PLAYER TOURNAMENT DETAILS
Dumisa Jacob Nkosi
182027949Ehlanzeni (MEN)Tournament details
| Tour Id | 20251980 |
| Group Id | 20251967 |
| Name | South African Open 2025 |
| Section | Championship |
| Rounds | 11 |
| Format | Swiss |
| Type | Classical |
| Start | 2025-06-28 |
| End | 2025-07-05 |
| Submitted | 2025-07-06 |
| Rated | 2025-07-06 |
| Submit age weight | 1 |
| Host | Johannesburg Metro (GJM) |
| Total time | 120 |
| Time weight | 1 |
| Official results | Official results |
General
| Games | 10 |
| Score | 0.5 |
| Percent | 5 |
| Dp | -382.5 |
| Aor | 1831.6 |
| Perform | 1449.1 |
| Penalties | 0 |
| Wins | 0 |
| Draws | 1 |
| Losses | 9 |
| White | 5 |
| Black | 5 |
| White wins | 0 |
| Black wins | 0 |
| Default wins | 0 |
| Default losses | 0 |
| Byes | 1 |
| Half byes | 0 |
| Rank | 40 |
| Final Pos | 44 |
| Share Pos | 44 |
| Count for rating | Yes |
Analysis (Main)
| Rating | 1819.9 |
| K-factor | 20 |
| Score | 0.5 |
| Expected score | 4.86 |
| Score - Expected score | -4.36 |
| Rating +/- | -87.2 |
Analysis (Type)
| Rating | 1842.7 |
| K-factor | 20 |
| Score | 0.5 |
| Expected score | 4.99 |
| Score - Expected score | -4.49 |
| Rating +/- | -89.8 |
Opponents
| Round | Date | Opponent | Fed | Title | Main | Type | Col | Res | Main | Type | Cfr | ||||
| We | Swe | +/- | We | Swe | +/- | ||||||||||
| 1 | 2025-06-28 | Selepe, LN (Lwazi) | WCT | RM | 2059.5 | 2075.2 | B | 0 | 0.18 | -0.18 | -3.6 | 0.19 | -0.19 | -3.8 | Yes |
| 2 | 2025-06-28 | Fwati, C (Chipepo Kunda) | GJM | 1998 | 1998 | W | 0 | 0.33 | -0.33 | -6.6 | 0.36 | -0.36 | -7.2 | Yes | |
| 3 | 2025-06-29 | Peter, NM (Neathan Mninawa) | ENM | CM | 1964.8 | 1970.3 | B | 0 | 0.29 | -0.29 | -5.8 | 0.31 | -0.31 | -6.2 | Yes |
| 4 | 2025-06-29 | 0 | 0 | Y | 1 | 0 | 0 | 0 | 0 | 0 | 0 | No (Bye) | |||
| 5 | 2025-06-30 | Li, Z (Zhengfei) | GJM | 1839.5 | 1841.7 | W | 0 | 0.52 | -0.52 | -10.4 | 0.54 | -0.54 | -10.8 | Yes | |
| 6 | 2025-07-01 | Matsaung, T (Thapelo) | WCT | 1763.1 | 1779.4 | B | 0 | 0.52 | -0.52 | -10.4 | 0.53 | -0.53 | -10.6 | Yes | |
| 7 | 2025-07-02 | Tak, R (Rannveer) | NBR | JM | 1776.6 | 1812.5 | B | 0 | 0.51 | -0.51 | -10.2 | 0.49 | -0.49 | -9.8 | Yes |
| 8 | 2025-07-03 | Deysel, K (Kaleb) | GJM | 1799.9 | 1803.3 | W | 0.5 | 0.57 | -0.07 | -1.4 | 0.59 | -0.09 | -1.8 | Yes | |
| 9 | 2025-07-04 | Chettiar, E (Evasan) | GJM | 1855.4 | 1877.4 | B | 0 | 0.42 | -0.42 | -8.4 | 0.42 | -0.42 | -8.4 | Yes | |
| 10 | 2025-07-04 | Pitschka, C (Claus) | GER | 1492.6 | 1492.6 | W | 0 | 0.92 | -0.92 | -18.4 | 0.95 | -0.95 | -19 | Yes | |
| 11 | 2025-07-05 | Nel, H (Hayley) | GJM | WCM | 1766.5 | 1782.5 | W | 0 | 0.6 | -0.6 | -12 | 0.61 | -0.61 | -12.2 | Yes |