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Individual Calculations September 2012 |
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| Dafchev, Ivan Bonchev Total change: -23.10 | |   |
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| National team championship 2012 boys U12 | Veliko Tarnovo | BUL | 2012-08-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1661 | 1618 | 1.00 | 4 | -0.77 | 30 | -23.10 | |
|  Vasiliadis, Antony | | | 1640 | BUL | 0.00 | 1 | -0.47 | 30 | -14.10 | |  Varbanov, Vladimir | | | 1689 | BUL | 0.00 | 1 | -0.40 | 30 | -12.00 | | | Petkova, Nadezhda | | | 1620 | BUL | 0.50 | 1 | 0.00 | 30 | 0.00 | | | Vasilev, Martin | | | 1693 | BUL | 0.50 | 1 | 0.10 | 30 | 3.00 | |
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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