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Individual Calculations February 2020 |
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| Orev, Petar Total change: 28.60 | |   |
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| 13-th tournament Chess Weekend | Sofia | BUL | 2020-01-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1887 | 2039 | 5.50 | 6 | 1.43 | 20 | 28.60 | |
|  Kolev, Velio | | | 1639 * | BUL | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Karaivanova, Petya | | | 1815 | BUL | 1.00 | 1 | 0.22 | 20 | 4.40 | | | Popov, Georgi | | | 2015 | BUL | 1.00 | 1 | 0.47 | 20 | 9.40 | | | Todorov, Tsetsko | | | 2038 | BUL | 1.00 | 1 | 0.50 | 20 | 10.00 | | | Kolev, Lachezar | | | 2021 | BUL | 0.50 | 1 | -0.03 | 20 | -0.60 | | | Petrova, Maria | | | 1791 | BUL | 1.00 | 1 | 0.19 | 20 | 3.80 | | | * 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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