CChessStats

2025 Elise Steenkamp Open Chess Tournament (King)

Open SwissStandard

26 players participated in this 7-round tournament, held from 14 Jun 2025 to 16 Jun 2025 in Pretoria, South Africa. 2 titled players from 2 federations. Top 10 Elo average was 1954, and top seed was Johannes Manyedi Mabusela (🇿🇦 RSA, IM, 2109).

Sello Mahlangu (🇿🇦 RSA, CM, 2015) won with 6.0/7, ahead of James Dinham (5.5) and Calvin Nicholas Jacobs (5.5). Mahlangu took the lead from round 5.

The biggest upset came in round 1: Divine Songo (1755) beat Heinco Du Plessis (2043), a +288-point gap.

Location
🇿🇦Pretoria, South Africa
Dates
14 Jun 2025 → 16 Jun 2025
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss · 7 rounds
Top seed
🇿🇦IMJohannes Manyedi Mabusela2109
Avg top 10
1,954
Participants
26
Titled players · 2
IM×1
CM×1
Federations · 2 represented
🇿🇦South Africa×25
🇳🇿New Zealand×1
Top 3

How it unfolded

Top 6 · 7 rounds

CM Sello Mahlangu led from R5; +0.5-point edge over the runner-up.

Co-leaders
11
6
2
1
1
1
1
23.55.57R1R2R3R4R5R6R7Mahlangu takes lead
Mahlangu6Dinham5.5Jacobs5.5Selepe5.5Smit4.5Bulelani4.5
R5 · LEADER CHANGE15 Jun

CM Sello Mahlangu takes the sole lead (4.5/5).

R5 · HEAD-TO-HEAD · WINNER VS 2ND

CM Sello Mahlangu beat James Dinham (Black).

WIN STREAKS · 3 top finishers

CM Sello Mahlangu 3 wins (R4–R6)James Dinham 4 wins (R1–R4)Calvin Nicholas Jacobs 3 wins (R4–R6)

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1CMSello Mahlangu*
1
½
—
2James Dinham
0
*
1
1
3Calvin Nicholas Jacobs
½
0
*—
4Lwazi Selepe—
0
—*

Grille américaine

#PlayerEloFedR1R2R3R4R5R6R7PtsBu C1BuSBPerfΔ
1Mahlangu, SelloCM2015RSA+9B+18N=13B+6N+2N+12B=3N6.026.529.024.502194+27.6
2Dinham, James1975RSA+16N+11B+3N+4N−1B+13N=12B5.528.031.023.252133+27.6
3Jacobs, Calvin Nicholas1905RSA+17B+15N−2B+7N+20N+5B=1B5.526.028.019.502006+36.0
4Selepe, Lwazi2029RSA+7N+8B+14N−2B=12N+20B+10N5.524.526.519.252080+10.2
5Bulelani, Stephen1807RSA−15B=17N+9B+8N+18B−3N+14B4.523.025.515.501865+23.2
6Smit, Devon1915RSAF+23B+16N−1B+7N=14B+13N4.521.021.013.251994+13.0
7Snyckers, Adam1706RSA−4B+21N+24N−3B−6B+18N+16N4.023.024.08.501818+20.2
8Combrink, Juan-Louis1775RSA+22B−4N=10B−5B=15N+21B+19N4.021.523.09.501755-5.6
9Mkotong, Boipelo1700RSA−1N=19B−5N=17N+24B+15B+21N4.021.022.08.751719+3.2
10Vorster, Stephanus1791RSA+21N=12B=8N−20B+22N+16B−4B4.020.021.510.251826+6.0
11Songo, Divine1755RSA+25N−2N+15B−14B−16N+19B+20N4.019.520.58.501829+26.8
12Mabusela, Johannes ManyediIM2109RSAF=10N+25B+13N=4B−1N=2N3.525.525.512.002002-14.4
13Coetsee, Dewald1818RSA+23N+24B=1N−12B+14N−2B−6B3.524.025.08.501866+18.8
14Sathish, Abinavah1926RSA+26N+20B−4B+11N−13B=6N−5N3.524.024.58.751809-42.4
15Rautenbach, Helen Christine1607RSA+5N−3B−11N=22B=8B−9N+23B3.023.524.58.251688+26.8
16Hamalala, Ronald1692NZL−2B+22N−6B+24N+11B−10N−7B3.023.524.56.501693-2.4
17Phala, Arthur1654RSA−3N=5B=19N=9B−21N+26B=18B3.021.021.57.251661+0.6
18Van Meersbergen, Ettienne1772RSA+19N−1B−20N+21B−5N−7B=17N2.522.024.06.001608-63.6
19Brits, Etienne1544RSA−18B=9N=17B=26N+23B−11N−8B2.518.519.04.751608+20.8
20Mahlangu, Moshito1670RSAF−14N+18B+10N−3B−4N−11B2.025.025.06.501738+18.0
21Gondwe, Prosper1579RSA−10B−7B+23N−18N+17B−8N−9B2.021.522.54.001563-8.4
22Slabbert, Zander Nicolaas1578RSA−8N−16B+26B=15N−10B−23NF1.515.515.52.001504-22.8
23Lodi, Khotso1647RSA−13B−6N−21BF−19N+22B−15N1.017.017.01.501401-36.2
24De Waal, Nadine1481RSAF−13N−7B−16B−9NF+26B1.015.015.00.501477-1.6
25Du Plessis, Heinco2043RSA−11B+26N−12NFFFF1.08.08.00.501719-23.2
26Ndlovu, Dumisile1668RSA−14B−25B−22N=19BF−17N−24N0.512.512.51.251303-92.8

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets