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Rapid:
Individual Calculations January 2020 |
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| Petkova, Irina Total change: 18.80 | |   |
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| 5th Tournament for Children EURO Sofia | Sofia | BUL | 2019-12-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1321 | 1181 | 3.00 | 6 | 0.94 | 20 | 18.80 | |
|  Popzafirov, Danail | | | 1285 | BUL | 1.00 | 1 | 0.64 | 20 | 12.80 | | | Todev, Simeon | c | | 1581 * | BUL | 0.00 | 1 | -0.08 | 20 | -1.60 | |  Tsolov, Aleksandar | | | 1221 | BUL | 1.00 | 1 | 0.56 | 20 | 11.20 | | | Dimov, Nikola | | | 1542 | BUL | 0.00 | 1 | -0.10 | 20 | -2.00 | | | Bayrakov, Boris | | | 1276 | BUL | 0.00 | 1 | -0.37 | 20 | -7.40 | | | Ivanov, Lachezar | | | 1019 | BUL | 1.00 | 1 | 0.29 | 20 | 5.80 | | | * 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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