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Individual Calculations January 2012 |
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| Selkirk, Rebecca Total change: 3.60 | |   |
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| 2011 African Youth Chess Championship, Under 18 Girls | Lusaka | ZAM | 2011-12-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1763 | 1608 | 1.50 | 4 | 0.24 | 15 | 3.60 | |
|  Mwaango, Lorita | | | 1874 | ZAM | 0.00 | 1 | -0.18 | 15 | -2.70 | |  Tembo, Epah | | wc | 1926 | ZAM | 0.50 | 1 | 0.37 | 15 | 5.55 | | | Moaataz, Alaa | | | 1741 | EGY | 1.00 | 1 | 0.68 | 15 | 10.20 | | | Govindasamy, Seshni | | | 1510 | ZAM | 0.00 | 1 | -0.63 | 15 | -9.45 | |
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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