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Individual Calculations January 2020 |
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| Platt, Jonathan Total change: -14.80 | |   |
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| 2019 African Youth Chess Championship (Under 14 Open) | Windhoek | NAM | 2019-12-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1412 | 1304 | 1.50 | 5 | -0.37 | 40 | -14.80 | |
|  Jane, Galeshewe | | | 1312 | NAM | 1.00 | 1 | 0.51 | 40 | 20.40 | |  Shah, Viraj Bhaveshu | | | 1378 | KEN | 0.50 | 1 | 0.10 | 40 | 4.00 | | | Costa, Bruno | | | 1674 | ANG | 0.00 | 1 | -0.10 | 40 | -4.00 | | | Raymond, Maretlwaneng | | | 1277 | BOT | 0.00 | 1 | -0.54 | 40 | -21.60 | | | Nomenjanahary, Fanilo | | | 1421 | MAD | 0.00 | 1 | -0.34 | 40 | -13.60 | |
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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