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Rapid:
Individual Calculations January 2020 |
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| Popzafirov, Danail Total change: 22.20 | |   |
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| International Chess Festival FORCE 64 - U10 | Sofia | BUL | 2019-12-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1246 | 1285 | 2.00 | 3 | 0.34 | 20 | 6.80 | |
|  Kononenko, Vladimir | | | 1501 | BUL | 0.00 | 1 | -0.22 | 20 | -4.40 | | | Cirkovic, Vuk | | | 1115 | SRB | 1.00 | 1 | 0.28 | 20 | 5.60 | |  Yanakov, Hristian | | | 1121 | BUL | 1.00 | 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 |
| 1270 | 1285 | 4.00 | 6 | 0.77 | 20 | 15.40 | |
| | Petkova, Irina | | | 1181 | BUL | 0.00 | 1 | -0.64 | 20 | -12.80 | | | Kerekchiyski, Atanas | | | 1142 | BUL | 1.00 | 1 | 0.31 | 20 | 6.20 | | | Vorobyova, Sofia | | | 1121 | RUS | 1.00 | 1 | 0.28 | 20 | 5.60 | | | Kanov, Nikola | c | | 1685 * | BUL | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Hristov, Ivan | | | 1289 | BUL | 1.00 | 1 | 0.51 | 20 | 10.20 | | | Markov, Daniel | | | 1204 | BUL | 1.00 | 1 | 0.39 | 20 | 7.80 | | | * 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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