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Individual Calculations October 2020 |
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| Velev, Josif Total change: -1.00 | |   |
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| Primorsko open 2019 B tournament | Primorsko | BUL | 2020-09-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1964 | 1995 | 3.00 | 6 | -0.05 | 20 | -1.00 | |
|  Petkova, Irina | | | 1595 * | BUL | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Iordanov, Nikolay | | | 2198 | BUL | 0.00 | 1 | -0.24 | 20 | -4.80 | | | Doykov, Stoycho | | | 1640 | BUL | 1.00 | 1 | 0.11 | 20 | 2.20 | | | Stefanov, Plamen | | | 2087 | BUL | 1.00 | 1 | 0.63 | 20 | 12.60 | | | Tashkov, Rumen | | | 2116 | BUL | 0.00 | 1 | -0.34 | 20 | -6.80 | | | Marholev, Dimitar | m | | 2150 | BUL | 0.00 | 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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