CChessStats

Vanuatu National Championship

Open SwissStandard

15 players participated in this 7-round tournament, held from 25 Oct 2025 to 31 Oct 2025 in Port Vila, Efate, Vanuatu. 1 titled players. Top 10 Elo average was 651, and top seed was Jeremy Ellison (🇻🇺 VAN, CM, 1820).

Tasso Jayson (🇻🇺 VAN, 0) won with 5.5/7, ahead of Zhitong Sean (5.5) and Jeremy Ellison (5.0). Jayson won on tie-break after catching the field in the final round.

The biggest upset came in round 7: Zhitong Sean (1636) beat Jeremy Ellison (CM, 1820), a +184-point gap.

Location
🇻🇺Port Vila, Efate, Vanuatu
Dates
25 Oct 2025 → 31 Oct 2025
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss · 7 rounds
Top seed
🇻🇺CMJeremy Ellison1820
Avg top 10
651
Participants
15
Titled players · 1
CM×1
Federations · 1 represented
🇻🇺Vanuatu×15
Top 3

How it unfolded

Top 6 · 7 rounds

Tight race until R7; 2 players tied at 5.5/7, decided on Buchholz.

Co-leaders
10
5
2
1
1
1
2
23.55.57R1R2R3R4R5R6R7
Jayson5.5Sean5.5Ellison5Igor5Kaina4Patrick4
R7 · TIEBREAK CLUSTER

2 players finish on 5.5/7. Jayson takes the title on Buchholz Cut1 (25.5).

R3 · HEAD-TO-HEAD · WINNER VS 2ND

Tasso Jayson drew with Zhitong Sean (White).

WIN STREAKS · 3 top finishers

Tasso Jayson 3 wins (R5–R7)Zhitong Sean 4 wins (R4–R7)CM Jeremy Ellison 5 wins (R1–R5)

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1Tasso Jayson*
½
1
—
2Zhitong Sean
½
*
1
—
3CMJeremy Ellison
0
0
*—
4Nasse Igor———*

Grille américaine

#PlayerEloFedR1R2R3R4R5R6R7PtsBu C1BuSBPerfΔ
1Tasso Jayson0VAN+8B+?N=2B−5N+9N+3B+6N5.525.525.518.751758+17.6
2Zhitong Sean1636VAN−12N+11B=1N+8B+5N+6B+3N5.525.028.022.252426+58.0
3Ellison, JeremyCM1820VAN+11B+12N+5B+6N+10B−1N−2B5.025.028.017.001689-16.8
4Nasse Igor0VAN−?B−8N+13N+?B+?B+10N+5N5.013.513.510.0015260.0
5Delrieu Kaina1517VAN+15B+7N−3N+1B−2B+11N−4B4.028.029.013.50927-19.6
6Delrieu Lou-Anne1541VAN+13B+9N+10B−3B+7N−2N−1B4.026.529.513.50927-21.6
7Seeto Patrick0VAN+?N−5B+?B+?N−6B−9N+10B4.014.514.53.007290.0
8Gottfried Olivia0VAN−1N+4B=9B−2N+14B−?N+?B3.521.521.58.758350.0
9Nompavos, Lesly0VAN+?B−6B=8N+?N−1B+7B−?N3.517.017.05.757380.0
10Liliord Rick0VAN+14B+?N−6N+?B−3N−4B−7N3.020.020.02.0015060.0
11Morel Anatole0VAN−3N−2N+?B+15B+?N−5B−12N3.018.518.51.0014330.0
12Nand Armaan0VAN+2B−3B−?N−14N−?B+15N+11B3.016.516.59.5015380.0
13Nand Ishaan0VAN−6N−?N−4B+?N+?B−?B+14N3.011.011.02.007410.0
14Tenkon Chris0VAN−10N−?N+?B+12B−8N−?B−13B2.012.512.53.007340.0
15Nathan Kevin0VAN−5N+?B−?B−11N−?N−12B−?N1.010.010.00.007170.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets