Otwarte Mistrzostwa Warszawy grupa B 2025

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91 players participated in this 9-round tournament, held from 14 Nov 2025 to 20 Nov 2025 in Warszawa, Poland. 4 federations represented. Top 10 Elo average was 1741, and top seed was Pawel Podzorski (🇵🇱 POL, 1788).

Yan Hurskyi (🇵🇱 POL, 1739) won with 8.0/9, ahead of Stanislaw Was (7.0) and Fabian Chacinski Osorio (7.0). Hurskyi took the lead from round 7.

The biggest upset came in round 7: Mateusz Siwinski (1422) beat Tomasz Domoradzki (1670), a +248-point gap.

Location

🇵🇱Warszawa, Poland

Dates

14 Nov 2025 → 20 Nov 2025

Time control

Standard: 90 minutes with 30 second increment from move 1

System

Swiss · 9 rounds

Top seed

🇵🇱Pawel Podzorski1788

Avg top 10

1,741

Participants

Federations · 4 represented

🇵🇱Poland×84

🇺🇦Ukraine×2

🇺🇿Uzbekistan×1

🇿🇼Zimbabwe×1

Top 3

🥇
Yan Hurskyi
🇵🇱POL·1739
8.0pts·2016perf+98.4
🥈
Stanislaw Was
🇵🇱POL·1717
7.0pts·1906perf+85.2
🥉
Fabian Chacinski Osorio
🇵🇱POL·1694
7.0pts·1865perf+75.6

How it unfolded

Top 6 · 9 rounds

Yan Hurskyi led from R7; +1.0-point edge over the runner-up. Title race converged from 3 co-leaders at R4 to 1 by R7.

Co-leaders

Hurskyi8Chacinski Osorio7Was7Dondalski7Sobieraj6.5Stanczuk6.5

R7 · LEADER CHANGE18 Nov

Yan Hurskyi takes the sole lead (6.5/7).

R9 · HEAD-TO-HEAD · WINNER VS 2ND

Yan Hurskyi beat Fabian Chacinski Osorio (Black).

WIN STREAKS · 3 top finishers

Yan Hurskyi 5 wins (R3–R7)Fabian Chacinski Osorio 4+3 wins (R1–R4, R6–R8)Stanislaw Was 6 wins (R1–R6)

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1Yan Hurskyi	*	1	1	1
2Fabian Chacinski Osorio	0	*	1	—
3Stanislaw Was	0	0	*	—
4Aleksander Dondalski	0	—	—	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	R6	R7	R8	R9	Pts	Bu C1	Bu	SB	Perf	Δ
1	Hurskyi, Yan	1739	POL	+57N	=26B	+10N	+21B	+22N	+4B	+2B	=5N	+3N	8.0	48.5	52.0	46.25	2016	+98.4
2	Was, Stanislaw	1717	POL	+59N	+6B	+44N	+7B	+5N	+20B	−1N	−3B	+10N	7.0	49.5	53.0	38.00	1906	+85.2
3	Chacinski Osorio, Fabian	1694	POL	+84B	+48N	+8B	+23N	−20N	+6B	+24B	+2N	−1B	7.0	47.0	49.0	36.00	1865	+75.6
4	Dondalski, Aleksander	1645	POL	+32N	+68B	−20N	+58B	+23B	−1N	+16B	+21N	+12B	7.0	42.5	45.5	32.50	1832	+71.6
5	Sobieraj, Filip	1772	POL	+37N	+25B	F	+11N	−2B	+33B	+20N	=1B	+7N	6.5	46.5	51.0	35.50	1934	+61.6
6	Kurchanau, Ilya	1617	POL	+88B	−2N	+77B	+12N	+31B	−3N	=17N	+33B	+32B	6.5	41.5	42.5	25.75	1750	+52.0
7	Stanczuk, Maciej	1782	POL	+52B	+50N	+75B	−2N	=44B	+25N	+35B	+13N	−5B	6.5	40.5	43.5	28.00	1834	+12.6
8	Bartosik, Dawid	1565	POL	+78B	+18B	−3N	=35N	=43B	=31N	+46B	+44N	+13B	6.5	39.0	41.5	28.00	1826	+55.0
9	Potynski, Hubert	1613	POL	−83B	+63N	+62B	=14B	+21N	−13B	+22N	+17B	+15N	6.5	39.0	41.0	30.75	1840	+35.6
10	Janik, Grzegorz	1667	POL	+63B	=15N	−1B	+56N	=16B	+23N	+55B	+24N	−2B	6.0	43.0	46.5	26.00	1726	+12.4
11	Karas, Kacper	1697	POL	+67N	+19B	+16N	−5B	−50N	+36B	=33N	=25B	+20N	6.0	40.5	44.0	28.75	1758	+16.0
12	Staruch, Stanislaw	1715	POL	−49N	+34B	+57N	−6B	+59N	+26B	+50N	+20B	−4N	6.0	39.5	43.0	25.50	1714	-2.0
13	Staszewski, Krzysztof	1715	POL	=45B	+69N	+27B	−22N	+55B	+9N	+14B	−7B	−8N	5.5	42.5	45.5	25.50	1634	-15.2
14	Awramiuk, Ignacy	1712	POL	+72B	−22N	+15B	=9N	+28B	=44N	−13N	+36B	=19N	5.5	41.5	44.5	26.00	1657	-21.2
15	Blankiewicz, Dominik	0	POL	+?B	=10B	−14N	=27N	+30B	+43N	=44B	+54N	−9B	5.5	40.0	40.0	20.50	1691	0.0
16	Borkowski, Jan	1604	POL	+85B	+73N	−11B	=43B	=10N	+18B	−4N	=55N	+31B	5.5	39.5	41.5	21.75	1727	+43.6
17	Kulesza, Anita	1671	POL	+66B	−24N	−45B	+84N	+29B	+48N	=6B	−9N	+61B	5.5	38.0	40.0	21.25	1635	-16.0
18	Konopka, Tymon	1677	POL	+56B	−8N	+47B	+48N	−24B	−16N	+45B	=61N	+55B	5.5	36.0	39.5	20.75	1597	-32.8
19	Knotek, Wiktor	1593	POL	+79B	−11N	+83B	−75N	=45B	=72N	+47B	+43N	=14B	5.5	32.0	34.0	18.75	1618	+5.2
20	Trzmiel, Bartosz	1727	POL	+47B	+30N	+4B	+24N	+3B	−2N	−5B	−12N	−11B	5.0	49.5	53.5	28.00	1706	-5.0
21	Krawczyk, Marcin	1702	POL	+41B	+39N	=22B	−1N	−9B	+59N	+40B	−4B	=27N	5.0	45.0	48.5	22.00	1654	-12.0
22	Spoczynski, Marcin	1616	POL	+58N	+14B	=21N	+13B	−1B	−35N	−9B	=23N	+45B	5.0	44.0	47.5	23.50	1680	+14.0
23	Podzorski, Pawel	1788	POL	+61N	+33B	+43N	−3B	−4N	−10B	=56N	=22B	+34N	5.0	41.5	45.0	20.75	1647	-31.0
24	Kumik, Michal	1560	POL	+90N	+17B	+46N	−20B	+18N	+50B	−3N	−10B	F	5.0	41.5	41.5	19.00	1739	+68.0
25	Kobierecki, Szymon	1626	POL	+70B	−5N	=56B	+69N	+73B	−7B	+34N	=11N	−26B	5.0	38.0	41.0	18.25	1595	-17.2
26	Oles, Jan	1621	POL	+80B	=1N	=31B	−55N	+47B	−12N	+72B	F	+25N	5.0	38.0	40.5	20.75	1761	+23.4
27	Mueck, Piotr	1628	POL	+76N	=46B	−13N	=15B	=49N	−34B	+59B	+64N	=21B	5.0	35.5	38.5	19.25	1601	-4.8
28	Prazmowski, Wlodzimierz	1628	POL	=69B	=45N	=38B	+34N	−14N	−32B	+57N	=63B	+47B	5.0	34.0	37.0	19.50	1563	-13.0
29	Sosnowski, Michal	1579	POL	−55N	+32B	=68N	=76B	−17N	−60B	+77N	+65B	+43N	5.0	30.5	33.0	17.50	1548	-3.0
30	Gorzelinski, Jan	1624	POL	+91N	−20B	−58N	+74B	−15N	−56B	+84N	+71B	+49N	5.0	29.5	29.5	12.00	1650	+3.2
31	Domoradzki, Tomasz	1670	POL	=34N	+55B	=26N	+36B	−6N	=8B	−32N	+37B	−16N	4.5	41.5	45.0	20.50	1511	-34.8
32	Siwinski, Mateusz	1422	POL	−4B	−29N	=72B	+64N	+38B	+28N	+31B	F	−6N	4.5	40.5	43.5	19.00	1629	+43.2
33	Czarnota, Pawel	1633	POL	+77B	−23N	+53B	+45N	+75B	−5N	=11B	−6N	F	4.5	40.0	42.5	16.50	1652	+3.8
34	Renault, Leon	1460	POL	=31B	−12N	+64B	−28B	+57N	+27N	−25B	+40N	−23B	4.5	38.5	42.0	18.75	1642	+82.8
35	Mandimutsira, Craig	1654	ZIM	+86B	+62N	F	=8B	+46N	+22B	−7N	F	—	4.5	36.5	38.5	17.75	1773	+16.4
36	Kwiek, Janusz	1586	POL	+89B	−43N	+79B	−31N	+51B	−11N	+58B	−14N	=41B	4.5	34.5	35.5	13.25	1285	-31.0
37	Debek, Radoslaw	1540	POL	−5B	−77N	−69B	+70N	+81B	=63N	+38B	−31N	+56B	4.5	31.0	33.5	15.25	1607	+22.0
38	Sych, Oleh	1491	UKR	−43B	+89N	=28N	−46B	−32N	+86B	−37N	+59B	+71N	4.5	30.5	31.5	12.00	1511	+6.0
39	Michalak, Leon	1609	POL	+65N	−21B	−51N	+60B	−76N	=62B	=68N	+70B	=63N	4.5	29.0	32.0	15.00	1528	-12.4
40	Jaworski, Pawel	1618	POL	−62N	=71B	−76N	+79N	+66B	+68B	−21N	−34B	+57N	4.5	29.0	31.5	14.00	1530	-11.2
41	Michalak, Michal	1503	POL	−21N	−65B	−60N	+90B	+88N	−78B	+83N	+68B	=36N	4.5	25.0	25.0	8.25	1294	-30.8
42	Sabat, Anna	1690	POL	F	=66N	F	F	+77B	+69N	F	+62B	+64N	4.5	16.0	16.0	14.25	1696	+0.4
43	Szuszkiewicz, Stanislaw	1681	POL	+38N	+36B	−23B	=16N	=8N	−15B	+71N	−19B	−29B	4.0	42.0	45.0	18.00	1587	-40.0
44	Perz, Ignacy	1645	POL	+81B	+83N	−2B	F	=7N	=14B	=15N	−8B	=46N	4.0	41.5	43.5	15.25	1600	-14.8
45	Borys, Stanislaw	1520	POL	=13N	=28B	+17N	−33B	=19N	=61B	−18N	+78B	−22N	4.0	40.0	42.5	17.75	1549	+9.6
46	Jaroszuk, Marcin	1746	POL	+64B	=27N	−24B	+38N	−35B	F	−8N	+56N	=44B	4.0	36.5	39.5	16.00	1571	-36.0
