PLAYER TOURNAMENT DETAILS
Cullen Ahrense
1130135809Eden (WEG)Tournament details
| Tour Id | 20251020 |
| Group Id | 20251015 |
| Name | South African Junior Closed Chess Championships 2025 |
| Section | U12 Open |
| Rounds | 9 |
| Format | Swiss |
| Type | Classical |
| Start | 2025-03-31 |
| End | 2025-04-05 |
| Submitted | 2025-04-09 |
| Rated | 2025-04-09 |
| Submit age weight | 1 |
| Host | Cape Winelands (WCW) |
| Total time | 120 |
| Time weight | 1 |
| Official results | Official results |
General
| Games | 9 |
| Score | 4 |
| Percent | 44.4 |
| Dp | -47.2 |
| Aor | 1477.5 |
| Perform | 1430.3 |
| Penalties | 0 |
| Wins | 3 |
| Draws | 2 |
| Losses | 4 |
| White | 4 |
| Black | 5 |
| White wins | 1 |
| Black wins | 2 |
| Default wins | 0 |
| Default losses | 0 |
| Byes | 0 |
| Half byes | 0 |
| Rank | 10 |
| Final Pos | 42 |
| Share Pos | 39 |
| Count for rating | Yes |
Analysis (Main)
| Rating | 1658.2 |
| K-factor | 20 |
| Score | 4 |
| Expected score | 6.35 |
| Score - Expected score | -2.35 |
| Rating +/- | -47 |
Analysis (Type)
| Rating | 1658.6 |
| K-factor | 20 |
| Score | 4 |
| Expected score | 6.56 |
| Score - Expected score | -2.56 |
| Rating +/- | -51.2 |
Opponents
| Round | Date | Opponent | Fed | Title | Main | Type | Col | Res | Main | Type | Cfr | ||||
| We | Swe | +/- | We | Swe | +/- | ||||||||||
| 1 | 2025-03-31 | Kuypers, P (Parker) | WCW | 1470.7 | 1420.4 | B | 0 | 0.68 | -0.68 | -13.6 | 0.74 | -0.74 | -14.8 | Yes | |
| 2 | 2025-03-31 | Visser, A (Aidan) | GSV | 1406.7 | 1411.8 | W | 1 | 0.83 | 0.17 | 3.4 | 0.83 | 0.17 | 3.4 | Yes | |
| 3 | 2025-04-01 | Truscott, A (Adriaan) | GTP | 1501 | 1492.8 | B | 0.5 | 0.64 | -0.14 | -2.8 | 0.65 | -0.15 | -3 | Yes | |
| 4 | 2025-04-01 | Masoeu, S (Senogo) | EBC | 1450.9 | 1422.6 | W | 0 | 0.78 | -0.78 | -15.6 | 0.82 | -0.82 | -16.4 | Yes | |
| 5 | 2025-04-03 | Ndwandwa, L (Longezo) | EBC | 1394 | 1360.4 | B | 1 | 0.77 | 0.23 | 4.6 | 0.81 | 0.19 | 3.8 | Yes | |
| 6 | 2025-04-03 | Gurayah, K (Kairav) | KED | 1493 | 1467.6 | W | 0.5 | 0.73 | -0.23 | -4.6 | 0.76 | -0.26 | -5.2 | Yes | |
| 7 | 2025-04-04 | Herman, V (Victor) | WCT | 1500.7 | 1477.6 | B | 1 | 0.64 | 0.36 | 7.2 | 0.67 | 0.33 | 6.6 | Yes | |
| 8 | 2025-04-04 | Van Zyl, A (Albertus Petrus) | NWP | 1560.8 | 1556 | W | 0 | 0.66 | -0.66 | -13.2 | 0.66 | -0.66 | -13.2 | Yes | |
| 9 | 2025-04-05 | Louw, L (Lukas) | WCT | 1519.8 | 1514.4 | B | 0 | 0.62 | -0.62 | -12.4 | 0.63 | -0.63 | -12.6 | Yes | |