CChessStats

Bank Windhoek 2025 Namibia National Junior Closed Chess Championships - Open under 12

Open SwissStandard

7 players participated in this 7-round tournament, held from 08 May 2025 to 11 May 2025 in Walvis Bay, Namibia. Top 10 Elo average was 646, and top seed was Fidel Boois (🇳🇦 NAM, 1582).

Johannes Christiaan Cronje (🇳🇦 NAM, 0) won with 6.0/7, ahead of Dien James (4.0) and Virtuous Fufuna (2.5). Cronje won solo starting round 4.

The biggest upset came in round 3: Dien James (1475) beat Fidel Boois (1582), a +107-point gap.

Location
🇳🇦Walvis Bay, Namibia
Dates
08 May 2025 → 11 May 2025
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 7 rounds
Top seed
🇳🇦Fidel Boois1582
Avg top 10
646
Participants
7
Federations · 1 represented
🇳🇦Namibia×5
Top 3

How it unfolded

Top 6 · 7 rounds

Johannes Christiaan Cronje led from R4; +2.0-point edge over the runner-up.

Co-leaders
3
2
3
1
1
1
1
23.55.57R1R2R3R4R5R6R7
Cronje6James4Fufuna2.5Petrus2.52Boois2
R4–R7 · LEAD HELD

Johannes Christiaan Cronje never relinquished the lead after R4; final gap +2.0 over the runner-up.

R2 · HEAD-TO-HEAD · WINNER VS 2ND

Johannes Christiaan Cronje beat Dien James (Black).

R1–R7 · WIN STREAK

Johannes Christiaan Cronje won 6 in a row (R1–R7).

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1Johannes Christiaan Cronje*
1
1
1
2Dien James
0
*
½
½
3Virtuous Fufuna
0
½
*
1
4Reuben Zachary Petrus
0
½
0
*

Grille américaine

#PlayerEloFedR1R2R3R4R5R6R7PtsBu C1BuSBPerfΔ
1Cronje, Johannes Christiaan0NAM+7B+2NF+6B+3N+4B+5N6.013.013.013.0015680.0
2Dien James1475NAMF−1B+6N=3B=4N+5B+7N4.015.015.06.501718+25.6
3Fufuna, Virtuous0NAM+4B−5N+7B=2N−1BFF2.516.516.54.5014910.0
4Petrus, Reuben Zachary1468NAM−3NF+5B+7N=2B−1NF2.516.516.54.001474+0.4
5FIDE 152214150—−6N+3B−4NF+7B−2N−1B2.017.017.02.507080.0
6Boois, Fidel1582NAM+5B+7N−2B−1NFFF2.017.017.02.00674-26.0
7FIDE 152215040—−1N−6B−3N−4B−5NF−2B0.019.019.00.007080.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets