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Individual Calculations January 2016 |
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| Marape, Marape Jr Total change: -19.60 | |   |
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| 2015 Botswana Junior Open-Open | Gaborone | BOT | 2015-11-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1798 | 1398 | 0.00 | 1 | -0.08 | 40 | -3.20 | |
|  Malete, Phetogo | | | 1798 * | BOT | 0.00 | 1 | -0.08 | 40 | -3.20 | | | * 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) | | | | 2015 African Youth Chess Championships - U12B | Lusaka | ZAM | 2015-12-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1574 | 1398 | 1.00 | 5 | -0.41 | 40 | -16.40 | |
|  Yettouche, Yaristan | c | | 1606 | ALG | 0.00 | 1 | -0.23 | 40 | -9.20 | | | Beukes, Dante M | c | | 1611 | NAM | 0.50 | 1 | 0.27 | 40 | 10.80 | | | Schnabel, Johann Emil | c | | 1690 | RSA | 0.00 | 1 | -0.15 | 40 | -6.00 | | | Assem, Abderezzak | | | 1650 | ALG | 0.50 | 1 | 0.31 | 40 | 12.40 | | | Timothy, Mwabu | | | 1315 | KEN | 0.00 | 1 | -0.61 | 40 | -24.40 | |
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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