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Individual Calculations February 2020 |
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| Wickramarathne, D Jehan Randil Total change: 9.60 | |   |
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| Sri Lanka National Youth Chess Championship 2019 - Under 11 years | Colombo | SRI | 2019-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1202 | 1141 | 2.00 | 4 | 0.24 | 40 | 9.60 | |
|  Samarakoon, Vivash Ransara | | | 1030 | SRI | 1.00 | 1 | 0.35 | 40 | 14.00 | |  Ranasinghe, R A S C | | | 1058 | SRI | 0.50 | 1 | -0.11 | 40 | -4.40 | | | Nimsanda, K H Savitha | | | 1203 | SRI | 0.00 | 1 | -0.41 | 40 | -16.40 | | | Alwis, B H A Rasidu | | | 1516 | SRI | 0.50 | 1 | 0.41 | 40 | 16.40 | |
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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