3rd Ecclesia standard Chess Tournament (U1800)

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76 players participated in this 8-round tournament, held from 26 Jul 2025 to 27 Jul 2025 in Cheonan, South Korea. 2 federations represented. Top 10 Elo average was 1751, and top seed was Andrei Gon (🇰🇷 KOR, 1796).

Minseong Lee (🇰🇷 KOR, 1733) won with 7.0/8, ahead of Unkho Kha (7.0) and Jongho Chang (6.5). Lee took the lead from round 7, winning on tie-break.

The biggest upset came in round 4: Dohyun Bae (1540) beat Andrei Gon (1796), a +256-point gap.

Location

🇰🇷Cheonan, South Korea

Dates

26 Jul 2025 → 27 Jul 2025

Time control

Standard: 60 minutes for game

System

Swiss · 8 rounds

Top seed

🇰🇷Andrei Gon1796

Avg top 10

1,751

Participants

Federations · 2 represented

🇰🇷South Korea×55

🇺🇸United States of America×2

Top 3

🥇
Minseong Lee
🇰🇷KOR·1733
7.0pts·2104perf+91.2
🥈
Unkho Kha
🇰🇷KOR·1712
7.0pts·1875perf+40.0
🥉
Jongho Chang
🇰🇷KOR
6.5pts·1792perf0.0

How it unfolded

Top 6 · 8 rounds

Tight race until R7; 2 players tied at 7.0/8, decided on Buchholz. Title race narrowed from 4 co-leaders at R4 to 2 at the finish.

Co-leaders

Lee7Kha7Chang6.5Han6.5Pak6Kim6— ex-leaders:Khaled R6, #7

R7 · LEADER CHANGE27 Jul

Minseong Lee takes the sole lead (6.5/7).

R8 · TIEBREAK CLUSTER

2 players finish on 7.0/8. Lee takes the title on Buchholz Cut1 (42.0).

R7 · HEAD-TO-HEAD · WINNER VS 2ND

Minseong Lee beat Unkho Kha (White).

