CChessStats

11th Piet van Zyl Festival 2025 (A)

Open SwissStandard

18 players participated in this 5-round tournament, held from 10 Oct 2025 to 11 Oct 2025 in Bloemfontein, South Africa. Top 10 Elo average was 1746, and top seed was Daniel Wium (🇿🇦 RSA, 1968).

Ofentse Modirwa (🇿🇦 RSA, 1699) won with 4.0/5, ahead of Daniel Wium (4.0) and Laviens Makhetha (4.0). Modirwa shared the lead from round 2, winning on tie-break.

The biggest upset came in round 5: Johrne Rossouw (1530) beat Robert Stott (1777), a +247-point gap.

Location
🇿🇦Bloemfontein, South Africa
Dates
10 Oct 2025 → 11 Oct 2025
Time control
Standard: All Moves in 60 Min. Incr. 5 Sec. / /
System
Swiss · 5 rounds
Top seed
🇿🇦Daniel Wium1968
Avg top 10
1,746
Participants
18
Federations · 1 represented
🇿🇦South Africa×18
Top 3

How it unfolded

Top 6 · 5 rounds

Tight race until R5; 3 players tied at 4.0/5, decided on Buchholz. Title race narrowed from 2 co-leaders at R4 to 3 at the finish.

Co-leaders
8
3
1
2
3
1.52.545R1R2R3R4R5
Wium4Modirwa4Makhetha4Sekharume3.5Rossouw3.5Feng3
R5 · TIEBREAK CLUSTER

3 players finish on 4.0/5. Modirwa takes the title on Buchholz Cut1 (14.0).

R4 · HEAD-TO-HEAD · WINNER VS 2ND

Daniel Wium drew with Ofentse Modirwa (White).

R1–R3 · WIN STREAK

Ofentse Modirwa won 3 in a row (R1–R3).

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1Daniel Wium*
½
½
—
2Ofentse Modirwa
½
*
½
1
3Laviens Makhetha
½
½
*—
4Lefu Sekharume—
0
—*

Grille américaine

#PlayerEloFedR1R2R3R4R5PtsBu C1BuSBPerfΔ
1Modirwa, Ofentse1699RSA+17B+10N+4B=2N=3B4.014.014.510.502002+31.0
2Wium, Daniel1968RSA+9B+15N=3B=1B+8N4.013.014.510.501911-4.2
3Makhetha, Laviens1806RSA+16B+11N=2N+8B=1N4.012.513.59.501917+22.4
4Sekharume, Lefu1928RSA+5N=8B−1N+10B+9N3.512.515.09.751703-19.2
5Rossouw, Johrne1530RSA−4B=6N+13B+11N+12B3.510.512.57.501853+29.2
6Feng, Sheng-Ming0RSA−8N=5B=7N+17B+14B3.011.011.55.7516400.0
7Smit, Albert1651RSA=13B−12N=6B+15N+11B3.09.010.56.001712+6.4
8Solven, Sihle1633RSA+6B=4N+15B−3N−2B2.514.516.06.251750+19.2
9de Villiers, HJ1569RSA−2N+17B=10B+12N−4B2.512.012.53.751802+41.6
10Pretorius, Leighan0RSA+14B−1B=9N−4N+18B2.512.012.53.7516500.0
11Mantje, Katleho0RSA+12B−3B+14N−5B−7N2.012.514.54.0016310.0
12Stott, Robert1777RSA−11N+7B+16N−9B−5N2.011.012.04.001587-39.6
13McLachlan, James0RSA=7N−14B−5N+18N=15B2.010.010.52.7514520.0
14Van Der Merwe, Christiaan1751RSA−10N+13N−11B+16B−6N2.09.510.53.002397+11.6
15Weng, Qi1646RSA+18N−2B−8N−7B=13N1.511.512.01.50951-45.6
16Landman, Johan1598RSA−3N+18B−12B−14NF1.08.59.00.50978-31.2
17Lebenya, Agnes1535RSA−1N−9N=18B−6NF0.510.511.00.25835-29.2
18Ebersohn, Dewald0RSA−15B−16N=17N−13B−10N0.57.07.50.2513200.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets