27th Asian Youth Chess Championships 2025 - U10

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83 players participated in this 9-round tournament, held from 22 Nov 2025 to 29 Nov 2025 in Bangkok, Thailand. 11 titled players from 8 federations. Top 10 Elo average was 2056, and top seed was Le Phan Hoang Quan (🇻🇳 VIE, CM, 2195).

Nguyen Xuan Phuong (🇻🇳 VIE, CM, 2004) won with 7.5/9, ahead of Artem Den Tsepilov (7.5) and Rizat Ulan (7.0). Phuong shared the lead from round 7, winning on tie-break.

The biggest upset came in round 1: Jinwoo Lee (1627) beat Le Phan Hoang Quan (CM, 2195), a +568-point gap.

Location

🇹🇭Bangkok, Thailand

Dates

22 Nov 2025 → 29 Nov 2025

Time control

Standard: 90 minutes with 30 second increment from move 1

System

Swiss · 9 rounds

Top seed

🇻🇳CMLe Phan Hoang Quan2195

Avg top 10

2,056

Participants

Titled players · 11

CM×11

Federations · 8 represented

🇸🇬Singapore×17

🇹🇭Thailand×9

🇨🇳China×7

🇮🇳India×7

🇰🇷South Korea×5

🇰🇿Kazakhstan×5

🇻🇳Vietnam×4

🇦🇺Australia×2

Top 3

🥇
CMNguyen Xuan Phuong
🇻🇳VIE·2004
7.5pts·2172perf+75.2
🥈
CMArtem Den Tsepilov
FID·1910
7.5pts·2170perf+120.0
🥉
CMRizat Ulan
🇰🇿KAZ·2086
7.0pts·2152perf+31.6

How it unfolded

Top 6 · 9 rounds

Tight race until R8; 2 players tied at 7.5/9, decided on Buchholz. Title race narrowed from 2 co-leaders at R4 to 2 at the finish.

Co-leaders

Phuong7.5Tsepilov7.5Ulan7Rezapour6.5Nematillakhonov6.5Vinh6.5

R8 · LEADER CHANGE28 Nov

CM Nguyen Xuan Phuong takes the sole lead (7.0/8).

R9 · TIEBREAK CLUSTER

2 players finish on 7.5/9. Phuong takes the title on Buchholz Cut1 (50.0).

R5 · HEAD-TO-HEAD · WINNER VS 2ND

CM Nguyen Xuan Phuong drew with CM Artem Den Tsepilov (White).

