I-st International Chess tournament"Sofia spring"-B, Under the aegis of BSCF

Open SwissStandard

104 players participated in this 9-round tournament, held from 23 May 2025 to 29 May 2025 in Sofia, Park hotel "Moskva", Bulgaria. 2 titled players from 8 federations. Top 10 Elo average was 1956, and top seed was Jordan V. Nikolov (🇧🇬 BUL, 2000).

Elena Dimitrova ( FID, WFM, 1998) won with 7.5/9, ahead of Ivan Kadijski (7.5) and Meric Zeynel Aker (7.5). Dimitrova won on tie-break after catching the field in the final round.

The biggest upset came in round 9: Ahmet Eymen Kocaman (1515) beat Jordan V. Nikolov (2000), a +485-point gap.

Location

🇧🇬Sofia, Park hotel "Moskva", Bulgaria

Dates

23 May 2025 → 29 May 2025

Time control

Standard: 120 minutes for first 40 moves and 15 minutes for the rest of the game with 30 sec. incr. from move 40

System

Swiss · 9 rounds

Top seed

🇧🇬Jordan V. Nikolov2000

Avg top 10

1,956

Participants

104

Titled players · 2

WFM×1

WCM×1

Federations · 8 represented

🇧🇬Bulgaria×78

🇹🇷Turkiye×13

🇬🇷Greece×2

🇮🇱Israel×2

🇷🇸Serbia×1

🇸🇬Singapore×1

🇦🇷Argentina×1

FIDE (no federation)×1

Top 3

🥇
WFMElena Dimitrova
FID·1998
7.5pts·2095perf+20.4
🥈
Ivan Kadijski
🇧🇬BUL·1939
7.5pts·2089perf+66.0
🥉
Meric Zeynel Aker
🇹🇷TUR·1876
7.5pts·2082perf+91.2

How it unfolded

Top 6 · 9 rounds

Tight race until R9; 3 players tied at 7.5/9, decided on Buchholz.

Co-leaders

Kadijski7.5Dimitrova7.5Aker7.5Petrov7Atanassov7Ignatov6.5— ex-leaders:Fangarlievled R4, #29

R7 · LEADER CHANGE27 May

Meric Zeynel Aker takes the sole lead (6.5/7).

R9 · TIEBREAK CLUSTER

3 players finish on 7.5/9. Dimitrova takes the title on Buchholz Cut1 (47.5).

WIN STREAKS · 3 top finishers

Ivan Kadijski 3+4 wins (R1–R3, R6–R9)WFM Elena Dimitrova 3 wins (R1–R3)Meric Zeynel Aker 5 wins (R3–R7)

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1Ivan Kadijski	*	—	—	—
2WFMElena Dimitrova	—	*	0	½
3Meric Zeynel Aker	—	1	*	—
4Asen Petrov	—	½	—	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	R6	R7	R8	R9	Pts	Bu C1	Bu	SB	Perf	Δ
1	Dimitrova, ElenaWFM	1998	FID	+32B	+25N	+44B	=5N	+28B	+19N	−3B	+8N	+16B	7.5	47.5	52.0	41.00	2095	+20.4
2	Kadijski, Ivan	1939	BUL	+66B	+20N	+21B	=8N	−19B	+56N	+7B	+11B	+4N	7.5	46.0	50.0	41.50	2089	+66.0
3	Aker, Meric Zeynel	1876	TUR	+61B	=57N	+31B	+56N	+29B	+9N	+1N	−4B	+6N	7.5	45.0	49.0	40.00	2082	+91.2
4	Atanassov, Radislav	1996	BUL	+91N	=26B	+33N	=9B	+42N	+23B	+10N	+3N	−2B	7.0	47.5	49.5	36.25	2006	+4.0
5	Petrov, Asen	1873	BUL	+46N	+38B	+42N	=1B	−9N	=30N	+35B	+43B	+10N	7.0	43.5	48.0	35.75	1971	+22.2
6	Kolev, Lachezar	1992	BUL	+50B	+62N	+12B	−28N	+21B	=7N	+9B	+19N	−3B	6.5	46.5	50.5	34.75	1945	-7.4
7	Ignatov, Kristiyan	1786	BUL	+74B	+37N	−8B	+45N	+32B	=6B	−2N	+47N	+19B	6.5	44.5	48.0	31.25	1908	+60.4
8	Todorov, Tsetsko	1966	BUL	+97N	+13B	+7N	=2B	=10N	+38B	=11N	−1B	=30N	6.0	49.5	51.0	31.25	1924	-6.0
9	Sirin, Ahmet	1815	TUR	+90B	+47N	+30B	=4N	+5B	−3B	−6N	=31N	+35B	6.0	47.5	50.0	30.00	1906	+22.2
10	Peev, Martin	1871	BUL	+17B	+58N	=36B	+22N	=8B	+43N	−4B	+29N	−5B	6.0	46.0	50.0	30.50	1905	+10.0
11	Nikolov, Petko	1927	BUL	+27N	−34B	+40B	+60N	+36B	+28N	=8B	−2N	=12B	6.0	45.0	49.0	30.50	1877	-7.4
12	Ignatov, Bojidar	1790	BUL	+76N	+52B	−6N	+69B	=47N	=33B	+34N	=30B	=11N	6.0	40.5	44.0	27.25	1836	+11.4
13	Zengin, Deha	1701	TUR	+103B	−8N	+17B	−32N	−37B	+53B	+39N	+59N	+28B	6.0	40.5	41.0	25.00	1718	+10.4
14	Dere, Ali Mete	1524	TUR	=19B	−33N	+55B	=57N	+58B	=20N	+62B	+36N	=15N	6.0	39.5	43.5	28.00	1847	+131.6
15	Nasar, Lazar	1922	BUL	−67B	+79N	+50B	+58N	=30B	=22N	=29B	+20N	=14B	6.0	39.5	43.0	28.25	1767	-28.6
16	Markovic, Kosta	1913	SRB	+71N	−60B	+97N	+34B	−43N	+57B	+33N	+22B	−1N	6.0	39.5	41.0	25.00	1829	-32.0
17	Ribstein, Itael	1530	ISR	−10N	+64B	−13N	+89B	−25B	+92N	+58B	+44N	+29B	6.0	37.5	39.5	22.00	1758	+80.8
18	Dragiev, Drago	1800	BUL	−68N	−49B	+100N	+65B	+66N	−31B	+85B	+45N	+37B	6.0	34.0	35.0	21.50	1603	-31.8
19	Tsonkov, Tsvetelin	1842	BUL	=14N	+54B	+63N	+26B	+2N	−1B	+47N	−6B	−7N	5.5	48.5	52.5	29.00	1840	+2.2
20	Sazlik, Mucahit	1697	TUR	+100N	−2B	−46N	+39B	+61N	=14B	+40N	−15B	+54N	5.5	42.5	43.5	22.50	1688	-1.4
