CChessStats

2025 Mzansi Individual Championships (U20 Open)

Open SwissStandard

36 players participated in this 6-round tournament, held from 17 Dec 2025 to 20 Dec 2025 in Port Elizabeth, South Africa. 1 titled players from 2 federations. Top 10 Elo average was 1749, and top seed was Raynier Claassen (🇿🇦 RSA, 2035).

Raynier Claassen (🇿🇦 RSA, 2035) won with 5.5/6, ahead of Neathan Peter (5.5) and Michael Berndt (5.0). Claassen shared the lead from round 1, winning on tie-break.

The biggest upset came in round 3: Darren Van Staaden (1595) beat Siboniso Mini (1779), a +184-point gap.

Location
🇿🇦Port Elizabeth, South Africa
Dates
17 Dec 2025 → 20 Dec 2025
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 6 rounds
Top seed
🇿🇦Raynier Claassen2035
Avg top 10
1,749
Participants
36
Titled players · 1
CM×1
Federations · 2 represented
🇿🇦South Africa×33
FIDE (no federation)×1
Top 3

How it unfolded

Top 6 · 6 rounds

Tight race until R6; 2 players tied at 5.5/6, decided on Buchholz. Title race narrowed from 2 co-leaders at R4 to 2 at the finish.

Co-leaders
15
8
4
2
2
2
1.534.56R1R2R3R4R5R6
R6 · TIEBREAK CLUSTER

2 players finish on 5.5/6. Claassen takes the title on Buchholz Cut1 (21.5).

R5 · HEAD-TO-HEAD · WINNER VS 2ND

Raynier Claassen drew with CM Neathan Peter (White).

WIN STREAKS · 3 top finishers

Raynier Claassen 4 wins (R1–R4)CM Neathan Peter 4 wins (R1–R4)Michael Berndt 3 wins (R1–R3)

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1Raynier Claassen*
½
1
1
2CMNeathan Peter
½
*
1
3Michael Berndt
0
*
4Jacob Tlaka
0
0
*

Grille américaine

#PlayerEloFedR1R2R3R4R5R6PtsBu C1BuSBPerfΔ
1Claassen, Raynier2035RSA+21B+10N+9B+3N=2B+4N5.521.524.521.752084+11.2
2Peter, NeathanCM1969RSA+33N+7B+12N+4B=1N+5B5.521.021.518.752028+7.0
3Berndt, Michael1647RSA+25B+23N+15B1B+16N+9N5.018.020.515.001873+31.6
4Tlaka, Jacob0RSA+31B+13B+6N2N+11B1B4.022.023.012.0018500.0
5Van Staaden, Darren1595RSA=18N+17B+11B=6N+24B2N4.019.021.512.501866+26.4
6Lagardien, Ismaeel1834RSA+8B+28N4B=5B=7N+17B4.019.021.013.001818-0.6
7Jele, Nkosikhona0RSA+24B2N+35B=9N=6B+15N4.018.518.59.2517110.0
8Matulizo, Daniel0RSA6N+30B19N+33B+18N+16B4.014.014.57.501534-52.0
9Van Vreede, Ethan1705RSA+32N+16B1N=7B+26N3B3.520.021.08.501675-7.2
10Perring, Mekhail1539RSAF1B+20N=13B+12N+19B3.518.518.511.251812+34.6
11Mini, Siboniso1779RSA=17N+20B5N+14B4N+26B3.517.520.010.501736-8.4
12Mathe, Thabang1558RSA+26B+35N2B=15N10B+20B3.517.517.57.001688+11.4
13Goliath, Brimarion1647RSA+36B4N+23B=10N=15B=24N3.516.016.07.501706+2.8
14Mella, Emorej1585RSA15B+34N=26B11N+25B+27N3.514.014.56.751711+26.4
15Sithole, Trywell0RSA+14N+19B3N=12B=13N7B3.019.522.510.0016350.0
16Brewis, Sienna0RSA+22B9N+29B+25N3B8N3.018.019.06.5016350.0
17Mangcotwya, Lihle1508RSA=11B5N+27B=22N+23B6N3.017.520.08.751519+0.8
18Nkumbi, Lutho0RSA=5B22N=21B+29N8B+28N3.016.017.06.5016110.0
19Ntsunguzi, Siyamamkela1635FID+34B15N+8B24N+21B10N3.016.016.57.501661+2.0
20Manyane, Kgothatso0RSA+29B11N10B+28N+22B12N3.015.516.56.001605+20.8
21Laubscher, Enrico0RSA1N=27B=18N+30B19N+33B3.015.015.54.251593-6.8
22Williams, Elegeaux1641RSA16N+18B=25N=17B20N+32B3.014.515.56.751390-20.4
23Van Aswegen, Juandre0RSA+30N3B13N+35B17N+29B3.013.513.52.0014000.0
24Jezile, Aphelele0RSA7NF+28B+19B5N=13B2.516.516.56.7516230.0
25Swindell, Reese1506RSA3N+31N=22B16B14N+35B2.515.515.52.501532+5.2
26Mushweu, Gundo0RSA12N+33B=14N+31B9B11N2.515.015.53.251566-49.6
27Jerling, Waven0RSA28B=21N17N+34B+30N14B2.512.513.03.0013900.0
28Budge, Benjamin1536RSA+27N6B24N20B+34N18B2.015.015.53.001486-10.0
29Ndzothoyi, Asekho1574RSA20N+32B16N18BF23N1.013.014.01.00736-22.0
30Khoza, Hanyani0RSA23B8NF21N27B+34N1.013.013.00.5015360.0
31Gcwabe, Othandwayo1602RSA4N25B+32N26NFF1.011.011.01.00810-19.4
32FIDE 53401794109B29N31BF+35N22N1.08.58.50.008300.0
33Kopano, Mogadime1511RSA2B26N=34B8NF21N0.515.515.50.251353-30.4
34Botha, Qwin1466RSA19N14B=33N27N28B30B0.512.012.50.251244-37.6
35FIDE 5340396510F12B7N23N32B25N0.014.014.00.007330.0
36Mahomed, Ihsaan1494RSA13NFFFFF0.03.53.50.00847-5.8

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets