PLAYER TOURNAMENT DETAILS
Reuben Ribbens
1130140635Tshwane (GTP)Tournament details
| Tour Id | 20253111 |
| Group Id | 20253108 |
| Name | 2025 Gauteng Schools Provincial Individual Chess Championship |
| Section | U13 Boys |
| Rounds | 5 |
| Format | Swiss |
| Type | Standard |
| Start | 2025-09-27 |
| End | 2025-09-27 |
| Submitted | 2025-10-10 |
| Rated | 2025-10-11 |
| Submit age weight | 1 |
| Host | Tshwane (GTP) |
| Total time | 60 |
| Time weight | 0.83 |
| Official results | Official results |
General
| Games | 5 |
| Score | 4 |
| Percent | 80 |
| Dp | 255 |
| Aor | 1432.6 |
| Perform | 1687.6 |
| Penalties | 0 |
| Wins | 4 |
| Draws | 0 |
| Losses | 1 |
| White | 2 |
| Black | 3 |
| White wins | 2 |
| Black wins | 2 |
| Default wins | 0 |
| Default losses | 0 |
| Byes | 0 |
| Half byes | 0 |
| Rank | 7 |
| Final Pos | 6 |
| Share Pos | 6 |
| Count for rating | Yes |
Analysis (Main)
| Rating | 1604.2 |
| K-factor | 20 |
| Score | 4 |
| Expected score | 3.45 |
| Score - Expected score | 0.55 |
| Rating +/- | 9.1 |
Analysis (Type)
| Rating | 1597.8 |
| K-factor | 20 |
| Score | 4 |
| Expected score | 3.39 |
| Score - Expected score | 0.61 |
| Rating +/- | 12.2 |
Opponents
| Round | Date | Opponent | Fed | Title | Main | Type | Col | Res | Main | Type | Cfr | ||||
| We | Swe | +/- | We | Swe | +/- | ||||||||||
| 1 | 2025-09-27 | Ntingashe, N (Ntando) | GE | 1258.3 | 1270.8 | B | 1 | 0.86 | 0.14 | 2.3 | 0.84 | 0.16 | 3.2 | Yes | |
| 2 | 2025-09-27 | Human, Z (Zachariah) | GTP | 1324.2 | 1325.5 | W | 1 | 0.87 | 0.13 | 2.2 | 0.86 | 0.14 | 2.8 | Yes | |
| 3 | 2025-09-27 | Nkhoma, D (Daniel) | GJM | 1299.5 | 1314.8 | B | 1 | 0.81 | 0.19 | 3.2 | 0.79 | 0.21 | 4.2 | Yes | |
| 4 | 2025-09-27 | Grobler, J (Joshua) | GTP | 1483.7 | 1478.2 | W | 1 | 0.68 | 0.32 | 5.3 | 0.68 | 0.32 | 6.4 | Yes | |
| 5 | 2025-09-27 | Kalimashe, T (Tshireletso) | GWR | 1797.3 | 1799.4 | B | 0 | 0.23 | -0.23 | -3.8 | 0.22 | -0.22 | -4.4 | Yes | |