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Individual Calculations January 2018 |
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| Koftunov, Viacheslav Total change: -6.40 | |   |
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| 2017 SPb B15 Championship Semifinal | St. Petersburg | RUS | 2017-10-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1395 | 1223 | 1.50 | 6 | -0.16 | 40 | -6.40 | |
|  Zaripov, Ilyas | | | 1419 | RUS | 0.00 | 1 | -0.25 | 40 | -10.00 | |  Ivanov, Ivan | | | 1341 | RUS | 0.00 | 1 | -0.34 | 40 | -13.60 | | | Volf, Sergey | | | 1324 | RUS | 1.00 | 1 | 0.64 | 40 | 25.60 | | | Petrov, Igor | | | 1407 | RUS | 0.00 | 1 | -0.26 | 40 | -10.40 | | | Sarkisian, Artem | | | 1472 | RUS | 0.00 | 1 | -0.19 | 40 | -7.60 | | | Tishchenko, Dmitriy | | | 1406 | RUS | 0.50 | 1 | 0.24 | 40 | 9.60 | |
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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