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1Minseong Lee	*	1	—	½
2Unkho Kha	0	*	1	—
3Jongho Chang	—	0	*	1
4Giuk Han	½	—	0	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	R6	R7	R8	Pts	Bu C1	Bu	SB	Perf	Δ
1	Lee, Minseong	1733	KOR	=44B	+7N	+8B	+15N	+5B	+6N	+2B	=4B	7.0	42.0	45.5	40.50	2104	+91.2
2	Kha, Unkho	1712	KOR	+70N	+23B	+25N	+13B	+36N	+3B	−1N	+18B	7.0	36.5	38.5	31.50	1875	+40.0
3	Chang, Jongho	0	KOR	+39N	+18B	+17N	+9B	+4B	−2N	=5B	+14N	6.5	40.0	44.0	34.00	1792	0.0
4	Han, Giuk	1737	KOR	+66N	+20B	+10N	+61B	−3N	+19B	+18B	=1N	6.5	37.0	39.5	29.50	2045	+35.0
5	Pak, Daniil	1592	KOR	+76B	=14N	+27B	+31N	−1N	+11B	=3N	+17B	6.0	37.5	37.5	24.75	1909	+49.6
6	Kim, Minjae	1770	KOR	+67B	+46N	−16B	+25N	+61B	−1B	+21N	+15N	6.0	33.0	35.5	23.50	1740	-4.0
7	Eom, Huisang	1757	KOR	−24N	−1B	+63N	+64B	+69N	+51B	+23N	+16B	6.0	29.5	31.5	20.00	1782	+3.0
8	Kim, Yongho	0	KOR	+29N	+11B	−1N	=10B	−9N	+25B	+27B	+31N	5.5	37.0	41.0	25.75	1720	0.0
9	Park, Kun	1780	KOR	+69B	+33N	=15B	−3N	+8B	=16N	=26B	+13B	5.5	35.5	37.5	23.75	1715	-7.0
10	Kim, Aleksandr Gavr	1622	KOR	+34B	+49N	−4B	=8N	−24B	+28N	+44B	+23N	5.5	33.0	36.5	22.75	1637	+2.0
11	Lee, Hwanseo	1653	KOR	+40B	−8N	+28B	=24N	+44B	−5N	+46B	+26N	5.5	32.5	36.0	22.25	1705	+8.4
12	Lee, Doyun A	1686	KOR	+64N	−25B	+48N	+51B	=23N	−13B	+24N	+29B	5.5	29.5	32.0	20.25	1613	-14.8
13	Choe, Matthew Hajoon	0	KOR	+?N	+19B	+32B	−2N	=15B	+12N	=17B	−9N	5.0	37.0	37.0	19.50	1714	0.0
14	Gon, Andrei	1796	KOR	+56N	=5B	=24N	−23B	+45N	+20B	+19N	−3B	5.0	35.0	38.0	21.75	1700	-19.2
15	Jun, Sanghui	1653	KOR	+54N	+48B	=9N	−1B	=13N	+41B	+31N	−6B	5.0	35.0	38.0	19.75	1677	+4.0
16	Yan, Nikita	1635	KOR	+63N	+38B	+6N	−36B	=17N	=9B	+32B	−7N	5.0	34.5	37.5	22.25	1738	+33.6
17	Li, Artem Serg	1706	KOR	+57B	+45N	−3B	+46N	=16B	+21B	=13N	−5N	5.0	34.5	37.5	20.00	1640	-11.6
18	Gim, Hajin	1668	KOR	+59B	−3N	+69B	+52N	+26B	+36B	−4N	−2N	5.0	34.5	36.5	16.50	1727	+18.4
19	Park, Gwanyong	1664	KOR	+28B	−13N	+58B	+53N	+47B	−4N	−14B	+35N	5.0	31.5	34.5	18.00	966	-28.8
20	Alimbekova, Aibiike	1548	KOR	+75B	−4N	−47B	+40N	+35B	−14N	+43B	+32N	5.0	31.0	31.0	16.00	1607	+8.4
21	Park, Sewoong	0	KOR	+?B	−26N	+45B	+22N	+32B	−17N	−6B	+53N	5.0	31.0	31.0	15.50	1619	0.0
22	Son, Juwon	1575	KOR	+65N	−31N	+55B	−21B	−41N	+57N	+34B	+37B	5.0	27.0	29.5	16.50	971	-10.0
23	Bae, Dohyun	1540	KOR	+47B	−2N	+35B	+14N	=12B	+27N	−7B	−10B	4.5	37.5	41.0	19.75	1645	+31.2
24	Holling, Robert D	0	USA	+7B	=27N	=14B	=11B	+10N	−32N	−12B	+46N	4.5	36.0	39.5	22.50	1690	0.0
25	Shin, Daria	1496	KOR	+35B	+12N	−2B	−6B	=38N	−8N	+39B	+44N	4.5	36.0	39.5	19.00	1597	+14.4
