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Individual Calculations April 2015 |
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| Koleva, Aleksandrina Total change: -72.40 | |   |
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| 138th MGU open | Sofia | BUL | 2015-03-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1702 | 1819 | 2.00 | 5 | -1.20 | 40 | -48.00 | |
|  Georgiev, Nikolay | | | 1562 | BUL | 0.00 | 1 | -0.82 | 40 | -32.80 | |  Kostov, Nikolay | | | 1815 | BUL | 0.50 | 1 | -0.01 | 40 | -0.40 | | | Stathopoulos, Fotios | | | 1637 | BUL | 1.00 | 1 | 0.26 | 40 | 10.40 | | | Krasteva, Beloslava | | | 1485 | BUL | 0.50 | 1 | -0.38 | 40 | -15.20 | | | Metev, Martin | | | 2009 | BUL | 0.00 | 1 | -0.25 | 40 | -10.00 | |
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) | | | | 140th MGU open | Sofia | BUL | 2015-03-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1883 | 1819 | 1.50 | 5 | -0.61 | 40 | -24.40 | |
| | Krastev, Goran | | | 2077 | BUL | 0.00 | 1 | -0.18 | 40 | -7.20 | | | Mustedjeb, Anher | | | 1695 | BUL | 0.50 | 1 | -0.17 | 40 | -6.80 | | | Stanchev, Plamen | | | 1848 | BUL | 1.00 | 1 | 0.54 | 40 | 21.60 | | | Metev, Martin | | | 2009 | BUL | 0.00 | 1 | -0.25 | 40 | -10.00 | | | Dochev, Delyan | | | 1786 | BUL | 0.00 | 1 | -0.55 | 40 | -22.00 | |
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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