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Individual Calculations February 2018 |
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| Kobak, Polina Total change: 70.40 | |   |
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| Christmas Tournament B 2017-18 | St. Petersburg | RUS | 2017-12-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1239 | 1174 | 1.50 | 4 | -0.20 | 40 | -8.00 | |
|  Myslevsky, Fedor | | | 1426 | RUS | 0.00 | 1 | -0.19 | 40 | -7.60 | |  Sadekov, Maksim | | | 1351 | EST | 0.00 | 1 | -0.27 | 40 | -10.80 | | | Afanasenkov, Vladimir | | | 1072 | RUS | 0.50 | 1 | -0.14 | 40 | -5.60 | | | Bogomolov, Georgii | | | 1105 | RUS | 1.00 | 1 | 0.40 | 40 | 16.00 | |
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) | | | | Early Bird 14 | St. Petersburg | RUS | 2018-01-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1523 | 1174 | 3.00 | 8 | 1.96 | 40 | 78.40 | |
| | Shkuratov, Vladimir | | | 1574 * | RUS | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Kurchenko, Egor | | | 1574 * | RUS | 0.50 | 1 | 0.42 | 40 | 16.80 | | | Spiridonov, Mikhail | | | 1574 * | RUS | 0.50 | 1 | 0.42 | 40 | 16.80 | | | Trushnikov, Viacheslav | | | 1574 * | RUS | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Turetsky, Mark | | | 1574 * | RUS | 1.00 | 1 | 0.92 | 40 | 36.80 | | | Simkin, Alexander | | | 1574 * | RUS | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Grin, Erik-Alexander | | | 1220 | RUS | 0.50 | 1 | 0.06 | 40 | 2.40 | | | Zaliev, Rostislav | | | 1516 | RUS | 0.50 | 1 | 0.38 | 40 | 15.20 | | | * 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) | | |
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