CChessStats

National Youth Chess Elite Championship 2025 - Standard Open U17

Open SwissStandard

16 players participated in this 9-round tournament, held from 22 Jul 2025 to 27 Jul 2025 in Hai Phong, Vietnam. 3 titled players. Top 10 Elo average was 1941, and top seed was Tran Ngoc Minh Duy (🇻🇳 VIE, FM, 2266).

Thai Son Nguyen (🇻🇳 VIE, CM, 1852) won with 7.5/9, ahead of Tran Ngoc Minh Duy (6.5) and Minh Hieu Pham (6.0). Nguyen won solo starting round 4.

The biggest upset came in round 9: Xuan Hoang Vu (1700) beat Ha Thi Hai Nguyen (1977), a +277-point gap.

Location
🇻🇳Hai Phong, Vietnam
Dates
22 Jul 2025 → 27 Jul 2025
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss · 9 rounds
Top seed
🇻🇳FMTran Ngoc Minh Duy2266
Avg top 10
1,941
Participants
16
Titled players · 3
FM×1
CM×2
Federations · 1 represented
🇻🇳Vietnam×16
Top 3

How it unfolded

Top 6 · 9 rounds

CM Thai Son Nguyen led from R4; +1.0-point edge over the runner-up.

Co-leaders
7
1
2
1
1
1
1
1
1
2.54.579R1R2R3R4R5R6R7R8R9Nguyen takes lead
Nguyen7.5Duy6.5Pham6Nguyen5.5Nguyen5Pham5
R4 · LEADER CHANGE24 Jul

CM Thai Son Nguyen takes the sole lead (3.5/4).

R5 · HEAD-TO-HEAD · WINNER VS 2ND

CM Thai Son Nguyen drew with FM Tran Ngoc Minh Duy (Black).

R1–R9 · UNBEATEN

CM Thai Son Nguyen went unbeaten across 9 games (R1–R9).

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1CMThai Son Nguyen*
½
½
1
2FMTran Ngoc Minh Duy
½
*—
1
3Minh Hieu Pham
½
—*—
4Gia Khanh Nguyen
0
0
—*

Grille américaine

#PlayerEloFedR1R2R3R4R5R6R7R8R9PtsBu C1BuSBPerfΔ
1Nguyen, Thai SonCM1852VIE+16B=5N+4B+6B=2N+8N+7B=3B+10N7.542.043.034.252186+148.8
2Tran Ngoc Minh DuyFM2266VIE=13N+10B=6N+9B=1B=5N+4B+12N=7N6.541.044.531.502079-56.6
3Pham, Minh Hieu1784VIE−6N+14B+11N=7B−5B+10N+8B=1N+9B6.040.543.527.251983+93.6
4Nguyen, Gia Khanh1888VIE+15N=7B−1N+13B=6N+9B−2N=5N+16B5.539.040.018.501938+27.6
5Nguyen, Ha Thi Hai1977VIE+9N=1B=7N=8B+3N=2B=6N=4B−11N5.044.549.027.501943-15.6
6Pham, Truong Phu1990VIE+3B+8N=2B−1N=4B=7N=5B=9N=12B5.044.548.525.751937-24.0
7Huynh, Le Minh Hoang1969VIE+11B=4N=5B=3N=8N=6B−1N+15N=2B5.044.546.522.751933-16.0
8Dang Thai Vu1929VIE+14N−6B+13N=5N=7B−1B−3N=11B+15N4.539.541.515.751821-48.4
9Hoang, Le Minh BaoCM1719VIE−5B+16N+12B−2N+14B−4N+13B=6B−3N4.538.539.514.001822+43.2
10Tran Dang Minh Duc1927VIE−12B−2N=15B+16N+13B−3B+11N+14B−1B4.537.038.013.001767-70.0
11Vu, Xuan Hoang1700VIE−7N+15B−3B=12N+16B=14N−10B=8N+5B4.534.035.013.751781+35.2
12Do Thanh Dat1656VIE+10N−13B−9N=11B−15N+16B+14N−2B=6N4.033.534.513.251735+30.4
13Vu, Ba Khoi1829VIE=2B+12N−8B−4N−10N=15B−9N+16B=14N3.534.535.510.751712-58.8
14Do, Quang Minh1661VIE−8B−3N+16B+15N−9N=11B−12B−10N=13B3.033.534.57.001616-22.4
15Le Trung Kien1625VIE−4B−11N=10N−14B+12B=13N−16N−7B−8B2.034.535.58.001564-32.4
16Hoang, Dinh Duy1495VIE−1N−9B−14N−10B−11N−12N+15B−13N−4N1.037.039.02.001407-29.6

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets