Ostravsky konik 2025 - FIDE open B

Open SwissStandard

105 players participated in this 9-round tournament, held from 10 May 2025 to 18 May 2025 in Ostrava, Czech Republic. 2 titled players from 6 federations. Top 10 Elo average was 1950, and top seed was Pavel Keprt (🇨🇿 CZE, 1986).

Alex Macosek (🇨🇿 CZE, 1837) won with 8.0/9, ahead of Jiri Brousek (7.0) and Jaroslav Cempel (6.5). Macosek won solo starting round 7.

The biggest upset came in round 4: Ondrej Cernik (1462) beat Borivoj Novak (1751), a +289-point gap.

Location

🇨🇿Ostrava, Czech Republic

Dates

10 May 2025 → 18 May 2025

Time control

Standard: 90min/40moves+30min/end+30sec increment per move starting from move 1

System

Swiss · 9 rounds

Top seed

🇨🇿Pavel Keprt1986

Avg top 10

1,950

Participants

105

Titled players · 2

FM×1

WCM×1

Federations · 6 represented

🇨🇿Czech Republic×95

🇵🇱Poland×6

🇸🇰Slovakia×1

🇺🇦Ukraine×1

🇸🇮Slovenia×1

🇮🇳India×1

Top 3

🥇
Alex Macosek
🇨🇿CZE·1837
8.0pts·2209perf+150.8
🥈
Jiri Brousek
🇨🇿CZE·1889
7.0pts·2058perf+37.4
🥉
FMJaroslav Cempel
🇨🇿CZE·1890
6.5pts·2007perf+28.6

How it unfolded

Top 6 · 9 rounds

Alex Macosek led from R4; +1.0-point edge over the runner-up.

Co-leaders

Macosek8Brousek7Horkova6.5Samu6.5Cap6.5Mrazek6.5

R4–R9 · LEAD HELD

Alex Macosek never relinquished the lead after R4; final gap +1.0 over the runner-up.

R6 · HEAD-TO-HEAD · WINNER VS 2ND

Alex Macosek lost to Jiri Brousek (Black).

WIN STREAKS · 3 top finishers

Alex Macosek 5+3 wins (R1–R5, R7–R9)Jiri Brousek 3 wins (R4–R6)Tereza Horkova 3 wins (R4–R6)

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1Alex Macosek	*	0	1	—
2Jiri Brousek	1	*	—	—
3Tereza Horkova	0	—	*	—
4Pavel Samu	—	—	—	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	R6	R7	R8	R9	Pts	Bu C1	Bu	SB	Perf	Δ
1	Macosek, Alex	1837	CZE	+91B	+19N	+13B	+14N	+82B	−2N	+4B	+9N	+6B	8.0	46.0	49.0	42.00	2209	+150.8
2	Brousek, Jiri	1889	CZE	+52N	=15B	=59N	+92B	+8N	+1B	=13B	=17N	+10B	7.0	45.5	48.5	38.25	2058	+37.4
3	Cempel, JaroslavFM	1890	CZE	+21B	+22N	+4B	=82N	=9B	−13N	+23B	=20N	+16B	6.5	45.5	49.0	36.00	2007	+28.6
4	Horkova, Tereza	1801	CZE	+85B	+50N	−3N	+38B	+83N	+44B	−1N	=5B	+14N	6.5	43.5	46.5	28.75	2003	+98.4
5	Mrazek, Roman	1854	CZE	−44N	+84B	=21N	+63B	+62N	+11B	=9B	=4N	+17B	6.5	42.0	45.0	31.50	1917	+15.8
6	Cap, Simon	1854	CZE	+68B	+48N	−82B	=45N	+78B	+59N	+16B	+13N	−1N	6.5	39.5	43.0	29.25	1991	+33.2
7	Samu, Pavel	1904	CZE	=61B	+60N	+30B	−15N	=22B	+75N	=35B	+45N	+20B	6.5	39.0	42.5	29.75	1963	+13.8
8	Chrostek, Lukas	1868	CZE	+63B	=78N	=45B	+67N	−2B	=60N	+42B	+44N	+13B	6.5	38.5	42.0	29.00	1946	+19.4
9	Olejnik, Artur	1648	POL	=87N	+40B	+24N	+28B	=3N	+15B	=5N	−1B	=31N	6.0	47.0	50.0	31.50	1968	+149.2
10	Mikulencak, Jan	1840	CZE	=64B	=65N	+90B	+19B	=16N	=31N	+18B	+26B	−2N	6.0	42.0	45.0	28.75	1982	+34.4
11	Palka, Miroslav	1834	SVK	+101N	=49B	−14N	+21B	+33B	−5N	=59B	+56N	+27B	6.0	40.5	42.5	26.25	1935	+24.0
12	Blecha, Zdenek	1889	CZE	+86B	=75N	+78B	=44N	−13B	+30N	=45B	=27N	+28B	6.0	36.5	39.5	25.25	1909	+4.6
13	Schoupal, Patrik	1946	CZE	+56N	+46B	−1N	+34B	+12N	+3B	=2N	−6B	−8N	5.5	50.0	54.5	30.00	1927	-4.2
14	Vancakova, Veronika	1916	CZE	+57B	=30N	+11B	−1B	=46N	+22N	=20B	+35N	−4B	5.5	46.0	50.5	28.50	1899	-8.4
15	Brozynski, Adam	1807	POL	+93B	=2N	+31B	+7B	=32N	−9N	−17B	+37N	=18N	5.5	45.5	48.5	28.25	1897	+22.6
16	Vysoglad, Petr	1971	CZE	=29B	+77N	=37B	+35N	=10B	+32B	−6N	+24B	−3N	5.5	44.5	48.0	27.00	1893	-16.6
17	Petkovsky, Patrik	1921	CZE	=62N	+53B	=44N	=46B	=28N	+34B	+15N	=2B	−5N	5.5	42.5	46.5	27.50	1887	-7.8
18	Kvicala, Miroslav	1952	CZE	=60B	=61N	+57B	=22N	=23B	+28B	−10N	+30N	=15B	5.5	41.0	45.0	26.75	1880	-16.0
19	Keprt, Pavel	1986	CZE	+66N	−1B	+36B	−10N	−60B	+55N	+77B	=34N	+46B	5.5	41.0	44.5	24.00	1868	-25.6
20	Blecha, Josef	1849	CZE	+89N	−44B	+52N	=27B	+76N	+29B	=14N	=3B	−7N	5.5	41.0	44.0	24.50	1864	+4.6
21	Vanek, Martin	1737	CZE	−3N	+98B	=5B	−11N	=73N	+81B	=41N	+75B	+50B	5.5	39.5	42.0	21.75	1884	+73.2
22	Cubok, Milan	1815	CZE	+88N	−3B	+100N	=18B	=7N	−14B	+99N	+54B	=26N	5.5	39.0	41.0	20.25	1912	+24.0
23	Hromada, Jan	1830	CZE	−48B	+91N	+65B	=83B	=18N	+49B	−3N	+47N	=25B	5.5	38.0	41.0	23.00	1910	+20.0
24	Vizner, Jaroslav	1864	CZE	+90B	=36N	−9B	=60N	+52B	=47N	+78B	−16N	+45B	5.5	37.5	40.5	22.25	1836	-5.6
25	Kudla, Martin	1911	CZE	=70N	+62B	−28N	−29B	+72N	=76B	+71N	+59B	=23N	5.5	35.5	39.0	22.50	1833	-16.8
26	Jurecek, Daniel	1861	CZE	=47B	−45N	+86B	=99N	+88B	+85N	+32B	−10N	=22B	5.5	34.5	36.5	20.00	1801	-13.0
27	Skorupa, Tobias	1677	CZE	=28B	=58N	+74B	=20N	=37B	=33N	+50B	=12B	−11N	5.0	41.5	45.5	24.00	1895	+103.2
28	Striz, Tadeas	1827	CZE	=27N	+105B	+25B	−9N	=17B	−18N	+86B	+32N	−12N	5.0	41.5	42.0	19.25	1831	+2.0
29	Moczala, Maja	1771	POL	=16N	=83B	=33B	+25N	+50B	−20N	=37B	=39N	=35B	5.0	41.0	44.0	24.25	1939	+79.6
30	Repak, Jan	1824	CZE	+98N	=14B	−7N	=36B	+51N	−12B	+62N	−18B	+59N	5.0	41.0	43.5	20.25	1845	+5.0
31	Pavlicek, Petr	1899	CZE	=69N	+70B	−15N	+53B	+42N	=10B	=44N	F	=9B	5.0	40.0	44.0	23.75	1856	-9.2
32	Muron, Martin	1643	CZE	+74B	=33N	+102B	+39N	=15B	−16N	−26N	−28B	+75N	5.0	39.0	41.0	19.75	1905	+118.4
33	Janecek, Miroslav	1954	CZE	=53N	=32B	=29N	+77B	−11N	=27B	=66N	+60B	=41N	5.0	38.5	42.0	21.75	1803	-34.4
34	Stehlik, Jiri	1825	CZE	+94B	−82N	+64B	−13N	+67B	−17N	+36B	=19B	=43N	5.0	38.0	41.0	21.25	1870	+10.6
35	Gresek, Oskar	1839	CZE	+96N	=51B	=49N	−16B	+100N	+71B	=7N	−14B	=29N	5.0	38.0	40.0	18.75	1858	+9.6
36	Petrov, Nikolaj	1712	CZE	+41N	=24B	−19N	=30N	−75B	+87B	−34N	+74N	+73B	5.0	37.5	40.5	21.25	1888	+41.6
37	Neduchal, Jiri	1850	CZE	+103N	=59B	=16N	=76B	=27N	=46B	=29N	−15B	+62N	5.0	37.0	38.0	18.75	1823	-7.4
38	Lipovsky, Tomas	1872	CZE	=45B	+47N	=75B	−4N	=55B	=77N	−56B	+86N	+44B	5.0	36.0	39.0	20.00	1798	-18.8
39	Briza, Jiri	1871	CZE	=80N	+99B	+51N	−32B	−59N	=62B	+53N	=29B	=42B	5.0	35.5	37.5	19.75	1780	-22.0
40	Reichel, Tomas	1796	CZE	=79B	−9N	−47B	+68N	=63N	+100B	=48B	=65N	+61B	5.0	34.5	36.5	18.00	1732	-30.8
41	Tylecek, Drahomir	1844	CZE	−36B	=68N	−99B	+103N	=61B	+63N	=21B	+52N	=33B	5.0	34.0	35.0	18.75	1795	-12.4
42	Sysala, Stanislav	1815	CZE	−51N	=103B	+80N	+84N	−31B	+83B	−8N	+76B	=39N	5.0	34.0	35.0	16.00	1824	+1.8
43	Brzezny, Petr	1882	CZE	=99N	=69B	+61N	F	=45B	−78N	+84B	+55N	=34B	5.0	30.5	30.5	19.25	1835	-9.8
44	Zyla, Pawel	1724	POL	+5B	+20N	=17B	=12B	+49N	−4N	=31B	−8B	−38N	4.5	46.5	51.0	24.75	1875	+35.8
45	Bala, Matej	1731	CZE	=38N	+26B	=8N	=6B	=43N	+54B	=12N	−7B	−24N	4.5	46.5	51.0	24.50	1871	+68.0
46	Halamicek, Radek	1817	CZE	+97B	−13N	+48B	=17N	=14B	=37N	+60B	F	−19N	4.5	40.5	43.0	19.00	1885	+15.4
47	Lackova, Lucie	1727	CZE	=26N	−38B	+40N	=54B	+87N	=24B	=49N	−23B	=58N	4.5	40.0	43.0	20.25	1845	+58.0
48	Pragadesh P	1683	IND	+23N	−6B	−46N	=61B	=66N	+92B	=40N	=58B	=54N	4.5	38.5	41.5	19.50	1807	+30.6
49	Tvrdy, Petr	1923	CZE	+55B	=11N	=35B	+75N	−44B	−23N	=47B	+57N	F	4.5	38.0	38.0	20.25	1826	-19.8
50	Pakina, Varvara	1865	UKR	+76N	−4B	+69N	=59B	−29N	+95B	−27N	+66B	−21N	4.5	37.5	40.0	16.00	1719	-33.0
51	Fremr, Tomas	1644	CZE	+42B	=35N	−39B	=58N	−30B	−61N	+63B	+77N	=56B	4.5	37.0	40.5	19.50	1793	+35.4
52	Genserovsky, Milan	1735	CZE	−2B	+85N	−20B	+97N	−24N	=72B	+83N	−41B	+81N	4.5	36.5	39.0	14.00	1766	+7.2
53	Safarik, Roman	1764	CZE	=33B	−17N	+68B	−31N	=84B	+67N	−39B	=64N	+79B	4.5	36.0	39.0	17.50	1760	-0.4
54	Maroszczyk, Wieslaw	1849	CZE	=65B	=64N	=63B	=47N	+99B	−45N	+61B	−22N	=48B	4.5	35.0	37.0	16.50	1731	-28.8
55	Krampol, Vladimir	1753	CZE	−49N	+96B	−83N	+89B	=38N	−19B	+95N	−43B	+80N	4.5	32.0	34.5	14.00	1804	+12.0
56	Navrat, Roman	1757	CZE	−13B	=93N	−88B	+105N	=104N	+64B	+38N	−11B	=51N	4.5	32.0	32.5	13.75	1720	-7.8
57	Novak, Borivoj	1751	CZE	−14N	+101B	−18N	−95B	=89N	+91B	+80N	−49B	+76N	4.5	31.0	33.0	13.50	1758	+2.4
58	Rychlik, Zdenek	1797	CZE	=84N	=27B	=104N	=51B	=95N	F	+85B	=48N	=47B	4.5	28.0	28.0	15.50	1653	-27.4
59	Osina, Jaromir	1780	CZE	+104B	=37N	=2B	=50N	+39B	−6B	=11N	−25N	−30B	4.0	44.5	45.5	17.25	1775	+1.6
60	Novotny, Stanislav	1764	CZE	=18N	−7B	+105N	=24B	+19N	=8B	−46N	−33N	=67B	4.0	43.0	43.5	16.75	1812	+11.4
61	Cyron, Karel	1739	CZE	=7N	=18B	−43B	=48N	=41N	+51B	−54N	+72B	−40N	4.0	40.5	44.5	19.25	1749	+2.4
62	Zidek, Damian	1752	CZE	=17B	−25N	+93B	+102N	−5B	=39N	−30B	+85N	−37B	4.0	38.5	40.5	13.25	1774	+12.0
63	Hrckova, AnnaWCM	1730	CZE	−8N	+81B	=54N	−5N	=40B	−41B	−51N	+104B	+83N	4.0	38.5	39.5	12.25	1724	+0.8
64	Volny, Jan	1711	CZE	=10N	=54B	−34N	−71B	+74B	−56N	+87N	=53B	=69N	4.0	36.5	39.5	16.50	1753	+20.8
65	Matlocha, Lubomir	1715	CZE	=54N	=10B	−23N	=66B	−77N	+89B	+70N	=40B	F	4.0	35.5	35.5	16.75	1790	+16.2
66	Gres, Michal	1775	CZE	−19B	+94N	−67B	=65N	=48B	+88N	=33B	−50N	=68B	4.0	34.5	37.5	14.75	1723	-12.8
67	Vrba, Zbynek	1638	CZE	=92N	=87B	+66N	−8B	−34N	−53B	+100N	=69B	=60N	4.0	34.0	36.0	13.00	1744	+25.2
68	Milicevic, David	1722	SLO	−6N	=41B	−53N	−40B	=96N	+97B	=81N	+95B	=66N	4.0	33.5	36.0	12.50	1680	-9.2
69	Peterek, Zbynek	1738	CZE	=31B	=43N	−50B	−85N	+93B	=84N	=79B	=67N	=64B	4.0	32.0	35.0	15.25	1666	-17.4
70	Rechtenberg, Karel	1747	CZE	=25B	−31N	−84B	+91N	=102B	=79N	−65B	=90N	+94B	4.0	30.0	32.0	13.00	1693	-12.4
71	Koci, Tomas	1768	CZE	−82B	−97N	+94B	+64N	+79B	−35N	−25B	F	+85N	4.0	30.0	30.0	13.50	1738	-6.4
72	Brejcha, Lukas	1575	CZE	F	−76B	+101N	+90N	−25B	=52N	=73B	−61N	+86B	4.0	29.5	29.5	12.25	1764	+77.2
73	Jaros, Bohumil	1843	CZE	=105N	=100B	−76N	=79N	=21B	=80B	=72N	+99B	−36N	4.0	29.0	29.5	11.50	1642	-46.8
74	Kratochvil, Milan	1805	CZE	−32N	+89B	−27N	−100B	−64N	+101B	+96N	−36B	+99N	4.0	28.5	30.5	9.50	1659	-70.8
75	Kovacs, Viliam	1803	CZE	+81N	=12B	=38N	−49B	+36N	−7B	=76N	−21N	−32B	3.5	41.0	44.5	15.75	1702	-24.6
76	Vala, Simon	1729	CZE	−50B	+72N	+73B	=37N	−20B	=25N	=75B	−42N	−57B	3.5	38.0	41.5	15.00	1727	-2.4
77	Szmek, Milan	1767	CZE	=83N	−16B	+103N	−33N	+65B	=38B	−19N	−51B	=96B	3.5	35.0	36.0	10.25	1756	-4.4
78	Figa, Karolina	1789	POL	+95N	=8B	−12N	+104B	−6N	+43B	−24N	F	F	3.5	33.0	33.0	11.75	1754	-6.8
79	Cechacek, Radim	1512	CZE	=40N	=92B	=87N	=73B	−71N	=70B	=69N	=83B	−53N	3.5	31.5	34.5	13.00	1718	+82.8
80	Ramian, Zdenek	1730	CZE	=39B	−102N	−42B	=93N	+97B	=73N	−57B	+84N	−55B	3.5	31.5	33.5	11.50	1678	-13.4
81	Jordan, Tobias	1632	CZE	−75B	−63N	=91B	=86N	+90B	−21N	=68B	+88N	−52B	3.5	30.5	33.5	11.00	1648	+6.8
82	Mrazek, Roman	1969	CZE	+71N	+34B	+6N	=3B	−1N	F	F	F	F	3.5	30.0	30.0	18.75	1984	+2.0
83	Chliapas, Nikos	1958	CZE	=77B	=29N	+55B	=23N	−4B	−42N	−52B	=79N	−63B	3.0	38.5	42.0	13.25	1626	-76.2
84	Mazurek, Richard	1615	CZE	=58B	−5N	+70N	−42B	=53N	=69B	−43N	−80B	=98N	3.0	37.0	39.5	11.75	1653	+16.8
85	Glacner, Karel	1616	CZE	−4N	−52B	+96N	+69B	+92N	−26B	−58N	−62B	−71B	3.0	36.0	38.5	9.50	1649	+7.2
86	Nespor, Ivan	1733	CZE	−12N	=88B	−26N	=81B	+101N	+104B	−28N	−38B	−72N	3.0	34.0	35.0	6.25	1593	-33.0
87	Skockova, Katerina	1815	CZE	=9B	=67N	=79B	=88N	−47B	−36N	−64B	=89N	=93B	3.0	33.0	36.0	11.25	1537	-65.8
88	Pavlas, Jaroslav	1653	CZE	−22B	=86N	+56N	=87B	−26N	−66B	=92N	−81B	=89N	3.0	32.0	35.0	10.50	1642	-3.0
89	Vlcek, Antonin	1712	CZE	−20B	−74N	+98B	−55N	=57B	−65N	=94N	=87B	=88B	3.0	31.5	34.0	9.25	1618	-22.6
90	Nisztuk, Michal	1729	POL	−24N	+95B	−10N	−72B	−81N	=94B	+104N	=70B	F	3.0	31.5	32.5	7.00	1570	-34.0
91	Barcik, Peter	1709	CZE	−1N	−23B	=81N	−70B	+103B	−57N	+101N	=92B	F	3.0	31.5	31.5	6.25	1664	-11.0
92	Chvatal, Jaroslav	1804	CZE	=67B	=79N	+97B	−2N	−85B	−48N	=88B	=91N	F	3.0	31.0	33.5	9.25	1584	-95.2
93	Hornik, Marek	1644	CZE	−15N	=56B	−62N	=80B	−69N	−96B	=98N	+103B	=87N	3.0	29.5	30.5	7.75	1619	-10.8
94	Plesnik, Vladimir	1676	CZE	−34N	−66B	−71N	=96B	=98N	=90N	=89B	+100B	−70N	3.0	28.0	30.0	7.50	1616	-14.0
95	Cernik, Ondrej	1462	CZE	−78B	−90N	F	+57N	=58B	−50N	−55B	−68N	+97B	2.5	31.0	31.0	9.25	1618	+50.4
96	Cech, Jaroslav	1710	CZE	−35B	−55N	−85B	=94N	=68B	+93N	−74B	F	=77N	2.5	30.0	32.0	8.25	1587	-26.2
97	Dubovy, Marek	1666	CZE	−46N	+71B	−92N	−52B	−80N	−68N	+103B	=98B	−95N	2.5	28.5	29.5	6.25	1548	-27.6
98	Jordan, Mathias	1672	CZE	−30B	−21N	−89N	−101B	=94B	=103N	=93B	=97N	=84B	2.5	27.0	28.0	6.25	1532	-67.2
99	Jancalek, Jan	1731	CZE	=43B	−39N	+41N	=26B	−54N	F	−22B	−73N	−74B	2.0	38.5	40.5	10.25	1653	-15.0
100	Vyvial, Vaclav	1728	CZE	=102B	=73N	−22B	+74N	−35B	−40N	−67B	−94N	F	2.0	32.5	32.5	7.00	1591	-27.6
101	Vrba, Jan	1693	CZE	−11B	−57N	−72B	+98N	−86B	−74N	−91B	F	+103N	2.0	28.0	28.0	3.50	1531	-66.4
102	Lizner, Milan	1862	CZE	=100N	+80B	−32N	−62B	=70N	F	F	F	F	2.0	23.0	23.0	6.50	1648	-29.0
103	Zygma, Jiri	1716	CZE	−37B	=42N	−77B	−41B	−91N	=98B	−97N	−93N	−101B	1.0	29.5	31.5	3.75	1389	-128.4
104	Dobsinsky, Petr	1461	CZE	−59N	F	=58B	−78N	=56B	−86N	−90B	−63N	F	1.0	26.5	26.5	4.50	1450	-1.0
105	Jurcek, Adrian	1712	CZE	=73B	−28N	−60B	−56B	F	F	F	F	F	0.5	17.5	17.5	2.00	1476	-41.2

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Macosek, AlexCZE
+150.8
8.0 pts · #1
2Olejnik, ArturPOL
+149.2
6.0 pts · #10
3Muron, MartinCZE
+118.4
5.0 pts · #32

Top rating losers

1Zygma, JiriCZE
-128.4
1.0 pts · #104
2Chvatal, JaroslavCZE
-95.2
3.0 pts · #91
3Chliapas, NikosCZE
-76.2
3.0 pts · #87

Biggest upsets

R4+289 Elo gap
Cernik, Ondrej1462 beat Novak, Borivoj1751
R4+228 Elo gap
Muron, Martin1643 beat Briza, Jiri1871
R9+228 Elo gap
WCMHrckova, Anna1730 beat Chliapas, Nikos1958