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Individual Calculations October 2019 |
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| De Jager, Luan Total change: -16.40 | |   |
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| 2019 Chess Western Province League (Premier) | Cape Town | RSA | 2019-07-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1626 | 1877 | 4.00 | 5 | 0.04 | 20 | 0.80 | |
|  Van Schaik, Michael | | | 1477 * | RSA | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Mentoor, Theodor | | | 1540 | RSA | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Ohlson, Cecil | | | 1628 | RSA | 1.00 | 1 | 0.19 | 20 | 3.80 | | | Lawerlot, George Lee-Roy | | | 1795 | RSA | 0.50 | 1 | -0.11 | 20 | -2.20 | | | Nkuna, Mchuchisi Martin | | | 1692 | RSA | 0.50 | 1 | -0.24 | 20 | -4.80 | | | * 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) | | | | 2019 Western Cape Closed Chess Championships (Elite) | Stellenbosch | RSA | 2019-09-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1743 | 1877 | 2.50 | 5 | -0.86 | 20 | -17.20 | |
| | Nevin, Tyler | | | 1708 | RSA | 0.00 | 1 | -0.72 | 20 | -14.40 | | | Lawrence, Gordon | | | 1899 | RSA | 0.50 | 1 | 0.03 | 20 | 0.60 | | | Laubscher, Anzel | | wm | 1759 | RSA | 0.50 | 1 | -0.16 | 20 | -3.20 | | | Van Der Merwe, Alexander | | | 1612 | RSA | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Samuel, Caleb | c | | 1737 | RSA | 0.50 | 1 | -0.19 | 20 | -3.80 | |
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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