26	I, Mark	1605	KOR	+55N	+21B	−36N	+37B	−18N	+42B	=9N	−11B	4.5	33.0	36.0	18.75	1389	-37.6
27	Kim, Doomin	1642	KOR	+50N	=24B	−5N	+42B	+54N	−23B	−8N	+45B	4.5	31.5	34.5	16.25	1389	-40.0
28	Khvan, Vladimir	0	KOR	−19N	+39B	−11N	=33N	+43B	−10B	+55N	+52N	4.5	31.0	34.0	16.00	1451	0.0
29	Pak, Maksim	1584	KOR	−8B	+44N	+40B	−47N	+57B	=46N	+30B	−12N	4.5	30.0	33.0	16.75	1586	-0.4
30	Kim, Siho	1529	KOR	−38N	+50B	−37N	=34B	+60N	+54B	−29N	+47B	4.5	26.5	29.5	15.00	1527	-0.4
31	Kim, Keonwoo	1773	KOR	+41N	+22B	−61N	−5B	+53B	+47N	−15B	−8B	4.0	32.0	35.0	15.50	1421	-72.8
32	Lee, Yunseo	1667	KOR	+73N	+53B	−13N	+41B	−21N	+24B	−16N	−20B	4.0	31.5	33.0	13.00	791	-48.0
33	Kim, Evgenii Vlad	1591	KOR	+74N	−9B	−41N	=28B	=34N	+38B	−37N	+54B	4.0	29.0	29.5	11.75	981	-10.0
34	Kim, Mikhail Den	0	KOR	−10N	−51B	+56N	=30N	=33B	+48B	−22N	+65B	4.0	28.5	31.0	13.25	1314	0.0
35	Ni, Viktoriia	0	KOR	−25N	+64B	−23N	+48B	−20N	+56B	+51N	−19B	4.0	28.5	31.0	12.00	1299	0.0
36	Sung, Jaehyun	1748	KOR	+58B	+52N	+26B	+16N	−2B	−18N	F	F	4.0	27.5	27.5	15.50	1690	-7.0
37	Oh, Junbeom	0	KOR	−52B	+57N	+30B	−26N	+?B	−44N	+33B	−22N	4.0	27.5	27.5	11.50	1539	0.0
38	Na, Minho	0	KOR	+30B	−16N	−52B	+58N	=25B	−33N	=54N	+70B	4.0	27.0	29.0	13.25	1395	0.0
39	FIDE 13227530	0	—	−3B	−28N	+73N	+65B	−51N	+70B	−25N	+59B	4.0	26.0	27.5	9.00	674	0.0
40	Kim, Dohun	0	KOR	−11N	+?B	−29N	−20B	+68N	−45B	+69N	+51B	4.0	26.0	26.0	7.50	1290	0.0
41	Choi, Yeonwook	0	KOR	−31B	+76N	+33B	−32N	+22B	−15N	+52B	F	4.0	25.0	25.0	12.00	1621	0.0
42	Son, Joohyuk	0	KOR	−45B	+59N	+?B	−27N	+52B	−26N	−53B	+57N	4.0	24.5	24.5	9.00	1447	0.0
43	Osipenko, Arina	0	KOR	+60N	−61B	−51N	+66B	−28N	+69B	−20N	+56N	4.0	24.0	26.0	10.50	1333	0.0
44	Hwang, Siwoo	0	KOR	=1N	−29B	+65N	+60B	−11N	+37B	−10N	−25B	3.5	34.0	36.5	13.00	1399	0.0
45	Son, Haseong	1412	KOR	+42N	−17B	−21N	+55B	−14B	+40N	=49B	−27N	3.5	31.0	34.0	12.75	914	-18.4
46	Tyan, Dmitriy	1546	KOR	+68N	−6B	+66N	−17B	+70N	=29B	−11N	−24B	3.5	30.5	32.5	9.25	1356	-31.6
47	Malibekov, Artur	0	KOR	−23N	+70B	+20N	+29B	−19N	−31B	=?B	−30N	3.5	29.5	29.5	11.50	1483	0.0
48	Chen, Konstantin	0	KOR	+71B	−15N	−12B	−35N	+67B	−34N	+64B	=50N	3.5	27.0	29.0	8.75	869	0.0
49	Relph, Winston James	0	KOR	+51N	−10B	−53N	−70B	+73N	+60B	=45N	−?N	3.5	21.5	21.5	9.25	1483	0.0
50	FIDE 13224662	0	—	−27B	−30N	+?B	−?N	−56N	+63B	+66N	=48B	3.5	21.0	21.0	7.25	744	0.0
51	Ten, Amir	1437	KOR	−49B	+34N	+43B	−12N	+39B	−7N	−35B	−40N	3.0	31.5	35.0	12.00	921	-14.0
52	Lang, Gary M	1474	USA	+37N	−36B	+38N	−18B	−42N	+64B	−41N	−28B	3.0	29.5	32.0	10.50	906	-16.8
53	Alimbekov, Umar	0	KOR	+62B	−32N	+49B	−19B	−31N	F	+42N	−21B	3.0	28.5	30.5	10.50	900	0.0
54	FIDE 13226665	0	—	−15B	=71N	+72B	+67N	−27B	−30N	=38B	−33N	3.0	26.5	28.5	7.50	803	0.0
55	Kim, Pavel Yur	0	KOR	−26B	+56B	−22N	−45N	=58B	+67N	−28B	=64N	3.0	26.0	28.5	8.25	731	0.0
56	Choi, Jiwan	0	KOR	−14B	−55N	−34B	+75N	+50B	−35N	+65N	−43B	3.0	26.0	26.0	6.00	996	0.0
57	FIDE 13234420	0	—	−17N	−37B	+74N	+62B	−29N	−22B	+?N	−42B	3.0	26.0	26.0	3.50	821	0.0
58	Huh, Inhyuk	0	KOR	−36N	+68B	−19N	−38B	=55N	−65B	+73N	=60B	3.0	24.0	25.5	7.00	1353	0.0
59	FIDE 13230913	0	—	−18N	−42B	−68N	+63B	+62N	−?N	+67B	−39N	3.0	24.0	24.0	8.50	762	0.0
60	Kim, Artem D	1459	KOR	−43B	=72N	+62B	−44N	−30B	−49N	+71B	=58N	3.0	23.5	25.5	7.50	730	-16.4
61	Cho, Haedeun	1638	KOR	+72B	+43N	+31B	−4N	−6N	F	F	F	3.0	22.5	22.5	10.00	1634	0.0
62	FIDE 13235125	0	—	−53N	+73B	−60N	−57N	−59B	−66B	+75N	+69B	3.0	18.0	18.0	3.50	667	0.0
63	FIDE 13235117	0	—	−16B	−?N	−7B	−59N	+75B	−50N	+74B	+?N	3.0	18.0	18.0	0.50	817	0.0
64	FIDE 13234552	0	—	−12B	−35N	+75B	−7N	+74B	−52N	−48N	=55B	2.5	25.5	25.5	2.00	839	0.0
65	FIDE 13230824	0	—	−22B	=67N	−44B	−39N	+71B	+58N	−56B	−34N	2.5	25.0	27.0	6.25	775	0.0
66	FIDE 13234307	0	—	−4B	+75N	−46B	−43N	−72B	+62N	−50B	=68N	2.5	25.0	25.0	4.25	839	0.0
67	FIDE 13235478	0	—	−6N	=65B	+71N	−54B	−48N	−55B	−59N	+73B	2.5	23.0	24.5	4.75	971	0.0
68	FIDE 13232363	0	—	−46B	−58N	+59B	−69N	−40B	+75N	−70N	=66B	2.5	20.0	20.0	4.25	742	0.0
69	FIDE 13213172	0	—	−9N	+74B	−18N	+68B	−7B	−43N	−40B	−62N	2.0	30.0	30.5	3.00	934	0.0
70	FIDE 13229044	0	—	−2B	−47N	F	+49N	−46B	−39N	+68B	−38N	2.0	28.0	28.0	6.00	827	0.0
71	FIDE 13224999	0	—	−48N	=54B	−67B	=72N	−65N	=73B	−60N	=74B	2.0	18.0	18.5	3.50	667	0.0
72	Kim, Ilya Ar	0	KOR	−61N	=60B	−54N	=71B	+66N	F	F	F	2.0	16.5	16.5	5.00	1358	0.0
73	FIDE 13230867	0	—	−32B	−62N	−39B	+?N	−49B	=71N	−58B	−67N	1.5	22.0	22.0	1.00	866	0.0
74	FIDE 13230875	0	—	−33B	−69N	−57B	F	−64N	−?B	−63N	=71N	0.5	16.5	16.5	1.00	788	0.0
75	FIDE 13230840	0	—	−20N	−66B	−64N	−56B	−63N	−68B	−62B	F	0.0	21.5	21.5	0.00	747	0.0
76	FIDE 13231626	0	—	−5N	−41B	F	F	F	F	F	F	0.0	12.0	12.0	0.00	792	0.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Lee, MinseongKOR
+91.2
7.0 pts · #2
2Pak, DaniilKOR
+49.6
6.0 pts · #5
3Kha, UnkhoKOR
+40.0
7.0 pts · #7

Top rating losers

1Kim, KeonwooKOR
-72.8
4.0 pts · #38
2Lee, YunseoKOR
-48.0
4.0 pts · #74
3Kim, DoominKOR
-40.0
4.5 pts · #39

Biggest upsets

R4+256 Elo gap
Bae, Dohyun1540 beat Gon, Andrei1796
R2+190 Elo gap
Shin, Daria1496 beat Lee, Doyun A1686
R4+181 Elo gap
Pak, Daniil1592 beat Kim, Keonwoo1773