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Individual Calculations December 2017 |
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| Durow, Neil Total change: 2.40 | |   |
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| Gauteng Chess League (1st Division) | Pretoria | RSA | 2017-10-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1942 | 1925 | 2.50 | 5 | 0.06 | 40 | 2.40 | |
|  Mpya, Tshediso M | | | 1908 | RSA | 0.50 | 1 | -0.02 | 40 | -0.80 | | | Ramatseliso, Thabiso | | | 1771 | RSA | 0.50 | 1 | -0.21 | 40 | -8.40 | | | Van Rensburg, Ryan Pierre | m | | 2227 | RSA | 0.50 | 1 | 0.35 | 40 | 14.00 | |  Findlay, Michael | | | 1864 | RSA | 0.50 | 1 | -0.08 | 40 | -3.20 | | | Lekgau, Mothupi | | | 1939 | RSA | 0.50 | 1 | 0.02 | 40 | 0.80 | |
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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