PLAYER TOURNAMENT DETAILS
Calvin Mahlangu
1000103317Tshwane (GTP)Tournament details
| Tour Id | 20253802 |
| Group Id | 20253800 |
| Name | USSA Chess Championships 2025 |
| Section | Open |
| 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 | 4.5 |
| Percent | 50 |
| Dp | 0 |
| Aor | 1449.7 |
| Perform | 1449.7 |
| Penalties | 0 |
| Wins | 4 |
| Draws | 1 |
| Losses | 4 |
| White | 5 |
| Black | 4 |
| White wins | 2 |
| Black wins | 2 |
| Default wins | 0 |
| Default losses | 0 |
| Byes | 0 |
| Half byes | 0 |
| Rank | 132 |
| Final Pos | 84 |
| Share Pos | 76 |
| Count for rating | Yes |
Analysis (Main)
| Rating | 1311.3 |
| K-factor | 20 |
| Score | 4.5 |
| Expected score | 3.09 |
| Score - Expected score | 1.41 |
| Rating +/- | 28.2 |
Analysis (Type)
| Rating | 1233.5 |
| K-factor | 20 |
| Score | 4.5 |
| Expected score | 2.26 |
| Score - Expected score | 2.24 |
| Rating +/- | 44.8 |
Opponents
| Round | Date | Opponent | Fed | Title | Main | Type | Col | Res | Main | Type | Cfr | ||||
| We | Swe | +/- | We | Swe | +/- | ||||||||||
| 1 | 2025-12-01 | Khumalo, M (Moletelo) | GSV | 1575.2 | 1587.9 | W | 0 | 0.23 | -0.23 | -4.6 | 0.13 | -0.13 | -2.6 | Yes | |
| 2 | 2025-12-01 | Mokgoatjana, P (Pontsho) | LCP | 1359.5 | 1366.6 | B | 1 | 0.4 | 0.6 | 12 | 0.3 | 0.7 | 14 | Yes | |
| 3 | 2025-12-02 | Summer, M (Masilo) | GSV | 1348.9 | 1363.3 | W | 1 | 0.5 | 0.5 | 10 | 0.39 | 0.61 | 12.2 | Yes | |
| 4 | 2025-12-02 | Bonani, L (Likhona) | EAL | 1622.2 | 1623.3 | B | 0 | 0.1 | -0.1 | -2 | 0 | 0 | 0 | Yes | |
| 5 | 2025-12-03 | Nyali, A (Amyoli) | EAL | 1521.1 | 1521.9 | W | 0 | 0.3 | -0.3 | -6 | 0.21 | -0.21 | -4.2 | Yes | |
| 6 | 2025-12-04 | Zondi, O (Owethu) | GJM | 1366.3 | 1342.5 | W | 0.5 | 0.48 | 0.02 | 0.4 | 0.41 | 0.09 | 1.8 | Yes | |
| 7 | 2025-12-04 | Mxenge, A (Afika) | EAL | 1531.2 | 1532.8 | B | 0 | 0.2 | -0.2 | -4 | 0.11 | -0.11 | -2.2 | Yes | |
| 8 | 2025-12-05 | Selepe, K (Kabelo) | ESB | 1399.3 | 1395 | B | 1 | 0.36 | 0.64 | 12.8 | 0.27 | 0.73 | 14.6 | Yes | |
| 9 | 2025-12-05 | Sedumedi, T (Thapeolo) | GTP | 1323.8 | 1332.1 | W | 1 | 0.53 | 0.47 | 9.4 | 0.43 | 0.57 | 11.4 | Yes | |