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Individual Calculations February 2018 |
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| Wijesooriya, Chamitha Dinath Total change: 11.20 | |   |
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| Sri Lanka National Youth Chess Championship 2017 and 2018 Under - 15 years | Colombo | SRI | 2017-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1214 | 1007 | 1.50 | 5 | 0.28 | 40 | 11.20 | |
|  Sahasra, A P Sasindu | | | 1328 | SRI | 0.00 | 1 | -0.13 | 40 | -5.20 | |  Methiyra, G P Detumini | | | 1126 | SRI | 1.00 | 1 | 0.66 | 40 | 26.40 | | | Gunasekara, Malaka | | | 1287 | SRI | 0.00 | 1 | -0.16 | 40 | -6.40 | | | De Silva, T H Harshana | | | 1204 | SRI | 0.50 | 1 | 0.25 | 40 | 10.00 | | | Rathnayake, Sandun Kavisha | | | 1124 | SRI | 0.00 | 1 | -0.34 | 40 | -13.60 | |
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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