PLAYER TOURNAMENT DETAILS
Michal Jacobus Oosthuizen
105029067Tshwane (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 | 6 |
| Percent | 66.7 |
| Dp | 141.7 |
| Aor | 1541.8 |
| Perform | 1683.5 |
| Penalties | 0 |
| Wins | 4 |
| Draws | 4 |
| Losses | 1 |
| White | 4 |
| Black | 5 |
| White wins | 1 |
| Black wins | 3 |
| Default wins | 0 |
| Default losses | 0 |
| Byes | 0 |
| Half byes | 0 |
| Rank | 1 |
| Final Pos | 28 |
| Share Pos | 18 |
| Count for rating | Yes |
Analysis (Main)
| Rating | 2089.5 |
| K-factor | 20 |
| Score | 6 |
| Expected score | 8.74 |
| Score - Expected score | -2.74 |
| Rating +/- | -54.8 |
Analysis (Type)
| Rating | 2101.9 |
| K-factor | 20 |
| Score | 6 |
| Expected score | 8.73 |
| Score - Expected score | -2.73 |
| Rating +/- | -54.6 |
Opponents
| Round | Date | Opponent | Fed | Title | Main | Type | Col | Res | Main | Type | Cfr | ||||
| We | Swe | +/- | We | Swe | +/- | ||||||||||
| 1 | 2025-12-01 | Rasebeshela, M (Mutshidzi) | GSV | 1359.4 | 1369.4 | B | 1 | 0.99 | 0.01 | 0.2 | 0.99 | 0.01 | 0.2 | Yes | |
| 2 | 2025-12-01 | Njoku, G (Greatman) | GJM | 1682.6 | 1669.6 | W | 1 | 1 | 0 | 0 | 1 | 0 | 0 | Yes | |
| 3 | 2025-12-02 | Shoba, L (Lundi) | KUR | 1659.9 | 1688.4 | B | 0.5 | 0.96 | -0.46 | -9.2 | 0.94 | -0.44 | -8.8 | Yes | |
| 4 | 2025-12-02 | Holwill, AJ (Alex) | WCT | 1554.8 | 1554.2 | W | 0 | 1 | -1 | -20 | 1 | -1 | -20 | Yes | |
| 5 | 2025-12-03 | Biyela, M (Mpatho) | KUR | 1342.5 | 1331.7 | B | 0.5 | 0.99 | -0.49 | -9.8 | 0.99 | -0.49 | -9.8 | Yes | |
| 6 | 2025-12-04 | Selala, A (Austin) | GJM | 1365.6 | 1365.8 | W | 0.5 | 1 | -0.5 | -10 | 1 | -0.5 | -10 | Yes | |
| 7 | 2025-12-04 | Sambo, I (Iyazi) | MEN | 1536.5 | 1536.6 | B | 1 | 0.99 | 0.01 | 0.2 | 0.99 | 0.01 | 0.2 | Yes | |
| 8 | 2025-12-05 | Solven, S (Sihle) | FMB | 1595.7 | 1583.7 | W | 0.5 | 1 | -0.5 | -10 | 1 | -0.5 | -10 | Yes | |
| 9 | 2025-12-05 | Shuping, O (Omphile) | GTP | 1779.5 | 1786.7 | B | 1 | 0.82 | 0.18 | 3.6 | 0.83 | 0.17 | 3.4 | Yes | |