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Individual Calculations October 2015 |
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| Sapareva, Magdalena Total change: -34.20 | |   |
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| 149th MGU open | Sofia | BUL | 2015-09-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1548 | 1567 | 1.00 | 5 | -1.61 | 20 | -32.20 | |
|  Andreev, Dobrotich | | | 1921 | BUL | 0.00 | 1 | -0.11 | 20 | -2.20 | |  Georgiev, Nikolay | | | 1545 | BUL | 0.00 | 1 | -0.53 | 20 | -10.60 | | | Sabov, Borislav | | | 1565 | BUL | 0.00 | 1 | -0.50 | 20 | -10.00 | | | Georgiev, Konstantin | | | 1533 | BUL | 0.00 | 1 | -0.55 | 20 | -11.00 | | | Bonchev, Martin | | | 1174 | BUL | 1.00 | 1 | 0.08 | 20 | 1.60 | |
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) | | | | 150th MGU open | Sofia | BUL | 2015-09-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1641 | 1567 | 2.00 | 5 | -0.10 | 20 | -2.00 | |
| | Gelemerov, Yane | | | 1967 * | BUL | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Simonska, Gergana | | | 1216 | BUL | 1.00 | 1 | 0.11 | 20 | 2.20 | | | Kostov, Nikolay | | | 1803 | BUL | 0.00 | 1 | -0.20 | 20 | -4.00 | | | Petkov, Gabriel | | | 1301 | BUL | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Stamenov, Valeriy | | | 1918 | BUL | 0.00 | 1 | -0.11 | 20 | -2.20 | | | * 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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