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Individual Calculations February 2019 |
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| Subaweera, Senuka Sendinu Total change: -55.20 | |   |
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| Sri Lanka National Youth Chess Championship 2018 Under - 13 years | Colombo | SRI | 2018-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1042 | 1203 | 2.50 | 5 | -1.07 | 40 | -42.80 | |
|  Hettiarachchi, V A | | | 1014 | SRI | 0.50 | 1 | -0.25 | 40 | -10.00 | |  Edirisinghe, D D | | | 1063 | SRI | 0.50 | 1 | -0.19 | 40 | -7.60 | | | Gunawardana, Indrakeela K D Udde | | | 1049 | SRI | 0.00 | 1 | -0.71 | 40 | -28.40 | | | Nidhushek, P | | | 1003 | SRI | 1.00 | 1 | 0.24 | 40 | 9.60 | | | Yethmin, W J Methum | | | 1083 | SRI | 0.50 | 1 | -0.16 | 40 | -6.40 | |
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) | | | | 7th Kaluthara Chess Festival 2019 | Kaluthara | SRI | 2019-01-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1256 | 1111 | 0.00 | 1 | -0.31 | 40 | -12.40 | |
| | Indrajith, J A K N T | | | 1256 | SRI | 0.00 | 1 | -0.31 | 40 | -12.40 | |
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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