23rd ASEAN AGE GROUP CHESS CHAMPIONSHIP 2025 (U12 Open)

Open SwissStandard

45 players participated in this 9-round tournament, held from 01 Jul 2025 to 11 Jul 2025 in George Town, Penang, Malaysia. 3 titled players from 8 federations. Top 10 Elo average was 1919, and top seed was Nguyen Quang Anh (🇻🇳 VIE, CM, 2051).

Luong Vu Nguyen (🇻🇳 VIE, CM, 1956) won with 7.0/9, ahead of Kenny Horasino Bach (7.0) and Nguyen Duy Dat (6.5). Nguyen shared the lead from round 5, winning on tie-break.

The biggest upset came in round 1: Henrick Marello Bolanos (1615) beat Nguyen Quang Anh (CM, 2051), a +436-point gap.

Location

🇲🇾George Town, Penang, Malaysia

Dates

01 Jul 2025 → 11 Jul 2025

Time control

Standard: 90 minutes with 30 second increment from move 1

System

Swiss · 9 rounds

Top seed

🇻🇳CMNguyen Quang Anh2051

Avg top 10

1,919

Participants

Titled players · 3

CM×3

Federations · 8 represented

🇲🇾Malaysia×18

🇻🇳Vietnam×17

🇵🇭Philippines×4

🇰🇭Cambodia×1

🇮🇩Indonesia×1

🇮🇳India×1

🇷🇺Russia×1

🇨🇳China×1

Top 3

🥇
CMLuong Vu Nguyen
🇻🇳VIE·1956
7.0pts·2029perf+37.6
🥈
Kenny Horasino Bach
🇮🇩INA·1907
7.0pts·2026perf+59.6
🥉
Nguyen Duy Dat
🇻🇳VIE·1741
6.5pts·1964perf+101.1

How it unfolded

Top 6 · 9 rounds

Tight race until R7; 2 players tied at 7.0/9, decided on Buchholz.

Co-leaders

Nguyen7Bach7Anh6.5Dat6.5Nguyen6.5Hung6— ex-leaders:Huyled R4, #13

R7 · LEADER CHANGE06 Jul

CM Luong Vu Nguyen takes the sole lead (6.0/7).

R9 · TIEBREAK CLUSTER

2 players finish on 7.0/9. Nguyen takes the title on Buchholz Cut1 (48.5).

R3 · HEAD-TO-HEAD · WINNER VS 2ND

CM Luong Vu Nguyen beat Kenny Horasino Bach (White).

