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Individual Calculations March 2017 |
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| Karova, Peya Total change: 3.60 | |   |
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| 39th Bulgarian Open Championship Memorial "Georgi Tringov" B | Plovdiv | BUL | 2017-01-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1672 | 1288 | 0.00 | 3 | -0.27 | 40 | -10.80 | |
|  Petrov, Anton | | | 1688 * | BUL | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Chitakova, Galya | | | 1641 | BUL | 0.00 | 1 | -0.11 | 40 | -4.40 | | | Darakchiev, Manol | | | 1688 * | BUL | 0.00 | 1 | -0.08 | 40 | -3.20 | | | * 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) | | | | 66th Bulgarian Individual Chess Championship Semifinal - Women | Plovdiv | BUL | 2017-02-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1436 | 1288 | 2.00 | 5 | 0.36 | 40 | 14.40 | |
| | Vasileva, Cveta | | | 1562 | BUL | 0.00 | 1 | -0.17 | 40 | -6.80 | |  Petrova, Maria | | | 1536 | BUL | 0.00 | 1 | -0.19 | 40 | -7.60 | | | Toncheva, Nadya | | | 1647 | BUL | 0.00 | 1 | -0.10 | 40 | -4.00 | | | Ma, Ichen | | | 1333 | BUL | 1.00 | 1 | 0.56 | 40 | 22.40 | | | Petkova, Irina | | | 1103 | BUL | 1.00 | 1 | 0.26 | 40 | 10.40 | |
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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