PLAYER TOURNAMENT DETAILS
Willem Duursema
1110316415Tshwane (GTP)Tournament details
| Tour Id | 20261296 |
| Group Id | 20261293 |
| Name | 2026 KSNG Open Chess Tournament |
| Section | C |
| Rounds | 5 |
| Format | Swiss |
| Type | Standard |
| Start | 2026-04-18 |
| End | 2026-04-18 |
| Submitted | 2026-04-20 |
| Rated | 2026-04-20 |
| Submit age weight | 1 |
| Host | Tshwane (GTP) |
| Total time | 60 |
| Time weight | 0.83 |
| Official results | Official results |
General
| Games | 5 |
| Score | 1 |
| Percent | 20 |
| Dp | -255 |
| Aor | 1401.2 |
| Perform | 1146.2 |
| Penalties | 0 |
| Wins | 1 |
| Draws | 0 |
| Losses | 4 |
| White | 2 |
| Black | 3 |
| White wins | 1 |
| Black wins | 0 |
| Default wins | 0 |
| Default losses | 0 |
| Byes | 0 |
| Half byes | 0 |
| Rank | 17 |
| Final Pos | 24 |
| Share Pos | 24 |
| Count for rating | Yes |
Analysis (Main)
| Rating | 1348.7 |
| K-factor | 36 |
| Score | 1 |
| Expected score | 2.15 |
| Score - Expected score | -1.15 |
| Rating +/- | -34.4 |
Analysis (Type)
| Rating | 1347.8 |
| K-factor | 36 |
| Score | 1 |
| Expected score | 2.22 |
| Score - Expected score | -1.22 |
| Rating +/- | -43.9 |
Opponents
| Round | Date | Opponent | Fed | Title | Main | Type | Col | Res | Main | Type | Cfr | ||||
| We | Swe | +/- | We | Swe | +/- | ||||||||||
| 1 | 2026-04-18 | Vorster, W (Wian) | GJM | 1413.2 | 1361.9 | B | 0 | 0.38 | -0.38 | -11.4 | 0.44 | -0.44 | -15.9 | Yes | |
| 2 | 2026-04-18 | Erasmus, M (Max) | GJM | 1383.7 | 1371.5 | W | 1 | 0.5 | 0.5 | 14.9 | 0.51 | 0.49 | 17.5 | Yes | |
| 3 | 2026-04-18 | Jonker, T (Tertius) | GTP | 1486.1 | 1486.7 | W | 0 | 0.38 | -0.38 | -11.4 | 0.38 | -0.38 | -13.7 | Yes | |
| 4 | 2026-04-18 | Nolan, C (Christopher) | GE | 1418.4 | 1426 | B | 0 | 0.38 | -0.38 | -11.3 | 0.37 | -0.37 | -13.2 | Yes | |
| 5 | 2026-04-18 | Ndebele, AT (Akhumzi Thandolwenkosi) | GTP | 1304.7 | 1296.8 | B | 0 | 0.51 | -0.51 | -15.2 | 0.52 | -0.52 | -18.6 | Yes | |