	POL	−3B	=54N	+67N	−16B	=57N	=43B	=30N	=55B	=49N	4.0	35.5	38.5	14.75	1802	+3.2
45	Zahorski, Bartosz	1734	POL	−19N	+39B	−51N	=67B	=17N	+66B	−22N	−30B	+62N	4.0	35.0	38.0	14.75	1815	+19.8
46	Gulbinski, Michal	1768	POL	−55N	−18N	+73B	+61B	+66N	=22B	−16N	−24B	=42N	4.0	35.0	36.5	12.50	1814	+11.8
47	Jaroszewicz, Dawid	1857	POL	=58N	=50B	−70N	+65B	+32N	=41B	−6N	−35B	=43N	4.0	34.0	36.5	15.75	1724	-31.6
48	Graff, Slawomir	1840	POL	−53N	=68B	+71N	+57B	+55N	=29B	−5N	−41B	−38N	4.0	33.0	35.5	13.50	1768	-17.2
49	Galczynski, Maksymilian	1815	POL	−52B	=63N	+60B	+37N	−14B	−25N	−70B	+56N	=44B	4.0	32.5	35.0	15.00	1783	-14.4
50	Wronowicz, Jakub	1705	POL	F	=47N	−20B	−38N	+64B	−32B	+65N	=40N	+59B	4.0	32.5	32.5	13.75	1802	+20.8
51	Sonibare, Antoni	1848	POL	−43B	+74N	+45B	−23N	+70B	=11N	F	F	=39B	4.0	27.5	27.5	13.25	1856	+4.4
52	Szopka, DariuszFM	2006	POL	+49N	−19B	−27N	+36B	=34N	+42B	−15N	−32B	−30N	3.5	38.5	42.5	14.75	1725	-66.4
53	Kolodziejski, Grzegorz	1720	POL	+48B	−2N	−8B	−32N	+68N	−17B	−40B	+72N	=60B	3.5	38.5	40.0	10.25	1734	+2.4
54	Warcaba, Jakub	1923	POL	−42N	=44B	+68N	+17B	=26N	−33B	=32N	−27B	F	3.5	36.0	38.5	15.50	1760	-36.0
55	Sucharski, Jakub	1920	POL	+46B	=43N	−41B	+59N	−48B	=31N	−17B	=44N	−40B	3.5	35.0	38.5	14.00	1706	-104.0
56	Antczak, Marcin	1709	POL	+40N	−10B	=26N	−15B	−42N	+75B	−39N	−49B	+73N	3.5	35.0	36.0	9.50	1727	+3.4
57	Kazubski, Kacper	1722	POL	−28B	=32N	+40B	−48N	=44B	=36N	−59B	=60N	=66B	3.5	34.0	37.0	14.50	1729	+2.4
58	Trzeciak, Emilian	1728	POL	=47B	−14N	=32B	−31N	+61N	F	−36B	=67B	+64N	3.5	33.5	33.5	12.50	1787	+22.8
59	Rynkiewicz, Piotr	1795	POL	−7N	+75B	=16N	−55B	−63N	+71B	+57N	−37B	−50N	3.5	32.5	33.5	9.75	1733	-30.8
60	Kilar, Radoslaw	1752	POL	−22N	=61B	−49N	=68B	+67N	=62B	−42N	=57B	=53N	3.5	29.5	32.5	11.25	1744	-2.4
61	Rybka, Tatiana	1822	POL	−29B	=60N	=38B	−46N	−58B	F	=73N	+74B	+63N	3.5	26.5	26.5	9.25	1748	-35.6
62	Lascar, Radoslawa	1972	BEL	+32B	−28N	+31B	−20N	−38B	=60N	−35B	=64N	−45B	3.0	36.5	39.5	13.25	1661	-73.2
63	Wozniak, Bartosz	1743	POL	−5N	=49B	−17N	+71B	+59B	−28N	−37B	=66N	−61B	3.0	35.0	37.5	9.50	1710	-14.8
64	Was, Stanislaw	1759	POL	−2B	−20N	+69B	−18N	−50N	=67B	+75N	=62B	−58B	3.0	34.0	35.0	7.00	1708	-25.2
65	Mencfel, Artur	1752	POL	−25B	−31N	+74B	−47N	+40B	−18N	−50B	−69N	+71B	3.0	33.5	35.0	8.50	1692	-14.2
66	Cichocki, Konrad	1854	POL	+73B	−9N	=30B	=43N	−46B	−45N	F	=63B	=57N	3.0	31.0	31.0	9.25	1683	-38.4
67	Hlavacek, Pavel	1923	CZE	=38B	−34N	−44B	=45N	−60B	=64N	+72B	=58N	−69B	3.0	30.0	31.5	9.00	1646	-126.5
68	Szymczak, Milosz	1763	POL	−11B	=48N	−54B	=60N	−53B	−40N	−69N	+75B	+72B	3.0	29.5	30.5	6.25	1682	-20.0
69	Shakhnovich, Uladzislau	1815	FID	−4N	−35B	−64N	−72B	−71N	F	+68B	+65B	+67N	3.0	26.5	26.5	9.00	1718	-22.8
70	Pelczarski, Wojciech	1719	POL	−33N	F	+47B	−7B	−51N	=39B	+49N	−31N	F	2.5	35.5	35.5	10.25	1742	+5.6
71	Butterworth, Paul	1754	ENG	=14B	−23N	−48B	−63N	+69B	−59N	=74N	=73B	−65N	2.5	28.5	30.0	7.25	1647	-52.0
72	Stiehler, Mara	1757	GER	−16N	−26B	−39N	+69N	=75B	−30B	−67N	−53B	−68N	1.5	32.5	33.5	3.50	1530	-97.6
73	Owczarek, Monika	1727	POL	−66N	−27B	−46N	F	−36B	=74N	=61B	=71N	−56B	1.5	27.5	27.5	3.75	1528	-38.6
74	Alvarado, Luis	1766	POL	−10N	−51B	−65N	−40N	F	=73B	=71B	−61N	=75N	1.5	26.0	26.0	2.50	1544	-87.6
75	Hutyra, Tomas	1713	CZE	−15B	−59N	F	−39B	=72N	−56N	−64B	−68N	=74B	1.0	26.0	26.0	1.50	1453	-46.2

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Misiek, StanislawPOL
+109.2
7.0 pts · #2
2Stachniak, StanislawPOL
+78.4
5.5 pts · #15
3Zalewska, MalgorzataPOL
+77.6
4.0 pts · #45

Top rating losers

1Hlavacek, PavelCZE
-126.5
3.0 pts · #64
2Sucharski, JakubPOL
-104.0
3.5 pts · #57
3Stiehler, MaraGER
-97.6
1.5 pts · #73

Biggest upsets

R9+245 Elo gap
Dymara, Jerzy1761 beat FMSzopka, Dariusz2006
R9+238 Elo gap
Zahorski, Bartosz1734 beat Lascar, Radoslawa1972
R7+235 Elo gap
Karpiuk, Julian1737 beat Lascar, Radoslawa1972