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Individual Calculations February 2020 |
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| Perera, N Dumitha Sandumith Total change: -32.80 | |   |
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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 |
| 1068 | 1043 | 1.50 | 5 | -0.82 | 40 | -32.80 | |
|  Gunawardhane, Dunitha Yathindra | | | 1051 | SRI | 0.00 | 1 | -0.49 | 40 | -19.60 | |  Vidharshana, T H Oshid Warshaka | | | 1051 | SRI | 0.50 | 1 | 0.01 | 40 | 0.40 | | | Sumanathilake, Yonal | | | 1092 | SRI | 0.50 | 1 | 0.07 | 40 | 2.80 | | | Jayaweera, D A Thevindu Nimnal | | | 1084 | SRI | 0.50 | 1 | 0.06 | 40 | 2.40 | | | Dinujaya, P D Kavishka | | | 1061 | SRI | 0.00 | 1 | -0.47 | 40 | -18.80 | |
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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