PLAYER TOURNAMENT DETAILS
Yu Bo (David) Weng
1100117290Ethekwini (KED)Tournament details
| Tour Id | 20251978 |
| Group Id | 20251967 |
| Name | South African Open 2025 |
| Section | B |
| 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 | 11 |
| Score | 7.5 |
| Percent | 68.2 |
| Dp | 154.5 |
| Aor | 1653.2 |
| Perform | 1807.8 |
| Penalties | 0 |
| Wins | 7 |
| Draws | 1 |
| Losses | 3 |
| White | 6 |
| Black | 5 |
| White wins | 4 |
| Black wins | 3 |
| Default wins | 0 |
| Default losses | 0 |
| Byes | 0 |
| Half byes | 0 |
| Rank | 38 |
| Final Pos | 18 |
| Share Pos | 14 |
| Count for rating | Yes |
Analysis (Main)
| Rating | 1715.4 |
| K-factor | 20 |
| Score | 7.5 |
| Expected score | 6.19 |
| Score - Expected score | 1.31 |
| Rating +/- | 26.2 |
Analysis (Type)
| Rating | 1714.3 |
| K-factor | 20 |
| Score | 7.5 |
| Expected score | 6.14 |
| Score - Expected score | 1.36 |
| Rating +/- | 27.2 |
Opponents
| Round | Date | Opponent | Fed | Title | Main | Type | Col | Res | Main | Type | Cfr | ||||
| We | Swe | +/- | We | Swe | +/- | ||||||||||
| 1 | 2025-06-28 | Sehlalo, L (Lehlohonolo) | KUR | 1320 | 1327.2 | W | 0.5 | 1 | -0.5 | -10 | 0.99 | -0.49 | -9.8 | Yes | |
| 2 | 2025-06-28 | Lake, E (Ethan) | GE | 1492.6 | 1459.5 | B | 1 | 0.72 | 0.28 | 5.6 | 0.75 | 0.25 | 5 | Yes | |
| 3 | 2025-06-29 | Marimbita, B (Blessing) | GJM | 1200 | 1200 | W | 1 | 1 | 0 | 0 | 1 | 0 | 0 | Yes | |
| 4 | 2025-06-29 | Van Meersbergen, E (Ettienne) | GTP | 1735.9 | 1737.2 | B | 1 | 0.43 | 0.57 | 11.4 | 0.43 | 0.57 | 11.4 | Yes | |
| 5 | 2025-06-30 | Kruger, T (Tobias) | GJM | JM | 1842.2 | 1845.4 | W | 1 | 0.39 | 0.61 | 12.2 | 0.39 | 0.61 | 12.2 | Yes |
| 6 | 2025-07-01 | Mathebula, X (Xolani Cebo) | NCF | 1913.9 | 1926 | B | 0 | 0.23 | -0.23 | -4.6 | 0.21 | -0.21 | -4.2 | Yes | |
| 7 | 2025-07-02 | Teeke, K (Karabo) | NBR | 1898 | 1901.6 | W | 1 | 0.33 | 0.67 | 13.4 | 0.32 | 0.68 | 13.6 | Yes | |
| 8 | 2025-07-03 | Maphage, B (Benedict) | GJM | 1527.4 | 1526.6 | B | 1 | 0.68 | 0.32 | 6.4 | 0.68 | 0.32 | 6.4 | Yes | |
| 9 | 2025-07-04 | Ngcongo, M (Minenhle) | KED | 1960.1 | 1979.2 | W | 0 | 0.26 | -0.26 | -5.2 | 0.23 | -0.23 | -4.6 | Yes | |
| 10 | 2025-07-04 | Shaik, M (Muhaimin) | GJM | 1529.2 | 1559.5 | B | 0 | 0.67 | -0.67 | -13.4 | 0.64 | -0.64 | -12.8 | Yes | |
| 11 | 2025-07-05 | Songo, D (Divine) | GTP | 1766.1 | 1760.6 | W | 1 | 0.48 | 0.52 | 10.4 | 0.49 | 0.51 | 10.2 | Yes | |