PLAYER TOURNAMENT DETAILS
Dereck Donora
1090301686Johannesburg Metro (GJM)Tournament details
| Tour Id | 20250872 |
| Group Id | 20250871 |
| Name | JCC - Dainfern Chess League 2025 |
| Section | A |
| Rounds | 6 |
| Format | Team |
| Type | Standard |
| Start | 2025-02-03 |
| End | 2025-03-17 |
| Submitted | 2025-03-20 |
| Rated | 2025-03-20 |
| Submit age weight | 1 |
| Host | Johannesburg Metro (GJM) |
| Total time | 60 |
| Time weight | 0.83 |
| Official results | Official results |
General
| Games | 4 |
| Score | 1 |
| Percent | 25 |
| Dp | -212.5 |
| Aor | 1292.8 |
| Perform | 1080.3 |
| Penalties | 0 |
| Wins | 1 |
| Draws | 0 |
| Losses | 3 |
| White | 2 |
| Black | 2 |
| White wins | 1 |
| Black wins | 0 |
| Default wins | 0 |
| Default losses | 0 |
| Byes | 0 |
| Half byes | 0 |
| Rank | 94 |
| Final Pos | 75 |
| Share Pos | 67 |
| Count for rating | Yes |
Analysis (Main)
| Rating | 1199.8 |
| K-factor | 20 |
| Score | 1 |
| Expected score | 1.57 |
| Score - Expected score | -0.57 |
| Rating +/- | -9.5 |
Analysis (Type)
| Rating | 1200 |
| K-factor | 20 |
| Score | 1 |
| Expected score | 1.58 |
| Score - Expected score | -0.58 |
| Rating +/- | -11.6 |
Opponents
| Round | Date | Opponent | Fed | Title | Main | Type | Col | Res | Main | Type | Cfr | ||||
| We | Swe | +/- | We | Swe | +/- | ||||||||||
| 1 | 2025-02-03 | 0 | 0 | X | -1 | 0 | 0 | 0 | 0 | 0 | 0 | No (Did not play) | |||
| 2 | 2025-02-10 | Sahdeo, J (Jashil) | GJM | 1409.1 | 1402.4 | B | 0 | 0.21 | -0.21 | -3.5 | 0.22 | -0.22 | -4.4 | Yes | |
| 3 | 2025-02-17 | 0 | 0 | X | -1 | 0 | 0 | 0 | 0 | 0 | 0 | No (Did not play) | |||
| 4 | 2025-03-03 | Hellman, D (Daniel) | GJM | 1165.8 | 1159.3 | W | 0 | 0.58 | -0.58 | -9.6 | 0.59 | -0.59 | -11.8 | Yes | |
| 5 | 2025-03-10 | Felix, H (Harrison) | GJM | 1404.4 | 1411.3 | B | 0 | 0.22 | -0.22 | -3.7 | 0.21 | -0.21 | -4.2 | Yes | |
| 6 | 2025-03-17 | Van Heerden, R (Ryan) | GJM | 1192 | 1190.9 | W | 1 | 0.55 | 0.45 | 7.5 | 0.55 | 0.45 | 9 | Yes | |