PLAYER TOURNAMENT DETAILS
Dereck Donora
1090301686Johannesburg Metro (GJM)Tournament details
| Tour Id | 20253310 |
| Group Id | 20253308 |
| Name | UJ @20years Open Chess Championship 2025 |
| Section | B |
| Rounds | 5 |
| Format | Swiss |
| Type | Standard |
| Start | 2025-10-18 |
| End | 2025-10-18 |
| Submitted | 2025-10-24 |
| Rated | 2025-10-25 |
| Submit age weight | 1 |
| Host | Johannesburg Metro (GJM) |
| Total time | 60 |
| Time weight | 0.83 |
| Official results | Official results |
General
| Games | 5 |
| Score | 2.5 |
| Percent | 50 |
| Dp | 0 |
| Aor | 1247.2 |
| Perform | 1247.2 |
| Penalties | 0 |
| Wins | 2 |
| Draws | 1 |
| Losses | 2 |
| White | 2 |
| Black | 3 |
| White wins | 2 |
| Black wins | 0 |
| Default wins | 0 |
| Default losses | 0 |
| Byes | 0 |
| Half byes | 0 |
| Rank | 17 |
| Final Pos | 13 |
| Share Pos | 12 |
| Count for rating | Yes |
Analysis (Main)
| Rating | 1238.6 |
| K-factor | 20 |
| Score | 2.5 |
| Expected score | 2.41 |
| Score - Expected score | 0.09 |
| Rating +/- | 1.5 |
Analysis (Type)
| Rating | 1246.9 |
| K-factor | 20 |
| Score | 2.5 |
| Expected score | 2.46 |
| Score - Expected score | 0.04 |
| Rating +/- | 0.8 |
Opponents
| Round | Date | Opponent | Fed | Title | Main | Type | Col | Res | Main | Type | Cfr | ||||
| We | Swe | +/- | We | Swe | +/- | ||||||||||
| 1 | 2025-10-18 | Matjie, M (Matome) | GE | 1245 | 1251.7 | B | 0 | 0.45 | -0.45 | -7.5 | 0.45 | -0.45 | -9 | Yes | |
| 2 | 2025-10-18 | Masimula, B (Busisiwe) | GJM | 1200 | 1200 | W | 1 | 0.59 | 0.41 | 6.8 | 0.6 | 0.4 | 8 | Yes | |
| 3 | 2025-10-18 | Kunene, O (Oratilwe) | GSV | 1224.2 | 1226.2 | B | 0.5 | 0.47 | 0.03 | 0.5 | 0.48 | 0.02 | 0.4 | Yes | |
| 4 | 2025-10-18 | Panday, V (Vibhav) | GJM | 1279 | 1267.2 | W | 1 | 0.49 | 0.51 | 8.5 | 0.52 | 0.48 | 9.6 | Yes | |
| 5 | 2025-10-18 | Kubjane, S (Sehoshe Bophelo) | GJM | 1287.9 | 1285.5 | B | 0 | 0.4 | -0.4 | -6.6 | 0.41 | -0.41 | -8.2 | Yes | |