PLAYER TOURNAMENT DETAILS
Mark Maroba
1090155592Ekurhuleni (GE)Tournament details
| Tour Id | 20251024 |
| Group Id | 20251015 |
| Name | South African Junior Closed Chess Championships 2025 |
| Section | U16 Open |
| Rounds | 9 |
| Format | Swiss |
| Type | Classical |
| Start | 2025-03-31 |
| End | 2025-04-05 |
| Submitted | 2025-04-09 |
| Rated | 2025-04-09 |
| Submit age weight | 1 |
| Host | Cape Winelands (WCW) |
| Total time | 120 |
| Time weight | 1 |
| Official results | Official results |
General
| Games | 9 |
| Score | 4 |
| Percent | 44.4 |
| Dp | -47.2 |
| Aor | 1634.4 |
| Perform | 1587.2 |
| Penalties | 0 |
| Wins | 3 |
| Draws | 2 |
| Losses | 4 |
| White | 4 |
| Black | 5 |
| White wins | 1 |
| Black wins | 2 |
| Default wins | 0 |
| Default losses | 0 |
| Byes | 0 |
| Half byes | 0 |
| Rank | 25 |
| Final Pos | 32 |
| Share Pos | 29 |
| Count for rating | Yes |
Analysis (Main)
| Rating | 1641.8 |
| K-factor | 20 |
| Score | 4 |
| Expected score | 4.54 |
| Score - Expected score | -0.54 |
| Rating +/- | -10.8 |
Analysis (Type)
| Rating | 1664.5 |
| K-factor | 20 |
| Score | 4 |
| Expected score | 4.83 |
| Score - Expected score | -0.83 |
| Rating +/- | -16.6 |
Opponents
| Round | Date | Opponent | Fed | Title | Main | Type | Col | Res | Main | Type | Cfr | ||||
| We | Swe | +/- | We | Swe | +/- | ||||||||||
| 1 | 2025-03-31 | Gie, L (Luca) | ENM | 1282.4 | 1272.2 | B | 1 | 0.88 | 0.12 | 2.4 | 0.91 | 0.09 | 1.8 | Yes | |
| 2 | 2025-03-31 | Dikane, O (Oageng) | NBR | 1733.2 | 1727.2 | W | 1 | 0.44 | 0.56 | 11.2 | 0.47 | 0.53 | 10.6 | Yes | |
| 3 | 2025-04-01 | Claassen, R (Raynier) | WEG | JM | 1920.5 | 1907.9 | B | 0 | 0.13 | -0.13 | -2.6 | 0.17 | -0.17 | -3.4 | Yes |
| 4 | 2025-04-01 | Degueldre, J (Jean-Christian) | WCT | 1684.1 | 1695 | W | 0.5 | 0.49 | 0.01 | 0.2 | 0.51 | -0.01 | -0.2 | Yes | |
| 5 | 2025-04-03 | Stephen, B (Bulelani) | GTP | 1832 | 1838.7 | B | 0 | 0.24 | -0.24 | -4.8 | 0.26 | -0.26 | -5.2 | Yes | |
| 6 | 2025-04-03 | Bantseke, B (Boikanyo) | NBR | 1537 | 1532.4 | W | 0.5 | 0.66 | -0.16 | -3.2 | 0.7 | -0.2 | -4 | Yes | |
| 7 | 2025-04-04 | Veldtman, J (Juan-Aiden) | LCP | 1582.6 | 1596.9 | B | 0 | 0.53 | -0.53 | -10.6 | 0.54 | -0.54 | -10.8 | Yes | |
| 8 | 2025-04-04 | Solomon, I (Izaiah) | WCT | 1585.1 | 1562.3 | B | 1 | 0.52 | 0.48 | 9.6 | 0.58 | 0.42 | 8.4 | Yes | |
| 9 | 2025-04-05 | Scholtz, H (Hanko) | WEG | 1552.9 | 1532.7 | W | 0 | 0.65 | -0.65 | -13 | 0.7 | -0.7 | -14 | Yes | |