47	Stachera, Tomasz	1533	POL	−20N	+80B	−18N	+89B	−26N	+65B	−19N	+60B	−28N	4.0	35.5	36.5	10.50	1335	-56.0
48	Kopec, Adam	1604	POL	+51N	−3B	+65N	−18B	+58N	−17B	+78N	F	—	4.0	34.0	36.5	13.50	881	-45.2
49	Zanko, Vital	1519	POL	+12B	−75N	−50B	+77N	=27B	=73N	F	+51N	−30B	4.0	32.5	32.5	16.50	1543	+4.2
50	Chlebicki, Tymon	1641	POL	+60N	−7B	+49N	+51B	+11B	−24N	−12B	—	—	4.0	31.5	35.0	17.50	1614	-8.0
51	Hoffman, Grzegorz	0	POL	−48B	+84N	+39B	−50N	−36N	−82B	+67N	−49B	+70N	4.0	30.0	32.0	13.00	1477	0.0
52	Chojnacki, Grzegorz	1540	POL	−7N	+60B	+78N	F	F	−58B	−70N	+77B	+85N	4.0	27.5	27.5	10.50	1598	+4.0
53	Celinski, Marian	1510	POL	−73B	+85N	−33N	−78B	−60N	+88B	−65N	+83B	+68N	4.0	24.0	25.0	8.00	785	-24.0
54	Rzeszotarski, Dariusz	1660	POL	+74N	F	F	+67B	=61N	=71B	+60N	−15B	—	4.0	22.0	22.0	13.25	1718	+13.6
55	Muza, Yevhen	0	UKR	+29B	−31N	+82B	+26B	−13N	F	−10N	=16B	−18N	3.5	40.0	42.5	15.25	1598	0.0
56	Chmielewski, Ziemowit	1483	POL	−18N	+90B	=25N	−10B	=62N	+30N	=23B	−46B	−37N	3.5	38.5	38.5	11.75	1511	+6.4
57	Rutkowski, Jakub	1534	POL	−1B	+70N	−12B	=66N	−34B	+79N	−28B	+58N	−40B	3.5	38.0	40.5	10.75	1203	-41.2
58	Krzyzaniak, Krzysztof	0	POL	−22B	+72N	+30B	−4N	−48B	+52N	−36N	−57B	=67N	3.5	36.5	39.5	13.75	1496	0.0
59	Oledzki, Przemyslaw	1530	POL	−2B	+88N	=73B	+68N	−12B	−21B	−27N	−38N	+79B	3.5	36.0	37.0	8.00	1260	-59.2
60	Przybysz, Stanislaw	1412	POL	−50B	−52N	+41B	−39N	+53B	+29N	−54B	−47N	=80B	3.5	34.0	36.5	14.75	1486	+26.8
61	Zajac, Krzysztof	1555	POL	−23B	=81N	=66B	+63N	=54B	=45N	F	=18B	−17N	3.5	34.0	36.5	13.25	1540	-9.6
62	Jezynski, Krzysztof	0	POL	+40B	−35B	−9N	=82N	=56B	=39N	−64B	−42N	+86N	3.5	34.0	36.0	11.75	1497	0.0
63	Zajkowski, Maciej	1459	POL	−10N	−9B	+90N	−61B	+89N	=37B	F	=28N	=39B	3.5	33.5	33.5	8.00	1409	-8.6
64	Krol, Karol	1540	POL	−46N	=76B	−34N	−32B	+85N	+66B	+62N	−27B	−42B	3.5	32.5	34.5	10.50	1296	-72.0
65	Protaziuk, Olga	0	POL	−39B	+41N	−48B	F	+74N	−47N	+53B	−29N	=66B	3.5	32.5	32.5	13.25	1487	0.0
66	Maliszewski, Jerzy	1464	POL	−17N	=42B	=61N	=57B	−40N	−64N	=85B	+88B	=65N	3.5	30.5	31.5	9.50	1410	-7.8
67	Szymko, Lucas	1499	POL	−11B	−79N	+70B	−54N	−68B	+80N	−51B	+69N	=58B	3.5	29.0	31.5	10.25	874	-20.8
68	Perz, Adam	0	POL	+82B	−4N	=29B	−59B	+67N	−40N	=39B	−41N	−53B	3.0	36.5	39.0	10.75	1438	0.0
69	Bulawko, Tomasz	0	POL	=28N	−13B	+37N	−25B	−71N	−42B	+86N	−67B	=78N	3.0	33.5	35.5	10.25	1431	0.0
70	Dudar, Jan	0	POL	−25N	−57B	−67N	−37B	+90N	+74B	+52B	−39N	−51B	3.0	32.0	32.0	7.00	1390	0.0
