Ecclesia Easter Chess Tournament 2026

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66 players participated in this 8-round tournament, held from 11 Apr 2026 to 19 Apr 2026 in Cheonan, South Korea. 3 titled players from 5 federations. Top 10 Elo average was 1933, and top seed was Vitalii Bachin (🇷🇺 RUS, IM, 2203).

Sergey Muratov (🇷🇺 RUS, FM, 2037) won with 6.5/8, ahead of Vitalii Bachin (6.5) and Minseong Lee (6.0). Muratov shared the lead from round 7, winning on tie-break.

The biggest upset came in round 2: Haseong Son (1589) beat Sihoo Park (2020), a +431-point gap.

Location

🇰🇷Cheonan, South Korea

Dates

11 Apr 2026 → 19 Apr 2026

Time control

Standard: 90 minutes with 30 second increment from move 1

System

Swiss · 8 rounds

Top seed

🇷🇺IMVitalii Bachin2203

Avg top 10

1,933

Participants

Titled players · 3

IM×1

FM×1

WCM×1

Federations · 5 represented

🇰🇷South Korea×33

🇷🇺Russia×2

🇺🇿Uzbekistan×1

🇰🇿Kazakhstan×1

🇩🇪Germany×1

Top 3

🥇
FMSergey Muratov
🇷🇺RUS·2037
6.5pts·2292perf+32.2
🥈
IMVitalii Bachin
🇷🇺RUS·2203
6.5pts·2085perf-6.5
🥉
Minseong Lee
🇰🇷KOR·1878
6.0pts·1987perf+42.4

How it unfolded

Top 6 · 8 rounds

Tight race until R8; 2 players tied at 6.5/8, decided on Buchholz. Title race narrowed from 2 co-leaders at R4 to 2 at the finish.

Co-leaders

Muratov6.5Bachin6.5Kim6Lee6Meiyazhagan6Lee5.5— ex-leaders:Liled R5, #10

R6 · LEADER CHANGE18 Apr

Minseong Lee takes the sole lead (5.5/6).

R8 · TIEBREAK CLUSTER

2 players finish on 6.5/8. Muratov takes the title on Buchholz Cut1 (39.5).

R5 · HEAD-TO-HEAD · WINNER VS 2ND

FM Sergey Muratov beat IM Vitalii Bachin (White).

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1FMSergey Muratov	*	1	—	1
2IMVitalii Bachin	0	*	1	½
3Yegeon Kim	—	0	*	—
4Minseong Lee	0	½	—	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	R6	R7	R8	Pts	Bu C1	Bu	SB	Perf	Δ
1	Muratov, SergeyFM	2037	RUS	F	+15N	=7B	+4N	+2B	+10N	+3B	+6N	6.5	39.5	39.5	36.75	2292	+32.2
2	Bachin, VitaliiIM	2203	RUS	+45N	+20B	+8N	=3B	−1N	+25B	+5N	+10N	6.5	37.5	40.0	30.50	2085	-6.5
3	Lee, Minseong	1878	KOR	+60N	+19B	+13N	=2N	+16B	+12B	−1N	=4B	6.0	39.0	40.0	27.25	1987	+42.4
4	Meiyazhagan, Kaviinayan	1847	KOR	+65N	+24B	+25N	−1B	+15N	=6N	+10B	=3N	6.0	36.0	36.0	23.75	1963	+38.0
5	Kim, Yegeon	1860	KOR	+28B	+30N	+43B	+7N	−10B	+16N	−2B	+13N	6.0	35.0	38.0	26.50	1930	+27.6
6	Lee, Jiwoo	1956	KOR	+59N	+9B	+12N	−10B	+20N	=4B	+8N	−1B	5.5	38.0	39.0	24.50	1878	-20.8
7	Park, HaneulWCM	1772	KOR	+50N	+33B	=1N	−5B	+11N	−14B	+15N	+26B	5.5	35.5	38.0	23.75	1835	+22.8
8	Kha, Unkho	1780	KOR	+64B	+27N	−2B	=11N	+36B	+13N	−6B	+21N	5.5	34.0	34.5	20.00	1800	+5.4
9	Jeon, Hyeongho	1611	KOR	+42B	−6N	+29B	+40N	−12N	+31B	+14N	=17B	5.5	31.5	34.5	21.50	1778	+20.2
10	Li, Artem Serg	1807	KOR	+46B	+21N	+26B	+6N	+5N	−1B	−4N	−2B	5.0	39.0	41.5	22.50	1907	+36.4
11	Malibekov, Artur	1542	KOR	+23N	+18B	−17N	=8B	−7B	+22N	=16B	+38N	5.0	35.0	38.0	22.25	1722	+40.0
12	Khan, Vassiliy	1732	KOR	+34B	+49N	−6B	+24N	+9B	−3N	+19B	−18N	5.0	35.0	37.5	21.00	1708	-8.0
13	Jang, Junyoung	1716	KOR	+58N	+31B	−3B	+30N	+14N	−8B	+20N	−5B	5.0	35.0	37.0	19.50	1783	+13.4
14	Park, Sihoo	2020	KOR	+22B	−26N	+37B	+19N	−13B	+7N	−9B	+24N	5.0	33.5	37.0	22.50	1659	-94.0
15	Pak, Maksim	1616	KOR	+44N	−1B	+49B	+22N	−4B	+27N	−7B	+28N	5.0	33.5	36.0	18.00	1583	-10.8
16	Gon, Andrei	1736	KOR	=41N	+36B	+57B	+18N	−3N	−5B	=11N	+32B	5.0	32.5	34.5	18.50	1747	+1.2
17	Yugay, Denis	1752	UZB	+29B	=37N	+11B	−43N	+21B	+26N	−18B	=9N	5.0	31.5	34.5	22.00	1660	-28.4
18	Bilegsaikhan, Erdenesaikhan	1941	KOR	+51B	−11N	+28B	−16B	F	+24N	+17N	+12B	5.0	30.5	33.0	20.50	1691	-48.0
19	Kim, Valeriy	1551	KAZ	+53B	−3N	+56B	−14B	+29N	+39B	−12N	+27N	5.0	29.0	31.0	15.00	1562	0.0
20	Ogay, Anastassiya	1647	KOR	+61B	−2N	+46B	+31N	−6B	+30N	−13B	=36N	4.5	31.0	32.0	13.25	1641	-6.8
21	Choi, Jungwoon	1512	KOR	+52N	−10B	+54N	=25B	−17N	+32B	+33N	−8B	4.5	29.5	31.5	14.00	1446	-8.0
22	Engel, Simon	0	GER	−14N	+61B	+38N	−15B	=23N	−11B	+59N	+31B	4.5	27.5	28.5	11.25	1465	0.0
23	Ni, Viktoriia	0	KOR	−11B	−46N	+?B	+60N	=22B	−28N	+37B	+49N	4.5	23.0	23.0	9.25	1482	0.0
24	Choi, Jiwan	0	KOR	+54B	−4N	+42B	−12B	+34N	−18B	+29N	−14B	4.0	32.0	34.0	13.00	1085	0.0
25	Khvan, Viacheslav	1686	KOR	+56B	+55N	−4B	=21N	+37B	−2N	=36B	−30N	4.0	30.0	32.0	11.50	1531	-67.6
26	Son, Haseong	1589	KOR	+48N	+14B	−10N	+32B	F	−17B	+41N	−7N	4.0	30.0	30.0	14.50	1636	+4.4
27	Kim, Mikhail Den	1481	KOR	+38N	−8B	−39N	+44B	+42N	−15B	+34N	−19B	4.0	28.5	31.5	13.00	839	-36.0
28	FIDE 13240471	0	—	−5N	+48B	−18N	+54B	−39N	+23B	+52N	−15B	4.0	28.0	30.0	11.00	1004	0.0
29	Kim, Daniil Vlad	0	KOR	−17N	+52B	−9N	+38B	−19B	+40N	−24B	+53N	4.0	27.5	29.5	10.00	825	0.0
30	Cho, Haedeun	1524	KOR	+62N	−5B	+53N	−13B	F	−20B	+39N	+25B	4.0	26.5	27.5	10.00	1545	+4.4
31	Kutbidinov, Aydar	1428	KOR	+66B	−13N	+47B	−20B	+48N	−9N	+55B	−22N	4.0	26.5	26.5	7.00	849	-30.4
32	Chen, Konstantin	0	KOR	+47B	−43N	+55B	−26N	+40B	−21N	+54B	−16N	4.0	24.0	26.0	9.50	827	0.0
33	Osipenko, Arina	0	KOR	+39B	−7N	−40B	−57N	+44B	+53N	−21B	+54N	4.0	23.0	25.0	10.00	834	0.0
