Primorsko open-B tournament

Open SwissStandard

117 players participated in this 7-round tournament, held from 15 Sept 2025 to 21 Sept 2025 in Primorsko, Bulgaria. 8 titled players from 8 federations. Top 10 Elo average was 2124, and top seed was Bugra Karademir (🇹🇷 TUR, 2146).

Bogidar Ivanov (🇧🇬 BUL, 2133) won with 6.0/7, ahead of Alper Tezcan (6.0) and Kagan Torun (6.0). Ivanov shared the lead from round 2, winning on tie-break.

The biggest upset came in round 1: Maxim Kissa (1508) beat Asen Petrov (1881), a +373-point gap.

Location

🇧🇬Primorsko, Bulgaria

Dates

15 Sept 2025 → 21 Sept 2025

Time control

Standard: 60 minutes with 30 seconds increment from move 1

System

Swiss · 7 rounds

Top seed

🇹🇷Bugra Karademir2146

Avg top 10

2,124

Participants

117

Titled players · 8

IM×4

FM×2

CM×1

WIM×1

Federations · 8 represented

🇧🇬Bulgaria×75

🇲🇩Moldova×16

🇹🇷Turkiye×14

🇵🇭Philippines×1

🇭🇺Hungary×1

🇮🇸Iceland×1

🇲🇰North Macedonia×1

🇨🇿Czech Republic×1

Top 3

🥇
Bogidar Ivanov
🇧🇬BUL·2133
6.0pts·2291perf+24.0
🥈
CMAlper Tezcan
🇹🇷TUR·2056
6.0pts·2260perf+46.5
🥉
Kagan Torun
🇹🇷TUR·2020
6.0pts·2312perf+96.8

How it unfolded

Top 6 · 7 rounds

Tight race until R4; 3 players tied at 6.0/7, decided on Buchholz.

Co-leaders

Ivanov6Torun6Tezcan6Mutafov5.5Herdem5.5Kuznetsov5.5

R4–R7 · LEAD HELD

Bogidar Ivanov held the sole lead from R4 through R7 without losing it.

R7 · TIEBREAK CLUSTER

3 players finish on 6.0/7. Ivanov takes the title on Buchholz Cut1 (31.0).

R6 · HEAD-TO-HEAD · WINNER VS 2ND

Bogidar Ivanov drew with Kagan Torun (White).

