PLAYER TOURNAMENT DETAILS
John-Andrew Kamffer
1150149230West Rand (GWR)Tournament details
| Tour Id | 20251973 |
| Group Id | 20251967 |
| Name | South African Open 2025 |
| Section | U12 Open |
| Rounds | 5 |
| Format | Swiss |
| Type | Classical |
| Start | 2025-07-03 |
| 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 | 5 |
| Score | 1 |
| Percent | 20 |
| Dp | -255 |
| Aor | 1366.2 |
| Perform | 1111.2 |
| Penalties | 0 |
| Wins | 1 |
| Draws | 0 |
| Losses | 4 |
| White | 2 |
| Black | 3 |
| White wins | 0 |
| Black wins | 1 |
| Default wins | 0 |
| Default losses | 0 |
| Byes | 0 |
| Half byes | 0 |
| Rank | 55 |
| Final Pos | 59 |
| Share Pos | 57 |
| Count for rating | Yes |
Analysis (Main)
| Rating | 1296 |
| K-factor | 20 |
| Score | 1 |
| Expected score | 2.05 |
| Score - Expected score | -1.05 |
| Rating +/- | -21 |
Analysis (Type)
| Rating | 1285.3 |
| K-factor | 20 |
| Score | 1 |
| Expected score | 2.02 |
| Score - Expected score | -1.02 |
| Rating +/- | -20.4 |
Opponents
| Round | Date | Opponent | Fed | Title | Main | Type | Col | Res | Main | Type | Cfr | ||||
| We | Swe | +/- | We | Swe | +/- | ||||||||||
| 1 | 2025-07-03 | Zhu, R (Ryan Yuancheng) | GJM | 1461.7 | 1473.6 | W | 0 | 0.35 | -0.35 | -7 | 0.32 | -0.32 | -6.4 | Yes | |
| 2 | 2025-07-03 | Shyu, Y (Yu-Kai) | GJM | 1380.4 | 1387.7 | B | 0 | 0.36 | -0.36 | -7.2 | 0.34 | -0.34 | -6.8 | Yes | |
| 3 | 2025-07-04 | Fogolin, O (Oliver) | GTP | 1388.6 | 1379.8 | W | 0 | 0.43 | -0.43 | -8.6 | 0.43 | -0.43 | -8.6 | Yes | |
| 4 | 2025-07-04 | Mochan, L (Lucien) | GJM | 1199.3 | 1199.2 | B | 1 | 0.57 | 0.43 | 8.6 | 0.56 | 0.44 | 8.8 | Yes | |
| 5 | 2025-07-05 | Green, C (Caleb) | GE | 1401 | 1362 | B | 0 | 0.34 | -0.34 | -6.8 | 0.37 | -0.37 | -7.4 | Yes | |