PLAYER TOURNAMENT DETAILS
Christopher David Yoko
1030144946Johannesburg Metro (GJM)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 | 6.5 |
| Percent | 72.2 |
| Dp | 188.9 |
| Aor | 1516.9 |
| Perform | 1705.8 |
| Penalties | 0 |
| Wins | 6 |
| Draws | 1 |
| Losses | 2 |
| White | 4 |
| Black | 5 |
| White wins | 1 |
| Black wins | 5 |
| Default wins | 0 |
| Default losses | 0 |
| Byes | 0 |
| Half byes | 0 |
| Rank | 13 |
| Final Pos | 11 |
| Share Pos | 9 |
| Count for rating | Yes |
Analysis (Main)
| Rating | 1777.8 |
| K-factor | 20 |
| Score | 6.5 |
| Expected score | 7.19 |
| Score - Expected score | -0.69 |
| Rating +/- | -13.8 |
Analysis (Type)
| Rating | 1807.5 |
| K-factor | 20 |
| Score | 6.5 |
| Expected score | 7.54 |
| Score - Expected score | -1.04 |
| Rating +/- | -20.8 |
Opponents
| Round | Date | Opponent | Fed | Title | Main | Type | Col | Res | Main | Type | Cfr | ||||
| We | Swe | +/- | We | Swe | +/- | ||||||||||
| 1 | 2025-12-01 | Ngakantsi, G (Gosego) | FMB | 1341 | 1316.5 | B | 1 | 0.97 | 0.03 | 0.6 | 0.99 | 0.01 | 0.2 | Yes | |
| 2 | 2025-12-01 | Mathye, S (Samuel) | GTP | 1595.9 | 1584.6 | W | 0 | 0.75 | -0.75 | -15 | 0.8 | -0.8 | -16 | Yes | |
| 3 | 2025-12-02 | Molefe, T (Thabiso) | GJM | 1345.8 | 1321.1 | B | 1 | 0.96 | 0.04 | 0.8 | 0.99 | 0.01 | 0.2 | Yes | |
| 4 | 2025-12-02 | Dunkley, J (Jaydon) | KED | 1468.6 | 1456.3 | W | 1 | 0.9 | 0.1 | 2 | 0.95 | 0.05 | 1 | Yes | |
| 5 | 2025-12-03 | Selala, A (Austin) | GJM | 1365.6 | 1365.8 | B | 1 | 0.94 | 0.06 | 1.2 | 0.97 | 0.03 | 0.6 | Yes | |
| 6 | 2025-12-04 | Makhetha, L (Laviens) | WCT | 1855.5 | 1800.9 | W | 0.5 | 0.45 | 0.05 | 1 | 0.55 | -0.05 | -1 | Yes | |
| 7 | 2025-12-04 | Nkogatse, P (Phafane) | GTP | 1677.6 | 1679 | B | 1 | 0.57 | 0.43 | 8.6 | 0.61 | 0.39 | 7.8 | Yes | |
| 8 | 2025-12-05 | Shoba, L (Lundi) | KUR | 1659.9 | 1688.4 | W | 0 | 0.68 | -0.68 | -13.6 | 0.68 | -0.68 | -13.6 | Yes | |
| 9 | 2025-12-05 | Biyela, M (Mpatho) | KUR | 1342.5 | 1331.7 | B | 1 | 0.96 | 0.04 | 0.8 | 0.99 | 0.01 | 0.2 | Yes | |