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Individual Calculations October 2015 |
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| Modi, Sonia Total change: 32.80 | |   |
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| UJ Swiss Open | Johannesburg | RSA | 2015-09-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1634 | 1472 | 2.50 | 4 | 1.27 | 40 | 50.80 | |
|  Van Der Lingen, Waldi | | | 1698 | RSA | 1.00 | 1 | 0.79 | 40 | 31.60 | |  Modi, Yashil | f | | 1619 | RSA | 0.50 | 1 | 0.20 | 40 | 8.00 | | | Nyathi, Musa | | | 1383 | RSA | 1.00 | 1 | 0.38 | 40 | 15.20 | | | Mthunzi, Clive | | | 1837 | RSA | 0.00 | 1 | -0.10 | 40 | -4.00 | |
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) | | | | Steinitz Chess Club 38th Anniversary Festival (Prestige Section) | Cape Town | RSA | 2015-09-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1688 | 1472 | 0.00 | 2 | -0.45 | 40 | -18.00 | |
| | Grimmbacher, Andrew | f | | 1740 | RSA | 0.00 | 1 | -0.17 | 40 | -6.80 | | | Samuel, Caleb | c | | 1635 | RSA | 0.00 | 1 | -0.28 | 40 | -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) | | |
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