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Individual Calculations November 2017 |
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| Kostov, Nikolay Total change: -15.40 | |   |
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| 191st MGU open | Sofia | BUL | 2017-09-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1860 | 1648 | 1.50 | 4 | 0.55 | 20 | 11.00 | |
|  Metev, Martin | | | 1965 | BUL | 1.00 | 1 | 0.87 | 20 | 17.40 | |  Babatov, Martin | | | 1737 | BUL | 0.50 | 1 | 0.12 | 20 | 2.40 | | | Tzonev, Kirjl | | | 1855 | BUL | 0.00 | 1 | -0.23 | 20 | -4.60 | | | Andreev, Dobrotich | | | 1881 | BUL | 0.00 | 1 | -0.21 | 20 | -4.20 | |
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) | | | | 192nd MGU open | Sofia | BUL | 2017-10-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1752 | 1646 | 0.50 | 5 | -1.32 | 20 | -26.40 | |
| | Metev, Martin | | | 1907 | BUL | 0.00 | 1 | -0.18 | 20 | -3.60 | | | Simeonov, Daniel | | | 1528 | BUL | 0.50 | 1 | -0.16 | 20 | -3.20 | | | Andreev, Dobrotich | | | 1844 | BUL | 0.00 | 1 | -0.24 | 20 | -4.80 | | | Mihalev, Daniil | | | 1727 | BUL | 0.00 | 1 | -0.39 | 20 | -7.80 | | | Babatov, Martin | | | 1755 | BUL | 0.00 | 1 | -0.35 | 20 | -7.00 | |
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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