CChessStats

23rd ASEAN AGE GROUP CHESS CHAMPIONSHIP 2025 (U08 Open)

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26 players participated in this 9-round tournament, held from 01 Jul 2025 to 11 Jul 2025 in George Town, Penang, Malaysia. 8 federations represented. Top 10 Elo average was 1536, and top seed was Huynh Thien An (🇻🇳 VIE, 1781).

Pham Xuan An (🇻🇳 VIE, 1489) won with 7.0/9, ahead of Nguyen Bao Nam (7.0) and Nguyen Tran Gia Vuong (6.5). An won on tie-break after catching the field in the final round.

The biggest upset came in round 2: Pham Xuan An (1489) beat Huynh Thien An (1781), a +292-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
🇻🇳Huynh Thien An1781
Avg top 10
1,536
Participants
26
Federations · 8 represented
🇻🇳Vietnam×8
🇨🇳China×4
🇸🇬Singapore×4
🇹🇭Thailand×2
🇲🇾Malaysia×2
🇲🇲Myanmar×1
🇮🇳India×1
🇦🇺Australia×1
Top 3

How it unfolded

Top 6 · 9 rounds

Tight race until R4; 2 players tied at 7.0/9, decided on Buchholz.

Co-leaders
12
4
2
1
1
1
2
1
2
2.54.579R1R2R3R4R5R6R7R8R9Nam takes lead
Pham Xuan7Nam7Vuong6.5Vu Thanh6.5Huynh Thien6.5Zhang6
R8 · LEADER CHANGE07 Jul

Nguyen Bao Nam takes the sole lead (6.5/8).

R9 · TIEBREAK CLUSTER

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

R7 · HEAD-TO-HEAD · WINNER VS 2ND

Pham Xuan An lost to Nguyen Bao Nam (White).

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1Pham Xuan An*
0
1
1
2Nguyen Bao Nam
1
*
1
—
3Nguyen Tran Gia Vuong
0
0
*—
4Vu Thanh An
0
——*

Grille américaine

#PlayerEloFedR1R2R3R4R5R6R7R8R9PtsBu C1BuSBPerfΔ
1Pham Xuan An1489VIE+19N+4N+3B+8B+7N+5N−2B−6B+10N7.048.552.039.001828+94.4
2Nguyen Bao Nam1564VIE+17N+13B−8N=9B+12N+23B+1N+3B=6N7.042.545.535.001681+34.8
3Nguyen Tran Gia Vuong1523VIE+24B+7N−1N+10B+11N+8B+4B−2N=9N6.546.047.531.001648+40.8
4Huynh Thien An1781VIE+18N−1B+19N=12B+9N+6B−3N+8B+11N6.542.045.529.751564-54.4
5Vu Thanh An1505VIE+15N=9B−6N+17B+16N−1B+11N+7N+14B6.541.545.530.001635+26.6
6Zhang, Zhengxuan0CHN=14B+18N+5B+11B−8N−4N+13B+1N=2B6.045.549.031.7515840.0
7Tang Duy Khanh1436VIE+16N−3B+25N+13B−1B+12N+8N−5B+21B6.041.543.023.001539+40.4
8Hoang Gia Bao1498VIE+20B+10N+2B−1N+6B−3N−7B−4N+16B5.048.051.525.501322-44.4
9Vishwakarthi, Vikram1466SGP+23B=5N=12B=2N−4B−14N+18B+20N=3B5.042.545.522.251421-15.6
10Zhang, Zhenghang0CHN+21N−8B+17N−3N=13B=18N+14B+16N−1B5.039.042.520.0014240.0
11Chen, Nicholas Yuileng1586AUS+26B=12N+14B−6N−3B+20N−5B+22N−4B4.541.543.015.251393-52.0
12Lim, Julian Jia Rui1469SGP+25N=11B=9N=4N−2B−7B+19N−14N+20B4.540.542.016.501348-30.8
13Phan Minh Triet1474VIE+22B−2N+23B−7N=10N=16B−6N=15B+18B4.539.542.516.75701-36.8
14Ruengjirachuporn, Chantat1433THA=6N+21B−11N−16B+19N+9B−10N+12B−5N4.539.042.519.501563+35.2
15Koe, Ruihe Joshua0SGP−5B−23N−18B=24N+17N=22B+25B=13N+19B4.530.031.513.7513080.0
16Zhang, Ninghao0CHN−7B=20N+24B+14N−5B=13N+23N−10B−8N4.038.039.513.0013260.0
17Eng, Aik Guan0MAS−2B+22N−10B−5N−15B+24N−20B+26B+25N4.033.034.58.007470.0
18Adhvaan Oswal0IND−4B−6B+15NF+25N=10B−9N+23B−13N3.537.539.011.507660.0
19Li, Zerui0CHN−1B+26N−4B=20N−14B+21N−12B+24B−15N3.535.537.08.2512760.0
20FIDE 86732500—−8N=16B=26N=19B+22N−11B+17N−9B−12N3.534.035.512.006990.0
21Rathi, Surya Rao1435SGP−10B−14N=22B+26B−23N−19B+24N+25B−7N3.528.530.06.25636-39.6
22FIDE 58612680—−13N−17B=21N+25B−20B=15N+26N−11B=24N3.527.529.07.7512240.0
23Yeoh, Ho Xun Hewson0MAS−9N+15B−13NF+21B−2N−16B−18N+26B3.035.537.09.5012900.0
24FIDE 86745400—−3N−25B−16N=15B=26N−17B−21B−19N=22B1.531.032.54.756870.0
25Wong, Jinn0THA−12B+24N−7B−22N−18B=26B−15N−21N−17B1.531.032.52.256370.0
26Bhone Pyae Thainkha0MYA−11N−19B=20B−21N=24B=25N−22B−17N−23N1.527.028.53.257090.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets