PLAYER TOURNAMENT DETAILS
Calvin Nicholas Jacobs
109086379Tshwane (GTP)Tournament details
| Tour Id | 20252700 |
| Group Id | 20252695 |
| Name | 2025 Alekhine Open |
| Section | A |
| Rounds | 5 |
| Format | Swiss |
| Type | Standard |
| Start | 2025-09-06 |
| End | 2025-09-07 |
| Submitted | 2025-09-07 |
| Rated | 2025-09-07 |
| Submit age weight | 1 |
| Host | Tshwane (GTP) |
| Total time | 90 |
| Time weight | 0.94 |
| Official results | Official results |
General
| Games | 5 |
| Score | 5 |
| Percent | 100 |
| Dp | 425 |
| Aor | 1783.6 |
| Perform | 2208.6 |
| Penalties | 0 |
| Wins | 5 |
| Draws | 0 |
| Losses | 0 |
| White | 2 |
| Black | 3 |
| White wins | 2 |
| Black wins | 3 |
| Default wins | 0 |
| Default losses | 0 |
| Byes | 0 |
| Half byes | 0 |
| Rank | 1 |
| Final Pos | 1 |
| Share Pos | 1 |
| Count for rating | Yes |
Analysis (Main)
| Rating | 2168.5 |
| K-factor | 20 |
| Score | 5 |
| Expected score | 4.62 |
| Score - Expected score | 0.38 |
| Rating +/- | 7.1 |
Analysis (Type)
| Rating | 2179.5 |
| K-factor | 20 |
| Score | 5 |
| Expected score | 4.61 |
| Score - Expected score | 0.39 |
| Rating +/- | 7.8 |
Opponents
| Round | Date | Opponent | Fed | Title | Main | Type | Col | Res | Main | Type | Cfr | ||||
| We | Swe | +/- | We | Swe | +/- | ||||||||||
| 1 | 2025-09-06 | Nkwe, T (Tshiamo) | GTP | 1647.3 | 1692.7 | B | 1 | 0.99 | 0.01 | 0.2 | 0.99 | 0.01 | 0.2 | Yes | |
| 2 | 2025-09-06 | Songo, D (Divine) | GTP | 1783 | 1786.4 | W | 1 | 0.99 | 0.01 | 0.2 | 1 | 0 | 0 | Yes | |
| 3 | 2025-09-06 | Stephen, B (Bulelani) | GTP | 1860.8 | 1869.1 | B | 1 | 0.82 | 0.18 | 3.4 | 0.82 | 0.18 | 3.6 | Yes | |
| 4 | 2025-09-07 | Sathish, A (Abinavah) | GTP | 1922.2 | 1939.4 | W | 1 | 0.83 | 0.17 | 3.2 | 0.82 | 0.18 | 3.6 | Yes | |
| 5 | 2025-09-07 | Sidumo, A (Anga) | GSV | 1704.6 | 1732 | B | 1 | 0.99 | 0.01 | 0.2 | 0.98 | 0.02 | 0.4 | Yes | |