PLAYER TOURNAMENT DETAILS
Zhengfei Li
1090099818Johannesburg Metro (GJM)Tournament details
| Tour Id | 20251980 |
| Group Id | 20251967 |
| Name | South African Open 2025 |
| Section | Championship |
| Rounds | 11 |
| Format | Swiss |
| Type | Classical |
| Start | 2025-06-28 |
| End | 2025-07-05 |
| Submitted | 2025-07-06 |
| Rated | 2025-07-06 |
| Submit age weight | 1 |
| Host | Johannesburg Metro (GJM) |
| Total time | 120 |
| Time weight | 1 |
| Official results | Official results |
General
| Games | 10 |
| Score | 4 |
| Percent | 40 |
| Dp | -85 |
| Aor | 1887.4 |
| Perform | 1802.4 |
| Penalties | 0 |
| Wins | 2 |
| Draws | 4 |
| Losses | 4 |
| White | 5 |
| Black | 5 |
| White wins | 0 |
| Black wins | 2 |
| Default wins | 1 |
| Default losses | 0 |
| Byes | 0 |
| Half byes | 0 |
| Rank | 36 |
| Final Pos | 32 |
| Share Pos | 24 |
| Count for rating | Yes |
Analysis (Main)
| Rating | 1839.5 |
| K-factor | 20 |
| Score | 4 |
| Expected score | 4.44 |
| Score - Expected score | -0.44 |
| Rating +/- | -8.8 |
Analysis (Type)
| Rating | 1841.7 |
| K-factor | 20 |
| Score | 4 |
| Expected score | 4.37 |
| Score - Expected score | -0.37 |
| Rating +/- | -7.4 |
Opponents
| Round | Date | Opponent | Fed | Title | Main | Type | Col | Res | Main | Type | Cfr | ||||
| We | Swe | +/- | We | Swe | +/- | ||||||||||
| 1 | 2025-06-28 | Palmer, RN (Reegan) | WCT | CM | 2035.4 | 2040.1 | B | 1 | 0.23 | 0.77 | 15.4 | 0.23 | 0.77 | 15.4 | Yes |
| 2 | 2025-06-28 | Pitschka, C (Claus) | GER | 1492.6 | 1492.6 | W | 0 | 0.95 | -0.95 | -19 | 0.95 | -0.95 | -19 | Yes | |
| 3 | 2025-06-29 | Samuels, ER (Ethan) | WCT | RM | 2013.5 | 2027.6 | B | 0 | 0.26 | -0.26 | -5.2 | 0.24 | -0.24 | -4.8 | Yes |
| 4 | 2025-06-29 | Peter, NM (Neathan Mninawa) | ENM | CM | 1964.8 | 1970.3 | W | 0 | 0.4 | -0.4 | -8 | 0.39 | -0.39 | -7.8 | Yes |
| 5 | 2025-06-30 | Nkosi, DJ (Dumisa Jacob) | MEN | 1819.9 | 1842.7 | B | 1 | 0.48 | 0.52 | 10.4 | 0.46 | 0.54 | 10.8 | Yes | |
| 6 | 2025-07-01 | Nel, H (Hayley) | GJM | WCM | 1766.5 | 1782.5 | W | 0.5 | 0.63 | -0.13 | -2.6 | 0.61 | -0.11 | -2.2 | Yes |
| 7 | 2025-07-02 | Yan, W (Weilun) | KIK | JNM | 1954.6 | 1946.6 | W | 0.5 | 0.41 | 0.09 | 1.8 | 0.42 | 0.08 | 1.6 | Yes |
| 8 | 2025-07-03 | Smit, D (Devon) | GTP | RM | 2048.6 | 2050.2 | B | 0 | 0.21 | -0.21 | -4.2 | 0.22 | -0.22 | -4.4 | Yes |
| 9 | 2025-07-04 | Matsaung, T (Thapelo) | WCT | 1763.1 | 1779.4 | D | 1 | 0 | 0 | 0 | 0 | 0 | 0 | No (Default game) | |
| 10 | 2025-07-04 | Goosen, A (Anton) | GTP | CM | 1922.2 | 1928.9 | W | 0.5 | 0.45 | 0.05 | 1 | 0.44 | 0.06 | 1.2 | Yes |
| 11 | 2025-07-05 | Chettiar, E (Evasan) | GJM | 1855.4 | 1877.4 | B | 0.5 | 0.44 | 0.06 | 1.2 | 0.42 | 0.08 | 1.6 | Yes | |