21	Pantev, Kaloyan	1783	BUL	+79B	+40N	−2N	+52B	−6N	+41B	F	+46B	=26N	5.5	42.0	42.0	25.25	1828	+21.6
22	Baban, Boris	1728	BUL	+82N	=59B	+51N	−10B	+75N	=15B	+32N	−16N	=24B	5.5	40.5	43.5	23.75	1768	+11.8
23	Canli, Ismail Berk	1806	TUR	+53B	+69N	=60B	=36N	+35B	−4N	−43B	+57N	=31B	5.5	39.0	43.0	24.50	1787	-6.4
24	Popov, Georgi	1902	BUL	+75B	+43N	=56B	−29N	=31B	+45N	F	+34B	=22N	5.5	38.5	42.0	24.75	1833	-12.4
25	Filipov, Kotse	1715	BUL	+87B	−1B	=75N	−51B	+17N	+76B	−37N	+70N	+49B	5.5	38.5	41.5	22.75	1660	-12.0
26	Malchev, Nikola	1709	BUL	+101B	=4N	+57B	−19N	−63B	+73N	+60B	=28N	=21B	5.5	38.5	39.5	21.25	1776	+30.0
27	Kasimoglu, Kaan Cinar	1560	TUR	−11B	+103N	−48B	+64N	+44B	−35N	=42B	+72N	+47B	5.5	36.5	37.0	19.25	1792	+91.6
28	Fangarliev, Anil	1814	BUL	+77N	+41B	+34N	+6B	−1N	−11B	=31N	=26B	−13N	5.0	46.5	50.0	25.25	1801	-5.6
29	Vasilev, Lyuboslav	1780	BUL	+81N	=51B	+59N	+24B	−3N	+63B	=15N	−10B	−17N	5.0	43.5	47.0	22.25	1737	-7.4
30	Ivanov, Lachezar	1723	BUL	+83B	+94N	−9N	+61B	=15N	=5B	F	=12N	=8B	5.0	43.5	45.5	21.50	1815	+36.8
31	Nonchev, Yavor	1689	BUL	F	+65B	−3N	+77B	=24N	+18N	=28B	=9B	=23N	5.0	43.0	43.0	24.50	1837	+66.8
32	Gokce, Alperen	1584	TUR	−1N	+82B	+72N	+13B	−7N	F	−22B	+33B	+56N	5.0	42.5	45.5	21.50	1859	+107.6
33	Zlatkov, Nikolay	1706	BUL	=65N	+14B	−4B	+83N	+60B	=12N	−16B	−32N	+66B	5.0	42.0	45.0	22.00	1695	-4.8
34	Malcheva, NiyaWCM	1682	BUL	+73B	+11N	−28B	−16N	+50B	+48N	−12B	−24N	+61B	5.0	41.5	45.0	22.50	1781	+40.0
35	Chalopoviz, Ilay	1719	ISR	−59N	+80B	+67N	+46B	−23N	+27B	−5N	+52B	−9N	5.0	41.0	44.5	22.00	1670	-20.4
36	Zhelev, Momchil	1775	BUL	+84N	+68B	=10N	=23B	−11N	=37B	+63N	−14B	=43N	5.0	41.0	44.0	21.50	1716	-24.8
37	Ivanov, Nikolay	1595	BUL	+92N	−7B	+88N	−42B	+13N	=36N	+25B	=56B	−18N	5.0	40.0	42.0	20.50	1708	+41.2
38	Emanouilov, Radoslav	1627	BUL	+55B	−5N	+74B	+44N	+48B	−8N	F	F	+59B	5.0	38.0	38.0	21.00	1851	+68.4
39	Georgieva, Rada	1503	BUL	+48B	−42B	−41N	−20N	+86B	+69N	−13B	+58N	+57B	5.0	37.5	40.5	19.50	1692	+77.2
40	Ozturk, Tolga	1590	TUR	+72B	−21B	−11N	=74N	+83B	+49N	−20B	=42N	+62B	5.0	37.0	40.0	19.00	1744	+32.8
41	Stoychev, Erik	1614	BUL	+102B	−28N	+39B	−48N	+92B	−21N	−59B	+76N	+64B	5.0	33.5	34.0	15.00	1511	-32.8
42	Hristov, Krasimir Iv.	1753	BUL	+80B	+39N	−5B	+37N	−4B	F	=27N	=40B	=50N	4.5	44.0	47.5	21.00	1685	-12.4
