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Individual Calculations May 2017 |
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| Gamage, Randula Navodya Total change: -49.60 | |   |
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| Colombo Chess Festival 2017 | Colombo | SRI | 2017-04-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1252 | 1441 | 4.00 | 6 | -0.29 | 40 | -11.60 | |
|  Botheju, Dilshan Shimalka | | | 1041 * | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | |  Galappaththi, Chinthaka Anuruddh | f | | 1841 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Nisadara, K G Chenuri | | | 1084 | SRI | 1.00 | 1 | 0.11 | 40 | 4.40 | | | Amarasinghe, K K H Kevinda | | | 1060 | SRI | 0.50 | 1 | -0.41 | 40 | -16.40 | | | Kaveesha, W V Rashini | | | 1154 | SRI | 1.00 | 1 | 0.16 | 40 | 6.40 | | | Mathes Arachchi , Bhanila M | | | 1330 | SRI | 0.50 | 1 | -0.15 | 40 | -6.00 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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 |
| 1167 | 1441 | 4.00 | 6 | -0.95 | 40 | -38.00 | |
| | Gunasekara, Chaniru Hansana Abey | | | 1119 | SRI | 1.00 | 1 | 0.13 | 40 | 5.20 | | | Cooray, T C M Dulein Kavindu | | | 1199 | SRI | 0.00 | 1 | -0.80 | 40 | -32.00 | | | Sasandara, K L D Y | | | 1056 | SRI | 1.00 | 1 | 0.09 | 40 | 3.60 | | | Rangajeewa, M G Sachithra Sandar | | | 1189 | SRI | 1.00 | 1 | 0.19 | 40 | 7.60 | | | Pranouve, S S | | | 1225 | SRI | 0.50 | 1 | -0.28 | 40 | -11.20 | | | Ushan, Lochana | | | 1216 | SRI | 0.50 | 1 | -0.28 | 40 | -11.20 | |
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) | | |
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