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Individual Calculations December 2019 |
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| Borisov, Sofia-Ioana Total change: 20.00 | |   |
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| Black Sea Cup 2019 - B tournament U12 | Jupiter | ROU | 2019-08-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1190 | 1351 | 4.00 | 5 | 0.50 | 40 | 20.00 | |
|  Badica, Ariana | | | 1082 | ROU | 1.00 | 1 | 0.17 | 40 | 6.80 | |  Pufleni, Maria | | | 1268 | ROU | 0.50 | 1 | -0.11 | 40 | -4.40 | | | Negrean, Andrei | | | 1322 | ROU | 0.50 | 1 | -0.04 | 40 | -1.60 | | | Sandu, Andrei-Stefan | | | 1053 | ROU | 1.00 | 1 | 0.15 | 40 | 6.00 | | | Boureanu, Bianca-Alina | | | 1223 | ROU | 1.00 | 1 | 0.33 | 40 | 13.20 | |
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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