PLAYER TOURNAMENT DETAILS
Petronellah Nobela
2010151838Sedibeng (GSV)Tournament details
| Tour Id | 20253801 |
| Group Id | 20253800 |
| Name | USSA Chess Championships 2025 |
| Section | Ladies |
| Rounds | 9 |
| Format | Swiss |
| Type | Classical |
| Start | 2025-12-01 |
| End | 2025-12-05 |
| Submitted | 2025-12-24 |
| Rated | 2025-12-24 |
| Submit age weight | 1 |
| Host | Johannesburg Metro (GJM) |
| Total time | 120 |
| Time weight | 1 |
| Official results | Official results |
General
| Games | 9 |
| Score | 2.5 |
| Percent | 27.8 |
| Dp | -188.9 |
| Aor | 1193 |
| Perform | 1004.1 |
| Penalties | 0 |
| Wins | 2 |
| Draws | 1 |
| Losses | 6 |
| White | 4 |
| Black | 5 |
| White wins | 2 |
| Black wins | 0 |
| Default wins | 0 |
| Default losses | 0 |
| Byes | 0 |
| Half byes | 0 |
| Rank | 90 |
| Final Pos | 104 |
| Share Pos | 103 |
| Count for rating | Yes |
Analysis (Main)
| Rating | 1170.3 |
| K-factor | 20 |
| Score | 2.5 |
| Expected score | 4.22 |
| Score - Expected score | -1.72 |
| Rating +/- | -34.4 |
Analysis (Type)
| Rating | 1083.3 |
| K-factor | 20 |
| Score | 2.5 |
| Expected score | 3.33 |
| Score - Expected score | -0.83 |
| Rating +/- | -16.6 |
Opponents
| Round | Date | Opponent | Fed | Title | Main | Type | Col | Res | Main | Type | Cfr | ||||
| We | Swe | +/- | We | Swe | +/- | ||||||||||
| 1 | 2025-12-01 | Mudzengerere, M (Makaita) | GJM | 1272.2 | 1242.8 | W | 0 | 0.42 | -0.42 | -8.4 | 0.36 | -0.36 | -7.2 | Yes | |
| 2 | 2025-12-01 | Mofokeng, D (Disebo) | FMB | 1401.3 | 1399.7 | W | 0 | 0.27 | -0.27 | -5.4 | 0.17 | -0.17 | -3.4 | Yes | |
| 3 | 2025-12-02 | Ezeji, K (Kelly) | FMB | 1200 | 1200 | B | 0 | 0.42 | -0.42 | -8.4 | 0.32 | -0.32 | -6.4 | Yes | |
| 4 | 2025-12-02 | Gazide, T (Thando) | GSV | 1200 | 1200 | B | 0 | 0.42 | -0.42 | -8.4 | 0.32 | -0.32 | -6.4 | Yes | |
| 5 | 2025-12-03 | Xate, T (Tsegofatso) | GJM | 1200 | 1200 | W | 1 | 0.51 | 0.49 | 9.8 | 0.41 | 0.59 | 11.8 | Yes | |
| 6 | 2025-12-04 | Mangwane, N (Neo) | GSV | 1105 | 1105.9 | B | 0 | 0.53 | -0.53 | -10.6 | 0.43 | -0.43 | -8.6 | Yes | |
| 7 | 2025-12-04 | Kataka, TA (Angel) | LCP | 1071.6 | 1081.1 | W | 1 | 0.66 | 0.34 | 6.8 | 0.54 | 0.46 | 9.2 | Yes | |
| 8 | 2025-12-05 | Msimango, N (Nonkululeko) | KED | 1087 | 1085.4 | B | 0.5 | 0.56 | -0.06 | -1.2 | 0.46 | 0.04 | 0.8 | Yes | |
| 9 | 2025-12-05 | Molepo, M (Malema) | LCP | 1200.1 | 1205.1 | B | 0 | 0.42 | -0.42 | -8.4 | 0.32 | -0.32 | -6.4 | Yes | |