22nd Royal rated chess series 2025
Open SwissStandard
25 players participated in this 9-round tournament, held from 14 Jul 2025 to 18 Jul 2025 in Ho Chi Minh City, Vietnam. Top 10 Elo average was 1692, and top seed was Duc Minh Lai (🇻🇳 VIE, 1953).
Thanh Liem Nguyen (🇻🇳 VIE, 1942) won with 7.5/9, ahead of Duc Minh Lai (6.0) and Nguyen Nhu Tuan Long (6.0). Nguyen took the lead from round 5.
The biggest upset came in round 9: Vo Huu Phuoc (1534) beat Nguyen Tuan Anh (1675), a +141-point gap.
Location
🇻🇳Ho Chi Minh City, Vietnam
Dates
14 Jul 2025 → 18 Jul 2025
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss · 9 rounds
Federations · 1 represented
🇻🇳Vietnam×25
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 9 roundsThanh Liem Nguyen led from R5; +1.5-point edge over the runner-up.
Co-leaders
9
5
3
1
1
1
1
1
1
R5 · LEADER CHANGE16 Jul
Thanh Liem Nguyen takes the sole lead (4.5/5).
R7 · HEAD-TO-HEAD · WINNER VS 2ND
Thanh Liem Nguyen drew with Nguyen Nhu Tuan Long (Black).
WIN STREAKS · 2 top finishers
Thanh Liem Nguyen 3 wins (R1–R3)Nguyen Nhu Tuan Long 3 wins (R4–R6)
Key matchups · top 4
Head-to-head between the four finishersGrille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | R7 | R8 | R9 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Nguyen, Thanh Liem | 1942 | VIE | +5N | +12B | +8N | =6B | +2N | +4B | =3N | +7B | =14N | 7.5 | 44.5 | 48.0 | 40.25 | 2054 | +18.8 |
| 2 | Lai, Duc Minh | 1953 | VIE | +10B | +14N | +7B | +4N | −1B | =6N | −5B | +9N | =3B | 6.0 | 45.5 | 49.0 | 29.50 | 1773 | -26.0 |
| 3 | Nguyen Nhu Tuan Long | 0 | VIE | =6B | +9N | −4B | +19N | +7B | +15N | =1B | =5N | =2N | 6.0 | 45.0 | 48.5 | 29.75 | 1846 | 0.0 |
| 4 | Nguyen Thien Tam | 0 | VIE | +18N | +16B | +3N | −2B | +8N | −1N | =6B | +14B | =5N | 6.0 | 43.5 | 47.0 | 27.50 | 1715 | 0.0 |
| 5 | Huynh, Le Tan Huy | 0 | VIE | −1B | +22N | +14B | −7N | +9B | +11N | +2N | =3B | =4B | 6.0 | 43.0 | 45.5 | 26.50 | 1786 | 0.0 |
| 6 | Phan Hoang Bach | 1666 | VIE | =3N | +13B | +16N | =1N | +15B | =2B | =4N | +8B | F | 6.0 | 41.5 | 41.5 | 28.75 | 1927 | +52.0 |
| 7 | Nguyen, Minh Nhat | 1710 | VIE | +15N | +11B | −2N | +5B | −3N | =8B | +16N | −1N | +10B | 5.5 | 42.0 | 45.5 | 23.50 | 1503 | -29.6 |
| 8 | Nguyen, Minh Son | 1428 | VIE | +25N | +17B | −1B | +21N | −4B | =7N | +10B | −6N | =9B | 5.0 | 40.0 | 40.5 | 16.00 | 1463 | +1.6 |
| 9 | Nguyen, Thanh Dat | 0 | VIE | =13N | −3B | +25N | +18B | −5N | =16B | +21N | −2B | =8N | 4.5 | 37.0 | 37.5 | 13.25 | 1643 | 0.0 |
