TOURNAMENT DETAILS
11th Piet van Zyl Chess Festival 2025 (A)
| # | Chess SA id | FIDE id | Name | Region | Rating | Games | Score | % | Dp | Aor | Perform | We | Swe | Rat+/- |
| 1 | 1100098157 | 14360535 | De Villiers, H (Hj) | Mangaung (FMB) | 1611.4 | 5 | 2.5 | 50 | 0 | 1670.2 | 1670.2 | 2.2 | 0.3 | 5 |
| 2 | 1080308703 | 534032932 | Ebersohn, D (Dewald) | Mangaung (FMB) | 1377.8 | 5 | 0.5 | 10 | -340 | 1438.4 | 1098.4 | 2.1 | -1.6 | -26.9 |
| 3 | 196009309 | Feng, SM (Sheng-Ming) | Lejweleputswa (FLW) | 1325.2 | 5 | 3 | 60 | 85 | 1488 | 1573 | 1.6 | 1.4 | 23.5 | |
| 4 | 172017078 | Landman, J (Johan) | Mangaung (FMB) | 1356.2 | 4 | 1 | 25 | -212.5 | 1571.5 | 1359 | 1.12 | -0.12 | -2 | |
| 5 | 206086189 | Lebenya, A (Agnes) | Mangaung (FMB) | 1381.1 | 4 | 0.5 | 12.5 | -318.8 | 1521.8 | 1202.9 | 1.26 | -0.76 | -12.8 | |
| 6 | 102092555 | Makhetha, L (Laviens) | Cape Town (WCT) | 1849.4 | 5 | 4 | 80 | 255 | 1640.4 | 1895.4 | 3.57 | 0.43 | 7.2 | |
| 7 | 101069842 | Mantje, K (Katleho) | Mangaung (FMB) | 1567.3 | 5 | 2 | 40 | -85 | 1595.1 | 1510.1 | 2.38 | -0.38 | -6.4 | |
| 8 | 1080149097 | Mclachlan, J (James) | Mangaung (FMB) | 1396.8 | 5 | 2 | 40 | -85 | 1476.9 | 1391.9 | 1.99 | 0.01 | 0.2 | |
| 9 | 102023635 | Modirwa, O (Ofentse) | Mangaung (FMB) | 1772.6 | 5 | 4 | 80 | 255 | 1711.1 | 1966.1 | 2.9 | 1.1 | 18.5 | |
| 10 | 1050136744 | Pretorius, L (Leighan) | Mangaung (FMB) | 1532.1 | 5 | 2.5 | 50 | 0 | 1608.1 | 1608.1 | 2.1 | 0.4 | 6.7 | |
| 11 | 108086187 | 14349809 | Rossouw, J (Johrne) | Mangaung (FMB) | 1604.1 | 5 | 3.5 | 70 | 170 | 1559.9 | 1729.9 | 2.79 | 0.71 | 11.9 |
| 12 | 198082772 | Sekharume, L (Lefu) | Mangaung (FMB) | 1865 | 5 | 3.5 | 70 | 170 | 1619.6 | 1789.6 | 3.89 | -0.39 | -6.6 | |
| 13 | 105035097 | Smit, A (Albert) | Mangaung (FMB) | 1463 | 5 | 3 | 60 | 85 | 1492 | 1577 | 2.37 | 0.63 | 10.6 | |
| 14 | 102068522 | Solven, S (Sihle) | Mangaung (FMB) | 1577.9 | 5 | 2.5 | 50 | 0 | 1698.7 | 1698.7 | 1.83 | 0.67 | 11.3 | |
| 15 | 172036486 | Stott, RC (Robert Carl) | Mangaung (FMB) | 1645 | 5 | 2 | 40 | -85 | 1520.4 | 1435.4 | 3.18 | -1.18 | -19.8 | |
| 16 | 187039088 | Van Der Merwe, CF (Christiaan Frederik) | Mangaung (FMB) | 1413.8 | 5 | 2 | 40 | -85 | 1435.5 | 1350.5 | 2.33 | -0.33 | -5.5 | |
| 17 | 1090143830 | 14397501 | Weng, Q (Qi) | Mangaung (FMB) | 1525.9 | 5 | 1.5 | 30 | -170 | 1548.7 | 1378.7 | 2.33 | -0.83 | -13.9 |
| 18 | 182043148 | Wium, DJ (Daniel Jacobus) | Mangaung (FMB) | 1928 | 5 | 4 | 80 | 255 | 1667.4 | 1922.4 | 4.06 | -0.06 | -1 |