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1Bogidar Ivanov	*	½	1	—
2Kagan Torun	½	*	—	—
3CMAlper Tezcan	0	—	*	1
4Krasimir Mutafov	—	—	0	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	R6	R7	Pts	Bu C1	Bu	SB	Perf	Δ
1	Ivanov, Bogidar	2133	BUL	+88N	+40B	+4N	+2B	+15N	=3B	=8N	6.0	31.0	33.5	28.00	2291	+24.0
2	Tezcan, AlperCM	2056	TUR	+74N	+23B	+5N	−1N	+29B	+27N	+19B	6.0	28.5	31.5	25.50	2260	+46.5
3	Torun, Kagan	2020	TUR	+97N	+44B	=9N	+26B	+17N	=1N	+7B	6.0	28.5	30.5	25.00	2312	+96.8
4	Herdem, Talha	1976	TUR	+93B	+25N	−1B	=34N	+56B	+50N	+22B	5.5	26.0	28.5	20.50	2096	+30.8
5	Mutafov, Krasimir	2114	BUL	+54B	+36N	−2B	=82N	+48B	+66N	+18B	5.5	24.5	27.0	19.75	2132	+3.8
6	Kuznetsov, Kirill	1938	FID	+84N	+110B	−26N	+58B	=28N	+13B	+21N	5.5	23.0	24.0	18.00	2162	+35.6
7	Karadzhov, Ivan	2105	BUL	+89N	=48B	=34N	+23B	+20N	+33B	−3N	5.0	26.5	29.0	19.25	2033	-9.2
8	Krastanov, Georgi	2045	BUL	+46N	+70B	+13N	=14N	F	+31B	=1B	5.0	26.0	26.0	20.75	2267	+33.6
9	Trendafilov, Simeon	2060	BUL	+75B	+35N	=3B	−19N	+82B	=32B	+39N	5.0	25.5	28.0	18.50	2033	-5.2
10	Bezeyko, Olexander	2028	UKR	=52B	=85N	+68B	+57N	=30B	=16B	+28N	5.0	22.5	25.0	17.75	2014	+4.8
11	Nikolov, Petko	1918	BUL	−59B	+86N	+54B	−29N	+68B	+41N	+27B	5.0	22.0	24.5	17.00	1927	+4.2
12	Petrov, Asen	1881	BUL	−71N	+98B	+61N	+69B	−31N	+49B	+53N	5.0	20.5	22.5	15.50	1934	+12.6
13	Vrana, FrantisekFM	2109	CZE	+30B	+82N	−8B	=51N	+34B	−6N	+32B	4.5	26.0	28.5	16.25	1978	-9.5
14	Ardenski, Dimitar	2081	BUL	+49N	+65B	+37N	=8B	=33N	−19B	=20N	4.5	25.5	29.0	17.75	2016	-9.4
15	Delchev, Petar	2110	BUL	+61N	+43B	=33N	+48B	−1B	−18N	+51B	4.5	25.5	29.0	16.50	2011	-14.0
16	Tashkov, Rumen	2143	BUL	+45B	=62N	+22B	=66N	=18B	=10N	=47B	4.5	25.5	28.5	18.50	2033	-17.0
17	Ignatov, Georgi	2057	BUL	+60B	+57N	=19B	+83N	−3B	−22N	+48B	4.5	25.5	28.0	15.25	1994	-9.0
18	Dimitrov, Dejan	1969	BUL	+56B	+102N	=50B	=28B	=16N	+15B	−5N	4.5	25.5	27.5	16.00	2107	+28.0
19	Stefanov, Plamen	1955	BUL	+99N	+58B	=17N	+9B	F	+14N	−2N	4.5	25.5	25.5	17.25	2137	+29.6
20	Shvenk, Denis	1931	BUL	+67B	=27N	=29B	+41N	−7B	+72N	=14B	4.5	24.5	27.5	16.25	1996	+24.5
21	Kralevski, AleksanderFM	2048	MKD	=55B	−52N	+73B	+94N	+51B	+30N	−6B	4.5	23.0	25.5	14.75	1871	-25.6
22	Hristov, Petar	1913	BUL	=77N	+113B	−16N	+24B	+108N	+17B	−4N	4.5	23.0	23.5	12.00	1903	+1.8
