Ostravsky konik 2026 A

SwissStandard

55 players participated in this 9-round tournament, held from 02 May 2026 to 10 May 2026 in Ostrava, Czech Republic. 23 titled players from 8 federations. Top 10 Elo average was 2391, and top seed was Anton Korobov (🇺🇦 UKR, GM, 2612).

Anton Korobov (🇺🇦 UKR, GM, 2612) won with 7.0/9, ahead of Mieszko Mis (7.0) and Md Imran (6.5). Korobov shared the lead from round 1, winning on tie-break.

The biggest upset came in round 1: Jachym Hrbek (2004) beat Bruno Terkiewicz (CM, 2323), a +319-point gap.

Location

🇨🇿Ostrava, Czech Republic

Dates

02 May 2026 → 10 May 2026

Time control

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

System

Swiss · 9 rounds

Top seed

🇺🇦GMAnton Korobov2612

Avg top 10

2,391

Participants

Titled players · 23

GM×1

IM×9

FM×7

CM×4

WIM×1

WCM×1

Federations · 8 represented

🇨🇿Czech Republic×36

🇵🇱Poland×8

🇺🇸United States of America×2

🇺🇦Ukraine×2

🇮🇪Ireland×1

🇮🇳India×1

🇪🇸Spain×1

🇩🇪Germany×1

Top 3

🥇
GMAnton Korobov
🇺🇦UKR·2612
7.0pts·2555perf-3.8
🥈
IMMieszko Mis
🇵🇱POL·2381
7.0pts·2449perf+9.5
🥉
IMMd Imran
🇮🇳IND·2462
6.5pts·2462perf+2.2

How it unfolded

Top 6 · 9 rounds

Tight race until R9; 2 players tied at 7.0/9, decided on Buchholz.

Co-leaders

Mis7Korobov7Llaneza Vega6.5Imran6.5Terkiewicz6.5Chylewski6

R9 · TIEBREAK CLUSTER

2 players finish on 7.0/9. Korobov takes the title on Buchholz Cut1 (47.5).

R4 · HEAD-TO-HEAD · WINNER VS 2ND

IM Mieszko Mis lost to GM Anton Korobov (Black).

WIN STREAKS · 3 top finishers

IM Mieszko Mis 3 wins (R1–R3)GM Anton Korobov 4 wins (R1–R4)IM Marcos Llaneza Vega 3 wins (R6–R8)

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1IMMieszko Mis	*	0	1	—
2GMAnton Korobov	1	*	1	½
3IMMarcos Llaneza Vega	0	0	*	—
4IMMd Imran	—	½	—	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	R6	R7	R8	R9	Pts	Bu C1	Bu	SB	Perf	Δ
1	Korobov, AntonGM	2612	UKR	+20N	+55B	+4N	+2B	=16N	=11B	=3N	+9B	=7N	7.0	47.5	48.5	37.00	2555	-3.8
2	Mis, MieszkoIM	2381	POL	+32N	+22B	+17N	−1N	+6B	=16B	=11N	+18B	+4B	7.0	44.5	48.5	36.25	2449	+9.5
3	Md ImranIM	2462	IND	+31B	+25N	=6B	=11N	=5B	+14N	=1B	=7N	+16B	6.5	46.0	50.0	34.50	2462	+2.2
4	Llaneza Vega, MarcosIM	2358	ESP	+41B	+27N	−1B	+30N	=12B	+29N	+5B	+11B	−2N	6.5	44.0	47.5	30.75	2366	+3.3
5	Terkiewicz, BrunoCM	2323	POL	−21B	+51N	+13N	+39B	=3N	+8B	−4N	+16B	+11N	6.5	43.0	45.0	30.75	2353	+12.6
6	Chylewski, PatrykIM	2304	POL	+38N	+18B	=3N	=9B	−2N	+13B	=12N	+25B	=8N	6.0	46.0	50.0	31.00	2341	+5.3
7	Mungunzul, Bat-ErdeneWIM	2327	MGL	+36N	=13B	+21N	+8B	−11N	+22B	=16N	=3B	=1B	6.0	44.5	48.5	31.00	2361	+10.4
8	Nemeth, ZalanFM	2247	IRL	+40N	+28B	=16B	−7N	+31B	−5N	+21B	+22N	=6B	6.0	41.0	44.5	26.50	2301	+14.4
9	Prokofiev, ValentynIM	2420	UKR	+46B	+30N	−11B	=6N	+33B	=12N	+36B	−1N	+17B	6.0	41.0	44.0	25.75	2289	-10.6
10	Fizer, MarekCM	2202	CZE	+24B	−17N	+45B	=29N	=21B	−36N	+46B	+28B	+18N	6.0	34.5	37.5	24.25	2140	-27.2
11	Vilimek, VitFM	2181	CZE	+42N	+54B	+9N	=3B	+7B	=1N	=2B	−4N	−5B	5.5	49.0	50.5	27.25	2388	+47.6
12	Mudrak, JosefFM	2146	CZE	=23N	=39B	+32N	+18B	=4N	=9B	=6B	=17N	=13N	5.5	42.5	46.0	27.50	2203	+13.6
13	Iwanczuk, Krzysztof	2082	POL	+47B	=7N	−5B	+48N	=19B	−6N	+49B	+23N	=12B	5.5	39.0	41.5	20.75	2197	+27.2
14	Plischki, SebastianIM	2288	GER	=29B	+34N	+19B	−16N	+27B	−3B	−18N	+39N	+22B	5.5	38.5	42.0	23.50	2219	-6.0
15	Mannion, Stephen RIM	2235	SCO	=34B	=29N	=31B	−21N	=23N	+35B	=20N	+32B	+25N	5.5	34.5	38.5	23.25	2094	-14.9
16	Zwardon, VojtechIM	2433	CZE	+45N	+37B	=8N	+14B	=1B	=2N	=7B	−5N	−3N	5.0	48.5	51.5	25.50	2354	-8.0
17	Mixakis, Evangelos	1953	GRE	+26N	+10B	−2B	−19N	=30B	+33N	+27B	=12B	−9N	5.0	42.5	46.5	23.75	2225	+59.4
18	Mydlar, Matej	2067	CZE	+48B	−6N	+49B	−12N	+44B	+19N	+14B	−2N	−10B	5.0	40.5	43.0	18.50	2194	+56.4
19	Rekuc, PatrykFM	2217	POL	+51N	=21B	−14N	+17B	=13N	−18B	−23N	+45N	+30B	5.0	37.0	39.0	19.00	2095	-27.8
20	Chlevistan, Jakub	2054	CZE	−1B	−44N	=51B	+34N	+48B	=39N	=15B	+24N	=29N	5.0	34.0	36.0	18.50	2097	+7.2
21	Hrbek, Jachym	2004	CZE	+5N	=19N	−7B	+15B	=10N	=26B	−8N	−29B	+49N	4.5	43.5	46.0	22.25	2178	+76.4
22	Dobrovolsky, LadislavIM	2096	CZE	+50B	−2N	+47B	=44N	+24B	−7N	+29B	−8B	−14N	4.5	39.0	41.5	15.50	2119	+2.1
23	Svoboda, Tobias	1962	CZE	=12B	=33N	−30B	+45N	=15B	=27N	+19B	−13B	=26N	4.5	38.5	41.5	20.00	2121	+73.6
24	Kopcova, LudmilaWCM	1983	CZE	−10N	=26B	+43N	+28B	−22N	+37B	−25N	−20B	+41N	4.5	36.5	40.0	17.75	2085	+24.4
25	Zadrapa, Radek	2136	CZE	+53N	−3B	=40N	+54B	−29B	+31N	+24B	−6N	−15B	4.5	35.5	37.0	13.25	2101	-9.4
26	Sigut, Ondrej	2146	CZE	−17B	=24N	+34B	−31N	+40B	=21N	=39B	=30N	=23B	4.5	34.0	37.5	18.00	1994	-72.0
27	Kubos, Rostislav	2062	CZE	+49N	−4B	=54N	+53B	−14N	=23B	−17N	=41B	+40N	4.5	32.5	34.0	12.25	2040	-6.8
28	Taus, Martin	2056	CZE	+35B	−8N	=48B	−24N	+50B	+44N	+30B	−10N	F	4.5	32.5	32.5	14.75	2076	+5.0
29	Werblinski, Wojciech	1997	POL	=14N	=15B	F	=10B	+25N	−4B	−22N	+21N	=20B	4.0	42.0	43.0	20.00	2172	+69.2
30	Sliwerski, Radoslaw	2086	POL	+43N	−9B	+23N	−4B	=17N	+32B	−28N	=26B	−19N	4.0	40.0	43.5	16.75	2077	-4.0
31	Zidek, VaclavCM	2050	CZE	−3N	+42B	=15N	+26B	−8N	−25B	=37N	−35B	+39N	4.0	38.5	42.0	16.25	2085	+6.2
32	Vesely, Martin	2031	CZE	−2B	+50N	−12B	+47N	=39B	−30N	+44B	−15N	=33B	4.0	35.5	38.0	12.25	2035	-0.4
33	Vrana, FrantisekFM	2075	CZE	=39N	=23B	=53N	+40B	−9N	−17B	=41N	=49B	=32N	4.0	32.5	34.0	13.25	1975	-12.7
34	Valenta, Vit VaclavFM	1987	CZE	=15N	−14B	−26N	−20B	=42N	−43B	+51B	+53N	+45B	4.0	32.5	34.0	11.00	2025	+7.8
35	Sulcova, Tereza Radmila	1902	CZE	−28N	−40B	F	+46N	−36B	−15N	+53B	+31N	+37B	4.0	30.0	30.0	12.50	2055	+31.6
36	Bjolek, Jan	2006	CZE	−7B	−47N	+52B	+49N	+35N	+10B	−9N	F	F	4.0	29.5	29.5	14.50	2139	+21.6
37	Haladaj, Adam	2124	POL	+52B	−16N	−44B	=50N	+53B	−24N	=31B	+46N	−35N	4.0	28.0	29.5	9.75	1979	-69.6
38	Policar, Martin	1999	CZE	−6B	−48N	−50B	+43B	−45N	=52N	=42B	+44N	+46B	4.0	27.0	29.0	12.25	1966	-17.6
39	Keprt, Pavel	1930	CZE	=33B	=12N	+41B	−5N	=32N	=20B	=26N	−14B	−31B	3.5	39.0	42.5	15.00	2045	+23.2
40	Vancakova, Veronika	1994	CZE	−8B	+35N	=25B	−33N	−26N	=41B	=43N	+48B	−27B	3.5	34.5	37.0	12.25	1970	-14.8
41	Fiala, Jan	2015	CZE	−4N	=43B	−39N	+51B	=54N	=40N	=33B	=27N	−24B	3.5	32.0	33.5	10.50	1949	-18.2
42	Skorupa, Tobias	1982	CZE	−11B	−31N	−46B	=52N	=34B	=48N	=38N	+47B	=44B	3.5	29.0	31.0	10.75	1924	-30.0
43	Thomas, Kenneth	1937	USA	−30B	=41N	−24B	−38N	=52B	+34N	=40B	+50N	F	3.5	28.0	28.0	11.00	1950	+2.2
44	Macosek, Alex	1980	CZE	−55N	+20B	+37N	=22B	−18N	−28B	−32N	−38B	=42N	3.0	34.5	35.5	13.00	1940	-18.8
45	Lys, JosefFM	2037	CZE	−16B	+52N	−10N	−23B	+38B	−49N	+50N	−19B	−34N	3.0	33.5	35.5	8.50	1940	-25.6
46	Kucera, Tomas	2033	CZE	−9N	−53B	+42N	−35B	+47N	+54B	−10N	−37B	−38N	3.0	32.0	33.5	8.00	1924	-28.8
47	Zimniok, Lubomir	1934	CZE	−13N	+36B	−22N	−32B	−46B	=51N	=52B	−42N	+50B	3.0	29.0	31.0	8.50	1886	-11.2
48	Zidek, Damian	1929	CZE	−18N	+38B	=28N	−13B	−20N	=42B	=54N	−40N	−51B	2.5	33.0	34.5	8.75	1852	-36.8
49	Chrostek, Lukas	1910	CZE	−27B	F	−18N	−36B	+51N	+45B	−13N	=33N	−21B	2.5	32.5	32.5	7.00	1899	-2.0
50	Kolar, Stanislav	1938	CZE	−22N	−32B	+38N	=37B	−28N	+53N	−45B	−43B	−47N	2.5	30.5	32.0	7.50	1851	-20.8
51	Holliman, Bob	1987	USA	−19B	−5B	=20N	−41N	−49B	=47B	−34N	F	+48N	2.0	32.0	32.0	6.50	1853	-29.2
52	Rozumek, Vlastimil	1940	CZE	−37N	−45B	−36N	=42B	=43N	=38B	=47N	F	F	2.0	25.0	25.0	7.00	1845	-18.2
53	Hodan, Jiri	1943	CZE	−25B	+46N	=33B	−27N	−37N	−50B	−35N	−34B	F	1.5	30.5	30.5	5.00	1781	-31.2
54	Pech, Vaclav	1939	CZE	F	−11N	=27B	−25N	=41B	−46N	=48B	F	F	1.5	23.5	23.5	5.25	1866	-11.2
55	Sotek, SimonCM	2179	CZE	+44B	−1N	F	F	F	F	F	F	F	1.0	14.0	14.0	3.00	2280	+6.4

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Hrbek, JachymCZE
+76.4
4.5 pts · #28
2Svoboda, TobiasCZE
+73.6
4.5 pts · #23
3Werblinski, WojciechPOL
+69.2
4.0 pts · #32

Top rating losers

1Sigut, OndrejCZE
-72.0
4.5 pts · #26
2Haladaj, AdamPOL
-69.6
4.0 pts · #29
3Zidek, DamianCZE
-36.8
2.5 pts · #49

Biggest upsets

R1+319 Elo gap
Hrbek, Jachym2004 beat CMTerkiewicz, Bruno2323
R7+255 Elo gap
Svoboda, Tobias1962 beat FMRekuc, Patryk2217
R2+249 Elo gap
Mixakis, Evangelos1953 beat CMFizer, Marek2202