CChessStats

The 4th Vientiane Open FIDE Rated

Open SwissStandard

16 players participated in this 5-round tournament, held from 21 Jun 2025 to 22 Jun 2025 in Vientiane capital, Laos. Top 10 Elo average was 458, and top seed was Khonsavanh Senglek (🇱🇦 LAO, 1608).

Khonsavanh Senglek (🇱🇦 LAO, 1608) won with 5.0/5, ahead of SUNJON KAYDEN NGUYEN (4.0). Senglek broke clear in the final round.

Location
🇱🇦Vientiane capital, Laos
Dates
21 Jun 2025 → 22 Jun 2025
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss · 5 rounds
Top seed
🇱🇦Khonsavanh Senglek1608
Avg top 10
458
Participants
16
Federations · 1 represented
🇱🇦Laos×9
Top 3

How it unfolded

Top 6 · 5 rounds

Khonsavanh Senglek led from R5; +1.0-point edge over the runner-up. Title race converged from 2 co-leaders at R4 to 1 by R5.

Co-leaders
13
7
3
2
1
1.52.545R1R2R3R4R5
R5–R5 · LEAD HELD

Khonsavanh Senglek never relinquished the lead after R5; final gap +1.0 over the runner-up.

R3 · HEAD-TO-HEAD · WINNER VS 2ND

Khonsavanh Senglek beat FIDE 17702640 (Black).

WIN STREAKS · 2 top finishers

Khonsavanh Senglek 5 wins (R1–R5)SUNJON KAYDEN NGUYEN 4 wins (R1–R4)

Key matchups · top 4

Head-to-head between the four finishers

Grille américaine

#PlayerEloFedR1R2R3R4R5PtsBu C1BuSBPerfΔ
1Senglek, Khonsavanh1608LAO+6N+5B+3N+4B+2N5.015.018.518.502286+13.4
2NGUYEN, SUNJON KAYDEN1456LAO+9N+14B+11N+12B1B4.013.015.010.00808-12.0
3FIDE 177026400+?N+8B1B+7N+?N4.012.012.07.008080.0
4YOMVILATH, SOUMINTA1517LAO+13B+16N+10B1N=5B3.514.015.08.25808-14.8
5JOSHUA JEDIDIAH,BEJO0LAO+?B1N+13B+9N=4N3.514.014.07.2513690.0
6MANALO, SEAN MICHAEL0LAO1B+?N+?N=?B+11N3.57.57.52.5013220.0
7SUELO, RYZIA LEI ZHEYSHA0LAO+?N+?B=?N3B+12N3.56.56.52.5014220.0
8Maglacion, Herald Wayne Fresco0LAO+?N3N+?B=11B+?N3.56.56.51.2514420.0
9FIDE 1770235602B+?N+14N5B+?N3.09.59.52.006560.0
10FIDE 3434678650+?N+?B4N?B+?N3.03.53.50.007150.0
11SENGPHACHAN, BOUNTHENGNOY0LAO+15N+?B2B=8N6B2.512.512.53.256560.0
12FIDE 177017320=?N+?B+?N2N7B2.57.57.50.0012460.0
13MANICHITH, NAMPHET0LAO4N+?B5N+?B=?B2.57.07.00.007150.0
14FIDE 177023210+?N2N9B+?B?N2.07.07.00.006560.0
15FIDE 17701759011B?B?N+?B=?N1.52.52.50.006220.0
16FIDE 177025180+?N4B?N?B?B1.03.53.50.007150.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers