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
Federations · 1 represented
🇻🇳Vietnam×20
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 9 roundsNguyen 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
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| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Nguyen Vu Bao Chau | * | 1 | 1 | 1 |
| 2Ly Kha Han | 0 | * | 1 | ½ |
| 3Nguyen Ha Anh | 0 | 0 | * | 0 |
| 4Luu Minh Trang | 0 | ½ | 1 | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | R7 | R8 | R9 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Nguyen Vu Bao Chau | 1621 | VIE | +14N | +19B | +2N | +3B | +5B | +9N | +4B | =8N | =15N | 8.0 | 40.5 | 42.5 | 38.50 | 1752 | +32.4 |
| 2 | Ly Kha Han | 1556 | VIE | +17N | +7B | −1B | +4N | +10B | =3N | +8B | +6N | =5N | 7.0 | 44.0 | 46.5 | 33.00 | 1691 | +37.6 |
| 3 | Luu Minh Trang | 1615 | VIE | +4B | +11N | +10B | −1N | =8B | =2B | +5N | +13B | −7N | 6.0 | 44.5 | 48.5 | 29.75 | 1445 | -44.4 |
| 4 | Nguyen Ha Anh | 0 | VIE | −3N | +20B | +16N | −2B | +7N | +6B | −1N | +9B | +8N | 6.0 | 43.0 | 43.0 | 22.00 | 1544 | 0.0 |
| 5 | Ta Gia Han | 0 | VIE | =8B | =15N | +11B | +6B | −1N | =10N | −3B | +12N | =2B | 5.0 | 44.0 | 47.5 | 23.75 | 1533 | 0.0 |
| 6 | Tran Hoang Bao Ngoc | 1532 | VIE | +9B | −10N | +8B | −5N | +15B | −4N | +11B | −2B | +13N | 5.0 | 40.0 | 43.5 | 21.00 | 1687 | +32.0 |
| 7 | Pham Quynh Anh | 1428 | VIE | +12B | −2N | +9B | −8N | −4B | −11N | +18N | +20B | +3B | 5.0 | 39.5 | 39.5 | 17.50 | 1348 | -13.6 |
| 8 | Phan An Nhien | 1536 | VIE | =5N | +16B | −6N | +7B | =3N | +13B | −2N | =1B | −4B | 4.5 | 46.0 | 49.0 | 21.50 | 1473 | -17.6 |
| 9 | Pham Ngoc Bao Chau | 0 | VIE | −6N | +13B | −7N | +14B | +19N | −1B | +10B | −4N | =11B | 4.5 | 41.0 | 43.0 | 16.75 | 1345 | 0.0 |
| 10 | Vu Khanh An | 0 | VIE | +13N | +6B | −3N | +19B | −2N | =5B | −9N | −15B | +17N | 4.5 | 37.5 | 39.5 | 16.00 | 1438 | 0.0 |
| 11 | Truong Boi Diep | 1465 | VIE | +20N | −3B | −5N | +16B | −13N | +7B | −6N | +14B | =9N | 4.5 | 36.5 | 36.5 | 14.25 | 1395 | -11.6 |
| 12 | Trinh Le Bao Tran | 0 | VIE | −7N | +17B | −19N | −13B | +14N | =18B | +16N | −5B | +20N | 4.5 | 28.0 | 28.0 | 10.75 | 629 | 0.0 |
| 13 | Do Thi Thanh Thao | 0 | VIE | −10B | −9N | +18B | +12N | +11B | −8N | +15B | −3N | −6B | 4.0 | 37.0 | 39.5 | 15.00 | 1441 | 0.0 |
| 14 | Nguyen Do Tue Anh | 0 | VIE | −1B | =18N | =15B | −9N | −12B | +20N | +17B | −11N | +16B | 4.0 | 33.0 | 33.0 | 8.50 | 1228 | 0.0 |
| 15 | Tran Nguyen Ha Phuong | 1423 | VIE | −16N | =5B | =14N | +17B | −6N | F | −13N | +10N | =1B | 3.5 | 36.0 | 38.0 | 15.50 | 1381 | -4.0 |
| 16 | Vu Hoang Thuc Nghi | 0 | VIE | +15B | −8N | −4B | −11N | +20B | =17N | −12B | =18N | −14N | 3.0 | 32.0 | 32.0 | 6.00 | 1350 | 0.0 |
| 17 | Nguyen Khanh An | 0 | VIE | −2B | −12N | +20B | −15N | +18N | =16B | −14N | F | −10B | 2.5 | 29.0 | 29.0 | 4.00 | 686 | 0.0 |
| 18 | Trinh Hai Ha | 0 | VIE | −19N | =14B | −13N | +20N | −17B | =12N | −7B | =16B | F | 2.5 | 25.0 | 25.0 | 5.75 | 629 | 0.0 |
| 19 | Nguyen Dieu Anh | 1510 | VIE | +18B | −1N | +12B | −10N | −9B | F | F | F | F | 2.0 | 27.5 | 27.5 | 7.00 | 816 | -10.8 |
| 20 | Trinh Hai Ngoc | 0 | VIE | −11B | −4N | −17N | −18B | −16N | −14B | F | −7N | −12B | 0.0 | 32.0 | 32.0 | 0.00 | 642 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Ly Kha HanVIE+37.67.0 pts · #2
- 2Nguyen Vu Bao ChauVIE+32.48.0 pts · #1
- 3Tran Hoang Bao NgocVIE+32.05.0 pts · #5
Top rating losers
- 1Luu Minh TrangVIE-44.46.0 pts · #8
- 2Phan An NhienVIE-17.64.5 pts · #9
- 3Pham Quynh AnhVIE-13.65.0 pts · #13
Biggest upsets
- R9+187 Elo gap