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Individual Calculations February 2018 |
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| Sandanayake, Dehansa Nisanduni Total change: -64.40 | |   |
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| 2nd SSC Open International Rating Chess Tournament 2017 | Matara | SRI | 2017-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1091 | 1002 | 0.00 | 3 | -1.13 | 40 | -45.20 | |
|  Pathirana, Luchitha Disal | | | 1132 | SRI | 0.00 | 1 | -0.32 | 40 | -12.80 | | | Hansana, G Haritha | c | | 1071 | SRI | 0.00 | 1 | -0.40 | 40 | -16.00 | |  Weheragoda, H A Menula | | | 1070 | SRI | 0.00 | 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) | | | | Sri Lanka National Youth Chess Championship 2017 and 2018 Under - 11 years Girls | Colombo | SRI | 2017-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1152 | 1002 | 0.50 | 3 | -0.48 | 40 | -19.20 | |
| | Godakumbura, Nethmi Anuththara | | | 1059 | SRI | 0.50 | 1 | 0.08 | 40 | 3.20 | | | Prathapaarachchi, Imalmi Manujit | | | 1032 | SRI | 0.00 | 1 | -0.46 | 40 | -18.40 | | | Wickramasinghe, Minethma Lasandi | | wc | 1365 | SRI | 0.00 | 1 | -0.10 | 40 | -4.00 | |
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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