Bank Windhoek 2025 Namibia National Junior Closed Chess Championships - Open under 16
Open SwissStandard
8 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 1217, and top seed was August-John Mungunda (🇳🇦 NAM, 1741).
Sibusiso Angula (🇳🇦 NAM, 1655) won with 7.0/7, ahead of Shali Itembu (5.0) and August-John Mungunda (4.0). Angula won solo starting round 4.
The biggest upset came in round 7: Shali Itembu (1613) beat August-John Mungunda (1741), a +128-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
Federations · 1 represented
🇳🇦Namibia×8
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 7 roundsSibusiso Angula led from R4; +2.0-point edge over the runner-up.
Co-leaders
4
2
2
1
1
1
1
R4–R7 · LEAD HELD
Sibusiso Angula never relinquished the lead after R4; final gap +2.0 over the runner-up.
R4 · HEAD-TO-HEAD · WINNER VS 2ND
Sibusiso Angula beat Shali Itembu (White).
WIN STREAKS · 2 top finishers
Sibusiso Angula 7 wins (R1–R7)Shali Itembu 3 wins (R1–R3)
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Sibusiso Angula | * | 1 | 1 | 1 |
| 2Shali Itembu | 0 | * | 1 | 1 |
| 3August-John Mungunda | 0 | 0 | * | ½ |
| 4Dawid Du Toit | 0 | 0 | ½ | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | R7 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Angula, Sibusiso | 1655 | NAM | +7B | +4N | +6B | +2B | +5N | +3B | +8N | 7.0 | 20.0 | 21.0 | 21.00 | 2407 | +65.6 |
| 2 | Itembu, Shali | 1613 | NAM | +8B | +7N | +4B | −1N | =6B | =5B | +3N | 5.0 | 22.0 | 23.0 | 13.50 | 1729 | +35.2 |
| 3 | Mungunda, August-John | 1741 | NAM | +5N | =6N | +8B | +7N | =4B | −1N | −2B | 4.0 | 23.0 | 24.0 | 9.00 | 1514 | -40.8 |
| 4 | Du Toit, Dawid | 1612 | NAM | +6B | −1B | −2N | =5B | =3N | +8B | +7N | 4.0 | 23.0 | 24.0 | 8.50 | 1429 | -38.0 |
| 5 | Shekupe Fidel | 1553 | NAM | −3B | =8N | =7B | =4N | −1B | =2N | +6B | 3.0 | 24.0 | 25.0 | 8.00 | 1444 | -22.0 |
| 6 | Mostert, Arlen Ziegfried | 0 | NAM | −4N | =3B | −1N | =8B | =2N | =7B | −5N | 2.0 | 25.0 | 26.0 | 6.00 | 1380 | 0.0 |
| 7 | Shinana, Hosea Ndjoryea | 1561 | NAM | −1N | −2B | =5N | −3B | +8N | =6N | −4B | 2.0 | 25.0 | 26.0 | 3.50 | 1254 | 0.0 |
| 8 | Kamberipa, Mark David | 0 | NAM | −2N | =5B | −3N | =6N | −7B | −4N | −1B | 1.0 | 25.0 | 27.0 | 2.50 | 1254 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Angula, SibusisoNAM+65.67.0 pts · #1
- 2Itembu, ShaliNAM+35.25.0 pts · #2
- 3Shinana, Hosea NdjoryeaNAM0.02.0 pts · #7
Top rating losers
- 1Mungunda, August-JohnNAM-40.84.0 pts · #3
- 2Du Toit, DawidNAM-38.04.0 pts · #4
- 3Shekupe FidelNAM-22.03.0 pts · #6
Biggest upsets
- R7+128 Elo gap