23	Ivanov, Lachezar	1837	BUL	+115B	−2N	+107B	−7N	=67B	+60N	+66B	4.5	22.0	22.0	9.50	1916	+27.2
24	Chirpii, Alexandru	1733	MDA	=53B	−32N	+80B	−22N	+59B	+82N	+83B	4.5	21.0	23.5	13.25	1916	+34.2
25	Toshkov, Angel	1812	BUL	+92N	−4B	−69N	+98B	=87N	+108B	+63N	4.5	19.0	20.0	10.25	1760	-6.6
26	Karademir, Bugra	2146	TUR	+41B	=38N	+6B	−3N	=62N	+44B	F	4.0	27.5	31.0	17.25	2015	-16.6
27	Todorov, OgnjanIM	2143	BUL	+81N	=20B	=32N	+42B	+37N	−2B	−11N	4.0	27.5	30.5	15.25	1967	-14.4
28	Ibryamov, Ilhan	2121	BUL	=29B	+55N	+38B	=18N	=6B	=47N	−10B	4.0	27.0	30.5	16.50	1951	-27.0
29	Zengin, Ovgu	1755	TUR	=28N	+77B	=20N	+11B	−2N	=42B	=62N	4.0	27.0	30.0	16.00	1956	+71.2
30	Baban, Boris	1743	BUL	−13N	+109B	+40N	+63B	=10N	−21B	=42N	4.0	25.5	26.5	13.00	1950	+36.8
31	Marholev, DimitarIM	2095	BUL	+76B	=51N	=62B	+35N	+12B	−8N	F	4.0	25.0	28.0	15.50	1995	-6.3
32	Zlatanova, EmiliaWIM	1921	BUL	=113N	+24B	=27B	+45N	=66B	=9N	−13N	4.0	25.0	25.5	14.75	1962	+9.4
33	Canli, Ismail Berk	1948	TUR	+96B	+72N	=15B	+50N	=14B	−7N	F	4.0	24.5	26.5	13.00	2094	+49.6
34	Kanchev, Martin	1796	BUL	+106B	=64N	=7B	=4B	−13N	=67N	+75B	4.0	24.5	26.0	13.00	1917	+34.4
35	Chireacova, Ecaterina	1833	MDA	+112N	−9B	+46N	−31B	=60N	+87B	=40N	4.0	23.0	24.0	11.25	1859	+5.2
36	Neshev, Nikola	1862	BUL	+109N	−5B	=49N	=52B	+61N	−39B	+76N	4.0	23.0	24.0	11.00	1810	-7.6
37	Gelir, Toprak	1938	TUR	+86B	+59N	−14B	+72N	−27B	+57N	F	4.0	22.5	25.0	12.50	1966	+13.6
38	Icoz, Cinar	1904	TUR	+79N	=26B	−28N	=60B	=49N	+81B	=44N	4.0	22.0	25.0	13.50	1892	-2.0
39	Kulinchev, Stanislav	1808	BUL	+101B	−66N	+67B	+53N	−50B	+36N	−9B	4.0	22.0	24.0	12.50	1946	+40.8
40	Mintenko, Heorhiy	1908	HUN	+103B	−1N	−30B	+96N	=54B	+94N	=35B	4.0	22.0	24.0	10.25	1822	-13.4
41	Kamenov, Valentin	1784	BUL	−26N	+84B	+71N	−20B	+99N	−11B	+85N	4.0	21.5	23.5	10.00	1825	+7.6
42	Stoimenov, Plamen	1873	BUL	=73B	=107N	+75B	−27N	+55B	=29N	=30B	4.0	21.5	23.0	12.75	1803	-10.8
43	Shumantov, Aleksandar	1867	GER	+90B	−15N	=60B	=55N	=75B	+56N	=69B	4.0	21.0	23.5	12.50	1778	-13.8
44	Sharkov, Venko	1819	BUL	+104B	−3N	=96B	+85N	+83B	−26N	=38B	4.0	21.0	23.0	10.00	1886	+9.4
45	Shalamanov, Vladimir	1764	BUL	−16N	+79B	+110N	−32B	−53B	+86N	+67B	4.0	20.5	21.5	9.50	1814	+5.4
46	Hatuk, Neris	1722	TUR	−8B	+91N	−35B	+103N	−70B	+90N	+72B	4.0	20.0	22.0	10.00	1747	+8.0
47	Bochev, Krasimir	1987	BUL	=85B	+73N	=51B	+102N	F	=28B	=16N	4.0	19.5	19.5	12.25	1989	+3.8
