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Individual Calculations December 2018 |
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| Kosterin, Erik Total change: 3.20 | |   |
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| 2018 SPb B15 Championship Semifinal | St. Petersburg | RUS | 2018-10-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1235 | 1164 | 2.50 | 6 | 0.08 | 40 | 3.20 | |
|  Matveev, Nikita S. | | | 1321 | RUS | 0.50 | 1 | 0.21 | 40 | 8.40 | |  Antonov, Anton | | | 1303 | RUS | 0.00 | 1 | -0.31 | 40 | -12.40 | | | Remizov, Roman | | | 1073 | RUS | 0.50 | 1 | -0.12 | 40 | -4.80 | | | Ivanov, Ivan | | | 1362 | RUS | 1.00 | 1 | 0.76 | 40 | 30.40 | | | Romanov, Nikita M. | | | 1132 | RUS | 0.00 | 1 | -0.54 | 40 | -21.60 | | | Nagibin, Stepan | | | 1220 | RUS | 0.50 | 1 | 0.08 | 40 | 3.20 | |
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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