PLAYER TOURNAMENT DETAILS
Mari Grobbelaar
2160158380Tshwane (GTP)Tournament details
| Tour Id | 20263108 |
| Group Id | 20263106 |
| Name | 2026 JMCA Open Chess Tournament |
| Section | U12 |
| Rounds | 5 |
| Format | Swiss |
| Type | Standard |
| Start | 2026-08-15 |
| End | 2026-08-15 |
| Submitted | 2026-08-26 |
| Rated | 2026-08-27 |
| Submit age weight | 1 |
| Host | Tshwane (GTP) |
| Total time | 60 |
| Time weight | 0.83 |
| Official results | Official results |
General
| Games | 5 |
| Score | 2 |
| Percent | 40 |
| Dp | -85 |
| Aor | 1219.2 |
| Perform | 1134.2 |
| Penalties | 0 |
| Wins | 2 |
| Draws | 0 |
| Losses | 3 |
| White | 2 |
| Black | 3 |
| White wins | 0 |
| Black wins | 2 |
| Default wins | 0 |
| Default losses | 0 |
| Byes | 0 |
| Half byes | 0 |
| Rank | 8 |
| Final Pos | 15 |
| Share Pos | 12 |
| Count for rating | Yes |
Analysis (Main)
| Rating | 1333 |
| K-factor | 32 |
| Score | 2 |
| Expected score | 3.48 |
| Score - Expected score | -1.48 |
| Rating +/- | -39.4 |
Analysis (Type)
| Rating | 1314.8 |
| K-factor | 32 |
| Score | 2 |
| Expected score | 3.47 |
| Score - Expected score | -1.47 |
| Rating +/- | -47.1 |
Opponents
| Round | Date | Opponent | Fed | Title | Main | Type | Col | Res | Main | Type | Cfr | ||||
| We | Swe | +/- | We | Swe | +/- | ||||||||||
| 1 | 2026-08-15 | Labuschagne, F (Frederik Andries) | GTP | 1194.1 | 1198.4 | B | 0 | 0.75 | -0.75 | -19.9 | 0.75 | -0.75 | -23.9 | Yes | |
| 2 | 2026-08-15 | Bosch Dippenaar, B (Benjamin) | GTP | 1229.2 | 1219.1 | W | 0 | 0.69 | -0.69 | -18.2 | 0.68 | -0.68 | -21.9 | Yes | |
| 3 | 2026-08-15 | Mogano, L (Letlhogonolo) | GTP | 1215.8 | 1175.3 | B | 1 | 0.74 | 0.26 | 6.9 | 0.74 | 0.26 | 8.2 | Yes | |
| 4 | 2026-08-15 | Hans, B (Boitshepo) | GTP | 1405.7 | 1405.7 | W | 0 | 0.55 | -0.55 | -14.7 | 0.54 | -0.54 | -17.3 | Yes | |
| 5 | 2026-08-15 | Raats, G (Gideon) | GTP | 1153.8 | 1148.6 | B | 1 | 0.75 | 0.25 | 6.5 | 0.76 | 0.24 | 7.8 | Yes | |