PLAYER TOURNAMENT DETAILS
Vivian Onyekwere
2090157258Ekurhuleni (GE)Tournament details
| Tour Id | 20251187 |
| Group Id | 20251184 |
| Name | Chess Molecules Open Tournament 2025 |
| Section | B |
| Rounds | 5 |
| Format | Swiss |
| Type | Rapid |
| Start | 2025-04-19 |
| End | 2025-04-19 |
| Submitted | 2025-04-24 |
| Rated | 2025-04-30 |
| Submit age weight | 1 |
| Host | Johannesburg Metro (GJM) |
| Total time | 30 |
| Time weight | 0.604 |
| Official results | Official results |
General
| Games | 5 |
| Score | 2.5 |
| Percent | 50 |
| Dp | 0 |
| Aor | 1322 |
| Perform | 1322 |
| Penalties | 0 |
| Wins | 2 |
| Draws | 1 |
| Losses | 2 |
| White | 2 |
| Black | 3 |
| White wins | 1 |
| Black wins | 1 |
| Default wins | 0 |
| Default losses | 0 |
| Byes | 0 |
| Half byes | 0 |
| Rank | 25 |
| Final Pos | 12 |
| Share Pos | 11 |
| Count for rating | Yes |
Analysis (Main)
| Rating | 1189.2 |
| K-factor | 20 |
| Score | 2.5 |
| Expected score | 1.69 |
| Score - Expected score | 0.81 |
| Rating +/- | 9.8 |
Analysis (Type)
| Rating | 1176.3 |
| K-factor | 20 |
| Score | 2.5 |
| Expected score | 2.15 |
| Score - Expected score | 0.35 |
| Rating +/- | 7 |
Opponents
| Round | Date | Opponent | Fed | Title | Main | Type | Col | Res | Main | Type | Cfr | ||||
| We | Swe | +/- | We | Swe | +/- | ||||||||||
| 1 | 2025-04-19 | Bennett, J (Jemmah) | GE | 1295.5 | 1249.8 | W | 0 | 0.42 | -0.42 | -5 | 0.46 | -0.46 | -9.2 | Yes | |
| 2 | 2025-04-19 | Kambarran, A (Amira) | GJM | 1200 | 1200 | B | 1 | 0.45 | 0.55 | 6.6 | 0.43 | 0.57 | 11.4 | Yes | |
| 3 | 2025-04-19 | Mann, L (Leane) | NBR | 1439.1 | 1295.8 | B | 0 | 0.17 | -0.17 | -2 | 0.32 | -0.32 | -6.4 | Yes | |
| 4 | 2025-04-19 | Mbele, L (Londeka Zwelihle) | GJM | 1200 | 1200 | W | 1 | 0.53 | 0.47 | 5.6 | 0.51 | 0.49 | 9.8 | Yes | |
| 5 | 2025-04-19 | Ngwangwa, N (Nonhlanhla) | GJM | WRM | 1475.6 | 1197.6 | B | 0.5 | 0.12 | 0.38 | 4.6 | 0.43 | 0.07 | 1.4 | Yes |