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Individual Calculations November 2011 |
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| Howells, S Wyn Total change: -16.50 | |   |
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| II Balkan amateur chess festival | Belogradchik | BUL | 2011-08-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1999 | 1777 | 0.50 | 4 | -0.55 | 30 | -16.50 | |
|  Vandev, Dimitar | | | 2177 * | BUL | 0.00 | 1 | -0.08 | 30 | -2.40 | | | Danov, Lyubomir | | | 2049 | BUL | 0.50 | 1 | 0.33 | 30 | 9.90 | |  Andreev, Stanislav | | | 2154 | BUL | 0.00 | 1 | -0.09 | 30 | -2.70 | | | Kovachev, Radoslav | | | 1616 | BUL | 0.00 | 1 | -0.71 | 30 | -21.30 | | | * 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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