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Individual Calculations April 2015 |
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| Kolev, Velio Total change: -21.20 | |   |
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| 137th MGU open | Sofia | BUL | 2015-02-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1729 | 1825 | 2.00 | 5 | -1.11 | 20 | -22.20 | |
|  Grabcheva, Natalia | | | 1545 | BUL | 0.50 | 1 | -0.34 | 20 | -6.80 | | | Gelemerov, Yane | | | 2051 | BUL | 0.00 | 1 | -0.21 | 20 | -4.20 | |  Tsyntsarski, Boyko | | | 1737 | BUL | 1.00 | 1 | 0.38 | 20 | 7.60 | | | Le Borgne, Romain | | | 1707 | FRA | 0.00 | 1 | -0.66 | 20 | -13.20 | | | Simov, Zahari | | | 1604 | BUL | 0.50 | 1 | -0.28 | 20 | -5.60 | |
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) | | | | 139th MGU open | Sofia | BUL | 2015-03-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1735 | 1803 | 3.50 | 6 | 0.05 | 20 | 1.00 | |
| | Tenev, Bogdan | | | 1403 * | BUL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Metev, Martin | | | 2009 | BUL | 0.00 | 1 | -0.24 | 20 | -4.80 | | | Green, Moria | | | 1717 | BUL | 0.50 | 1 | -0.12 | 20 | -2.40 | | | Tashev, Aleksandar | | | 1681 | BUL | 0.00 | 1 | -0.67 | 20 | -13.40 | | | Asparuhov, Parvan | | | 2039 | BUL | 1.00 | 1 | 0.80 | 20 | 16.00 | | | Georgiev, Nikolay | | | 1562 | BUL | 1.00 | 1 | 0.20 | 20 | 4.00 | | | * 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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