48	Sirin, Ahmet	1857	TUR	+80B	=7N	+64B	−15N	−5N	+89B	−17N	3.5	26.0	28.5	11.50	1937	+15.6
49	Zengin, Deha	1738	TUR	−14B	+111N	=36B	+64N	=38B	−12N	=57B	3.5	24.5	25.5	10.25	1864	+35.2
50	Krastev, Goran	2114	BUL	+68N	+63B	=18N	−33B	+39N	−4B	F	3.5	24.5	24.5	12.75	1949	-22.8
51	Dimitroglo, Andrei A	1841	MDA	+117N	=31B	=47N	=13B	−21N	+74B	−15N	3.5	24.5	24.5	9.25	1955	+29.6
52	Merdzhanov, Vladko	1717	BUL	=10N	+21B	−53N	=36N	−57B	+100B	=58N	3.5	24.0	26.0	12.75	1877	+20.8
53	Rusev, Rosen	2059	BUL	=24N	F	+52B	−39B	+45N	+70N	−12B	3.5	24.0	24.0	12.75	1845	-28.8
54	Nonchev, Yavor	1749	BUL	−5N	+95B	−11N	+71B	=40N	−63B	+87N	3.5	23.5	26.0	10.00	1771	+6.2
55	Ivanov, Hristiyan	1724	BUL	=21N	−28B	+77N	=43B	−42N	+71B	=65N	3.5	23.0	26.0	12.00	1832	+34.4
56	Krasteva, Yoana	1634	BUL	−18N	+92B	=70N	+65B	−4N	−43B	+88N	3.5	23.0	25.5	10.00	1816	+49.6
57	Markov, Mario	1822	BUL	+100N	−17B	+97N	−10B	+52N	−37B	=49N	3.5	22.5	24.5	9.25	1806	-4.4
58	Ingason, Sigurdur	1784	ISL	+116B	−19N	+59B	−6N	=78B	=83N	=52B	3.5	22.5	22.5	8.00	1728	-9.2
59	Burlaca, Daniil	1580	MDA	+11N	−37B	−58N	=74B	−24N	+109B	+97N	3.5	22.0	23.0	9.50	1748	+51.2
60	Georgiev, Radmil	1732	BUL	−17N	+112B	=43N	=38N	=35B	−23B	+108N	3.5	22.0	23.0	8.00	1751	+2.4
61	Dimov, Danail	1744	BUL	−15B	+90N	−12B	+113N	−36B	+73N	=70B	3.5	22.0	22.5	7.50	1738	-1.0
62	Tsolov, Emil	1873	BUL	+95N	=16B	=31N	F	=26B	=69N	=29B	3.5	22.0	22.0	12.25	1940	+12.4
63	Panus, VictorIM	1898	ROU	+78B	−50N	+76B	−30N	=89B	+54N	−25B	3.5	21.5	24.0	10.75	1779	-10.5
64	Vladimirov, Ivo	1974	BUL	+87N	=34B	−48N	−49B	F	+78N	+68B	3.5	19.5	19.5	10.50	1783	-25.4
65	Parvanov, Mitko	1842	BUL	+111B	−14N	=85B	−56N	+96B	=75N	=55B	3.5	19.0	20.0	7.50	1689	-25.2
66	Angelov, KostaIM	1980	BUL	+69N	+39B	F	=16B	=32N	−5B	−23N	3.0	25.5	25.5	11.25	1918	-9.2
67	Skachkov, Yulian	1599	BUL	−20N	+81B	−39N	+88B	=23N	=34B	−45N	3.0	24.0	26.5	9.75	1761	+54.8
68	Stankov, Apostol	1753	BUL	−50B	+78N	−10N	+79B	−11N	+84B	−64N	3.0	23.0	25.5	8.50	1772	+0.6
69	Tufaner, Ayaz	1687	TUR	−66B	+101N	+25B	−12N	F	=62B	=43N	3.0	22.0	24.0	10.25	1811	+30.0
70	Tsonev, Yavor	1822	BUL	+91B	−8N	=56B	F	+46N	−53B	=61N	3.0	22.0	22.0	10.00	1769	-16.8
71	Kissa, Maxim	1508	MDA	+12B	−83N	−41B	−54N	+106B	−55N	+99N	3.0	20.5	22.0	8.50	1653	+36.0
72	Khasin, Konstantin	1796	BUL	+108N	−33B	+99N	−37B	+100N	−20B	−46N	3.0	20.5	21.5	5.00	1593	-49.6