34	FIDE 13240366	0	—	−12N	−38B	+63N	+52B	−24B	+47N	−27B	+55N	4.0	22.5	23.5	7.50	807	0.0
35	Li, Adelina	0	KOR	−43B	−47N	+66B	−48N	−38B	+61N	+40B	+52N	4.0	17.0	17.0	6.00	867	0.0
36	Kim, Dohun	1513	KOR	=40B	−16N	F	+39B	−8N	+45B	=25N	=20B	3.5	27.5	28.0	11.25	1530	+2.8
37	Kim, Artem D	1406	KOR	+63N	=17B	−14N	+45B	−25N	−41B	−23N	+39B	3.5	27.0	28.0	9.00	1497	+6.8
38	FIDE 13235125	0	—	−27B	+34N	−22B	−29N	+35N	+42B	F	−11B	3.0	28.5	31.0	11.00	712	0.0
39	Ten, Amir	0	KOR	−33N	+50B	+27B	−36N	+28B	−19N	−30B	−37N	3.0	28.0	30.5	10.50	1251	0.0
40	FIDE 13238086	0	—	=36N	=45B	+33N	−9B	−32N	−29B	−35N	+59B	3.0	27.5	28.5	8.00	1362	0.0
41	FIDE 13239430	0	—	=16B	−57N	−45N	+47B	F	+37N	−26B	=50N	3.0	22.0	22.0	9.75	1586	0.0
42	FIDE 13232363	0	—	−9N	+59B	−24N	+49B	−27B	−38N	+60B	−?N	3.0	21.0	21.0	4.50	739	0.0
43	Son, Juwon	1670	KOR	+35N	+32B	−5N	+17B	F	F	F	F	3.0	19.0	19.0	13.00	1804	+14.4
44	FIDE 13230840	0	—	−15B	=51N	=59B	−27N	−33N	−?B	+?N	+61B	3.0	17.5	17.5	2.75	747	0.0
45	FIDE 13236857	0	—	−2B	=40N	+41B	−37N	+51B	−36N	F	F	2.5	25.0	25.0	7.00	912	0.0
46	FIDE 13230913	0	—	−10N	+23B	−20N	+62B	F	F	F	=47N	2.5	24.5	24.5	6.75	921	0.0
47	FIDE 13224999	0	—	−32N	+35B	−31N	−41N	+61B	−34B	−49N	=46B	2.5	24.0	25.0	6.25	657	0.0
48	FIDE 13238990	0	—	−26B	−28N	+65N	+35B	−31B	−55N	−50B	=51N	2.5	23.0	23.0	5.25	727	0.0
49	FIDE 13232649	0	—	F	−12B	−15N	−42N	=53B	+60N	+47B	−23B	2.5	23.0	23.0	4.50	873	0.0
50	FIDE 13238108	0	—	−7B	−39N	F	+66N	F	−52B	+48N	=41B	2.5	19.0	19.0	4.00	964	0.0
51	FIDE 13224786	0	—	−18N	=44B	=62N	=53B	−45N	=59B	−?N	=48B	2.5	17.0	17.0	4.75	1141	0.0
52	FIDE 13241575	0	—	−21B	−29N	F	−34N	+58B	+50N	−28B	−35B	2.0	25.5	27.5	4.50	703	0.0
53	FIDE 13238167	0	—	−19N	+60B	−30B	=51N	=49N	−33B	F	−29B	2.0	24.0	25.0	3.50	720	0.0
54	FIDE 13240412	0	—	−24N	+65B	−21B	−28N	+60B	F	−32N	−33B	2.0	24.0	24.0	1.00	703	0.0
55	FIDE 13239872	0	—	F	−25B	−32N	−56N	+64B	+48B	−31N	−34B	2.0	21.0	21.0	3.00	800	0.0
56	FIDE 13230824	0	—	−25N	+63B	−19N	+55B	F	F	F	F	2.0	16.0	16.0	3.00	835	0.0
57	FIDE 13240927	0	—	F	+41B	−16N	+33B	F	F	F	F	2.0	12.0	12.0	7.00	940	0.0
58	Kim, Ilya Ar	0	KOR	−13B	+66N	F	F	−52N	+?B	F	F	2.0	9.0	9.0	0.00	914	0.0
59	FIDE 13239449	0	—	−6B	−42N	=44N	−?B	F	=51N	−22B	−40N	1.0	21.5	21.5	2.75	1155	0.0
60	FIDE 13241362	0	—	−3B	−53N	+61N	−23B	−54N	−49B	−42N	−?B	1.0	21.0	21.0	1.00	1077	0.0
61	FIDE 13239457	0	—	−20N	−22N	−60B	+65B	−47N	−35B	F	−44N	1.0	20.0	20.0	0.00	835	0.0
62	FIDE 13241605	0	—	−30B	=64N	=51B	−46N	F	F	F	F	1.0	12.0	12.0	1.50	711	0.0
63	FIDE 13227521	0	—	−37B	−56N	−34B	+?N	F	F	F	F	1.0	9.5	9.5	0.00	620	0.0
64	FIDE 13230832	0	—	−8N	=62B	F	F	−55N	F	F	F	0.5	13.0	13.0	0.50	976	0.0
65	FIDE 13238159	0	—	−4B	−54N	−48B	−61N	F	F	F	F	0.0	12.5	12.5	0.00	1046	0.0
66	FIDE 13238175	0	—	−31N	−58B	−35N	−50B	F	F	F	F	0.0	12.5	12.5	0.00	657	0.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Lee, MinseongKOR
+42.4
6.0 pts · #4
2Malibekov, ArturKOR
+40.0
5.0 pts · #17
3Meiyazhagan, KaviinayanKOR
+38.0
6.0 pts · #8

Top rating losers

1Park, SihooKOR
-94.0
5.0 pts · #12
2Khvan, ViacheslavKOR
-67.6
4.0 pts · #16
3Bilegsaikhan, ErdenesaikhanKOR
-48.0
5.0 pts · #18

Biggest upsets

R2+431 Elo gap
Son, Haseong1589 beat Park, Sihoo2020
R7+409 Elo gap
Jeon, Hyeongho1611 beat Park, Sihoo2020
R2+399 Elo gap
Malibekov, Artur1542 beat Bilegsaikhan, Erdenesaikhan1941