PLAYER TOURNAMENT DETAILS
Mari Grobbelaar
2160158380Tshwane (GTP)Tournament details
| Tour Id | 20253025 |
| Group Id | 20253024 |
| Name | 2025 Centurion Chess Open Tournament |
| Section | U10 |
| Rounds | 5 |
| Format | Swiss |
| Type | Standard |
| Start | 2025-09-27 |
| End | 2025-09-27 |
| Submitted | 2025-09-30 |
| Rated | 2025-09-30 |
| Submit age weight | 1 |
| Host | Tshwane (GTP) |
| Total time | 60 |
| Time weight | 0.83 |
| Official results | Official results |
General
| Games | 5 |
| Score | 3.5 |
| Percent | 70 |
| Dp | 170 |
| Aor | 1458.5 |
| Perform | 1628.5 |
| Penalties | 0 |
| Wins | 3 |
| Draws | 1 |
| Losses | 1 |
| White | 3 |
| Black | 2 |
| White wins | 2 |
| Black wins | 1 |
| Default wins | 0 |
| Default losses | 0 |
| Byes | 0 |
| Half byes | 0 |
| Rank | 13 |
| Final Pos | 6 |
| Share Pos | 4 |
| Count for rating | Yes |
Analysis (Main)
| Rating | 1324.7 |
| K-factor | 20 |
| Score | 3.5 |
| Expected score | 1.76 |
| Score - Expected score | 1.74 |
| Rating +/- | 28.9 |
Analysis (Type)
| Rating | 1318.1 |
| K-factor | 20 |
| Score | 3.5 |
| Expected score | 1.72 |
| Score - Expected score | 1.78 |
| Rating +/- | 35.6 |
Opponents
| Round | Date | Opponent | Fed | Title | Main | Type | Col | Res | Main | Type | Cfr | ||||
| We | Swe | +/- | We | Swe | +/- | ||||||||||
| 1 | 2025-09-27 | Steyn, K (Kian) | GJM | JM | 1720.4 | 1727 | W | 0 | 0.08 | -0.08 | -1.3 | 0.07 | -0.07 | -1.4 | Yes |
| 2 | 2025-09-27 | Lubbe, E (Elisha) | GTP | 1235.8 | 1242.1 | B | 0.5 | 0.56 | -0.06 | -1 | 0.55 | -0.05 | -1 | Yes | |
| 3 | 2025-09-27 | Vorster, E (Elani) | GTP | 1317 | 1316.3 | W | 1 | 0.55 | 0.45 | 7.5 | 0.54 | 0.46 | 9.2 | Yes | |
| 4 | 2025-09-27 | Steyn, K (Kahn) | GJM | 1444 | 1434.9 | B | 1 | 0.32 | 0.68 | 11.3 | 0.32 | 0.68 | 13.6 | Yes | |
| 5 | 2025-09-27 | Ramonyai, M (Mbhekeni) | GTP | 1575.3 | 1575.7 | W | 1 | 0.25 | 0.75 | 12.4 | 0.24 | 0.76 | 15.2 | Yes | |