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Individual Calculations January 2020 |
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| Petkov, Plamen Total change: -12.40 | |   |
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| XII Chess Weekend | Sofia | BUL | 2019-12-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1598 | 1744 | 3.00 | 5 | -0.31 | 40 | -12.40 | |
|  Tsyntsarski, Boyko | | | 1715 | BUL | 0.00 | 1 | -0.54 | 40 | -21.60 | | | Simov, Zahari | | | 1447 | BUL | 1.00 | 1 | 0.15 | 40 | 6.00 | |  Bayrakov, Boris | | | 1344 * | BUL | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Mladenov, Andrey | | | 1582 | BUL | 1.00 | 1 | 0.29 | 40 | 11.60 | | | Gelemerov, Yane | | | 1903 | BUL | 0.00 | 1 | -0.29 | 40 | -11.60 | | | * 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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