CChessStats

2026 Piet Robbertse Open Chess Tournament (A)

Open SwissStandard

23 players participated in this 5-round tournament, held from 07 Feb 2026 to 08 Feb 2026 in Pretoria, South Africa. 2 titled players from 2 federations. Top 10 Elo average was 1885, and top seed was Johannes Manyedi Mabusela (🇿🇦 RSA, IM, 2100).

Johannes Manyedi Mabusela (🇿🇦 RSA, IM, 2100) won with 4.5/5, ahead of Justin Barend Wilken (4.0) and Shepard Sarakusebwa (4.0). Mabusela won solo starting round 4.

The biggest upset came in round 2: Ettienne Van Meersbergen (1621) beat Devon Smit (1934), a +313-point gap.

Location
🇿🇦Pretoria, South Africa
Dates
07 Feb 2026 → 08 Feb 2026
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss · 5 rounds
Top seed
🇿🇦IMJohannes Manyedi Mabusela2100
Avg top 10
1,885
Participants
23
Titled players · 2
IM×1
WCM×1
Federations · 2 represented
🇿🇦South Africa×22
🇿🇲Zambia×1
Top 3

How it unfolded

Top 6 · 5 rounds

IM Johannes Manyedi Mabusela led from R4; +0.5-point edge over the runner-up.

Co-leaders
9
5
2
1
1
1.52.545R1R2R3R4R5
Mabusela4.5Sarakusebwa4Wilken4Du Plessis4Segal3.5Takaindisa3
R4–R5 · LEAD HELD

IM Johannes Manyedi Mabusela held the sole lead from R4 through R5 without losing it.

WIN STREAKS · 3 top finishers

IM Johannes Manyedi Mabusela 4 wins (R1–R4)Shepard Sarakusebwa 4 wins (R2–R5)Justin Barend Wilken 3 wins (R1–R3)

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1IMJohannes Manyedi Mabusela*—
1
½
2Shepard Sarakusebwa—*——
3Justin Barend Wilken
0
—*—
4Heinco Du Plessis
½
——*

Grille américaine

#PlayerEloFedR1R2R3R4R5PtsBu C1BuSBPerfΔ
1Mabusela, Johannes ManyediIM2100RSA+11B+9N+5B+2B=4N4.514.517.015.002225+11.6
2Wilken, Justin Barend1911RSA+15N+14B+13B−1N+7B4.011.513.59.001958+8.0
3Sarakusebwa, Shepard1877RSA−7B+17N+11B+10N+6B4.011.513.010.001967+10.8
4Du Plessis, Heinco2046RSA+19N+22B=6N+8B=1B4.011.511.57.752045+2.6
5Segal, Jamie Dylan1762RSA+20N+7B−1N=6B+13N3.512.513.57.501865+24.8
6Van Meersbergen, Ettienne1621RSA+23N+8B=4B=5N−3N3.014.514.56.751945+79.2
7Takaindisa, Abel1668RSA+3N−5N+17B+19B−2N3.013.014.06.501902+30.8
8Smit, Devon1934RSA+10B−6N+15B−4N+14B3.012.014.07.001795-14.2
9Nel, HayleyWCM1823RSA+18N−1B+14N−13B+19N3.010.011.04.501799-2.6
10Snyckers, Adam1726RSA−8N+23B+22N−3B+17N3.08.58.51.501863+14.4
11Severin, Martin1749RSA−1N+20B−3N+16B=12N2.513.014.04.251794+4.4
12Lodi, Neo1649RSA=17B−13N=18B+15N=11B2.58.09.54.751715+8.6
13Lodi, Khotso1603RSAF+12B−2N+9N−5B2.013.013.05.501787+18.4
14Yang, Daniel1532RSA+16N−2N−9B+22B−8N2.012.012.02.001663+17.6
15Slabbert, Zander Nicolaas1684RSA−2B+21N−8N−12B+20N2.010.511.52.001648-12.0
16Gondwe Prosper1759ZAM−14B+18N−19B−11N+21B2.07.08.02.501567-50.0
17Songo, Divine1872RSA=12N−3B−7N+20B−10B1.512.513.52.251552-82.4
18Boshoff, Reinhardt1668RSA−9B−16B=12N−21N+22B1.58.58.51.251364-56.0
19Msimango, Msimango Moremi1726RSA−4BF+16N−7N−9B1.012.012.02.001631-21.6
20Brits, Etienne1589RSA−5B−11N+21B−17N−15B1.09.510.51.001477-27.6
21Barkhuizen, Simon Jurgens1522RSAF−15B−20N+18B−16N1.06.56.51.501481-7.2
22Khosana, Onalerona0RSAF−4N−10B−14N−18N0.010.510.50.009450.0
23Buys, Bernard R.1769RSA−6B−10NFFF0.06.06.00.00874-50.4

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets