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Rapid:
Individual Calculations March 2019 |
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| Todorova, Dobrinka Total change: -17.80 | |   |
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| Hereja Drujba Open | Sofia | BUL | 2019-02-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1121 | 1257 | 2.50 | 5 | -0.89 | 20 | -17.80 | |
|  Klaklov, Nikola | | | 1114 | BUL | 0.50 | 1 | -0.19 | 20 | -3.80 | |  Popzafirov, Danail | | | 1246 | BUL | 0.00 | 1 | -0.52 | 20 | -10.40 | | | Niklenov, Nikola | | | 1128 | BUL | 1.00 | 1 | 0.33 | 20 | 6.60 | | | Belchev, Valeri | | | 1094 | BUL | 0.50 | 1 | -0.22 | 20 | -4.40 | | | Krasteva, Yoana | | | 1024 | BUL | 0.50 | 1 | -0.29 | 20 | -5.80 | |
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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