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Individual Calculations March 2017 |
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| Kostov, Nikolay Total change: -41.20 | |   |
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| 181th MGU open | Sofia | BUL | 2017-02-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1554 | 1694 | 1.50 | 5 | -1.87 | 20 | -37.40 | |
|  Ilieva, Ralitsa | | | 1469 | BUL | 0.00 | 1 | -0.78 | 20 | -15.60 | |  Grabchev, Plamen | | | 1378 | BUL | 1.00 | 1 | 0.13 | 20 | 2.60 | | | Taushanov, Stojan | | | 1774 | BUL | 0.50 | 1 | 0.11 | 20 | 2.20 | | | Ivanov, Oleg | | | 1594 | BUL | 0.00 | 1 | -0.64 | 20 | -12.80 | | | Mladenov, Andrey | | | 1553 | BUL | 0.00 | 1 | -0.69 | 20 | -13.80 | |
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) | | | | 182nd MGU open | Sofia | BUL | 2017-02-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1656 | 1694 | 2.50 | 5 | -0.19 | 20 | -3.80 | |
| | Karaivanova, Petya | | | 1429 | BUL | 0.00 | 1 | -0.82 | 20 | -16.40 | | | Georgiev, Nikolay | | | 1644 | BUL | 1.00 | 1 | 0.43 | 20 | 8.60 | | | Metev, Martin | | | 2030 | BUL | 0.00 | 1 | -0.12 | 20 | -2.40 | | | Lenkova, Lyubomira | | | 1303 | BUL | 1.00 | 1 | 0.09 | 20 | 1.80 | | | Mehmed, Elif | | | 1873 | BUL | 0.50 | 1 | 0.23 | 20 | 4.60 | |
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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