PLAYER TOURNAMENT DETAILS
Marc Gideon Petersen
185029784Cape Town (WCT)Tournament details
| Tour Id | 22033 |
| Group Id | 0 |
| Name | South African Open Chess Championship 2012 |
| Section | Open |
| Rounds | 11 |
| Format | Swiss |
| Type | Classical |
| Start | 2012-06-29 |
| End | 2012-07-08 |
| Submitted | 2012-07-08 |
| Rated | 2012-07-10 |
| Submit age weight | 1 |
| Host | Western Province (WP) |
| Total time | 150 |
| Time weight | 1 |
| Official results | Official results |
General
| Games | 11 |
| Score | 4.5 |
| Percent | 40.9 |
| Dp | -73 |
| Aor | 1630.5 |
| Perform | 1558 |
| Penalties | 0 |
| Wins | 2 |
| Draws | 5 |
| Losses | 4 |
| White | 0 |
| Black | 0 |
| White wins | 0 |
| Black wins | 0 |
| Default wins | 0 |
| Default losses | 0 |
| Byes | 0 |
| Half byes | 0 |
| Rank | -1 |
| Final Pos | 206 |
| Share Pos | 206 |
| Count for rating | Yes |
Analysis (Main)
| Rating | 1397 |
| K-factor | 20 |
| Score | 4.5 |
| Expected score | 2.88 |
| Score - Expected score | 1.62 |
| Rating +/- | 32.4 |
Analysis (Type)
| Rating | 1397 |
| K-factor | 20 |
| Score | 4.5 |
| Expected score | 2.88 |
| 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 | 2012-06-29 | Pon, M (Matt) | GW | PM | 1987 | 1987 | B | 0 | 0.03 | -0.03 | -0.6 | -0.03 | 0.03 | 0.6 | Yes |
| 2 | 2012-06-29 | James, M (Michael) | WP | 1895 | 1895 | W | 0.5 | 0.06 | 0.44 | 8.8 | 0.44 | 0.06 | 1.2 | Yes | |
| 3 | 2012-06-30 | Oberholzer, E (Ewan) | NWP | 1334 | 1334 | B | 1 | 0.59 | 0.41 | 8.2 | 0.41 | 0.59 | 11.8 | Yes | |
| 4 | 2012-07-01 | Calitz, Fd (Frederick) | WB | 1716 | 1716 | W | 0.5 | 0.14 | 0.36 | 7.2 | 0.36 | 0.14 | 2.8 | Yes | |
| 5 | 2012-07-02 | Jenkins, T (Tauriq) | WPC | 1568 | 1568 | B | 1 | 0.27 | 0.73 | 14.6 | 0.73 | 0.27 | 5.4 | Yes | |
| 6 | 2012-07-03 | Rooplal, D (Desmond) | KZN | 1707 | 1707 | W | 0.5 | 0.15 | 0.35 | 7 | 0.35 | 0.15 | 3 | Yes | |
| 7 | 2012-07-04 | Chettiar, E (Evasan) | GS | 1778 | 1778 | B | 0 | 0.1 | -0.1 | -2 | -0.1 | 0.1 | 2 | Yes | |
| 8 | 2012-07-05 | Roets, Mh (Marius) | GN | 1609 | 1609 | W | 0.5 | 0.23 | 0.27 | 5.4 | 0.27 | 0.23 | 4.6 | Yes | |
| 9 | 2012-07-06 | Modi, S (Sachin) | GS | UM | 1634 | 1634 | B | 0 | 0.21 | -0.21 | -4.2 | -0.21 | 0.21 | 4.2 | Yes |
| 10 | 2012-07-07 | Terblanche, Dj (Dirk) | WP | 1508 | 1508 | W | 0 | 0.35 | -0.35 | -7 | -0.35 | 0.35 | 7 | Yes | |
| 11 | 2012-07-08 | Mgadi, A (Aubrey) | WP | 1200 | 1200 | B | 0.5 | 0.75 | -0.25 | -5 | -0.25 | 0.75 | 15 | Yes | |