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Individual Calculations January 2019 |
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| Nkosi, Dumisa Jacob Total change: 27.00 | |   |
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| 2018 Inter Region Chess Championships | Boksburg | RSA | 2018-12-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1792 | 1810 | 5.00 | 7 | 1.35 | 20 | 27.00 | |
|  Swart, George | | | 1561 | RSA | 1.00 | 1 | 0.19 | 20 | 3.80 | |  Erlank, Warrick | | | 1956 | RSA | 0.50 | 1 | 0.20 | 20 | 4.00 | | | February, Jesse Nikki | | wm | 1919 | RSA | 0.50 | 1 | 0.15 | 20 | 3.00 | | | Chimbwanda, Panashe | | | 1773 | ZIM | 1.00 | 1 | 0.45 | 20 | 9.00 | | | Richter, Jan-Michael | | | 1510 | RSA | 1.00 | 1 | 0.15 | 20 | 3.00 | | | Sikwati, Lizo | | | 1694 | RSA | 0.50 | 1 | -0.16 | 20 | -3.20 | | | De Abreu, Roberto N | f | | 2131 | RSA | 0.50 | 1 | 0.37 | 20 | 7.40 | |
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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