71	Stasiak, Ignacy	1478	POL	−75B	=40N	+81B	−73N	+69B	=54N	−43B	−30N	−38B	3.0	31.0	33.5	9.75	1416	-25.2
72	Sedek, Lukasz	1515	POL	−14N	−58B	=32N	+85B	+78N	=19B	−26N	—	—	3.0	26.5	28.5	9.50	1393	-12.6
73	Wlaz, Wiktor	1709	POL	+53N	−16B	=59N	+71B	−25N	=49B	F	—	—	3.0	25.5	28.5	10.75	1547	-25.2
74	Kinczyk, Maciej	1453	POL	−54B	−82N	+88B	−30N	−65B	−70N	+79B	−80N	+83N	3.0	25.0	26.0	5.50	825	-33.2
75	Chudyk, Mateusz	1675	POL	+71N	+49B	−7N	+19B	−33N	F	—	—	—	3.0	24.0	27.0	12.50	1672	0.0
76	Czapski, Maksymilian	0	POL	−27B	=64N	+40B	=29N	+39B	F	—	—	—	3.0	23.0	26.5	13.25	1614	0.0
77	Tomczyk, Ryszard	0	POL	−33N	+37B	−6N	−49B	−42N	+89B	−29B	−52N	=81B	2.5	35.5	36.5	6.75	1318	0.0
78	Wernik, Zbigniew	0	POL	−8N	F	−52B	+53N	−72B	+41N	−48B	−45N	=69B	2.5	33.0	33.0	10.00	1379	0.0
79	FIDE 91195438	0	—	−19N	+67B	−36N	−40B	=86N	−57B	−74N	+89B	−59N	2.5	30.0	31.0	5.50	1276	0.0
80	Grad, Krzysztof	0	POL	−26N	−47N	−84B	F	F	−67B	+89N	+74B	=60N	2.5	23.5	23.5	5.75	1307	0.0
81	Mularz, Damian	1417	POL	−44N	=61B	−71N	=86B	−37N	−83B	−88N	+90B	=77N	2.5	22.5	22.5	4.00	1284	-31.6
82	Jarmolowski, Tadeusz	1586	POL	−68N	+74B	−55N	=62B	F	+51N	F	—	—	2.5	20.5	20.5	8.75	2253	+6.4
83	Skibinski, Marian	0	POL	+9N	−44B	−19N	F	−84B	+81N	−41B	−53N	−74B	2.0	32.0	32.0	9.00	1335	0.0
84	Kopec, Jaroslaw	1493	POL	−3N	−51B	+80N	−17B	+83N	F	−30B	F	—	2.0	28.0	28.0	4.50	865	-33.2
85	FIDE 1186523	0	—	−16N	−53B	=86N	−72N	−64B	+90B	=66N	F	−52B	2.0	27.5	27.5	2.75	1205	0.0
86	Wroblewski, Rafal	1430	POL	−35N	F	=85B	=81N	=79B	−38N	−69B	=87N	−62B	2.0	24.0	24.0	4.25	1312	-18.8
87	Kowalski, Artur	1459	POL	F	F	F	F	F	F	+90N	=86B	—	1.5	4.5	4.5	1.00	1403	-1.6
88	Kaczkowski, Jaroslaw	0	POL	−6N	−59B	−74N	F	−41B	−53N	+81B	−66N	−89B	1.0	28.5	28.5	2.50	1190	0.0
89	FIDE 91107814	0	—	−36N	−38B	F	−47N	−63B	−77N	−80B	−79N	+88N	1.0	25.0	25.0	1.00	720	0.0
90	Khamrakulov, Iskandar	0	UZB	−24B	−56N	−63B	−41N	−70B	−85N	−87B	−81N	F	0.0	25.5	25.5	0.00	682	0.0
91	Grabarczyk, Jan	0	POL	−30B	—	—	—	—	—	—	—	—	0.0	0.0	5.0	0.00	830	0.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Hurskyi, YanPOL
+98.4
8.0 pts · #1
2Was, StanislawPOL
+85.2
7.0 pts · #3
3Renault, LeonPOL
+82.8
4.5 pts · #22

Top rating losers

1Krol, KarolPOL
-72.0
3.5 pts · #70
2Oledzki, PrzemyslawPOL
-59.2
3.5 pts · #80
3Stachera, TomaszPOL
-56.0
4.0 pts · #76

Biggest upsets

R7+248 Elo gap
Siwinski, Mateusz1422 beat Domoradzki, Tomasz1670
R6+206 Elo gap
Siwinski, Mateusz1422 beat Prazmowski, Wlodzimierz1628
R1+196 Elo gap
Zanko, Vital1519 beat Staruch, Stanislaw1715