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Individual Calculations February 2020 |
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| Weerasekara, A W H S Total change: -22.40 | |   |
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| Sri Lanka National Youth Chess Championship 2019 - Under 15 years Girls | Colombo | SRI | 2019-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1236 | 1146 | 1.00 | 4 | -0.56 | 40 | -22.40 | |
|  Mapa, M M W H | | | 1428 | SRI | 0.00 | 1 | -0.16 | 40 | -6.40 | |  Sandanayake, Nimansa Sasanduni | | | 1217 | SRI | 0.50 | 1 | 0.10 | 40 | 4.00 | | | Hetti Arachchige, Thisumi S | | | 1274 | SRI | 0.00 | 1 | -0.33 | 40 | -13.20 | | | Minradha, M K Pramudhi | | | 1023 | SRI | 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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