43	Hadzhaismail, Demir	1695	BUL	F	−24B	+90N	+73N	+16B	−10B	+23N	−5N	=36B	4.5	41.0	41.0	20.00	1809	+39.6
44	Kazakov, Danail	1799	BUL	+70B	+45N	−1N	−38B	−27N	+77B	=67N	−17B	+88N	4.5	40.0	42.5	16.50	1573	-46.2
45	Ivanov, Oleg	1611	BUL	+78N	−44B	+49N	−7B	+53N	−24B	+73N	−18B	=46N	4.5	39.5	43.0	18.25	1630	+1.8
46	Tanvi Trivedi	1540	SGP	−5B	+98N	+20B	−35N	−57B	+78N	+48B	−21N	=45B	4.5	39.5	41.0	17.25	1669	+44.0
47	Vasileva, Cveta	1643	BUL	+99N	−9B	+68N	+95N	=12B	+72N	−19B	−7B	−27N	4.5	39.0	40.5	14.00	1731	+15.4
48	Bytyqi, Gzim	1784	KOS	−39N	+84B	+27N	+41B	−38N	−34B	−46N	+68B	=52N	4.5	38.5	41.5	19.75	1568	-48.8
49	Angelov, Veselin	1491	BUL	−56N	+18N	−45B	=97B	+54N	−40B	+75N	+63B	−25N	4.5	37.0	38.5	18.75	1661	+76.4
50	Ochkova, Vasilena	1568	BUL	−6N	+87B	−15N	+82B	−34N	+84B	=72B	=62N	=42B	4.5	35.5	38.5	15.00	1708	+54.4
51	Ivanov, Denislav	1549	BUL	+95B	=29N	−22B	+25N	−56B	−60N	−55B	+83N	+85B	4.5	34.5	36.5	16.00	1713	+56.4
52	Abdula, Adrian	1598	BUL	+88B	−12N	+94B	−21N	−72B	+74N	+64B	−35N	=48B	4.5	34.5	36.5	14.25	1570	-12.8
53	Kocaman, Ahmet Eymen	1515	TUR	−23N	+104B	−58B	+94N	−45B	−13N	=78B	+89N	+72B	4.5	31.5	31.5	9.75	1563	+9.6
54	Nikolov, Jordan G.	1591	BUL	=93B	−19N	−73B	+103N	−49B	+83N	+88B	+85N	−20B	4.5	29.5	30.0	10.00	1505	-12.4
55	Lazarov, Lachezar	0	BUL	−38N	=77B	−14N	+91B	−67N	+97B	+51N	F	+90B	4.5	29.0	29.0	12.25	1581	0.0
56	Shvenk, Denis	1776	BUL	+49B	+67N	=24N	−3B	+51N	−2B	F	=37N	−32B	4.0	44.5	48.5	18.25	1688	-35.6
57	Koev, Georgi	1695	BUL	+86N	=3B	−26N	=14B	+46N	−16N	+80B	−23B	−39N	4.0	43.5	46.5	17.75	1579	-51.2
58	Taskov, Atanas	1673	BUL	+64N	−10B	+53N	−15B	−14N	+68B	−17N	−39B	+84N	4.0	41.5	44.5	15.50	1518	-69.2
59	Aynaoglu, Mete	1428	TUR	+35B	=22N	−29B	−63N	+70B	=67B	+41N	−13B	−38N	4.0	39.5	43.5	18.75	1615	+81.2
60	Merdzhanov, Vladko	1652	BUL	+98B	+16N	=23N	−11B	−33N	+51B	−26N	=67B	F	4.0	38.0	38.0	16.75	1689	+4.8
61	Yordanov, Kristiyan	1545	BUL	−3N	+86B	+62B	−30N	−20B	−64N	+82N	+73B	−34N	4.0	37.5	40.5	13.50	1565	+3.2
62	Mladenov, Andrey	1712	BUL	+89N	−6B	−61N	=76B	+65N	+75B	−14N	=50B	−40N	4.0	37.0	39.5	14.00	1525	-43.0
63	Stoychev, Martin	1667	BUL	F	+85N	−19B	+59B	+26N	−29N	−36B	−49N	+80B	4.0	36.0	36.0	16.00	1590	-28.8
64	Ivanov, Kaloyan Iv.	0	BUL	−58B	−17N	+84N	−27B	+82N	+61B	−52N	+77B	−41N	4.0	35.5	38.5	13.50	1507	0.0
