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Individual Calculations November 2020 |
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| Petkova, Irina Total change: 105.20 | |   |
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| XVI Chess Weekend Open | Sofia | BUL | 2020-10-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1760 | 1584 | 4.00 | 5 | 2.63 | 40 | 105.20 | |
|  Ivanov, Svetlen | c | | 1781 | BUL | 1.00 | 1 | 0.75 | 40 | 30.00 | |  Ignatov, Bojidar | | | 1734 | BUL | 0.50 | 1 | 0.20 | 40 | 8.00 | | | Georgiev, Dimitar | | | 1705 | BUL | 0.50 | 1 | 0.16 | 40 | 6.40 | | | Karaivanova, Petya | | | 1829 | BUL | 1.00 | 1 | 0.80 | 40 | 32.00 | | | Timev, Anzhelo | | | 1749 | BUL | 1.00 | 1 | 0.72 | 40 | 28.80 | |
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) | | |
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