CChessStats

Under 16 World Olympiad Qualifier - Girls section

Open SwissStandard

7 players participated in this 7-round tournament, held from 08 Jul 2025 to 10 Jul 2025 in Lusaka NIPA Main campus, Zambia. Top 10 Elo average was 908, and top seed was Bwalya Margret (🇿🇲 ZAM, 1706).

Bwalya Margret (🇿🇲 ZAM, 1706) won with 5.5/7, ahead of Banda Bertha (4.5) and Vankhedekar Nikhil Nitya (3.5). Margret won solo starting round 6.

The biggest upset came in round 5: Vankhedekar Nikhil Nitya (1502) beat Mweetwa Victoria (1618), a +116-point gap.

Location
🇿🇲Lusaka NIPA Main campus, Zambia
Dates
08 Jul 2025 → 10 Jul 2025
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss · 7 rounds
Top seed
🇿🇲Bwalya Margret1706
Avg top 10
908
Participants
7
Federations · 1 represented
🇿🇲Zambia×7
Top 3

How it unfolded

Top 6 · 7 rounds

Bwalya Margret led from R6; +1.0-point edge over the runner-up. Title race converged from 3 co-leaders at R4 to 1 by R6.

Co-leaders
3
1
3
3
2
1
1
23.55.57R1R2R3R4R5R6R7Margret takes lead
R6 · LEADER CHANGE10 Jul

Bwalya Margret takes the sole lead (4.5/6).

R3 · HEAD-TO-HEAD · WINNER VS 2ND

Bwalya Margret beat Banda Bertha (Black).

WIN STREAKS · 3 top finishers

Bwalya Margret 3 wins (R5–R7)Banda Bertha 3 wins (R4–R7)Mutale Mumba Janelle 3 wins (R2–R5)

Key matchups · top 4

Head-to-head between the four finishers

Grille américaine

#PlayerEloFedR1R2R3R4R5R6R7PtsBu C1BuSBPerfΔ
1Bwalya Margret1706ZAMF+5B+2N=3B+6N+4B+7N5.515.515.513.751811+11.6
2Banda Bertha1532ZAM+4B=7N1B+5NF+3B+6N4.516.516.510.751740+39.2
3Vankhedekar Nikhil Nitya1502ZAM+6B4N+7B=1N+5B2NF3.517.517.56.751611+16.8
4Mutale Mumba Janelle0ZAM2N+3B+6NF+7B1N=5B3.517.517.56.2514980.0
5Mweetwa Victoria1618ZAM+7B1NF2B3N+6B=4N2.518.518.53.25773-67.6
6Mumba Abigail0ZAM3NF4B+7N1B5N2B1.020.020.00.507850.0
7Singh Adhya0ZAM5N=2B3N6B4NF1B0.520.520.52.2512630.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets