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Individual Calculations April 2015 |
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| Kamenov, Valentin Total change: 6.20 | |   |
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| 137th MGU open | Sofia | BUL | 2015-02-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1859 | 1793 | 2.00 | 4 | 0.31 | 20 | 6.20 | |
|  Grabcheva, Natalia | | | 1545 | BUL | 1.00 | 1 | 0.19 | 20 | 3.80 | |  Andreev, Dobrotich | | | 1945 | BUL | 0.00 | 1 | -0.30 | 20 | -6.00 | | | Kostov, Nikolay | | | 1832 | BUL | 1.00 | 1 | 0.55 | 20 | 11.00 | | | Orev, Petar | m | | 2115 | BUL | 0.00 | 1 | -0.13 | 20 | -2.60 | |
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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