PLAYER TOURNAMENT DETAILS
Johannes Cornelis Botha
1110136394Bojanala Platina (NBR)Tournament details
| Tour Id | 20261098 |
| Group Id | 20261088 |
| Name | South African Junior Closed Chess Championship 2026 |
| Section | U16 Open |
| Rounds | 9 |
| Format | Swiss |
| Type | Classical |
| Start | 2026-03-28 |
| End | 2026-04-02 |
| Submitted | 2026-04-03 |
| Rated | 2026-04-03 |
| Submit age weight | 1 |
| Host | Bojanala Platina (NBR) |
| Total time | 120 |
| Time weight | 1 |
| Official results | Official results |
General
| Games | 9 |
| Score | 5 |
| Percent | 55.6 |
| Dp | 47.2 |
| Aor | 1561.1 |
| Perform | 1608.3 |
| Penalties | 0 |
| Wins | 4 |
| Draws | 2 |
| Losses | 3 |
| White | 5 |
| Black | 4 |
| White wins | 1 |
| Black wins | 3 |
| Default wins | 0 |
| Default losses | 0 |
| Byes | 0 |
| Half byes | 0 |
| Rank | 15 |
| Final Pos | 18 |
| Share Pos | 18 |
| Count for rating | Yes |
Analysis (Main)
| Rating | 1713.1 |
| K-factor | 28 |
| Score | 5 |
| Expected score | 6.13 |
| Score - Expected score | -1.13 |
| Rating +/- | -31.8 |
Analysis (Type)
| Rating | 1713.1 |
| K-factor | 28 |
| Score | 5 |
| Expected score | 6.16 |
| Score - Expected score | -1.16 |
| Rating +/- | -32.5 |
Opponents
| Round | Date | Opponent | Fed | Title | Main | Type | Col | Res | Main | Type | Cfr | ||||
| We | Swe | +/- | We | Swe | +/- | ||||||||||
| 1 | 2026-03-28 | Seekoei, A (Amolegang) | FLW | 1282.3 | 1263.1 | B | 1 | 0.96 | 0.04 | 1.1 | 0.98 | 0.02 | 0.5 | Yes | |
| 2 | 2026-03-29 | Mangala, S (Sibonelo) | ENM | 1867.2 | 1867.2 | W | 0 | 0.36 | -0.36 | -10.1 | 0.36 | -0.36 | -10.1 | Yes | |
| 3 | 2026-03-29 | Horn, R (Renier) | GTP | 1496.9 | 1491.1 | B | 0.5 | 0.71 | -0.21 | -5.9 | 0.72 | -0.22 | -6.1 | Yes | |
| 4 | 2026-03-30 | Barry, T (Tyler) | ENM | 1390.1 | 1382.3 | W | 1 | 0.92 | 0.08 | 2.3 | 0.93 | 0.07 | 2 | Yes | |
| 5 | 2026-03-30 | Ramaboa, T (Thando) | NBR | 1349.8 | 1354.3 | B | 1 | 0.88 | 0.12 | 3.3 | 0.88 | 0.12 | 3.5 | Yes | |
| 6 | 2026-03-31 | Van Meersbergen, E (Ettienne) | GTP | 1817.3 | 1827.6 | W | 0 | 0.42 | -0.42 | -11.8 | 0.41 | -0.41 | -11.4 | Yes | |
| 7 | 2026-04-01 | Chang, S (Samuel) | EBC | 1710.4 | 1709.3 | W | 0.5 | 0.54 | -0.04 | -1.3 | 0.55 | -0.05 | -1.3 | Yes | |
| 8 | 2026-04-01 | Tema, O (Ofana) | GE | 1685.2 | 1682.4 | B | 1 | 0.49 | 0.51 | 14.3 | 0.49 | 0.51 | 14.2 | Yes | |
| 9 | 2026-04-02 | Murray, J (Jaydon) | ENM | 1450.5 | 1451.2 | W | 0 | 0.85 | -0.85 | -23.7 | 0.85 | -0.85 | -23.7 | Yes | |