| 10 | Do Hoang Quan | 0 | VIE | −2N | =25B | −18N | +22B | +13N | =21B | −8N | +11B | −7N | 4.0 | 33.5 | 34.0 | 12.25 | 1512 | 0.0 |
| 11 | Nguyen Trinh Hong Dang | 0 | VIE | +22B | −7N | −21B | +20N | +14B | −5B | −12N | −10N | +25B | 4.0 | 32.0 | 32.5 | 10.00 | 1603 | 0.0 |
| 12 | Nguyen Thanh Nhan | 0 | VIE | F | −1N | =19B | −14N | =23B | +17N | +11B | −13N | +15B | 4.0 | 31.5 | 31.5 | 13.75 | 1496 | 0.0 |
| 13 | Nguyen Tram Thien Thanh | 1601 | VIE | =9B | −6N | +23B | −15N | −10B | +22N | =19N | +12B | F | 4.0 | 30.0 | 30.0 | 12.50 | 1654 | +7.6 |
| 14 | Nguyen Dang Khanh Linh | 0 | VIE | +24N | −2B | −5N | +12B | −11N | F | +15B | −4N | =1B | 3.5 | 39.0 | 40.0 | 12.25 | 1858 | 0.0 |
| 15 | NGO THE ANH | 0 | VIE | −7B | +20N | +17N | +13B | −6N | −3B | −14N | =16B | −12N | 3.5 | 36.0 | 39.5 | 12.75 | 1621 | 0.0 |
| 16 | Dao Thien Minh | 0 | VIE | +23B | −4N | −6B | +17N | =21B | =9N | −7B | =15N | F | 3.5 | 35.5 | 37.5 | 11.00 | 888 | 0.0 |
| 17 | Tran Hoang Nhat Nghi | 0 | VIE | F | −8N | −15B | −16B | +24N | −12B | +18N | =19B | +20N | 3.5 | 30.0 | 31.0 | 9.75 | 1630 | 0.0 |
| 18 | Nguyen Tram Thien Thang | 1580 | VIE | −4B | =23N | +10B | −9N | −19B | +20N | −17B | +22B | F | 3.5 | 29.5 | 29.5 | 11.00 | 1724 | +22.4 |
| 19 | Ho Dang Khoa | 1756 | VIE | +21B | F | =12N | −3B | +18N | F | =13B | =17N | F | 3.5 | 27.5 | 27.5 | 12.25 | 1787 | +1.4 |
| 20 | Pham Hoang Bao Long | 1500 | VIE | F | −15B | =22N | −11B | +25N | −18B | +23N | +21N | −17B | 3.5 | 25.5 | 26.0 | 6.75 | 1367 | -13.6 |
| 21 | Luong Anh Tue | 0 | VIE | −19N | +24B | +11N | −8B | =16N | =10N | −9B | −20B | F | 3.0 | 29.0 | 29.0 | 8.75 | 1400 | 0.0 |
| 22 | Vo Huu Phuoc | 1534 | VIE | −11N | −5B | =20B | −10N | F | −13B | +25B | −18N | +24N | 2.5 | 26.5 | 26.5 | 3.25 | 1505 | -8.4 |
| 23 | Vu Bao Long | 0 | VIE | −16N | =18B | −13N | +25B | =12N | F | −20B | F | F | 2.0 | 23.5 | 23.5 | 4.25 | 1290 | 0.0 |
| 24 | Nguyen Tuan Anh | 1675 | VIE | −14B | −21N | F | F | −17B | +25N | F | F | −22B | 1.0 | 15.0 | 15.0 | 0.50 | 738 | -27.6 |
| 25 | Vo Duy Bach | 0 | VIE | −8B | =10N | −9B | −23N | −20B | −24B | −22N | F | −11N | 0.5 | 26.5 | 26.5 | 2.00 | 737 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Phan Hoang BachVIE+52.06.0 pts · #4
- 2Nguyen Tram Thien ThangVIE+22.43.5 pts · #9
- 3Nguyen, Thanh LiemVIE+18.87.5 pts · #1
Top rating losers
- 1Nguyen, Minh NhatVIE-29.65.5 pts · #19
- 2Nguyen Tuan AnhVIE-27.61.0 pts · #24
- 3Lai, Duc MinhVIE-26.06.0 pts · #13
Biggest upsets
- R9+141 Elo gap