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Individual Calculations September 2017 |
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| Mawire, Rumbidzai Total change: 60.00 | |   |
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| Zimbabwe National Women's Championships 2017 | Harare | ZIM | 2017-08-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1509 | 1286 | 1.00 | 4 | 0.00 | 40 | 0.00 | |
|  Wakuruwarewa, Colletta | | | 1686 * | ZIM | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Shaba, Linda | | | 1479 | ZIM | 0.00 | 1 | -0.25 | 40 | -10.00 | | | Chaparadza, Talidyne | | | 1259 | ZIM | 1.00 | 1 | 0.46 | 40 | 18.40 | | | Masiyazi, Rhoda | | | 1611 | ZIM | 0.00 | 1 | -0.13 | 40 | -5.20 | | | * 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) | | | | African Schools Individual Chess Championships 2017 U13 Girls | Harare | ZIM | 2017-08-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1235 | 1286 | 5.50 | 7 | 1.50 | 40 | 60.00 | |
| | Van Niekerk, Natasha Isabel | | | 1149 | RSA | 1.00 | 1 | 0.32 | 40 | 12.80 | | | Marape, Naledi | | wc | 1463 | BOT | 0.00 | 1 | -0.27 | 40 | -10.80 | | | Chiwara, Makanaka | | | 1050 | ZIM | 0.50 | 1 | -0.30 | 40 | -12.00 | | | Muthoni, Vivian | | | 1529 | KEN | 1.00 | 1 | 0.80 | 40 | 32.00 | | | Mandizha, Ropafadzo | | | 1216 | ZIM | 1.00 | 1 | 0.40 | 40 | 16.00 | | | Otisitswe, Ruth | | | 1104 | BOT | 1.00 | 1 | 0.26 | 40 | 10.40 | | | Parikh, Nikita Ameetkumar | | | 1131 | KEN | 1.00 | 1 | 0.29 | 40 | 11.60 | |
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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