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Individual Calculations February 2018 |
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| Raaid, J D M Total change: 8.80 | |   |
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| Sri Lanka National Youth Chess Championship 2017 and 2018 Under - 13 years | Colombo | SRI | 2017-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1194 | 1041 | 2.00 | 6 | 0.22 | 40 | 8.80 | |
|  Jayatissa, Chanuth Devnaka | | | 1230 | SRI | 1.00 | 1 | 0.75 | 40 | 30.00 | |  Alwela, Senuja Thimeth | | | 1252 | SRI | 0.00 | 1 | -0.23 | 40 | -9.20 | | | Gunasinghe, K D A N | | | 1180 | SRI | 0.00 | 1 | -0.31 | 40 | -12.40 | | | Bandara, W M Malitha | | | 1142 | SRI | 0.00 | 1 | -0.36 | 40 | -14.40 | | | Rathnayake, H M Dham Pulindu | | | 1149 | SRI | 0.50 | 1 | 0.15 | 40 | 6.00 | | | Amarathunga, W A S V | | | 1208 | SRI | 0.50 | 1 | 0.22 | 40 | 8.80 | |
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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