73	Tugay, Dogan	1484	TUR	=42N	−47B	−21N	+114B	=88N	−61B	+98N	3.0	20.5	21.0	5.75	1667	+42.4
74	Petrov, Krassimir	1725	BUL	−2B	+115N	−82B	=59N	+91B	−51N	=94B	3.0	20.5	20.5	5.50	1581	-18.2
75	Djakova, Diana	1737	BUL	−9N	+117B	−42N	+116B	=43N	=65B	−34N	3.0	20.5	20.5	3.75	1647	-11.2
76	Carraro, Luciano	1739	BUL	−31N	+114B	−63N	−100B	+92N	+79B	−36B	3.0	19.0	19.5	6.00	1660	-18.8
77	Dimitrov, Dimitar D.	1569	BUL	=22B	−29N	−55B	+93N	−94B	=96N	+116B	3.0	19.0	19.0	5.75	1612	+9.6
78	Dikova, Bogdana	1555	BUL	−63N	−68B	+92N	+97B	=58N	−64B	=89N	3.0	18.5	20.5	7.50	1680	+30.8
79	Hudoba, Polina	1560	MDA	−38B	−45N	+104B	−68N	+101B	−76N	+110N	3.0	18.0	19.0	5.00	990	-34.0
80	Dyulgerova, Anushka	1421	BUL	−48N	=89B	−24N	=84B	+98N	+99B	F	3.0	17.5	19.5	6.50	1688	+75.6
81	Belev, Ivaylo	1783	BUL	−27B	−67N	+111B	+86N	F	−38N	+93B	3.0	17.0	17.0	6.00	1711	-11.4
82	Gorchev, Gancho	1843	BUL	+114N	−13B	+74N	=5B	−9N	−24B	F	2.5	25.5	26.0	6.25	1799	-7.6
83	Tsakov, Petar	1947	BUL	+98N	+71B	F	−17B	−44N	=58B	−24N	2.5	21.5	21.5	6.75	1700	-36.4
84	Popa, Decebal	1600	MDA	−6B	−41N	=91B	=80N	+104B	−68N	=90B	2.5	20.5	22.5	6.00	1422	-23.6
85	Bocheva, Margarita	1689	BUL	=47N	=10B	=65N	−44B	F	+116N	−41B	2.5	20.5	20.5	6.25	1743	+4.8
86	Ivanov, Oleg	1604	BUL	−37N	−11B	+117N	−81B	+105N	−45B	=92N	2.5	20.5	20.5	3.25	1051	-16.4
87	Vatkovski, Mitko	1635	BUL	−64B	+106N	−102B	+90N	=25B	−35N	−54B	2.5	20.0	21.5	6.25	1571	-11.0
88	Kamber, Aydan	1762	BUL	−1B	+103N	−108B	−67N	=73B	+91N	−56B	2.5	20.0	21.0	6.00	1535	-31.4
89	Hristov, Krasimir Iv.	1740	BUL	−7B	=80N	F	+109B	=63N	−48N	=78B	2.5	19.0	19.0	5.75	1656	-14.0
90	Ivanova, Nikol	1443	BUL	−43N	−61B	+105N	−87B	+97N	−46B	=84N	2.5	18.5	20.5	5.25	1510	+21.6
91	Gyulestanov, Mehmed	0	BUL	−70N	−46B	=84N	+95B	−74N	−88B	+109N	2.5	17.5	18.5	4.75	1539	0.0
92	Slavova, Anna	0	MDA	−25B	−56N	−78B	+111N	−76B	+115N	=86B	2.5	17.5	17.5	2.25	1304	0.0
93	Tonev, Slavcho	1660	BUL	−4N	−100B	=114N	−77B	+110N	+103B	−81N	2.5	16.5	17.0	3.25	1531	-14.0
94	Zahariev, Velislav	1766	BUL	F	F	+100N	−21B	+77N	−40B	=74N	2.5	16.5	16.5	6.50	1726	-11.2
95	Peev, Chiril	1453	MDA	−62B	−54N	−101B	−91N	+115B	=106N	+105N	2.5	15.0	15.0	2.75	981	-8.0
96	Vasileva, Cveta	1607	BUL	−33N	+105B	=44N	−40B	−65N	=77B	F	2.0	20.5	22.5	5.50	1577	-5.2
97	Georgiev, Dimitar	1696	BUL	−3B	+104N	−57B	−78N	−90B	+101N	−59B	2.0	20.5	22.5	4.00	881	-52.6
