PLAYER TOURNAMENT DETAILS
Vian Luke Ziegenhagen
108064849Johannesburg Metro (GJM)Tournament details
| Tour Id | 20230682 |
| Group Id | 20230673 |
| Name | 2023 South African Junior Closed Chess Championships |
| Section | U16 Open |
| Rounds | 9 |
| Format | Swiss |
| Type | Classical |
| Start | 2023-03-31 |
| End | 2023-04-04 |
| Submitted | 2023-04-05 |
| Rated | 2023-04-05 |
| Submit age weight | 1 |
| Host | Chess South Africa (CSA) |
| Total time | 120 |
| Time weight | 1 |
| Official results | Official results |
General
| Games | 9 |
| Score | 4 |
| Percent | 44.4 |
| Dp | -47.2 |
| Aor | 1561.7 |
| Perform | 1514.5 |
| Penalties | 0 |
| Wins | 3 |
| Draws | 2 |
| Losses | 4 |
| White | 5 |
| Black | 4 |
| White wins | 1 |
| Black wins | 2 |
| Default wins | 0 |
| Default losses | 0 |
| Byes | 0 |
| Half byes | 0 |
| Rank | 14 |
| Final Pos | 0 |
| Share Pos | 0 |
| Count for rating | Yes |
Analysis (Main)
| Rating | 1520.9 |
| K-factor | 20 |
| Score | 4 |
| Expected score | 4.11 |
| Score - Expected score | -0.11 |
| Rating +/- | -2.2 |
Analysis (Type)
| Rating | 1510.7 |
| K-factor | 20 |
| Score | 4 |
| Expected score | 4.07 |
| Score - Expected score | -0.07 |
| Rating +/- | -1.4 |
Opponents
| Round | Date | Opponent | Fed | Title | Main | Type | Col | Res | Main | Type | Cfr | ||||
| We | Swe | +/- | We | Swe | +/- | ||||||||||
| 1 | 2023-03-31 | Potgieter, E (Edward) | GJM | 1744.6 | 1742.7 | W | 1 | 0.28 | 0.72 | 14.4 | 0.27 | 0.73 | 14.6 | Yes | |
| 2 | 2023-03-31 | Jones, W (William) | GJM | 1615.1 | 1609.4 | B | 0 | 0.35 | -0.35 | -7 | 0.34 | -0.34 | -6.8 | Yes | |
| 3 | 2023-04-01 | Difotso, LR (Lebogang) | NBR | 1604.9 | 1612.4 | W | 0.5 | 0.44 | 0.06 | 1.2 | 0.42 | 0.08 | 1.6 | Yes | |
| 4 | 2023-04-01 | Fernandes, M (Marino) | GE | 1479.3 | 1468.2 | B | 0 | 0.51 | -0.51 | -10.2 | 0.51 | -0.51 | -10.2 | Yes | |
| 5 | 2023-04-02 | De Wit, M (Marnus) | WCT | 1492.6 | 1476.8 | W | 0 | 0.57 | -0.57 | -11.4 | 0.58 | -0.58 | -11.6 | Yes | |
| 6 | 2023-04-02 | Gruenenfelder, S (Stiaan) | GE | 1368.8 | 1352.2 | B | 1 | 0.64 | 0.36 | 7.2 | 0.64 | 0.36 | 7.2 | Yes | |
| 7 | 2023-04-03 | Goliath, BB (Brimarion) | NBR | 1536.3 | 1531.8 | W | 0.5 | 0.52 | -0.02 | -0.4 | 0.52 | -0.02 | -0.4 | Yes | |
| 8 | 2023-04-03 | Steyn, T (Tjaart) | GJM | 1493.5 | 1486.5 | B | 1 | 0.49 | 0.51 | 10.2 | 0.49 | 0.51 | 10.2 | Yes | |
| 9 | 2023-04-04 | Coetsee, D (Dewald) | GTP | 1720.5 | 1720 | W | 0 | 0.31 | -0.31 | -6.2 | 0.3 | -0.3 | -6 | Yes | |