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Individual Calculations October 2015 |
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| Kostov, Nikolay Total change: -5.40 | |   |
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| 149th MGU open | Sofia | BUL | 2015-09-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1668 | 1803 | 3.50 | 5 | 0.17 | 20 | 3.40 | |
|  Georgiev, Nikolay | | | 1545 | BUL | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Andreev, Dobrotich | | | 1921 | BUL | 1.00 | 1 | 0.66 | 20 | 13.20 | |  Tagarev, Ivan | | | 1551 | BUL | 0.50 | 1 | -0.31 | 20 | -6.20 | | | Mehmed, Elif | | | 1754 | BUL | 0.00 | 1 | -0.57 | 20 | -11.40 | | | Simov, Zahari | | | 1568 | BUL | 1.00 | 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) | | | | 150th MGU open | Sofia | BUL | 2015-09-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1733 | 1803 | 3.00 | 6 | -0.44 | 20 | -8.80 | |
| | Yordanov, Kaloyan | | | 1403 * | BUL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Orev, Petar | m | | 2050 | BUL | 0.00 | 1 | -0.19 | 20 | -3.80 | | | Sapareva, Magdalena | | | 1567 | BUL | 1.00 | 1 | 0.20 | 20 | 4.00 | | | Mladenov, Andrey | | | 1623 | BUL | 1.00 | 1 | 0.26 | 20 | 5.20 | | | Patev, Petko | | | 1838 | BUL | 0.00 | 1 | -0.45 | 20 | -9.00 | | | Stamenov, Valeriy | | | 1918 | BUL | 0.00 | 1 | -0.34 | 20 | -6.80 | | | * 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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