PLAYER TOURNAMENT DETAILS
Jamie Petersen
1090118656Ekurhuleni (GE)Tournament details
| Tour Id | 20263949 |
| Group Id | 20263938 |
| Name | Gauteng Closed Chess Championships 2026 |
| Section | U18 Open |
| Rounds | 5 |
| Format | Swiss |
| Type | Standard |
| Start | 2026-10-17 |
| End | 2026-10-17 |
| Submitted | 2026-10-23 |
| Rated | 2026-10-24 |
| Submit age weight | 1 |
| Host | Ekurhuleni (GE) |
| Total time | 60 |
| Time weight | 0.83 |
| Official results | Official results |
General
| Games | 5 |
| Score | 2 |
| Percent | 40 |
| Dp | -85 |
| Aor | 1599.3 |
| Perform | 1514.3 |
| Penalties | 0 |
| Wins | 2 |
| Draws | 0 |
| Losses | 3 |
| White | 3 |
| Black | 2 |
| White wins | 1 |
| Black wins | 1 |
| Default wins | 0 |
| Default losses | 0 |
| Byes | 0 |
| Half byes | 0 |
| Rank | 31 |
| Final Pos | 26 |
| Share Pos | 23 |
| Count for rating | Yes |
Analysis (Main)
| Rating | 1428.4 |
| K-factor | 32 |
| Score | 2 |
| Expected score | 1.55 |
| Score - Expected score | 0.45 |
| Rating +/- | 12 |
Analysis (Type)
| Rating | 1443.9 |
| K-factor | 32 |
| Score | 2 |
| Expected score | 1.62 |
| Score - Expected score | 0.38 |
| Rating +/- | 12 |
Opponents
| Round | Date | Opponent | Fed | Title | Main | Type | Col | Res | Main | Type | Cfr | ||||
| We | Swe | +/- | We | Swe | +/- | ||||||||||
| 1 | 2026-10-17 | Mmakou, L (Lesedi) | GTP | 1641.8 | 1633.8 | W | 1 | 0.29 | 0.71 | 18.8 | 0.32 | 0.68 | 21.7 | Yes | |
| 2 | 2026-10-17 | Maseloane, T (Tshepang) | GSV | 1499.5 | 1526 | B | 0 | 0.38 | -0.38 | -10 | 0.36 | -0.36 | -11.6 | Yes | |
| 3 | 2026-10-17 | Marais, N (Nathan) | GTP | 1691.1 | 1684.1 | W | 0 | 0.24 | -0.24 | -6.3 | 0.26 | -0.26 | -8.4 | Yes | |
| 4 | 2026-10-17 | Kgotse, T (Thorisho) | GTP | 1634.8 | 1635.5 | B | 1 | 0.22 | 0.78 | 20.8 | 0.24 | 0.76 | 24.5 | Yes | |
| 5 | 2026-10-17 | Bijker, W (Waldo) | GJM | 1529.2 | 1529.1 | W | 0 | 0.42 | -0.42 | -11.3 | 0.44 | -0.44 | -14.2 | Yes | |