CChessStats

National Youth Chess Elite Championship 2025 - Standard Girls U9

Open SwissStandard

20 players participated in this 9-round tournament, held from 22 Jul 2025 to 27 Jul 2025 in Hai Phong, Vietnam. Top 10 Elo average was 1369, and top seed was Nguyen Vu Bao Chau (🇻🇳 VIE, 1621).

Nguyen Vu Bao Chau (🇻🇳 VIE, 1621) won with 8.0/9, ahead of Ly Kha Han (7.0) and Luu Minh Trang (6.0). Chau won solo starting round 4.

The biggest upset came in round 9: Pham Quynh Anh (1428) beat Luu Minh Trang (1615), a +187-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
🇻🇳Nguyen Vu Bao Chau1621
Avg top 10
1,369
Participants
20
Federations · 1 represented
🇻🇳Vietnam×20
Top 3

How it unfolded

Top 6 · 9 rounds

Nguyen Vu Bao Chau led from R4; +1.0-point edge over the runner-up.

Co-leaders
9
4
2
1
1
1
1
1
1
2.54.579R1R2R3R4R5R6R7R8R9
R4–R9 · LEAD HELD

Nguyen Vu Bao Chau never relinquished the lead after R4; final gap +1.0 over the runner-up.

R3 · HEAD-TO-HEAD · WINNER VS 2ND

Nguyen Vu Bao Chau beat Ly Kha Han (Black).

R1–R7 · WIN STREAK

Nguyen Vu Bao Chau won 7 in a row (R1–R7).

Key matchups · top 4

Head-to-head between the four finishers

Grille américaine

#PlayerEloFedR1R2R3R4R5R6R7R8R9PtsBu C1BuSBPerfΔ
1Nguyen Vu Bao Chau1621VIE+14N+19B+2N+3B+5B+9N+4B=8N=15N8.040.542.538.501752+32.4
2Ly Kha Han1556VIE+17N+7B1B+4N+10B=3N+8B+6N=5N7.044.046.533.001691+37.6
3Luu Minh Trang1615VIE+4B+11N+10B1N=8B=2B+5N+13B7N6.044.548.529.751445-44.4
4Nguyen Ha Anh0VIE3N+20B+16N2B+7N+6B1N+9B+8N6.043.043.022.0015440.0
5Ta Gia Han0VIE=8B=15N+11B+6B1N=10N3B+12N=2B5.044.047.523.7515330.0
6Tran Hoang Bao Ngoc1532VIE+9B10N+8B5N+15B4N+11B2B+13N5.040.043.521.001687+32.0
7Pham Quynh Anh1428VIE+12B2N+9B8N4B11N+18N+20B+3B5.039.539.517.501348-13.6
8Phan An Nhien1536VIE=5N+16B6N+7B=3N+13B2N=1B4B4.546.049.021.501473-17.6
9Pham Ngoc Bao Chau0VIE6N+13B7N+14B+19N1B+10B4N=11B4.541.043.016.7513450.0
10Vu Khanh An0VIE+13N+6B3N+19B2N=5B9N15B+17N4.537.539.516.0014380.0
11Truong Boi Diep1465VIE+20N3B5N+16B13N+7B6N+14B=9N4.536.536.514.251395-11.6
12Trinh Le Bao Tran0VIE7N+17B19N13B+14N=18B+16N5B+20N4.528.028.010.756290.0
13Do Thi Thanh Thao0VIE10B9N+18B+12N+11B8N+15B3N6B4.037.039.515.0014410.0
14Nguyen Do Tue Anh0VIE1B=18N=15B9N12B+20N+17B11N+16B4.033.033.08.5012280.0
15Tran Nguyen Ha Phuong1423VIE16N=5B=14N+17B6NF13N+10N=1B3.536.038.015.501381-4.0
16Vu Hoang Thuc Nghi0VIE+15B8N4B11N+20B=17N12B=18N14N3.032.032.06.0013500.0
17Nguyen Khanh An0VIE2B12N+20B15N+18N=16B14NF10B2.529.029.04.006860.0
18Trinh Hai Ha0VIE19N=14B13N+20N17B=12N7B=16BF2.525.025.05.756290.0
19Nguyen Dieu Anh1510VIE+18B1N+12B10N9BFFFF2.027.527.57.00816-10.8
20Trinh Hai Ngoc0VIE11B4N17N18B16N14BF7N12B0.032.032.00.006420.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets