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Individual Calculations May 2017 |
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| Devnaka, Chamin Total change: 27.60 | |   |
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| Colombo Chess Festival 2017 | Colombo | SRI | 2017-04-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1298 | 1275 | 4.00 | 7 | 0.55 | 40 | 22.00 | |
|  Gunasekara , W A N Senpathi | | | 1659 | SRI | 0.00 | 1 | -0.09 | 40 | -3.60 | |  Gunawardena, Anuth Methvin | | | 1033 | SRI | 1.00 | 1 | 0.20 | 40 | 8.00 | | | Deshappriya, D Kalindu | | | 1613 | SRI | 0.00 | 1 | -0.12 | 40 | -4.80 | | | Attanayaka, Tharushi | | | 1041 | SRI | 1.00 | 1 | 0.21 | 40 | 8.40 | | | Basnayake, B M Thesandu Aken | | | 1103 | SRI | 1.00 | 1 | 0.27 | 40 | 10.80 | | | Athukorala, Shavindi Uddeepana | | | 1574 | SRI | 0.00 | 1 | -0.15 | 40 | -6.00 | | | Amarasinghe, K K H Kevinda | | | 1060 | SRI | 1.00 | 1 | 0.23 | 40 | 9.20 | |
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 14 Boys | Colombo | SRI | 2017-04-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1189 | 1275 | 4.50 | 7 | 0.14 | 40 | 5.60 | |
| | Suraweera, M C H Jananath | | | 1054 | SRI | 1.00 | 1 | 0.22 | 40 | 8.80 | | | Jananga, T Y Bimsara | | | 1149 | SRI | 1.00 | 1 | 0.33 | 40 | 13.20 | | | Pallie, Tuan Ehshan | | | 1627 | SRI | 0.00 | 1 | -0.11 | 40 | -4.40 | | | Weththawa, B G E D | | | 1156 | SRI | 0.00 | 1 | -0.66 | 40 | -26.40 | | | Kathtota, K R S K | | | 1077 | SRI | 0.50 | 1 | -0.26 | 40 | -10.40 | | | Pathiraja, P M D I | | | 1087 | SRI | 1.00 | 1 | 0.26 | 40 | 10.40 | | | Sanuda, Rehan | | | 1170 | SRI | 1.00 | 1 | 0.36 | 40 | 14.40 | |
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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