65	Dikova, Bogdana	1407	BUL	=33B	−31N	+70B	−18N	−62B	=81N	=74B	+91N	=69B	4.0	35.0	37.0	14.00	1582	+75.6
66	Zachariadis, Konstantinos G	1567	GRE	−2N	+89B	−95B	+87N	−18B	−80N	+81B	+79N	−33N	4.0	34.5	36.5	12.50	1585	+1.0
67	Angelakopoulou, Ioanna	1559	GRE	+15N	−56B	−35B	=98N	+55B	=59N	=44B	=60N	F	4.0	33.5	33.5	17.50	1659	+12.6
68	Kichukova, Eva	1514	BUL	+18B	−36N	−47B	−72N	+89B	−58N	+92B	−48N	+82B	4.0	33.0	35.0	13.50	1594	+23.2
69	Petrov, Vladimir	1624	BUL	+104N	−23B	+76N	−12N	−73B	−39B	+84N	=88B	=65N	4.0	33.0	33.0	9.75	1523	-17.0
70	Raychev, Raycho	1513	BUL	−44N	=78B	−65N	+86B	−59N	+93B	+91N	−25B	=71N	4.0	30.5	32.5	10.75	1414	-21.6
71	Vasileva, Avigeya	1553	BUL	−16B	−73N	+101B	=88N	+98B	−85N	=76B	=80N	=70B	4.0	27.5	28.5	9.25	1562	-1.2
72	Nikolov, Jordan V.	2000	BUL	−40N	+93N	−32B	+68B	+52N	−47B	=50N	−27B	−53N	3.5	37.5	39.5	12.75	1464	-96.6
73	Dragiev, Mihail R.	0	BUL	−34N	+71B	+54N	−43B	+69N	−26B	−45B	−61N	=91B	3.5	36.0	38.0	13.50	1541	0.0
74	Aleksandrov, Rosen	1506	BUL	−7N	+92B	−38N	=40B	=78N	−52B	=65N	=75B	=77N	3.5	35.5	37.5	11.75	1438	-29.6
75	Ocal, Halil Tuna	1551	TUR	−24N	+100B	=25B	+85N	−22B	−62N	−49B	=74N	=79B	3.5	35.0	36.0	10.25	1421	-53.2
76	Stoyanov, Gabriel	1508	BUL	−12B	+102N	−69B	=62N	+93B	−25N	=71N	−41B	=78N	3.5	34.0	34.5	8.25	1418	-29.6
77	Ivanova, Gabriela	1519	BUL	−28B	=55N	+93B	−31N	=88B	−44N	+87B	−64N	=74B	3.5	32.0	34.0	10.25	1501	-8.4
78	Stoyanov, Yordan	1553	BUL	−45B	=70N	−83B	+79N	=74B	−46B	=53N	=81N	=76B	3.5	31.5	34.5	13.00	1438	-23.6
79	Dyulgerova, Anushka	1501	BUL	−21N	−15B	−86N	−78B	+99N	+100B	+94N	−66B	=75N	3.5	29.0	30.0	6.25	1305	-40.4
80	Boykinov, Petar	1453	BUL	−42N	−35N	−98B	+100B	+102N	+66B	−57N	=71B	−63N	3.5	28.0	28.5	7.50	1466	+2.0
81	Roces, Cesar	1501	ARG	−29B	−95N	=103B	−93N	+101N	=65B	−66N	=78B	+89N	3.5	24.0	24.5	7.50	1508	-2.4
82	Gunyakova, Sofiia	1448	BUL	−22B	−32N	+99B	−50N	−64B	+86N	−61B	+92N	−68N	3.0	32.0	33.5	6.50	787	-64.0
83	Burvanov, Yulian	1447	BUL	−30N	=91B	+78N	−33B	−40N	−54B	+93N	−51B	=94N	3.0	31.5	33.5	7.50	1379	-21.2
84	Ivanova, Darina	1467	BUL	−36B	−48N	−64B	+99N	+94B	−50N	−69B	+87N	−58B	3.0	31.0	32.5	6.50	1372	-27.6
85	Dimitrov, Dimitar D.	0	BUL	F	−63B	+91N	−75B	+97N	+71B	−18N	−54B	−51N	3.0	30.0	30.0	7.50	1529	0.0
86	Di Ferdinando, Massimo	0	BUL	−57B	−61N	+79B	−70N	−39N	−82B	+102N	−96B	+100B	3.0	26.5	27.0	5.00	1243	0.0
