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Individual Calculations May 2017 |
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| Bandara, D M Dehansa Thiyumalee Total change: -45.60 | |   |
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| Colombo Chess Festival 2017 | Colombo | SRI | 2017-04-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1382 | 1147 | 1.00 | 4 | -0.01 | 40 | -0.40 | |
|  Dahanayake, Kalindu | | | 1547 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Dipsara, K M Dumal Kavish | | | 1402 | SRI | 0.00 | 1 | -0.19 | 40 | -7.60 | |  Gunawardena, Anuth Methvin | | | 1033 | SRI | 1.00 | 1 | 0.34 | 40 | 13.60 | | | Hippola, H M S S | | | 1547 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | * 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 Girls | Colombo | SRI | 2017-04-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1114 | 1147 | 0.50 | 3 | -1.13 | 40 | -45.20 | |
| | Sarathchandra, Gihansa M | | | 1328 | SRI | 0.00 | 1 | -0.26 | 40 | -10.40 | | | Pallegama, Isuru | | | 1003 | SRI | 0.50 | 1 | -0.19 | 40 | -7.60 | | | Ranasinghe, S Dilara | | | 1010 | SRI | 0.00 | 1 | -0.68 | 40 | -27.20 | |
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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