PLAYER TOURNAMENT DETAILS
Johannes Christiaan Corneli Botha
1110118128Johannesburg Metro (GJM)Tournament details
| Tour Id | 20252693 |
| Group Id | 20252689 |
| Name | Sedibeng Chess Open 06 Sept 2025 |
| Section | B |
| Rounds | 5 |
| Format | Round-Robin |
| Type | Standard |
| Start | 2025-09-06 |
| End | 2025-09-06 |
| Submitted | 2025-09-07 |
| Rated | 2025-09-07 |
| Submit age weight | 1 |
| Host | Sedibeng (GSV) |
| Total time | 60 |
| Time weight | 0.83 |
| Official results | Official results |
General
| Games | 4 |
| Score | 4 |
| Percent | 100 |
| Dp | 425 |
| Aor | 1495.7 |
| Perform | 1920.7 |
| Penalties | 0 |
| Wins | 4 |
| Draws | 0 |
| Losses | 0 |
| White | 2 |
| Black | 2 |
| White wins | 2 |
| Black wins | 2 |
| Default wins | 1 |
| Default losses | 0 |
| Byes | 0 |
| Half byes | 0 |
| Rank | 1 |
| Final Pos | 1 |
| Share Pos | 1 |
| Count for rating | Yes |
Analysis (Main)
| Rating | 1641 |
| K-factor | 20 |
| Score | 4 |
| Expected score | 2.68 |
| Score - Expected score | 1.32 |
| Rating +/- | 21.9 |
Analysis (Type)
| Rating | 1638.8 |
| K-factor | 20 |
| Score | 4 |
| Expected score | 2.6 |
| Score - Expected score | 1.4 |
| Rating +/- | 28 |
Opponents
| Round | Date | Opponent | Fed | Title | Main | Type | Col | Res | Main | Type | Cfr | ||||
| We | Swe | +/- | We | Swe | +/- | ||||||||||
| 1 | 2025-09-06 | Ntshangase, S (Siphiwe) | GSV | 1473.3 | 1494.8 | B | 1 | 0.65 | 0.35 | 5.8 | 0.63 | 0.37 | 7.4 | Yes | |
| 2 | 2025-09-06 | Marimuthu, S (Shaylen) | GSV | 1607 | 1633.9 | W | 1 | 0.58 | 0.42 | 7 | 0.55 | 0.45 | 9 | Yes | |
| 3 | 2025-09-06 | Matsaneng, M (Mohau Prince) | GSV | 1199.7 | 1199.9 | E | 1 | 0 | 0 | 0 | 0 | 0 | 0 | No (Default game) | |
| 4 | 2025-09-06 | Van Eyssen, A (Arend) | GSV | 1427.2 | 1437.5 | B | 1 | 0.71 | 0.29 | 4.8 | 0.69 | 0.31 | 6.2 | Yes | |
| 5 | 2025-09-06 | Botha, CA (Cathri Amari) | GJM | 1475.2 | 1471.1 | W | 1 | 0.73 | 0.27 | 4.5 | 0.74 | 0.26 | 5.2 | Yes | |