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1CMNguyen Xuan Phuong	*	½	1	—
2CMArtem Den Tsepilov	½	*	0	—
3CMRizat Ulan	0	1	*	1
4Radman Rezapour	—	—	0	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	R6	R7	R8	R9	Pts	Bu C1	Bu	SB	Perf	Δ
1	Nguyen Xuan PhuongCM	2004	VIE	+49B	+36N	+26B	+13N	=2B	=4N	+6B	+3N	=5B	7.5	50.0	54.0	43.75	2172	+75.2
2	Tsepilov, Artem DenCM	1910	FID	+56B	+16N	+11B	+18N	=1N	−3B	+25N	+24B	+9N	7.5	48.0	52.0	41.25	2170	+120.0
3	Ulan, RizatCM	2086	KAZ	+62N	+15B	+19N	=12B	+7N	+2N	=4B	−1B	+24N	7.0	50.5	54.0	40.25	2152	+31.6
4	Nematillakhonov, NurmuhammadCM	1972	UZB	+48N	+31B	+9N	=7B	+12N	=1B	=3N	−8B	+21N	6.5	50.0	54.0	37.00	2102	+71.6
5	Mani, SarbarthoCM	2099	IND	+43B	+29N	=14B	=6N	=10B	=27N	+15B	+11N	=1N	6.5	48.0	52.5	37.00	2052	-12.8
6	Hoang Tan VinhCM	1912	VIE	+67B	+44N	=24N	=5B	+9N	+11B	−1N	+12B	=8N	6.5	48.0	51.0	34.50	2115	+102.8
7	Rezapour, Radman	2012	IRI	+38B	+37N	+10B	=4N	−3B	+17N	F	+26N	+23B	6.5	45.0	49.5	34.25	2141	+52.8
8	Le Phan Hoang QuanCM	2195	VIE	−28N	+55B	+43N	+37B	=13B	=10N	+27B	+4N	=6B	6.5	44.0	48.0	33.75	2027	-54.8
9	Yuan, Shunzhe	2067	CHN	+50B	+33N	−4B	+51N	−6B	+13N	+29B	+10N	−2B	6.0	46.5	50.5	30.00	1965	-37.6
10	Siverin, Vladislav	1910	FID	+58N	+28B	−7N	+31B	=5N	=8B	+30N	−9B	+20N	6.0	46.0	50.0	31.00	1973	+35.6
11	Anetov, AmirzhanCM	2008	KAZ	+59N	+20B	−2N	+57B	+21N	−6N	+33B	−5B	+30N	6.0	45.5	49.5	29.00	1929	-23.9
12	Oishik Mondal	1999	IND	+39B	+51N	+54B	=3N	−4B	+18N	=14B	−6N	+32B	6.0	45.0	49.0	29.50	1968	-2.0
13	Muhammad Shayan Noushad Ibrahim	1937	IND	+81B	+52N	+17B	−1B	=8N	−9B	+31N	+41N	=14B	6.0	45.0	46.5	26.75	2029	+50.8
14	Nidhish Shyamal	1998	IND	+34N	+40B	=5N	=24B	+48N	=25B	=12N	=21B	=13N	6.0	43.5	47.5	30.50	1958	-5.2
15	Amanbek, Dias	1799	KAZ	+42B	−3N	=38B	+39N	=27B	+52N	−5N	+28B	+34N	6.0	42.0	46.0	27.75	1835	+17.6
16	Liukasemsarn, Pakornnarong	1630	THA	+72N	−2B	+75N	+22B	+19N	−24B	−21N	+27N	+29B	6.0	42.0	44.5	26.50	1939	+107.6
17	Karunasena, A P Chenitha Sihas DinsaraCM	2043	SRI	+63N	+30B	−13N	=25B	+55N	−7B	+22N	−20B	+40N	5.5	42.0	45.5	25.00	1851	-71.6
18	Mirzhanov, ArlanCM	2017	KAZ	+45N	=25B	+22N	−2B	+65N	−12B	−20N	+62B	+44N	5.5	42.0	45.0	23.50	1795	-75.2
19	Bai, Moxuan	1982	CHN	+35B	+57N	−3B	+52N	−16B	=37N	=32B	=38N	+39B	5.5	40.5	44.5	24.50	1769	-75.6
20	Koh, En Jie Jonathan	1712	SGP	+68B	−11N	+53B	−41N	+49B	=26N	+18B	+17N	−10B	5.5	40.5	43.5	24.50	1897	+74.8
