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Rapid:
Individual Calculations January 2020 |
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| Tsolov, Aleksandar Total change: 6.00 | |   |
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| International Chess Festival FORCE 64 - U10 | Sofia | BUL | 2019-12-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1380 | 1221 | 2.50 | 4 | 1.27 | 20 | 25.40 | |
|  Kostov, Troyan | | | 1481 | BUL | 1.00 | 1 | 0.82 | 20 | 16.40 | | | Kononenko, Vladimir | | | 1501 | BUL | 0.00 | 1 | -0.16 | 20 | -3.20 | |  Kryshtafor, Maksym | | | 1460 | UKR | 1.00 | 1 | 0.80 | 20 | 16.00 | | | Belchev, Valeri | | | 1076 | BUL | 0.50 | 1 | -0.19 | 20 | -3.80 | |
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 |
| 1170 | 1221 | 2.50 | 6 | -0.97 | 20 | -19.40 | |
| | Dimov, Nikola | | | 1542 | BUL | 0.00 | 1 | -0.13 | 20 | -2.60 | | | Kochev, Ivan | | | 1005 | BUL | 1.00 | 1 | 0.22 | 20 | 4.40 | | | Petkova, Irina | | | 1181 | BUL | 0.00 | 1 | -0.56 | 20 | -11.20 | | | Ivanov, Lachezar | | | 1019 | BUL | 1.00 | 1 | 0.24 | 20 | 4.80 | | | Vorobyova, Sofia | | | 1121 | RUS | 0.00 | 1 | -0.64 | 20 | -12.80 | | | Grigorova, Asya | | | 1152 | BUL | 0.50 | 1 | -0.10 | 20 | -2.00 | |
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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