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Individual Calculations February 2020 |
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| Kostov, Nikolay Total change: -19.00 | |   |
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| 13-th tournament Chess Weekend | Sofia | BUL | 2020-01-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1596 | 1614 | 2.50 | 6 | -0.59 | 20 | -11.80 | |
|  Todorov, Tsetsko | | | 2014 * | BUL | 0.00 | 1 | -0.08 | 20 | -1.60 | |  Petkova, Irina | | | 1287 | BUL | 1.00 | 1 | 0.13 | 20 | 2.60 | | | Karaivanova, Petya | | | 1815 | BUL | 0.00 | 1 | -0.24 | 20 | -4.80 | | | Sapareva, Magdalena | | | 1449 | BUL | 1.00 | 1 | 0.28 | 20 | 5.60 | | | Timev, Aleksandar | | | 1214 * | BUL | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Dimov, Nikola | | | 1796 | BUL | 0.00 | 1 | -0.26 | 20 | -5.20 | | | * 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) | | | | Chess Tournament MGU - 216 | Sofia | BUL | 2020-01-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1554 | 1614 | 2.00 | 4 | -0.36 | 20 | -7.20 | |
| | Hristov, Boyko | | | 1426 | BUL | 0.50 | 1 | -0.24 | 20 | -4.80 | | | Avramov, Evgeni | | | 1277 | BUL | 0.50 | 1 | -0.38 | 20 | -7.60 | | | Stoyanov, Ivan | | | 1497 | BUL | 1.00 | 1 | 0.34 | 20 | 6.80 | | | Nachev, Nasko | | | 2014 * | BUL | 0.00 | 1 | -0.08 | 20 | -1.60 | | | * 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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