PLAYER TOURNAMENT DETAILS
Mari Grobbelaar
2160158380Tshwane (GTP)Tournament details
| Tour Id | 20260617 |
| Group Id | 20260615 |
| Name | 2026 AHS Chess Tournament |
| Section | U12 |
| Rounds | 5 |
| Format | Swiss |
| Type | Standard |
| Start | 2026-02-28 |
| End | 2026-02-28 |
| Submitted | 2026-03-03 |
| Rated | 2026-03-03 |
| Submit age weight | 1 |
| Host | Tshwane (GTP) |
| Total time | 60 |
| Time weight | 0.83 |
| Official results | Official results |
General
| Games | 5 |
| Score | 2.5 |
| Percent | 50 |
| Dp | 0 |
| Aor | 1248.8 |
| Perform | 1248.8 |
| Penalties | 0 |
| Wins | 2 |
| Draws | 1 |
| Losses | 2 |
| White | 2 |
| Black | 3 |
| White wins | 1 |
| Black wins | 1 |
| Default wins | 0 |
| Default losses | 0 |
| Byes | 0 |
| Half byes | 0 |
| Rank | 15 |
| Final Pos | 20 |
| Share Pos | 19 |
| Count for rating | Yes |
Analysis (Main)
| Rating | 1379.2 |
| K-factor | 32 |
| Score | 2.5 |
| Expected score | 3.22 |
| Score - Expected score | -0.72 |
| Rating +/- | -19.1 |
Analysis (Type)
| Rating | 1377.8 |
| K-factor | 32 |
| Score | 2.5 |
| Expected score | 3.2 |
| Score - Expected score | -0.7 |
| Rating +/- | -22.4 |
Opponents
| Round | Date | Opponent | Fed | Title | Main | Type | Col | Res | Main | Type | Cfr | ||||
| We | Swe | +/- | We | Swe | +/- | ||||||||||
| 1 | 2026-02-28 | Wessels, J (Jancko) | GTP | 1220.8 | 1224.2 | B | 1 | 0.64 | 0.36 | 9.6 | 0.64 | 0.36 | 11.5 | Yes | |
| 2 | 2026-02-28 | Roestoff, K (Kamohelo) | NBR | 1369.2 | 1372.2 | W | 0 | 0.55 | -0.55 | -14.6 | 0.55 | -0.55 | -17.6 | Yes | |
| 3 | 2026-02-28 | Westermann, Z (Zelri) | GTP | 1233.6 | 1232.7 | B | 0 | 0.63 | -0.63 | -16.7 | 0.63 | -0.63 | -20.2 | Yes | |
| 4 | 2026-02-28 | Haupt, D (Dawid) | GTP | 1220.6 | 1219.5 | W | 1 | 0.73 | 0.27 | 7.2 | 0.73 | 0.27 | 8.6 | Yes | |
| 5 | 2026-02-28 | Mohlakoana, K (Khumo) | GTP | 1200 | 1200 | B | 0.5 | 0.67 | -0.17 | -4.5 | 0.67 | -0.17 | -5.4 | Yes | |