Viet Nam Youth chess championships 2025 - Standard Girls U9
Open SwissStandard
22 players participated in this 9-round tournament, held from 21 Jun 2025 to 25 Jun 2025 in Ninh Binh, Vietnam. Top 10 Elo average was 1522, and top seed was Luu Minh Trang (🇻🇳 VIE, 1637).
Nguyen Vu Bao Chau (🇻🇳 VIE, 1576) won with 7.5/9, ahead of Luu Minh Trang (6.5) and Ly Kha Han (6.5). Chau shared the lead from round 7 and won solo starting round 8.
The biggest upset came in round 9: Tran Nha Phuong (1446) beat Nguyen Dieu Anh (1567), a +121-point gap.
Location
🇻🇳Ninh Binh, Vietnam
Dates
21 Jun 2025 → 25 Jun 2025
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss · 9 rounds
Federations · 1 represented
🇻🇳Vietnam×19
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 9 roundsNguyen Vu Bao Chau led from R8; +1.0-point edge over the runner-up.
Co-leaders
11
4
2
1
1
1
2
1
1
R6 · LEADER CHANGE23 Jun
Tran Nha Phuong takes the sole lead (5.0/6).
R2 · HEAD-TO-HEAD · WINNER VS 2ND
Nguyen Vu Bao Chau drew with Ly Kha Han (Black).
WIN STREAKS · 2 top finishers
Nguyen Vu Bao Chau 4 wins (R6–R9)Ly Kha Han 4 wins (R4–R7)
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Nguyen Vu Bao Chau | * | ½ | 1 | ½ |
| 2Ly Kha Han | ½ | * | 0 | 0 |
| 3Tran Nha Phuong | 0 | 1 | * | ½ |
| 4Luu Minh Trang | ½ | 1 | ½ | * |
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 | 1576 | VIE | +22B | =3N | =2B | +17N | =5B | +8N | +4N | +7B | +15N | 7.5 | 42.0 | 42.0 | 32.50 | 1708 | +39.6 |
| 2 | Luu Minh Trang | 1637 | VIE | +6N | =4B | =1N | +19B | −7N | +11B | +9N | +3B | =5N | 6.5 | 46.5 | 49.5 | 34.50 | 1544 | -27.2 |
| 3 | Ly Kha Han | 1467 | VIE | +18N | =1B | −4N | +12B | +9N | +7B | +5B | −2N | +8B | 6.5 | 46.0 | 49.0 | 32.25 | 1662 | +83.2 |
| 4 | Tran Nha Phuong | 1446 | VIE | +21B | =2N | +3B | =8N | +10B | +5N | −1B | =11N | +7B | 6.5 | 46.0 | 48.5 | 33.00 | 1686 | +91.2 |
| 5 | Tran Hoang Bao Ngoc | 1497 | VIE | +17B | +11N | +8B | +7B | =1N | −4B | −3N | +10N | =2B | 6.0 | 46.5 | 49.5 | 29.50 | 1569 | +23.2 |
| 6 | Trinh Le Bao Tran | 0 | VIE | −2B | −17N | +20B | +18N | +21B | =16N | −8B | +13N | +11B | 5.5 | 33.0 | 35.5 | 19.25 | 805 | 0.0 |
| 7 | Nguyen Dieu Anh | 1567 | VIE | +13B | +19N | +9B | −5N | +2B | −3N | +16B | −1N | −4N | 5.0 | 46.0 | 49.0 | 22.50 | 1391 | -22.0 |
| 8 | Nguyen Khanh Han | 1574 | VIE | +20N | +15B | −5N | =4B | +19N | −1B | +6N | =9B | −3N | 5.0 | 43.5 | 46.5 | 20.75 | 1252 | -81.6 |
| 9 | Pham Quynh Anh | 1468 | VIE | +14B | +16N | −7N | +11B | −3B | =10N | −2B | =8N | +18B | 5.0 | 40.0 | 43.0 | 20.00 | 1282 | -43.6 |
| 10 | Le Khanh Ly | 1478 | VIE | −11N | +18B | +14N | +16B | −4N | =9B | =15N | −5B | +12N | 5.0 | 37.5 | 40.5 | 19.25 | 1394 | -18.4 |
| 11 | Phan An Nhien | 0 | VIE | +10B | −5B | +12N | −9N | +17B | −2N | +18N | =4B | −6N | 4.5 | 42.0 | 45.0 | 18.75 | 1449 | 0.0 |
| 12 | Truong Boi Diep | 1509 | VIE | −15N | +13B | −11B | −3N | +20B | =17N | +14B | +16N | −10B | 4.5 | 34.5 | 37.5 | 16.50 | 671 | -44.4 |
| 13 | Nguyen Do Tue Anh | 0 | VIE | −7N | −12N | +22B | =14B | −16N | +21B | +17N | −6B | +?N | 4.5 | 28.0 | 28.0 | 7.50 | 685 | 0.0 |
| 14 | Tran Nguyen Ha Phuong | 0 | VIE | −9N | +20B | −10B | =13N | +22N | −15B | −12N | +?B | =17B | 4.0 | 28.5 | 28.5 | 6.75 | 682 | 0.0 |
| 15 | Pham Ngoc Bao Chau | 0 | VIE | +12B | −8N | −16B | −21N | F | +14N | =10B | +19N | −1B | 3.5 | 35.0 | 35.0 | 14.00 | 1446 | 0.0 |
| 16 | FIDE 12474355 | 0 | — | F | −9B | +15N | −10N | +13B | =6B | −7N | −12B | +22N | 3.5 | 33.0 | 33.0 | 10.75 | 677 | 0.0 |
| 17 | Ta Gia Han | 0 | VIE | −5N | +6B | +?N | −1B | −11N | =12B | −13B | F | =14N | 3.0 | 36.5 | 36.5 | 9.75 | 1258 | 0.0 |
| 18 | Do Thanh Truc | 0 | VIE | −3B | −10N | F | −6B | +?N | +19N | −11B | +20B | −9N | 3.0 | 32.5 | 32.5 | 6.00 | 668 | 0.0 |
| 19 | FIDE 12450294 | 0 | — | +?N | −7B | +21N | −2N | −8B | −18B | +22N | −15B | F | 3.0 | 25.5 | 25.5 | 2.50 | 757 | 0.0 |
| 20 | Le Khanh Ngan | 0 | VIE | −8B | −14N | −6N | +?B | −12N | +22B | F | −18N | +21B | 3.0 | 24.5 | 24.5 | 2.50 | 741 | 0.0 |
| 21 | Nguyen Vo Quynh Nhi | 0 | VIE | −4N | F | −19B | +15B | −6N | −13N | =?B | +22B | −20N | 2.5 | 26.0 | 26.0 | 3.50 | 646 | 0.0 |
| 22 | FIDE 12444731 | 0 | — | −1N | −?B | −13N | F | −14B | −20N | −19B | −21N | −16B | 0.0 | 28.0 | 28.0 | 0.00 | 776 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Tran Nha PhuongVIE+91.26.5 pts · #2
- 2Ly Kha HanVIE+83.26.5 pts · #1
- 3Nguyen Vu Bao ChauVIE+39.67.5 pts · #3
Top rating losers
- 1Nguyen Khanh HanVIE-81.65.0 pts · #11
- 2Truong Boi DiepVIE-44.44.5 pts · #13
- 3Pham Quynh AnhVIE-43.65.0 pts · #10
Biggest upsets
- R9+121 Elo gap
- R9+107 Elo gap