PLAYER TOURNAMENT DETAILS
Justin Roos
1110099324Bojanala Platina (NBR)Tournament details
| Tour Id | 20230678 |
| Group Id | 20230673 |
| Name | 2023 South African Junior Closed Chess Championships |
| Section | U12 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 | 2 |
| Percent | 22.2 |
| Dp | -236.1 |
| Aor | 1405.4 |
| Perform | 1169.3 |
| Penalties | 0 |
| Wins | 2 |
| Draws | 0 |
| Losses | 7 |
| White | 4 |
| Black | 5 |
| White wins | 0 |
| Black wins | 2 |
| Default wins | 0 |
| Default losses | 0 |
| Byes | 0 |
| Half byes | 0 |
| Rank | 5 |
| Final Pos | 0 |
| Share Pos | 0 |
| Count for rating | Yes |
Analysis (Main)
| Rating | 1528.2 |
| K-factor | 20 |
| Score | 2 |
| Expected score | 5.74 |
| Score - Expected score | -3.74 |
| Rating +/- | -74.8 |
Analysis (Type)
| Rating | 1519 |
| K-factor | 20 |
| Score | 2 |
| Expected score | 5.74 |
| Score - Expected score | -3.74 |
| Rating +/- | -74.8 |
Opponents
| Round | Date | Opponent | Fed | Title | Main | Type | Col | Res | Main | Type | Cfr | ||||
| We | Swe | +/- | We | Swe | +/- | ||||||||||
| 1 | 2023-03-31 | Sun, Q (Qiyuan) | GJM | 1302.1 | 1302.6 | B | 1 | 0.72 | 0.28 | 5.6 | 0.71 | 0.29 | 5.8 | Yes | |
| 2 | 2023-03-31 | Yang, JD (Daniel) | GTP | 1537.1 | 1531 | W | 0 | 0.53 | -0.53 | -10.6 | 0.53 | -0.53 | -10.6 | Yes | |
| 3 | 2023-04-01 | Froom, J (Jacob) | GJM | 1351.2 | 1332.2 | B | 0 | 0.66 | -0.66 | -13.2 | 0.68 | -0.68 | -13.6 | Yes | |
| 4 | 2023-04-01 | Hex, K (Kyle) | GE | 1410.9 | 1389.4 | W | 0 | 0.68 | -0.68 | -13.6 | 0.69 | -0.69 | -13.8 | Yes | |
| 5 | 2023-04-02 | Froom, D (David) | GJM | 1334.1 | 1328.2 | B | 0 | 0.68 | -0.68 | -13.6 | 0.68 | -0.68 | -13.6 | Yes | |
| 6 | 2023-04-02 | Chipunza, J (Jared) | ENM | 1447.2 | 1462.3 | B | 0 | 0.55 | -0.55 | -11 | 0.52 | -0.52 | -10.4 | Yes | |
| 7 | 2023-04-03 | Pillay, Z (Zac) | GE | 1486.9 | 1501.4 | W | 0 | 0.59 | -0.59 | -11.8 | 0.56 | -0.56 | -11.2 | Yes | |
| 8 | 2023-04-03 | Kingsbury, J (Jack) | GJM | 1333.2 | 1302.7 | B | 1 | 0.69 | 0.31 | 6.2 | 0.71 | 0.29 | 5.8 | Yes | |
| 9 | 2023-04-04 | Van Meersbergen, E (Ettienne) | NWP | 1446 | 1418.4 | W | 0 | 0.64 | -0.64 | -12.8 | 0.66 | -0.66 | -13.2 | Yes | |