PLAYER TOURNAMENT DETAILS
Johannes Cornelis Botha
1110136394Bojanala Platina (NBR)Tournament details
| Tour Id | 20251022 |
| Group Id | 20251015 |
| Name | South African Junior Closed Chess Championships 2025 |
| Section | U14 Open |
| Rounds | 9 |
| Format | Swiss |
| Type | Classical |
| Start | 2025-03-31 |
| End | 2025-04-05 |
| Submitted | 2025-04-09 |
| Rated | 2025-04-09 |
| Submit age weight | 1 |
| Host | Cape Winelands (WCW) |
| Total time | 120 |
| Time weight | 1 |
| Official results | Official results |
General
| Games | 9 |
| Score | 4 |
| Percent | 44.4 |
| Dp | -47.2 |
| Aor | 1497.5 |
| Perform | 1450.3 |
| Penalties | 0 |
| Wins | 4 |
| Draws | 0 |
| Losses | 5 |
| White | 4 |
| Black | 5 |
| White wins | 2 |
| Black wins | 2 |
| Default wins | 0 |
| Default losses | 0 |
| Byes | 0 |
| Half byes | 0 |
| Rank | 41 |
| Final Pos | 43 |
| Share Pos | 35 |
| Count for rating | Yes |
Analysis (Main)
| Rating | 1528.7 |
| K-factor | 20 |
| Score | 4 |
| Expected score | 4.78 |
| Score - Expected score | -0.78 |
| Rating +/- | -15.6 |
Analysis (Type)
| Rating | 1503.5 |
| K-factor | 20 |
| Score | 4 |
| Expected score | 4.53 |
| Score - Expected score | -0.53 |
| Rating +/- | -10.6 |
Opponents
| Round | Date | Opponent | Fed | Title | Main | Type | Col | Res | Main | Type | Cfr | ||||
| We | Swe | +/- | We | Swe | +/- | ||||||||||
| 1 | 2025-03-31 | Shapiro, M (Matthew) | WCT | JM | 1700.1 | 1691.9 | B | 0 | 0.26 | -0.26 | -5.2 | 0.24 | -0.24 | -4.8 | Yes |
| 2 | 2025-03-31 | Boggenpoel, B (Blake) | ENM | 1311.6 | 1298.9 | W | 1 | 0.79 | 0.21 | 4.2 | 0.78 | 0.22 | 4.4 | Yes | |
| 3 | 2025-04-01 | Mazikana, E (Ethan) | EBC | 1648.4 | 1662.2 | B | 0 | 0.32 | -0.32 | -6.4 | 0.27 | -0.27 | -5.4 | Yes | |
| 4 | 2025-04-01 | Ramonyai, M (Maribe) | GTP | 1304.9 | 1272.4 | W | 0 | 0.8 | -0.8 | -16 | 0.81 | -0.81 | -16.2 | Yes | |
| 5 | 2025-04-03 | Arries, J (Jayde) | ENM | 1375.2 | 1367.9 | B | 1 | 0.64 | 0.36 | 7.2 | 0.62 | 0.38 | 7.6 | Yes | |
| 6 | 2025-04-03 | Clainos, S (Spiro) | ENM | 1695.4 | 1686.5 | W | 0 | 0.35 | -0.35 | -7 | 0.33 | -0.33 | -6.6 | Yes | |
| 7 | 2025-04-04 | Scholtz, R (Rohann) | GTP | 1460.5 | 1459.6 | B | 0 | 0.54 | -0.54 | -10.8 | 0.51 | -0.51 | -10.2 | Yes | |
| 8 | 2025-04-04 | George, P (Panashe) | ENM | 1487.5 | 1543.4 | W | 1 | 0.59 | 0.41 | 8.2 | 0.5 | 0.5 | 10 | Yes | |
| 9 | 2025-04-05 | Arries, K (Keaton) | ENM | 1494 | 1487.5 | B | 1 | 0.5 | 0.5 | 10 | 0.48 | 0.52 | 10.4 | Yes | |