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Individual Calculations November 2017 |
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| Van Zyl-Rudd, Jack Total change: -12.40 | |   |
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| 2017 KCF Africa Team Chess Invitational (Team) | Brakpan | RSA | 2017-10-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2184 | 2165 | 3.00 | 7 | -0.31 | 40 | -12.40 | |
|  Pein, Jonathan | | | 2201 | ENG | 0.50 | 1 | 0.05 | 40 | 2.00 | |  Kabwe, Timothy | | | 2206 | ZAM | 0.00 | 1 | -0.44 | 40 | -17.60 | | | Ovcina, Dennis | | | 2205 | RSA | 0.50 | 1 | 0.06 | 40 | 2.40 | | | Klaver, Cornelis | | | 2113 | RSA | 0.50 | 1 | -0.07 | 40 | -2.80 | | | Oatlhotse, Providence | m | | 2197 | BOT | 0.50 | 1 | 0.04 | 40 | 1.60 | | | Mosetlhe, Kgaugelo | | | 2197 | RSA | 0.50 | 1 | 0.04 | 40 | 1.60 | | | Pon, Matt | f | | 2171 | RSA | 0.50 | 1 | 0.01 | 40 | 0.40 | |
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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