CChessStats

4th An Giang Chess Tournament - Chess Star Cup 2026 - Championship Category

Open SwissStandard

16 players participated in this 7-round tournament, held from 28 Feb 2026 to 01 Mar 2026 in An Giang, Vietnam. 5 titled players. Top 10 Elo average was 1982, and top seed was Chan Hung Lu (🇻🇳 VIE, IM, 2165).

Phuoc Tam Nguyen (🇻🇳 VIE, CM, 2131) won with 5.0/7, ahead of Nguyen Anh Huy (4.5) and Hoang Gia Bao Vu (4.5). Nguyen shared the lead from round 5 and broke clear in the final round.

The biggest upset came in round 4: Nguyen Phuoc Nguyen (1625) beat Thien Kim Ngoc Diep Mai (WFM, 1845), a +220-point gap.

Location
🇻🇳An Giang, Vietnam
Dates
28 Feb 2026 → 01 Mar 2026
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss · 7 rounds
Top seed
🇻🇳IMChan Hung Lu2165
Avg top 10
1,982
Participants
16
Titled players · 5
IM×1
CM×2
WFM×2
Federations · 1 represented
🇻🇳Vietnam×16
Top 3

How it unfolded

Top 6 · 7 rounds

CM Phuoc Tam Nguyen led from R7; +0.5-point edge over the runner-up.

Co-leaders
8
2
1
1
5
2
1
23.55.57R1R2R3R4R5R6R7Nguyen takes lead
Nguyen5Lu4.5Minh4.5Vu4.5Huy4.5Quang4
R7 · LEADER CHANGE01 Mar

CM Phuoc Tam Nguyen takes the sole lead (5.0/7).

R6 · HEAD-TO-HEAD · WINNER VS 2ND

CM Phuoc Tam Nguyen beat IM Chan Hung Lu (Black).

R4–R6 · WIN STREAK

CM Phuoc Tam Nguyen won 3 in a row (R4–R6).

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1CMPhuoc Tam Nguyen*
1
—
1
2IMChan Hung Lu
0
*
1
0
3Tran Pham Quang Minh—
0
*
1
4CMHoang Gia Bao Vu
0
1
0
*

Grille américaine

#PlayerEloFedR1R2R3R4R5R6R7PtsBu C1BuSBPerfΔ
1Nguyen, Phuoc TamCM2131VIE+10N=6B−2N+9B+3B+4N=7N5.025.028.520.002158+7.2
2Nguyen Anh Huy2088VIE+8B=5N+1B=3N=4N=7B=6N4.526.530.019.252087+6.4
3Vu, Hoang Gia BaoCM2048VIE+11N+9B+4N=2B−1N+6B−5N4.526.029.017.252073+8.0
4Lu, Chan HungIM2165VIE+13B+7N−3B+5N=2B−1B+11N4.525.528.016.252057-14.8
5Tran Pham Quang Minh1848VIE+14N=2B=6N−4B=7B+8N+3B4.525.027.516.752039+54.3
6Nguyen Le Nhat Quang2014VIE+12B=1N=5B=7N+8B−3N=2B4.026.029.015.501969-9.2
7Pham Minh Hieu1961VIE+15N−4B+13N=6B=5N=2N=1B4.025.027.514.002002+9.8
8Nguyen Do Minh Tri1744VIE−2N+14B=9N+10B−6N−5B+16N3.522.523.58.751829+30.8
9Vu Thi Dieu AiWFM1908VIE+16B−3N=8B−1N+12B=10N=15B3.522.023.08.751788-19.6
10Nguyen Phuc Cao Danh1814VIE−1B=12N+16B−8N+14B=9B=13N3.520.021.08.001768-18.0
11Dang Hoang Gia1644VIE−3B=16N=12B−14N+15B+13B−4B3.019.520.57.001700+13.2
12Nguyen Phuoc Nguyen1625VIE−6N=10B=11N+13B−9N−15N+14B3.019.021.58.251714+25.2
13Mai, Thien Kim Ngoc DiepWFM1845VIE−4N+15B−7B−12N+16B−11N=10B2.520.521.55.251664-34.0
14Nguyen Quoc Khanh1553VIE−5B−8N=15N+11B−10N+16B−12N2.520.021.05.251586+4.0
15Nguyen Viet Dung1580VIE−7B−13N=14B=16N−11N+12B=9N2.518.519.56.501627+6.0
16Nguyen Manh Quynh1579VIE−9N=11B−10N=15B−13N−14N−8B1.018.521.02.751415-50.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets