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Individual Calculations February 2020 |
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| Coetzer, Daniel Total change: -100.40 | |   |
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| 2019 South African Junior Team Championships (U16A) | Boksburg | RSA | 2020-01-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1229 | 1539 | 0.00 | 2 | -1.70 | 40 | -68.00 | |
|  Pillay, Mikhael | | | 1139 * | RSA | 0.00 | 1 | -0.92 | 40 | -36.80 | |  Lubbe, David Stefanus | | | 1319 | RSA | 0.00 | 1 | -0.78 | 40 | -31.20 | | | * 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) | | | | 2020 Wild Card Championships (U16 Boys) | Boksburg | RSA | 2020-01-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1169 | 1539 | 1.00 | 2 | -0.81 | 40 | -32.40 | |
| | Xongwana, Sahlulelo | | | 1145 | RSA | 0.50 | 1 | -0.42 | 40 | -16.80 | | | De Swardt, Eduan | | | 1192 | RSA | 0.50 | 1 | -0.39 | 40 | -15.60 | |
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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