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Individual Calculations May 2017 |
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| Gunawardena, Anuth Methvin Total change: -51.60 | |   |
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| Colombo Chess Festival 2017 | Colombo | SRI | 2017-04-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1280 | 1033 | 0.00 | 3 | -0.63 | 40 | -25.20 | |
|  Jayasooriya, E M S D | | | 1418 | SRI | 0.00 | 1 | -0.09 | 40 | -3.60 | | | Devnaka, Chamin | | | 1275 | SRI | 0.00 | 1 | -0.20 | 40 | -8.00 | |  Bandara, D M Dehansa Thiyumalee | | | 1147 | SRI | 0.00 | 1 | -0.34 | 40 | -13.60 | |
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) | | | | National Youth Chess Championship 2017 - Under 10 Boys | Colombo | SRI | 2017-04-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1118 | 1033 | 0.50 | 3 | -0.66 | 40 | -26.40 | |
| | Kulathilake, S M M P | | | 1139 | SRI | 0.00 | 1 | -0.36 | 40 | -14.40 | | | Sathmina, S L Lalindu | | | 1135 | SRI | 0.00 | 1 | -0.36 | 40 | -14.40 | | | Jayawardane, M S Nimnajith | | | 1079 | SRI | 0.50 | 1 | 0.06 | 40 | 2.40 | |
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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