| # | Status | Name | Title | Chess SA id | FIDE id | Region |
| 1 | Chief Arbiter | De Winnaar, B (Benjamin) | IA | 175006991 | Mangaung (FMB) | |
| 2 | Deputy Chief Arbiter | De Wet, A (Anjurie) | FA | 293006926 | Mangaung (FMB) |
| # | Rnd | Date | Name | Title | Fed | Rating | Res | Rating | Fed | Title | Name | Diff |
| 1 | 2 | 2025-10-10 | Sekharume, L (Lefu) | FMB | 1865 | 0.5-0.5 | 1577.9 | FMB | Solven, S (Sihle) | 143.5 | ||
| 2 | 2 | 2025-10-10 | Feng, SM (Sheng-Ming) | FLW | 1325.2 | 0.5-0.5 | 1604.1 | FMB | Rossouw, J (Johrne) | 139.5 | ||
| 3 | 5 | 2025-10-11 | Smit, A (Albert) | FMB | 1463 | 1-0 | 1567.3 | FMB | Mantje, K (Katleho) | 104.3 | ||
| 4 | 3 | 2025-10-11 | Modirwa, O (Ofentse) | FMB | 1772.6 | 1-0 | 1865 | FMB | Sekharume, L (Lefu) | 92.4 | ||
| 5 | 5 | 2025-10-11 | Feng, SM (Sheng-Ming) | FLW | 1325.2 | 1-0 | 1413.8 | FMB | Van Der Merwe, CF (Christiaan Frederik) | 88.6 | ||
| 6 | 4 | 2025-10-11 | Wium, DJ (Daniel Jacobus) | FMB | 1928 | 0.5-0.5 | 1772.6 | FMB | Modirwa, O (Ofentse) | 77.7 | ||
| 7 | 1 | 2025-10-10 | Mantje, K (Katleho) | FMB | 1567.3 | 1-0 | 1645 | FMB | Stott, RC (Robert Carl) | 77.7 | ||
| 8 | 3 | 2025-10-11 | Smit, A (Albert) | FMB | 1463 | 0.5-0.5 | 1325.2 | FLW | Feng, SM (Sheng-Ming) | 68.9 | ||
| 9 | 5 | 2025-10-11 | Mclachlan, J (James) | FMB | 1396.8 | 0.5-0.5 | 1525.9 | FMB | Weng, Q (Qi) | 64.5 | ||
| 10 | 4 | 2025-10-11 | Weng, Q (Qi) | FMB | 1525.9 | 0-1 | 1463 | FMB | Smit, A (Albert) | 62.9 | ||
| 11 | 4 | 2025-10-11 | Feng, SM (Sheng-Ming) | FLW | 1325.2 | 1-0 | 1381.1 | FMB | Lebenya, A (Agnes) | 55.9 | ||
| 12 | 5 | 2025-10-11 | Rossouw, J (Johrne) | FMB | 1604.1 | 1-0 | 1645 | FMB | Stott, RC (Robert Carl) | 40.9 | ||
| 13 | 3 | 2025-10-11 | De Villiers, H (Hj) | FMB | 1611.4 | 0.5-0.5 | 1532.1 | FMB | Pretorius, L (Leighan) | 39.7 | ||
| 14 | 3 | 2025-10-11 | Wium, DJ (Daniel Jacobus) | FMB | 1928 | 0.5-0.5 | 1849.4 | WCT | Makhetha, L (Laviens) | 39.3 | ||
| 15 | 5 | 2025-10-11 | Modirwa, O (Ofentse) | FMB | 1772.6 | 0.5-0.5 | 1849.4 | WCT | Makhetha, L (Laviens) | 38.4 | ||
| 16 | 4 | 2025-10-11 | Stott, RC (Robert Carl) | FMB | 1645 | 0-1 | 1611.4 | FMB | De Villiers, H (Hj) | 33.6 | ||
| 17 | 1 | 2025-10-10 | Smit, A (Albert) | FMB | 1463 | 0.5-0.5 | 1396.8 | FMB | Mclachlan, J (James) | 33.1 | ||
| 18 | 2 | 2025-10-10 | Landman, J (Johan) | FMB | 1356.2 | 1-0 | 1377.8 | FMB | Ebersohn, D (Dewald) | 21.6 | ||
| 19 | 3 | 2025-10-11 | Lebenya, A (Agnes) | FMB | 1381.1 | 0.5-0.5 | 1377.8 | FMB | Ebersohn, D (Dewald) | 1.6 |