PLAYER TOURNAMENT DETAILS
Onika Osei
1070319077Buffalo City (EBC)Tournament details
| Tour Id | 20250990 |
| Group Id | 20250984 |
| Name | 2025 Buffalo City Chess Trials 1 |
| Section | U20+Adult |
| Rounds | 5 |
| Format | Swiss |
| Type | Standard |
| Start | 2025-03-22 |
| End | 2025-03-22 |
| Submitted | 2025-04-01 |
| Rated | 2025-04-03 |
| Submit age weight | 1 |
| Host | Buffalo City (EBC) |
| Total time | 60 |
| Time weight | 0.83 |
| Official results | Official results |
General
| Games | 5 |
| Score | 4 |
| Percent | 80 |
| Dp | 255 |
| Aor | 1213.2 |
| Perform | 1468.2 |
| Penalties | 0 |
| Wins | 4 |
| Draws | 0 |
| Losses | 1 |
| White | 3 |
| Black | 2 |
| White wins | 3 |
| Black wins | 1 |
| Default wins | 0 |
| Default losses | 0 |
| Byes | 0 |
| Half byes | 0 |
| Rank | 9 |
| Final Pos | 3 |
| Share Pos | 3 |
| Count for rating | Yes |
Analysis (Main)
| Rating | 1200 |
| K-factor | 20 |
| Score | 4 |
| Expected score | 2.46 |
| Score - Expected score | 1.54 |
| Rating +/- | 25.6 |
Analysis (Type)
| Rating | 1200 |
| K-factor | 20 |
| Score | 4 |
| Expected score | 2.47 |
| Score - Expected score | 1.53 |
| Rating +/- | 30.6 |
Opponents
| Round | Date | Opponent | Fed | Title | Main | Type | Col | Res | Main | Type | Cfr | ||||
| We | Swe | +/- | We | Swe | +/- | ||||||||||
| 1 | 2025-03-22 | Bokuva, K (Khazimla) | EBC | 1296.1 | 1299 | B | 1 | 0.35 | 0.65 | 10.8 | 0.34 | 0.66 | 13.2 | Yes | |
| 2 | 2025-03-22 | Gcilishe, H (Hlumelo) | EBC | 1198.2 | 1198 | W | 1 | 0.54 | 0.46 | 7.6 | 0.54 | 0.46 | 9.2 | Yes | |
| 3 | 2025-03-22 | Sitwayi, I (Iviwe) | EAL | 1183.9 | 1180.8 | B | 0 | 0.48 | -0.48 | -8 | 0.48 | -0.48 | -9.6 | Yes | |
| 4 | 2025-03-22 | Adriaanse, C (Candice) | EBC | 1187.8 | 1182.9 | W | 1 | 0.56 | 0.44 | 7.3 | 0.56 | 0.44 | 8.8 | Yes | |
| 5 | 2025-03-22 | Dyonase, U (Uviwe) | EBC | 1200 | 1200 | W | 1 | 0.54 | 0.46 | 7.6 | 0.54 | 0.46 | 9.2 | Yes | |