CChessStats

NMB Closed 2025 (U18)

Open SwissStandard

20 players participated in this 6-round tournament, held from 13 Jun 2025 to 14 Jun 2025 in Gqeberha, South Africa. 1 titled players. Top 10 Elo average was 1587, and top seed was Noah Peter (🇿🇦 RSA, CM, 1718).

James CHIPUNZA (🇿🇦 RSA, 1659) won with 5.0/6, ahead of Jait Booysen (4.5) and Joseph Jaffray (4.5). CHIPUNZA won solo starting round 4.

The biggest upset came in round 4: Joseph Amachukwu (1502) beat Noah Peter (CM, 1718), a +216-point gap.

Location
🇿🇦Gqeberha, South Africa
Dates
13 Jun 2025 → 14 Jun 2025
Time control
Standard: All Moves in 55 Min. Incr. 5 Sec. / /
System
Swiss · 6 rounds
Top seed
🇿🇦CMNoah Peter1718
Avg top 10
1,587
Participants
20
Titled players · 1
CM×1
Federations · 1 represented
🇿🇦South Africa×20
Top 3

How it unfolded

Top 6 · 6 rounds

James CHIPUNZA led from R4; +0.5-point edge over the runner-up.

Co-leaders
6
3
2
1
1
1
1.534.56R1R2R3R4R5R6
CHIPUNZA5Booysen4.5Jaffray4.5Amachukwu4Schultz4Grigor3.5— ex-leaders:CHIPUNZAled R4–R6, #8
R4–R6 · LEAD HELD

James CHIPUNZA held the sole lead from R4 through R6 without losing it.

R3 · HEAD-TO-HEAD · WINNER VS 2ND

James CHIPUNZA beat Jait Booysen (Black).

WIN STREAKS · 2 top finishers

James CHIPUNZA 4 wins (R1–R4)Joseph Jaffray 3 wins (R1–R3)

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1James CHIPUNZA*
1
1
1
2Jait Booysen
0
*
½
—
3Joseph Jaffray
0
½
*
1
4Joseph Amachukwu
0
—
0
*

Grille américaine

#PlayerEloFedR1R2R3R4R5R6PtsBu C1BuSBPerfΔ
1CHIPUNZA, James1659RSA+5N+8B+2N+3B=6N=4N5.020.524.020.251778+24.0
2Booysen, Jait0RSA+12N+4B−1B+7N=3N+6B4.520.522.515.2516250.0
3Jaffray, Joseph1642RSA+13B+19N+10B−1N=2B+5B4.518.019.512.251765+26.4
4Schultz, Jade1649RSA+15B−2N=17N+11B+9N=1B4.017.018.510.751791+33.6
5Amachukwu, Joseph1502RSA−1B+18N+19B+10N+7B−3N4.017.018.59.001696+61.6
6Mtshekexe, Usemhle1545RSA+18B−10N+12B+8N=1B−2N3.517.519.09.501690+30.4
7Grigor, Ruan1447RSA=14N+9B+11N−2B−5N+17B3.516.017.58.001665+59.6
8Jiki, Sandiso0RSA+17B−1N+20N−6B+12B=10N3.514.515.55.7515680.0
9Swart, Ruan1546RSA=11B−7N+14N+17B−4B+16N3.513.515.06.501580+12.0
10Peter, NoahCM1718RSAF+6B−3N−5B+13N=8B2.517.517.57.251438-44.8
11Bouwer, Ruben1562RSA=9N+14B−7B−4N−17N=15B2.015.016.54.751392-54.8
12Boggenpoel, Cole1448RSA−2BF−6N+20B−8N+13B2.014.514.53.001482+3.6
13Schoeman, Devan0RSA−3N−20B+15N+16B−10B−12N2.013.014.04.0014130.0
14Gie, Luca1475RSA=7B−11N−9B+19N−16B=18N2.012.514.04.001379-30.0
15Nyoka, Ibanathi1490RSA−4NF−13B+18N=19B=11N2.011.011.03.251543+11.6
16Bojana, Singisile0RSAFF+18B−13N+14N−9B2.010.510.53.501650+22.4
17Hammond, Anees1496RSA−8NF=4B−9N+11B−7N1.516.518.54.001464-8.4
18FREEMAN, Nicole1553RSA−6N−5B−16N−15B+20N=14B1.513.514.52.001297-80.8
19Van Wyk, Keagen1407RSAF−3B−5N−14B=15N+20B1.513.513.52.001356-14.4
20SIHEWULA, Achuma1418RSAF+13N−8B−12N−18B−19N1.010.510.52.00669-52.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets