PLAYER TOURNAMENT DETAILS
Leo-Arlin Koopman
1150153170West Coast (WCU)Tournament details
| Tour Id | 20253672 |
| Group Id | 20253668 |
| Name | Six Gun Grill Summer Sport Festival Chess Championships 2025 |
| Section | Individual U11 Boys |
| Rounds | 5 |
| Format | Swiss |
| Type | Rapid |
| Start | 2025-12-09 |
| End | 2025-12-09 |
| Submitted | 2025-12-11 |
| Rated | 2025-12-11 |
| Submit age weight | 1 |
| Host | Cape Winelands (WCW) |
| Total time | 25 |
| Time weight | 0.54 |
| Official results | Official results |
General
| Games | 4 |
| Score | 0 |
| Percent | 0 |
| Dp | -425 |
| Aor | 1324.3 |
| Perform | 899.3 |
| Penalties | 0 |
| Wins | 0 |
| Draws | 0 |
| Losses | 4 |
| White | 2 |
| Black | 2 |
| White wins | 0 |
| Black wins | 0 |
| Default wins | 0 |
| Default losses | 0 |
| Byes | 1 |
| Half byes | 0 |
| Rank | 16 |
| Final Pos | 23 |
| Share Pos | 21 |
| Count for rating | Yes |
Analysis (Main)
| Rating | 1257.2 |
| K-factor | 20 |
| Score | 0 |
| Expected score | 1.69 |
| Score - Expected score | -1.69 |
| Rating +/- | -18.3 |
Analysis (Type)
| Rating | 1252.9 |
| K-factor | 20 |
| Score | 0 |
| Expected score | 1.62 |
| Score - Expected score | -1.62 |
| Rating +/- | -32.4 |
Opponents
| Round | Date | Opponent | Fed | Title | Main | Type | Col | Res | Main | Type | Cfr | ||||
| We | Swe | +/- | We | Swe | +/- | ||||||||||
| 1 | 2025-12-09 | Beukes, B (Benjamin) | WCT | 1448.1 | 1409.6 | W | 0 | 0.32 | -0.32 | -3.5 | 0.36 | -0.36 | -7.2 | Yes | |
| 2 | 2025-12-09 | Singh, A (Adarsh) | WCT | 1194.5 | 1200 | B | 0 | 0.53 | -0.53 | -5.7 | 0.52 | -0.52 | -10.4 | Yes | |
| 3 | 2025-12-09 | Weng, I (Ivan) | WCW | 1272.4 | 1355.2 | W | 0 | 0.52 | -0.52 | -5.6 | 0.42 | -0.42 | -8.4 | Yes | |
| 4 | 2025-12-09 | 0 | 0 | Y | 1 | 0 | 0 | 0 | 0 | 0 | 0 | No (Bye) | |||
| 5 | 2025-12-09 | Balogun, S (Samuel) | WCT | 1382.2 | 1375.7 | B | 0 | 0.31 | -0.31 | -3.3 | 0.32 | -0.32 | -6.4 | Yes | |