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Individual Calculations February 2018 |
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| Rathnayake, Sandun Kavisha Total change: 54.40 | |   |
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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 |
| 1377 | 1124 | 2.50 | 5 | 1.36 | 40 | 54.40 | |
|  Theekshana, H G Denuwan | | | 1524 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Kodithuwakku, Himsara | | | 1524 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Wijesooriya, Chamitha Dinath | | | 1007 | SRI | 1.00 | 1 | 0.34 | 40 | 13.60 | | | Ariyarathne, Binura L. | | | 1331 | SRI | 1.00 | 1 | 0.77 | 40 | 30.80 | | | Samarakoon, Hevidu | | | 1499 | SRI | 0.50 | 1 | 0.41 | 40 | 16.40 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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