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Rapid:
Individual Calculations January 2020 |
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| Bayrakov, Boris Total change: -11.00 | |   |
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| International Chess Festival FORCE 64 - U10 | Sofia | BUL | 2019-12-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1347 | 1276 | 1.50 | 3 | 0.27 | 20 | 5.40 | |
|  Kryshtafor, Maksym | | | 1460 | UKR | 0.00 | 1 | -0.26 | 20 | -5.20 | | | Uzunov, Emil | | | 1080 | BUL | 1.00 | 1 | 0.25 | 20 | 5.00 | |  Kononenko, Vladimir | | | 1501 | BUL | 0.50 | 1 | 0.28 | 20 | 5.60 | |
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) | | | | 5th Tournament for Children EURO Sofia | Sofia | BUL | 2019-12-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1120 | 1276 | 2.00 | 4 | -0.82 | 20 | -16.40 | |
| | Grigorova, Asya | | | 1152 | BUL | 0.00 | 1 | -0.67 | 20 | -13.40 | | | Vorobyova, Sofia | | | 1121 | RUS | 0.00 | 1 | -0.71 | 20 | -14.20 | | | Krasteva, Yoana | | | 1026 | BUL | 1.00 | 1 | 0.19 | 20 | 3.80 | | | Petkova, Irina | | | 1181 | BUL | 1.00 | 1 | 0.37 | 20 | 7.40 | |
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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