PLAYER TOURNAMENT DETAILS
Ethan Da Costa
1120306437Tshwane (GTP)Tournament details
| Tour Id | 20253028 |
| Group Id | 20253024 |
| Name | 2025 Centurion Chess Open Tournament |
| Section | C |
| Rounds | 5 |
| Format | Swiss |
| Type | Standard |
| Start | 2025-09-27 |
| End | 2025-09-27 |
| Submitted | 2025-09-30 |
| Rated | 2025-09-30 |
| 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 | 1298 |
| Perform | 1043 |
| Penalties | 0 |
| Wins | 0 |
| Draws | 2 |
| Losses | 3 |
| White | 2 |
| Black | 3 |
| White wins | 0 |
| Black wins | 0 |
| Default wins | 0 |
| Default losses | 0 |
| Byes | 0 |
| Half byes | 0 |
| Rank | 12 |
| Final Pos | 20 |
| Share Pos | 20 |
| Count for rating | Yes |
Analysis (Main)
| Rating | 1319.3 |
| K-factor | 20 |
| Score | 1 |
| Expected score | 2.58 |
| Score - Expected score | -1.58 |
| Rating +/- | -26.2 |
Analysis (Type)
| Rating | 1314.4 |
| K-factor | 20 |
| Score | 1 |
| Expected score | 2.53 |
| 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 | 2025-09-27 | Rautenbach, R (Randolph) | GTP | 1200 | 1200 | W | 0.5 | 0.68 | -0.18 | -3 | 0.67 | -0.17 | -3.4 | Yes | |
| 2 | 2025-09-27 | Wabanie, J (Jason) | GTP | 1353.5 | 1359.3 | B | 0.5 | 0.42 | 0.08 | 1.3 | 0.41 | 0.09 | 1.8 | Yes | |
| 3 | 2025-09-27 | Nel, J (Jacobus Johannes) | WCT | 1467.3 | 1467.5 | W | 0 | 0.37 | -0.37 | -6.1 | 0.36 | -0.36 | -7.2 | Yes | |
| 4 | 2025-09-27 | Nzuza, M (Mduduzi) | GTP | 1269.3 | 1287.7 | B | 0 | 0.52 | -0.52 | -8.6 | 0.49 | -0.49 | -9.8 | Yes | |
| 5 | 2025-09-27 | Allison, F (Francois) | GTP | 1200 | 1200 | B | 0 | 0.6 | -0.6 | -10 | 0.59 | -0.59 | -11.8 | Yes | |