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1CMLuong Vu Nguyen	*	1	½	½
2Kenny Horasino Bach	0	*	—	—
3CMNguyen Quang Anh	½	—	*	—
4Nguyen Duy Dat	½	—	—	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	R6	R7	R8	R9	Pts	Bu C1	Bu	SB	Perf	Δ
1	Nguyen, Luong VuCM	1956	VIE	+10B	+6N	+2B	=3N	+21B	=5N	+9B	=7B	=13N	7.0	48.5	53.0	40.75	2029	+37.6
2	Bach, Kenny Horasino	1907	INA	+12N	+14B	−1N	+18N	+11B	−9B	+21N	+16B	+7N	7.0	45.0	49.5	37.00	2026	+59.6
3	Nguyen Duy Dat	1741	VIE	+32N	+26B	+9N	=1B	+16N	=21B	−7N	=4B	+18N	6.5	44.0	47.5	32.50	1964	+101.1
4	Phan Tran Khoi Nguyen	1916	VIE	+34B	+20N	+19B	−21N	=8B	=6N	+10B	=3N	+17B	6.5	43.5	47.0	33.25	1848	-18.4
5	Nguyen Quang AnhCM	2051	VIE	−23N	+25B	+31N	=6B	+37N	=1B	+20N	=8N	+9B	6.5	42.5	45.5	31.50	1895	-45.2
6	Le Minh Hoang Chinh	1644	VIE	+22N	−1B	+12N	=5N	+19B	=4B	−16N	+27B	+31N	6.0	44.0	48.0	29.50	1882	+90.4
7	Tong Nguyen Gia Hung	1724	VIE	+35N	=23B	+27N	−16B	+26N	+17B	+3B	=1N	−2B	6.0	43.5	47.0	29.25	1822	+47.2
8	Doan Tuan Khoi	1712	VIE	+43B	−21N	+10B	+24N	=4N	=11B	=12N	=5B	+22N	6.0	43.0	45.0	28.50	1840	+52.0
9	Chow, Yi ChenCM	1969	MAS	+24B	=37N	−3B	+14N	+18B	+2N	−1N	+21B	−5N	5.5	46.5	49.5	28.00	1876	-33.2
10	Saravanan, Keertieshvar	1574	MAS	−1N	+36B	−8N	+35B	+25N	+22B	−4N	=15B	+11B	5.5	43.0	46.5	24.25	1763	+58.8
11	Nguyen Truong An Khang	1960	VIE	−27N	+32B	+23N	+33B	−2N	=8N	+28B	+12B	−10N	5.5	40.0	43.5	24.00	1715	-89.2
12	Pham Quang Huy	1491	VIE	−2B	+38N	−6B	+45N	+29B	+24N	=8B	−11N	+30B	5.5	40.0	40.0	18.50	1635	+34.8
13	Balines, Neil Angelo	1729	PHI	=28B	+29N	−18B	=17N	=27B	+26N	=19B	+30N	=1B	5.5	38.5	42.5	25.00	1671	-19.6
14	Vishnu, Nandan	1654	IND	+38B	−2N	−17B	−9B	+41N	+32B	=18N	+36B	+16N	5.5	37.5	39.5	19.50	1675	+0.4
15	Nguyen Truong Phuc	1748	VIE	+30B	+42N	−21B	=20N	−17B	=28N	+40B	=10N	+27N	5.5	34.0	36.0	19.25	1585	-56.0
16	Nguyen Vu Bao Lam	1903	VIE	+17B	=18N	+37B	+7N	−3B	=20N	+6B	−2N	−14B	5.0	46.0	49.0	25.00	1723	-74.1
17	Ting, Ji Yan Triston	1488	MAS	−16N	+41B	+14N	=13B	+15N	−7N	=27B	+20B	−4N	5.0	43.0	45.0	22.75	1733	+92.4
18	ShangGuan, ZhengChen	1636	CHN	+45N	=16B	+13N	−2B	−9N	+37B	=14B	+19N	−3B	5.0	43.0	43.0	18.75	1802	+66.0
19	Damonsong, Sebastian	1842	PHI	+44N	+33B	−4N	=26B	−6N	+23B	=13N	−18B	+21N	5.0	40.0	41.5	19.00	1738	-44.0
20	Le, Nhat Minh	1637	VIE	+41N	−4B	+44N	=15B	+33N	=16B	−5B	−17N	+28B	5.0	38.0	39.5	16.25	1712	+23.2
21	Bui Quang Huy	1942	VIE	+31N	+8B	+15N	+4B	−1N	=3N	−2B	−9N	−19B	4.5	49.0	53.0	25.25	1817	-52.1
22	Azha Syahril, Asyraf Firdaus	0	MAS	−6B	=34N	=29B	+30N	+39B	−10N	+24B	=28N	−8B	4.5	37.5	40.5	17.25	1511	0.0
23	Bolanos, Henrick Marello	1615	PHI	+5B	=7N	−11B	−37N	+34B	−19N	−25B	+40N	+32B	4.5	37.5	39.5	18.50	1687	+20.8
24	Vijayan, Logitan	1608	MAS	−9N	+35B	+40N	−8B	+32N	−12B	−22N	=29B	+33N	4.5	36.0	38.0	14.50	1621	+0.8
25	Suze, Zi Nan	1625	MAS	=29B	−5N	+28B	=27N	−10B	−40N	+23N	=32B	+36N	4.5	35.5	37.5	17.75	1624	-2.8
26	Nguyen Nhat Nam	1637	VIE	+40B	−3N	+42B	=19N	−7B	−13B	−36N	+44N	+34B	4.5	34.0	35.5	11.50	1617	-11.6
27	Chua, Aedan Gavin	1582	PHI	+11B	=28N	−7B	=25B	=13N	+31B	=17N	−6N	−15B	4.0	42.0	46.0	19.00	1617	+13.2
28	Shahruwardi, Ahmad Shafiyuddin	1466	MAS	=13N	=27B	−25N	+41B	+31N	=15B	−11N	=22B	−20N	4.0	38.5	40.5	15.75	1575	+31.6
29	Tengku Muhd Azzazzuddin, Tengku Huffaz Harith	0	MAS	=25N	−13B	=22N	+44B	−12N	+33B	−30B	=24N	=35B	4.0	35.5	37.0	13.50	1507	0.0
30	Peh, Yi Zheng	1487	MAS	−15N	+45B	−33N	−22B	+38N	+35B	+29N	−13B	−12N	4.0	35.0	35.0	10.50	1367	-11.6
31	Tan, Ryan	1545	MAS	−21B	+43N	−5B	+40N	−28B	−27N	+38N	+37B	−6B	4.0	33.0	35.0	10.00	1510	-26.8
32	Nguyen Xuan Phuc Lam	1483	VIE	−3B	−11N	+34B	+42N	−24B	−14N	+41B	=25N	−23N	3.5	36.5	38.5	9.75	1434	-19.2
33	Nguyen, Hoang Minh	1639	VIE	+39B	−19N	+30B	−11N	−20B	−29N	+35B	=34N	−24B	3.5	35.0	38.0	12.25	1527	-46.4
34	Stepanov, Nikita	1523	RUS	−4N	=22B	−32N	+36B	−23N	+39B	=37N	=33B	−26N	3.5	33.5	36.5	12.00	1389	-39.2
35	R Vamadevan, Kugharuban	1424	MAS	−7B	−24N	+38B	−10N	+45B	−30N	−33N	+43B	=29N	3.5	32.5	32.5	7.00	1289	-38.8
36	Vong, Sopanhasak	0	CAM	−37B	−10N	=39B	−34N	+42B	+45N	+26B	−14N	−25B	3.5	31.5	31.5	8.00	1341	0.0
37	Hua Nam Phong	1663	VIE	+36N	=9B	−16N	+23B	−5B	−18N	=34B	−31N	F	3.0	37.5	37.5	12.50	1593	-35.2
38	Anuar, Arsyad	0	MAS	−14N	−12B	−35N	F	−30B	+43N	−31B	+41N	+42B	3.0	28.5	28.5	6.00	1218	0.0
39	RK, Pradhyumna	0	MAS	−33N	−44B	=36N	+43B	−22N	−34N	=42B	F	+40B	3.0	22.5	22.5	6.75	1324	0.0
40	Shu, Jun Hao Eloysius	0	MAS	−26N	F	−24B	−31B	+44N	+25B	−15N	−23B	−39N	2.0	32.0	32.0	6.00	1454	0.0
41	Sandran, Pugazhlenty Shasan	0	MAS	−20B	−17N	+43B	−28N	−14B	F	−32N	−38B	+45N	2.0	28.0	28.0	2.00	1253	0.0
42	Vejayenindren, Kaarthik	0	MAS	F	−15B	−26N	−32B	−36N	=44B	=39N	+45B	−38N	2.0	24.5	24.5	2.25	1271	0.0
43	Too, Pi He	1417	MAS	−8N	−31B	−41N	−39N	F	−38B	+45B	−35N	+44B	2.0	23.0	23.0	1.50	1351	-14.4
44	Mohd Khairul, Yahya	1487	MAS	−19B	+39N	−20B	−29N	−40B	=42N	F	−26B	−43N	1.5	27.5	27.5	4.00	837	-50.8
45	FIDE 17702275	0	—	−18B	−30N	F	−12B	−35N	−36B	−43N	−42N	−41B	0.0	27.5	27.5	0.00	674	0.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Nguyen Duy DatVIE
+101.1
6.5 pts · #4
2Ting, Ji Yan TristonMAS
+92.4
5.0 pts · #15
3Le Minh Hoang ChinhVIE
+90.4
6.0 pts · #11

Top rating losers

1Nguyen Truong An KhangVIE
-89.2
5.5 pts · #7
2Nguyen Vu Bao LamVIE
-74.1
5.0 pts · #9
3Nguyen Truong PhucVIE
-56.0
5.5 pts · #22

Biggest upsets

R1+436 Elo gap
Bolanos, Henrick Marello1615 beat CMNguyen Quang Anh2051
R9+386 Elo gap
Saravanan, Keertieshvar1574 beat Nguyen Truong An Khang1960
R1+378 Elo gap
Chua, Aedan Gavin1582 beat Nguyen Truong An Khang1960