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Individual Calculations August 2015 |
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| Karaivanova, Petya Total change: -120.00 | |   |
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| The fans of chess 2015 | Varna | BUL | 2015-06-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1552 | 1610 | 1.00 | 4 | -1.33 | 40 | -53.20 | |
|  Yordanov, Lachezar | | | 1986 | BUL | 0.00 | 1 | -0.09 | 40 | -3.60 | | | Kovachev, Radoslav | | | 1534 | BUL | 0.00 | 1 | -0.60 | 40 | -24.00 | |  Petkova, Lilia | | | 1287 | BUL | 1.00 | 1 | 0.13 | 40 | 5.20 | | | Mustafayev, Nihad | | | 1401 | AZE | 0.00 | 1 | -0.77 | 40 | -30.80 | |
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) | | | | The hopes of the world U10 2015 | Varna | BUL | 2015-07-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1356 | 1610 | 1.50 | 4 | -1.67 | 40 | -66.80 | |
| | Boger, Juri | | | 1229 | RUS | 0.00 | 1 | -0.91 | 40 | -36.40 | | | Arbuzov, Timofey | | | 1577 | RUS | 0.50 | 1 | -0.05 | 40 | -2.00 | | | Iliev, Viktor | | | 1331 | BUL | 0.00 | 1 | -0.84 | 40 | -33.60 | | | Kostev, Alex | | | 1287 | BUL | 1.00 | 1 | 0.13 | 40 | 5.20 | |
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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