87	Burvanova, Niya	1424	BUL	−25N	−50N	+104B	−66B	−90N	+102B	−77N	−84B	+93B	3.0	25.5	25.5	2.50	759	-85.2
88	Todorova, Miroslava	0	BUL	−52N	F	−37B	=71B	=77N	+90B	−54N	=69N	−44B	2.5	32.5	32.5	8.25	1459	0.0
89	Ivanova, Nikol	1415	BUL	−62B	−66N	+102B	−17N	−68N	+96B	=90N	−53B	−81B	2.5	30.5	31.0	3.75	1313	-38.0
90	Slavchev, Hristo	1522	BUL	−9N	+99B	−43B	−92N	+87B	−88N	=89B	F	−55N	2.5	26.5	28.0	5.75	1508	-6.8
91	Mochovski, Salih	1572	BUL	−4B	=83N	−85B	−55N	F	+98N	−70B	−65B	=73N	2.0	30.5	31.0	4.75	1265	-61.6
92	FIDE 2969475	0	—	−37B	−74N	F	+90B	−41N	−17B	−68N	−82B	+102N	2.0	29.5	29.5	3.00	1223	0.0
93	Vancheva, Yana	0	BUL	=54N	−72B	−77N	+81B	−76N	−70N	−83B	=102B	−87N	2.0	28.5	29.0	6.00	1316	0.0
94	Yordanova, Yoana K.	0	BUL	F	−30B	−52N	−53B	−84N	+101N	−79B	=99N	=83B	2.0	26.0	26.0	3.25	1293	0.0
95	Nikolov, Nikolay Ang.	1887	BUL	−51N	+81B	+66N	−47B	F	F	F	F	F	2.0	16.5	16.5	7.50	1565	-58.4
96	Kapitanski, Furion	1651	BUL	F	F	F	F	F	−89N	F	+86N	+99B	2.0	7.0	7.0	4.50	615	-32.0
97	Tsvetkova, Kalina	1567	BUL	−8B	+101N	−16B	=49N	−85B	−55N	F	F	F	1.5	26.5	26.5	3.25	1610	-7.6
98	Kamenov, Mihail	0	BUL	−60N	−46B	+80N	=67B	−71N	−91B	F	F	F	1.5	26.0	26.0	5.50	1364	0.0
99	FIDE 2967707	0	—	−47B	−90N	−82N	−84B	−79B	F	+100N	=94B	−96N	1.5	21.5	21.5	2.00	739	0.0
100	Boneva, Ema	0	BUL	−20B	−75N	−18B	−80N	+104B	−79N	−99B	F	−86N	1.0	26.5	26.5	0.00	804	0.0
101	Todorov, Momchil Kaloyan	1412	BUL	−26N	−97B	−71N	+104N	−81B	−94B	F	F	F	1.0	16.5	16.5	0.00	795	-43.2
102	FIDE 2964104	0	—	−41N	−76B	−89N	F	−80B	−87N	−86B	=93N	−92B	0.5	24.5	24.5	1.00	687	0.0
103	Sarisac, Mehmet	1405	TUR	−13N	−27B	=81N	−54B	F	F	F	F	F	0.5	21.5	21.5	1.75	1266	-23.2
104	FIDE 2962330	0	—	−69B	−53N	−87N	−101B	−100N	F	F	F	F	0.0	15.0	15.0	0.00	700	0.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Dere, Ali MeteTUR
+131.6
6.0 pts · #26
2Gokce, AlperenTUR
+107.6
5.0 pts · #23
3Kasimoglu, Kaan CinarTUR
+91.6
5.5 pts · #38

Top rating losers

1Nikolov, Jordan V.BUL
-96.6
3.5 pts · #70
2Burvanova, NiyaBUL
-85.2
3.0 pts · #103
3Taskov, AtanasBUL
-69.2
4.0 pts · #66

Biggest upsets

R9+485 Elo gap
Kocaman, Ahmet Eymen1515 beat Nikolov, Jordan V.2000
R8+440 Elo gap
Kasimoglu, Kaan Cinar1560 beat Nikolov, Jordan V.2000
R3+416 Elo gap
Gokce, Alperen1584 beat Nikolov, Jordan V.2000