CChessStats

2025 Midstream Open Chess Tournament (B)

Open SwissStandard

13 players participated in this 5-round tournament, held on 23 Aug 2025 in Centurion, South Africa. Top 10 Elo average was 1563, and top seed was Liliya Anthonissen (🇿🇦 RSA, 1648).

Neo Kekana (🇿🇦 RSA, 1603) won with 4.5/5, ahead of Gerrit Janse Van Rensburg (4.0) and Luca Kock (3.5). Kekana shared the lead from round 4 and broke clear in the final round.

The biggest upset came in round 3: Ingrid Anne-Christie Conradie (1422) beat Johannes Jacobs (1585), a +163-point gap.

Location
🇿🇦Centurion, South Africa
Dates
23 Aug 2025
Time control
Standard: All Moves in 55 Min. Incr. 5 Sec. / /
System
Swiss · 5 rounds
Top seed
🇿🇦Liliya Anthonissen1648
Avg top 10
1,563
Participants
13
Federations · 1 represented
🇿🇦South Africa×13
Top 3

How it unfolded

Top 6 · 5 rounds

Neo Kekana led from R5; +0.5-point edge over the runner-up. Title race converged from 2 co-leaders at R4 to 1 by R5.

Co-leaders
5
3
1
2
1
1.52.545R1R2R3R4R5Kekana takes lead
R5 · LEADER CHANGE25 Aug

Neo Kekana takes the sole lead (4.5/5).

R4 · HEAD-TO-HEAD · WINNER VS 2ND

Neo Kekana beat Gerrit Janse Van Rensburg (Black).

R1–R3 · WIN STREAK

Gerrit Janse Van Rensburg won 3 in a row (R1–R3).

Key matchups · top 4

Head-to-head between the four finishers

Grille américaine

#PlayerEloFedR1R2R3R4R5PtsBu C1BuSBPerfΔ
1Kekana, Neo1603RSA+3B+7N=4B+2N+6B4.513.516.014.251929+69.2
2Janse Van Rensburg, Gerrit1604RSA+9N+11B+10N1B+4B4.010.011.06.501798+24.0
3Kock, Luca1448RSA1N+6B+8N=5B+10N3.512.013.06.751683+47.2
4Khumalo, Siyabonga Samuel Khutso1613RSA+13N+10B=1N+9B2N3.510.510.54.251681+19.2
5Baloyi, Boikanyo0RSA=6N=12B+7B=3N+8B3.510.010.57.251657+13.2
6Gounder, Arun1579RSA=5B3N+12N+11B1N2.512.513.03.251578-0.4
7Rust, Christoph1556RSA+12N1B5N=8B+9N2.510.511.02.251566+2.4
8Westermann, Liezl0RSA11N+13B3B=7N5N1.510.510.51.2513820.0
9Conradie, Ingrid Anne-Christie1422RSA2BF+11N4N7B1.011.011.01.001395-4.8
10Rammala, Tlale Ronald1576RSAF4N2B+13N3B1.011.011.00.001342-48.8
11Jacobs, Johannes1585RSA+8B2N9B6NF1.09.09.01.50734-67.2
12Anthonissen, Liliya1648RSA7B=5N6BFF0.58.58.51.751303-52.4
13Botha, Johannes Cornel0RSA4B8NF10BF0.07.07.00.00794-25.6

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets