Viet Nam Youth chess championships 2025 - Standard Open U15
Open SwissStandard
39 players participated in this 9-round tournament, held from 21 Jun 2025 to 25 Jun 2025 in Ninh Binh, Vietnam. 3 titled players. Top 10 Elo average was 1916, and top seed was Vuong Tung Lam Nguyen (🇻🇳 VIE, CM, 2215).
Manh Duc Nguyen (🇻🇳 VIE, CM, 2061) won with 7.5/9, ahead of Quang Minh Nguyen (7.0) and Vuong Tung Lam Nguyen (7.0). Nguyen won solo starting round 5.
The biggest upset came in round 5: Dang Khoi Le (1492) beat Tran Huy Khanh Nguyen (1695), a +203-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
Titled players · 3
CM×3
Federations · 1 represented
🇻🇳Vietnam×39
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 9 roundsCM Manh Duc Nguyen led from R3; +0.5-point edge over the runner-up.
Co-leaders
12
5
1
3
1
1
1
1
1
R3–R9 · LEAD HELD
CM Manh Duc Nguyen held the sole lead from R3 through R9 without losing it.
WIN STREAKS · 3 top finishers
CM Manh Duc Nguyen 3 wins (R1–R3)CM Vuong Tung Lam Nguyen 3 wins (R7–R9)CM Quang Minh Nguyen 3 wins (R6–R8)
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1CMManh Duc Nguyen | * | — | ½ | 1 |
| 2CMVuong Tung Lam Nguyen | — | * | ½ | — |
| 3CMQuang Minh Nguyen | ½ | ½ | * | 1 |
| 4Dang Thai Vu | 0 | — | 0 | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | R7 | R8 | R9 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Nguyen, Manh DucCM | 2061 | VIE | +14B | +12N | +6B | =2N | +4B | =10N | +7N | +13B | =5N | 7.5 | 44.5 | 49.5 | 40.75 | 2090 | +15.6 |
| 2 | Nguyen, Quang MinhCM | 2051 | VIE | +19N | +24B | =10N | =1B | =3N | +11B | +26N | +4B | =6N | 7.0 | 45.0 | 49.0 | 36.50 | 2099 | +26.0 |
| 3 | Nguyen, Vuong Tung LamCM | 2215 | VIE | +16N | =11B | +8B | =7N | =2B | =13N | +12B | +10N | +25B | 7.0 | 42.5 | 46.5 | 35.25 | 2075 | -38.0 |
| 4 | Dang Thai Vu | 1862 | VIE | +34N | =13B | +5N | +11B | −1N | +25B | +10B | −2N | =8B | 6.0 | 44.5 | 47.0 | 27.25 | 1945 | +37.6 |
| 5 | Le, Ngoc Minh Truong | 1714 | VIE | =21N | +20B | −4B | +14N | =12B | =6N | =8B | +18N | =1B | 5.5 | 43.5 | 48.0 | 28.00 | 1810 | +40.8 |
| 6 | Chau Van Khai Hoan | 1833 | VIE | +17N | +22B | −1N | −25B | +15N | =5B | =11N | +16B | =2B | 5.5 | 43.5 | 47.5 | 27.25 | 1856 | +12.0 |
| 7 | Vu Gia Bao | 1829 | VIE | =33B | +31N | +18B | =3B | =10N | +8N | −1B | =25N | =9B | 5.5 | 42.5 | 45.0 | 25.50 | 1882 | +20.4 |
| 8 | Nguyen, Khac Bao An | 1777 | VIE | +32N | +15B | −3N | +22B | =25N | −7B | =5N | +17B | =4N | 5.5 | 42.0 | 45.0 | 24.75 | 1846 | +28.9 |
| 9 | Nguyen, Dac Nguyen Dung | 1693 | VIE | =23N | +21B | −11N | −28B | +32N | =17B | +19N | +26B | =7N | 5.5 | 36.5 | 39.5 | 23.25 | 1762 | +29.2 |
| 10 | Nguyen Anh Huy | 1920 | VIE | +39B | +25N | =2B | +13N | =7B | =1B | −4N | −3B | =15N | 5.0 | 47.0 | 48.0 | 22.50 | 1908 | -5.2 |
| 11 | Nguyen, Khanh Nam | 1771 | VIE | +38B | =3N | +9B | −4N | +29B | −2N | =6B | −12N | +27B | 5.0 | 43.5 | 45.5 | 21.25 | 1832 | +24.4 |
| 12 | Nguyen, Hoang Khanh | 1768 | VIE | +28N | −1B | +19N | =26B | =5N | +18B | −3N | +11B | −13N | 5.0 | 43.0 | 47.0 | 22.75 | 1840 | +27.6 |
| 13 | Do, Dang Khoa | 1715 | VIE | F | =4N | +27B | −10B | +28N | =3B | +16N | −1N | +12B | 5.0 | 43.0 | 43.0 | 24.00 | 1917 | +77.2 |
| 14 | Bien, Hoang Gia Phu | 1647 | VIE | −1N | +32B | =24N | −5B | =33N | +23B | +28N | −15B | +26N | 5.0 | 38.0 | 40.5 | 19.00 | 1724 | +27.2 |
| 15 | Dang, Nguyen Tien Dung | 1668 | VIE | +36B | −8N | −29B | +27N | −6B | +37N | =20B | +14N | =10B | 5.0 | 35.5 | 37.5 | 18.25 | 1696 | +9.2 |
| 16 | Nguyen, Hoang Bach | 1661 | VIE | −3B | +38N | −26N | +21B | +24N | +34B | −13B | −6N | =20B | 4.5 | 37.5 | 39.5 | 15.75 | 1738 | +26.8 |
| 17 | Do, Khoi Nguyen | 1604 | VIE | −6B | =30N | +20B | −18N | +31B | =9N | +29B | −8N | =22B | 4.5 | 37.0 | 40.5 | 18.25 | 1571 | -14.8 |
| 18 | Dam Quoc Bao | 1695 | VIE | =20N | +23B | −7N | +17B | =26N | −12N | +32B | −5B | =31N | 4.5 | 37.0 | 40.0 | 18.00 | 1667 | -10.4 |
| 19 | Pham Viet Thien Phuoc | 1638 | VIE | −2B | +37N | −12B | =30N | =20B | +36N | −9B | =27N | +29N | 4.5 | 35.5 | 37.5 | 14.00 | 1617 | -13.2 |
| 20 | Tran Quang Phat | 0 | VIE | =18B | −5N | −17N | +39B | =19N | +33B | =15N | =21B | =16N | 4.5 | 35.5 | 36.5 | 15.00 | 1633 | 0.0 |
| 21 | Le, Dang Khoi | 1492 | VIE | =5B | −9N | =31B | −16N | +35B | =27N | +37B | =20N | =23B | 4.5 | 34.5 | 36.5 | 15.50 | 1654 | +50.0 |
| 22 | Pham, Le Duy Can | 1697 | VIE | +30B | −6N | +33B | −8N | +37N | −26B | −25N | +28B | =17N | 4.5 | 33.5 | 35.5 | 14.25 | 1667 | -14.0 |
| 23 | Dao Gia Huy | 0 | VIE | =9B | −18N | =30B | =33N | =27B | −14N | +38N | +35B | =21N | 4.5 | 32.0 | 34.0 | 14.50 | 1609 | 0.0 |
| 24 | Cao Minh Tung | 1761 | VIE | +37B | −2N | =14B | =29N | −16B | −32N | =30B | +33N | +34B | 4.5 | 31.5 | 33.5 | 13.00 | 1637 | -58.8 |
| 25 | Nguyen Do Phu Trong | 1753 | VIE | F | −10B | +36N | +6N | =8B | −4N | +22B | =7B | −3N | 4.0 | 42.5 | 45.0 | 18.00 | 1818 | +18.0 |
| 26 | Pham, Huy Duc | 1839 | VIE | =27B | =33N | +16B | =12N | =18B | +22N | −2B | −9N | −14B | 4.0 | 40.0 | 42.5 | 17.00 | 1670 | -79.2 |
| 27 | Chu, Phan Dang Khoa | 1607 | VIE | =26N | +35B | −13N | −15B | =23N | =21B | +34N | =19B | −11N | 4.0 | 35.0 | 37.5 | 13.75 | 1637 | +10.8 |
| 28 | Le, The Minh | 1575 | VIE | −12B | +39N | =35B | +9N | −13B | =29N | −14B | −22N | +32N | 4.0 | 34.0 | 35.0 | 12.50 | 1620 | +22.8 |
| 29 | Ha, Nguyen Nam Khanh | 1537 | VIE | F | +34B | +15N | =24B | −11N | =28B | −17N | =30N | −19B | 3.5 | 35.0 | 37.5 | 13.50 | 1596 | +22.4 |
| 30 | Nguyen, Kien Toan | 1476 | VIE | −22N | =17B | =23N | =19B | −34N | =31B | =24N | =29B | =36B | 3.5 | 32.0 | 34.5 | 13.75 | 1518 | +10.8 |
| 31 | Pham Huy Hai Son | 0 | VIE | =35N | −7B | =21N | =34B | −17N | =30N | F | +32B | =18B | 3.5 | 30.5 | 30.5 | 11.75 | 1583 | 0.0 |
| 32 | Tran Hoang Phuoc Tri | 1589 | VIE | −8B | −14N | +39B | +36N | −9B | +24B | −18N | −31N | −28B | 3.0 | 35.0 | 36.0 | 8.00 | 1525 | -25.2 |
| 33 | Ho Phuoc Trung | 1594 | VIE | =7N | =26B | −22N | =23B | =14B | −20N | =39N | −24B | F | 2.5 | 33.5 | 33.5 | 10.00 | 1609 | +3.2 |
| 34 | Pham Quang Nghi | 1620 | VIE | −4B | −29N | +38B | =31N | +30B | −16N | −27B | F | −24N | 2.5 | 31.5 | 31.5 | 7.25 | 1483 | -53.2 |
| 35 | Nguyen, Tran Huy Khanh | 1695 | VIE | =31B | −27N | =28N | −37B | −21N | F | +36B | −23N | =38B | 2.5 | 27.0 | 27.0 | 7.25 | 1321 | -95.6 |
| 36 | Tran, Quoc Phong | 0 | VIE | −15N | F | −25B | −32B | +38N | −19B | −35N | +39B | =30N | 2.5 | 25.5 | 25.5 | 4.75 | 1488 | 0.0 |
| 37 | Nguyen, Xuan An | 1548 | VIE | −24N | −19B | F | +35N | −22B | −15B | −21N | −38B | +39N | 2.0 | 28.5 | 28.5 | 3.50 | 1452 | -39.6 |
| 38 | Ngo Bao Quan | 1577 | VIE | −11N | −16B | −34N | F | −36B | =39N | −23B | +37N | =35N | 2.0 | 24.5 | 24.5 | 3.75 | 1530 | -15.2 |
| 39 | Tran Thien Phuc | 1630 | VIE | −10N | −28B | −32N | −20N | F | =38B | =33B | −36N | −37B | 1.0 | 25.5 | 25.5 | 2.25 | 1362 | -80.8 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Do, Dang KhoaVIE+77.25.0 pts · #10
- 2Le, Dang KhoiVIE+50.04.5 pts · #27
- 3Le, Ngoc Minh TruongVIE+40.85.5 pts · #16
Top rating losers
- 1Nguyen, Tran Huy KhanhVIE-95.62.5 pts · #38
- 2Tran Thien PhucVIE-80.81.0 pts · #39
- 3Pham, Huy DucVIE-79.24.0 pts · #18
Biggest upsets
- R5+203 Elo gap
- R9+192 Elo gap
- R6+172 Elo gap