98	Stancev, Victor	1605	MDA	−83B	−12N	+115B	−25N	−80B	+104N	−73B	2.0	20.0	20.0	2.00	909	-76.0
99	Gyulestan, Fikri	1624	BUL	−19B	+116N	−72B	+101N	−41B	−80N	−71B	2.0	19.5	19.5	2.00	892	-42.2
100	Nikolov, Georgi Y.	0	BUL	−57B	+93N	−94B	+76N	−72B	−52N	F	2.0	18.0	20.0	5.50	1625	0.0
101	Stancev, Macar	0	MDA	−39N	−69B	+95N	−99B	−79N	−97B	+117B	2.0	16.5	16.5	2.50	1358	0.0
102	Todorov, Georgi	1800	BUL	+105N	−18B	+87N	−47B	F	F	F	2.0	16.0	16.0	4.50	1740	-10.4
103	Georgiev, Kristian	1568	BUL	−40N	−88B	+112N	−46B	F	−93N	+106B	2.0	15.5	15.5	2.50	963	-20.8
104	Peev, Nikita	0	MDA	−44N	−97B	−79N	+117B	−84N	−98B	+115N	2.0	13.5	13.5	0.00	856	0.0
105	Tafratov, Vadim	0	MDA	−102B	−96N	−90B	+115N	−86B	+111N	−95B	2.0	12.5	12.5	1.00	768	0.0
106	Teleuca, Naomi	0	MDA	−34N	−87B	−109N	+112B	−71N	=95B	−103N	1.5	15.0	16.0	2.25	1159	0.0
107	Atanasov, Ivaylo	1680	BUL	F	=42B	−23N	+110B	F	F	F	1.5	9.5	9.5	3.00	1660	-1.0
108	Tjutjundzhiev, Filip	0	BUL	−72B	F	+88N	F	−22B	−25N	−60B	1.0	18.0	18.0	2.50	1563	0.0
109	Alcantara, Sheena	1438	PHI	−36B	−30N	+106B	−89N	F	−59N	−91B	1.0	18.0	18.0	1.50	930	-26.0
110	Velikoglo, Daria	0	MDA	F	−6N	−45B	−107N	−93B	+112N	−79B	1.0	17.5	17.5	1.00	920	0.0
111	Bolgar, Ilia	0	MDA	−65N	−49B	−81N	−92B	F	−105B	+112N	1.0	15.5	16.0	1.00	988	0.0
112	FIDE 13920260	0	—	−35B	−60N	−103B	−106N	+117N	−110B	−111B	1.0	13.0	13.0	0.00	913	0.0
113	Ivanov, Georgi	1594	BUL	=32B	−22N	F	−61B	F	F	F	0.5	12.0	12.0	2.00	1586	-1.2
114	Atanasov, Viktor Zh.	0	BUL	−82B	−76N	=93B	−73N	F	F	F	0.5	12.0	12.0	1.25	1359	0.0
115	FIDE 2965682	0	—	−23N	−74B	−98N	−105B	−95N	−92B	−104B	0.0	16.5	18.5	0.00	843	0.0
116	Tufaner, Enver	0	TUR	−58N	−99B	F	−75N	F	−85B	−77N	0.0	14.5	14.5	0.00	882	0.0
117	FIDE 13920278	0	—	−51B	−75N	−86B	−104N	−112B	F	−101N	0.0	14.0	14.0	0.00	930	0.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Torun, KaganTUR
+96.8
6.0 pts · #2
2Dyulgerova, AnushkaBUL
+75.6
3.0 pts · #58
3Zengin, OvguTUR
+71.2
4.0 pts · #35

Top rating losers

1Stancev, VictorMDA
-76.0
2.0 pts · #117
2Georgiev, DimitarBUL
-52.6
2.0 pts · #106
3Khasin, KonstantinBUL
-49.6
3.0 pts · #95

Biggest upsets

R1+373 Elo gap
Kissa, Maxim1508 beat Petrov, Asen1881
R1+338 Elo gap
Burlaca, Daniil1580 beat Nikolov, Petko1918
R2+331 Elo gap
Merdzhanov, Vladko1717 beat FMKralevski, Aleksander2048