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Individual Calculations December 2017 |
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| Mbedza, Richard Total change: -36.20 | |   |
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| Gauteng Chess League (1st Division) | Pretoria | RSA | 2017-10-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1949 | 1984 | 1.00 | 4 | -1.15 | 20 | -23.00 | |
|  Kleyn, Andrew | | | 1699 | RSA | 1.00 | 1 | 0.16 | 20 | 3.20 | |  Hercules, Benjamin Vincent | | | 2154 | RSA | 0.00 | 1 | -0.28 | 20 | -5.60 | | | Zwakala, Ntando | | | 2003 | RSA | 0.00 | 1 | -0.47 | 20 | -9.40 | | | Lekgau, Mothupi | | | 1939 | RSA | 0.00 | 1 | -0.56 | 20 | -11.20 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | 2017 Gauteng North Open (A Section) | Pretoria | RSA | 2017-10-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1757 | 1984 | 3.00 | 4 | 0.05 | 20 | 1.00 | |
| | Richter, Jan-Michael | | | 1586 | RSA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Mnguni, Jacob Dumisani | | | 2165 | RSA | 0.00 | 1 | -0.26 | 20 | -5.20 | | | Lesuthu, Kali M. | | | 1584 * | RSA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Kabi, Thato | | | 1692 | RSA | 1.00 | 1 | 0.15 | 20 | 3.00 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | 2017 Swazi Open Chess Championship Open Section | Manzini | SWZ | 2017-11-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1741 | 2008 | 4.00 | 6 | -0.71 | 20 | -14.20 | |
| | Themba, Sizwe Hlatjwako | | | 1608 * | SWZ | 0.00 | 1 | -0.92 | 20 | -18.40 | | | Ngakane, Dan | | | 1698 | RSA | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Castro, Neusa Aridas De | | wc | 1608 * | MOZ | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Joang, Molapo | c | | 1608 * | LES | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Banda, Davies | | | 1722 | BOT | 1.00 | 1 | 0.16 | 20 | 3.20 | | | Simutowe, Musatwe | c | | 2199 | ZAM | 0.00 | 1 | -0.25 | 20 | -5.00 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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