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Individual Calculations October 2021 |
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| Belev, Ivaylo Total change: -25.60 | |   |
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| Primorsko Open B 2021 | Primorsko | BUL | 2021-09-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1661 | 1787 | 2.00 | 5 | -1.28 | 20 | -25.60 | |
|  Stefanov, Plamen | | | 2072 | BUL | 0.00 | 1 | -0.16 | 20 | -3.20 | |  Ozsoy, Idil Mira | | | 1615 | TUR | 0.00 | 1 | -0.73 | 20 | -14.60 | | | Doykov, Stoycho | | | 1580 | BUL | 1.00 | 1 | 0.23 | 20 | 4.60 | | | Petkova, Irina | | | 1629 | BUL | 0.50 | 1 | -0.21 | 20 | -4.20 | | | Shevtsov, Demyan | | | 1408 | RUS | 0.50 | 1 | -0.41 | 20 | -8.20 | |
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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