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Individual Calculations February 2020 |
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| Sapareva, Magdalena Total change: -14.40 | |   |
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| 13-th tournament Chess Weekend | Sofia | BUL | 2020-01-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1628 | 1449 | 1.00 | 4 | -0.13 | 20 | -2.60 | |
|  Karaivanova, Petya | | | 1815 | BUL | 0.00 | 1 | -0.10 | 20 | -2.00 | |  Mirovanski, Vasil | | | 1584 | BUL | 0.00 | 1 | -0.32 | 20 | -6.40 | | | Kostov, Nikolay | | | 1614 | BUL | 0.00 | 1 | -0.28 | 20 | -5.60 | | | Stoyanov, Ivan | | | 1497 | BUL | 1.00 | 1 | 0.57 | 20 | 11.40 | |
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) | | | | Chess Tournament MGU - 216 | Sofia | BUL | 2020-01-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1644 | 1449 | 0.00 | 2 | -0.59 | 20 | -11.80 | |
| | Nachev, Nasko | | | 1849 * | BUL | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Hristov, Aleksandar | | | 1439 | BUL | 0.00 | 1 | -0.51 | 20 | -10.20 | | | * 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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