PLAYER TOURNAMENT DETAILS
David Charles Mendelsohn
155022650Johannesburg Metro (GJM)Tournament details
| Tour Id | 20252867 |
| Group Id | 20252867 |
| Name | Randburg Winter Swiss 2025 |
| Section | |
| Rounds | 8 |
| Format | Swiss |
| Type | Standard |
| Start | 2025-07-29 |
| End | 2025-09-16 |
| Submitted | 2025-09-21 |
| Rated | 2025-09-25 |
| Submit age weight | 1 |
| Host | Johannesburg Metro (GJM) |
| Total time | 90 |
| Time weight | 0.94 |
| Official results | Official results |
General
| Games | 8 |
| Score | 3 |
| Percent | 37.5 |
| Dp | -106.3 |
| Aor | 1590.8 |
| Perform | 1484.5 |
| Penalties | 0 |
| Wins | 2 |
| Draws | 2 |
| Losses | 4 |
| White | 4 |
| Black | 4 |
| White wins | 2 |
| Black wins | 0 |
| Default wins | 0 |
| Default losses | 0 |
| Byes | 0 |
| Half byes | 0 |
| Rank | 7 |
| Final Pos | 17 |
| Share Pos | 17 |
| Count for rating | Yes |
Analysis (Main)
| Rating | 1687.3 |
| K-factor | 20 |
| Score | 3 |
| Expected score | 4.89 |
| Score - Expected score | -1.89 |
| Rating +/- | -35.5 |
Analysis (Type)
| Rating | 1746.7 |
| K-factor | 20 |
| Score | 3 |
| Expected score | 5.59 |
| Score - Expected score | -2.59 |
| Rating +/- | -51.8 |
Opponents
| Round | Date | Opponent | Fed | Title | Main | Type | Col | Res | Main | Type | Cfr | ||||
| We | Swe | +/- | We | Swe | +/- | ||||||||||
| 1 | 2025-07-29 | Sparks, SJW (Stephen) | KED | 1496.7 | 1463.6 | W | 1 | 0.76 | 0.24 | 4.5 | 0.87 | 0.13 | 2.6 | Yes | |
| 2 | 2025-08-05 | Diplock, GT (Graham Trevor) | GJM | 1618.6 | 1628.5 | B | 0.5 | 0.54 | -0.04 | -0.8 | 0.6 | -0.1 | -2 | Yes | |
| 3 | 2025-08-12 | Metcalfe, AR (Allister Richard) | GJM | 1702.4 | 1737.5 | W | 1 | 0.52 | 0.48 | 9 | 0.55 | 0.45 | 9 | Yes | |
| 4 | 2025-08-19 | Mgandela, T (Thami) | GE | 1649.2 | 1523.8 | B | 0 | 0.5 | -0.5 | -9.4 | 0.72 | -0.72 | -14.4 | Yes | |
| 5 | 2025-08-26 | Jolliffe, SR (Shaun) | GJM | 1647.8 | 1647.5 | W | 0 | 0.59 | -0.59 | -11.1 | 0.66 | -0.66 | -13.2 | Yes | |
| 6 | 2025-09-02 | Kruger, I (Ivan) | GJM | 1497.8 | 1501.3 | W | 0.5 | 0.76 | -0.26 | -4.9 | 0.83 | -0.33 | -6.6 | Yes | |
| 7 | 2025-09-09 | Ngubeni, JM (Jackie) | GJM | 1572.2 | 1567.8 | B | 0 | 0.59 | -0.59 | -11.1 | 0.67 | -0.67 | -13.4 | Yes | |
| 8 | 2025-09-16 | Snyckers, FA (Frank Alexander) | GJM | 1542 | 1550.7 | B | 0 | 0.63 | -0.63 | -11.8 | 0.69 | -0.69 | -13.8 | Yes | |