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Individual Calculations February 2018 |
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| Wei, Boyang Total change: -36.80 | |   |
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| "Boyi Cup"China Youth Chess International Open Tournament 2018 | Harbin, China | CHN | 2018-01-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1699 | 1687 | 0.50 | 3 | -0.92 | 40 | -36.80 | |
|  Sun, Yidi | | | 1810 | CHN | 0.00 | 1 | -0.33 | 40 | -13.20 | | | Merts, Dmitrii | | | 1870 | RUS | 0.00 | 1 | -0.26 | 40 | -10.40 | |  Liu, Jiapeng | | | 1418 | CHN | 0.50 | 1 | -0.33 | 40 | -13.20 | |
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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