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Individual Calculations November 2021 |
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| Petrov, Valeriy Total change: -28.00 | |   |
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| First Amateur Open Bulgarian Championship | Plovdiv | BUL | 2021-09-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1450 | 1644 | 5.00 | 9 | -1.40 | 20 | -28.00 | |
|  Mitov, Nikola | | | 1244 * | BUL | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Stoyanov, Stoyan Or | | | 1996 | BUL | 0.00 | 1 | -0.11 | 20 | -2.20 | | | Kolev, Nikola T | | | 1244 * | BUL | 0.00 | 1 | -0.92 | 20 | -18.40 | | | Niklenov, Nikola | | | 1244 * | BUL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Zahariev, Velislav | | | 1244 * | BUL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Gochev, Gincho | | | 1840 | BUL | 0.00 | 1 | -0.25 | 20 | -5.00 | | | Parastatidis, Charalampos | | | 1424 | GRE | 0.00 | 1 | -0.78 | 20 | -15.60 | | | Nenchev, Georgi | | | 1345 | BUL | 1.00 | 1 | 0.15 | 20 | 3.00 | | | Vasileva, Cveta | | | 1470 | BUL | 1.00 | 1 | 0.27 | 20 | 5.40 | | | * 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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