21	Yrysov, Timur	1848	KGZ	+61B	=66N	=65B	+54N	−11B	+51N	+16B	=14N	−4B	5.5	39.5	42.5	24.00	1814	-4.0
22	Li, Chengyue	1808	CHN	+53B	=65N	−18B	−16N	+66B	+39N	−17B	+45N	+38B	5.5	37.5	40.5	22.00	1757	-15.2
23	Wu, Po-Hua	1918	TPE	−66N	+70B	=50N	=40B	=45N	+48B	+44N	+25B	−7N	5.5	36.0	39.0	23.00	1718	-70.4
24	Sattwik SwainCM	2029	IND	+60B	+32N	=6B	=14N	+26B	+16N	F	−2N	−3B	5.0	49.5	53.5	26.25	1941	-28.0
25	Xia, Ziyi	1730	CHN	+47B	=18N	+66B	=17N	+41B	=14N	−2B	−23N	=26B	5.0	44.0	47.0	23.00	1908	+69.6
26	Tugsbilguun, Davganamdag	1869	MGL	+70N	+69B	−1N	+44B	−24N	=20B	+45N	−7B	=25N	5.0	41.5	44.5	20.25	1786	-29.2
27	Nazarbek, Alikhan	1835	KAZ	−54N	+61B	+60N	+49B	=15N	=5B	−8N	−16B	+50N	5.0	41.0	45.0	22.25	1748	-31.5
28	Lee, Jinwoo	1627	KOR	+8B	−10N	−41B	+56N	+42B	−29N	+67B	−15N	+53B	5.0	40.5	43.5	22.00	1752	+37.6
29	Mukhiddinov, Mirzohid	1807	UZB	+64N	−5B	+45N	−48B	+59N	+28B	−9N	+50B	−16N	5.0	40.0	43.5	21.00	1719	-40.8
30	Ong, Qi Yi	1741	SGP	+82B	−17N	=39B	=38N	+32B	+67N	−10B	+49N	−11B	5.0	38.5	39.5	17.50	1728	-7.6
31	Vishprajesh Anand	1649	IND	+74B	−4N	+47B	−10N	=54B	=65N	−13B	+67N	+49B	5.0	37.0	40.0	18.00	1665	-1.6
32	Manjunathan Janani, Yokgan	1732	SGP	+79N	−24B	+69N	=65B	−30N	+63B	=19N	+35B	−12N	5.0	36.0	37.5	17.25	1766	+9.6
33	Romualdez, Danry Seth	1755	PHI	+80N	−9B	−49N	+58B	+69N	+50B	−11N	−34B	+48N	5.0	36.0	37.5	16.50	1660	-39.6
34	Chu, Wa Ching David	1528	SGP	−14B	+68N	−37B	+78N	−51B	+75N	+52B	+33N	−15B	5.0	35.0	37.0	16.50	1628	+24.4
35	Munkh-Orgil, Munkhjargal	1528	MGL	−19N	−46B	+79N	+73B	=40N	=55B	+51B	−32N	+42B	5.0	35.0	36.5	17.25	1567	+7.6
36	Wee, Yu Heng Lucas John	1707	SGP	+77N	−1B	−48N	−46B	−63N	+74B	+73N	+66B	+58N	5.0	32.5	35.0	15.50	1471	-75.2
37	AlJamaat, Khaled	1719	QAT	F	−7B	+34N	−8N	+38B	=19B	=55N	=42N	+41B	4.5	41.0	41.0	21.00	1891	+57.6
38	Kurniawan, Alexander Philip	1559	INA	−7N	+83B	=15N	=30B	−37N	+70B	+48N	=19B	−22N	4.5	40.0	40.0	15.25	1708	+51.2
39	Bui Duc Khang	1528	VIE	−12N	+76B	=30N	−15B	+46N	−22B	+68N	+55B	−19N	4.5	39.5	42.0	16.50	1660	+35.6
40	Vivaan Chawla	1669	IND	+78B	−14N	=42B	=23N	=35B	+54N	−41B	+47N	−17B	4.5	39.5	41.5	18.00	1700	+1.2
41	Rayan Rashid Mugdho	2001	BAN	−69N	+56B	+28N	+20B	−25N	=44B	+40N	−13B	−37N	4.5	39.0	42.0	21.25	1692	-91.1
42	Machiraju, Pranav Anagh	0	SGP	−15N	+63B	=40N	=50B	−28N	+43B	+59N	=37B	−35N	4.5	37.5	41.0	18.50	1625	0.0
