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Individual Calculations December 2017 |
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| Salonika, Saina Total change: 20.80 | |   |
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| World Girls under 20 Championship 2017 | Tarvisio | ITA | 2017-11-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2030 | 2025 | 6.00 | 11 | 0.52 | 40 | 20.80 | |
|  Vaishali, R | | wm | 2325 | IND | 0.00 | 1 | -0.15 | 40 | -6.00 | |  Jayaweera, Sayuni Gihansa | | wc | 1746 | SRI | 1.00 | 1 | 0.16 | 40 | 6.40 | | | Dordzhieva, Dinara | | wm | 2295 | RUS | 0.00 | 1 | -0.17 | 40 | -6.80 | | | Bidhar, Rutumbara | | wf | 1904 | IND | 0.00 | 1 | -0.66 | 40 | -26.40 | | | February, Jesse Nikki | | wm | 1874 | RSA | 1.00 | 1 | 0.30 | 40 | 12.00 | | | Silva, Mariana Sofia T. | | wc | 1883 | POR | 0.00 | 1 | -0.69 | 40 | -27.60 | | | Greibrokk, Ingrid | | | 1868 | NOR | 1.00 | 1 | 0.29 | 40 | 11.60 | | | Ichimura G. Barbosa, Larissa Y. | | wm | 1913 | BRA | 1.00 | 1 | 0.35 | 40 | 14.00 | | | Vidic, Teja | | wf | 2159 | SLO | 0.50 | 1 | 0.18 | 40 | 7.20 | | | Ghukasyan, Siranush | | wm | 2207 | ARM | 1.00 | 1 | 0.74 | 40 | 29.60 | | | Pratyusha, Bodda | | wm | 2152 | IND | 0.50 | 1 | 0.17 | 40 | 6.80 | |
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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