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Individual Calculations February 2018 |
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| Ariyarathne, Binura L. Total change: -42.40 | |   |
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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 |
| 1192 | 1331 | 3.00 | 6 | -1.06 | 40 | -42.40 | |
|  Wijesinghe, W A A P | | | 1098 | SRI | 0.50 | 1 | -0.29 | 40 | -11.60 | |  Weerakoon, Naveen Chathuranga | | | 1144 | SRI | 1.00 | 1 | 0.26 | 40 | 10.40 | | | Pelagewatta, H Prabashwara | | | 1145 | SRI | 1.00 | 1 | 0.26 | 40 | 10.40 | | | Dissanayake, Manusha Dinuk | | | 1548 | SRI | 0.00 | 1 | -0.22 | 40 | -8.80 | | | Rathnayake, Sandun Kavisha | | | 1124 | SRI | 0.00 | 1 | -0.77 | 40 | -30.80 | | | Rajapaksha, Isum Asitha | | | 1095 | SRI | 0.50 | 1 | -0.30 | 40 | -12.00 | |
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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