43	Huang, Junren	1620	SGP	−5N	+64B	−8B	−53N	+80B	−42N	+61B	+56N	=46N	4.5	37.5	39.0	15.25	1625	-7.6
44	Bae, Jaemin	1631	KOR	+75B	−6B	+72N	−26N	+53B	=41N	−23B	+65N	−18B	4.5	37.0	39.5	14.75	1667	+2.8
45	Tee, Yuan Khai Eamonn	1560	MAS	−18B	+82N	−29B	+68N	=23B	+57N	−26B	−22B	+64N	4.5	37.0	38.0	14.25	1679	+30.8
46	Rajesh, Nathaniel	0	SGP	−57B	+35N	−52B	+36N	−39B	+56N	−49B	+51N	=43B	4.5	35.0	39.0	20.25	1599	+68.0
47	Ho, Zhi Kai Avery	0	SGP	−25N	+59B	−31N	+60B	−50N	+69B	=63N	−40B	+62B	4.5	33.5	36.5	16.25	1597	0.0
48	Pang, Jun Rui	1524	SGP	−4B	+78N	+36B	+29N	−14B	−23N	−38B	+57N	−33B	4.0	41.5	43.5	16.00	1699	+49.2
49	Huang, Xizhan	1543	CHN	−1N	+77B	+33B	−27N	−20N	+71B	+46N	−30B	−31N	4.0	40.5	43.0	15.00	1568	+2.0
50	Guo, Tailai	1576	CHN	−9N	+80B	=23B	=42N	+47B	−33N	+53B	−29N	−27B	4.0	39.5	41.0	15.00	1598	-0.8
51	Ramanathan, Ashwin	1686	AUS	+76N	−12B	+58N	−9B	+34N	−21B	−35N	−46B	+75B	4.0	38.5	41.0	14.00	1545	-58.0
52	Youn, Laeho	1647	KOR	+73N	−13B	+46N	−19B	+72N	−15B	−34N	−58B	+67N	4.0	37.0	40.0	13.50	1514	-53.6
53	Vishwakarthi, Vihaan	1449	SGP	−22N	+62B	−20N	+43B	−44N	+60B	−50N	+63B	−28N	4.0	36.5	40.0	15.50	1590	+64.0
54	Song, Yuchen(SH)	1466	SGP	+27B	+71N	−12N	−21B	=31N	−40B	−62N	+68B	=55N	4.0	36.5	39.5	15.50	1576	+27.2
55	Herath, H M Vihanga Madhara	1691	SRI	=71B	−8N	+62B	+66N	−17B	=35N	=37B	−39N	=54B	4.0	36.5	39.5	14.75	1641	-28.0
56	Yeo, Si Xu Shane	1491	SGP	−2N	−41N	+82B	−28B	+73N	−46B	+71N	−43B	+69N	4.0	35.0	36.0	10.00	1397	-32.4
57	Yeap, Jing Chen	1654	SGP	+46N	−19B	+73N	−11N	−67B	−45B	+70N	−48B	+66N	4.0	33.5	36.5	13.50	1546	-55.2
58	kasemsup, Teetat	1503	THA	−10B	+74N	−51B	−33N	−76B	+83N	+72B	+52N	−36B	4.0	32.5	32.5	10.00	1497	-3.2
59	Djerbi, Mohamed	1548	QAT	−11B	−47N	+80B	+71N	−29B	+76N	−42B	=75N	=65B	4.0	31.0	32.5	9.75	1070	-9.2
60	Nisha Raj, Taran	1560	AUS	−24N	+79B	−27B	−47N	+77B	−53N	−76B	+71B	+70N	4.0	29.5	31.0	10.00	1492	-20.4
61	Akiyama, Kairi	1486	JPN	−21N	−27N	−78B	+64B	−75N	+77B	−43N	+73B	+81N	4.0	28.5	30.0	10.50	1568	+14.4
62	Shamsov, Ahmad	1592	TJK	−3B	−53N	−55N	+79B	=68B	+72N	+54B	−18N	−47N	3.5	35.0	36.5	10.00	1477	-35.6
63	Seifeddine, Ghazi	1563	LBN	−17B	−42N	=71B	+74N	+36B	−32N	=47B	−53N	=76B	3.5	34.5	37.0	13.00	1519	-12.8
64	Cao, Bangting	1447	SGP	−29B	−43N	=74B	−61N	+82B	−68N	+79B	+76N	−45B	3.5	28.0	29.0	6.50	821	-46.4
65	Zou, Liankai	0	CHN	F	=22B	=21N	=32N	−18B	=31B	=66N	−44B	=59N	3.0	38.0	38.0	14.00	1627	0.0
66	Pramudya Dylan Andrian	1516	INA	+23B	=21B	−25N	−55B	−22N	+81N	=65B	−36N	−57B	3.0	37.5	39.0	11.25	1584	+19.6
67	Nakthip, Nakorn	1514	THA	−6N	−72B	+77N	+75B	+57N	−30B	−28N	−31B	−52B	3.0	35.0	37.5	9.00	1434	-21.6
68	Karnjanaprapin, Thanapat	0	THA	−20N	−34B	+70N	−45B	=62N	+64B	−39B	−54N	=72N	3.0	33.5	36.5	9.75	1400	0.0
69	Yeo, Si Xun Shaun	1541	SGP	+41B	−26N	−32B	+76N	−33B	−47N	−75B	+78N	−56B	3.0	33.0	35.0	9.00	1513	-5.7
70	Kim, Siwon	1488	KOR	−26B	−23N	−68B	+82N	+78B	−38N	−57B	+74N	−60B	3.0	31.0	32.0	6.00	908	-51.2
71	Lee, Yu Xi Ansel	0	SGP	=55N	−54B	=63N	−59B	+81B	−49N	−56B	−60N	+78B	3.0	29.5	31.0	7.25	1343	0.0
72	Yarkin, Savely	0	RUS	−16B	+67N	−44B	+81N	−52B	−62B	−58N	=80N	=68B	3.0	29.5	31.0	6.75	1406	0.0
73	Taraphetsawad, Pasist	0	THA	−52B	+81N	−57B	−35N	−56B	+80N	−36B	−61N	+83B	3.0	29.0	29.0	3.00	1257	0.0
74	Shrestha, Saahas	0	NEP	−31N	−58B	=64N	−63B	=79N	−36N	+83B	−70B	+82N	3.0	26.5	26.5	3.50	1158	0.0
75	Tourteau, James	0	THA	−44N	F	−16B	−67N	+61B	−34B	+69N	=59B	−51N	2.5	33.5	33.5	9.00	1422	0.0
76	Linn Myat Aung A	0	MYA	−51B	−39N	F	−69B	+58N	−59B	+60N	−64B	=63N	2.5	30.5	30.5	9.75	1399	-42.0
77	Kijkamjai, Arthicha	0	THA	−36B	−49N	−67B	F	−60N	−61N	=81B	+79N	+80B	2.5	24.5	24.5	3.75	1142	0.0
78	Oppenheim, Tyler	0	THA	−40N	−48B	+61N	−34B	−70N	−79B	+82N	−69B	−71N	2.0	28.0	29.0	5.00	1267	0.0
79	FIDE 9335692	0	—	−32B	−60N	−35B	−62N	=74B	+78N	−64N	−77B	F	1.5	28.5	28.5	3.50	772	0.0
80	FIDE 4923650	0	—	−33B	−50N	−59N	+83B	−43N	−73B	F	=72B	−77N	1.5	26.0	26.0	1.50	819	0.0
81	Kim, Rian	1523	KOR	−13N	−73B	+83N	−72B	−71N	−66B	=77N	F	−61B	1.5	24.5	24.5	1.25	819	-37.6
82	Charyyev, Muhammetoraz	0	TKM	−30N	−45B	−56N	−70B	−64N	F	−78B	+83N	−74B	1.0	25.0	25.0	0.00	747	0.0
83	Kamolchotiros, Avan Yeap	0	THA	F	−38N	−81B	−80N	F	−58B	−74N	−82B	−73N	0.0	23.0	23.0	0.00	704	0.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Tsepilov, Artem DenCMFID
+120.0
7.5 pts · #2
2Liukasemsarn, PakornnarongTHA
+107.6
6.0 pts · #35
3Hoang Tan VinhCMVIE
+102.8
6.5 pts · #6

Top rating losers

1Rayan Rashid MugdhoBAN
-91.1
4.5 pts · #26
2Bai, MoxuanCHN
-75.6
5.5 pts · #15
3Wee, Yu Heng Lucas JohnSGP
-75.2
5.0 pts · #62

Biggest upsets

R1+568 Elo gap
Lee, Jinwoo1627 beat CMLe Phan Hoang Quan2195
R1+460 Elo gap
Yeo, Si Xun Shaun1541 beat Rayan Rashid Mugdho2001
R1+402 Elo gap
Pramudya Dylan Andrian1516 beat Wu, Po-Hua1918