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Individual Calculations February 2019 |
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| Sathsara, E P Daham Total change: -24.80 | |   |
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| Sri Lanka National Youth Championship 2018 - Under 9 | Colombo | SRI | 2018-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1116 | 1168 | 2.00 | 4 | -0.29 | 40 | -11.60 | |
|  Godagampala, G D Minuja Hansana | | | 1060 | SRI | 1.00 | 1 | 0.35 | 40 | 14.00 | |  Weerasekara, Dishal Nimsara | | | 1095 | SRI | 0.00 | 1 | -0.60 | 40 | -24.00 | | | Dissanayake, Emal Imandiv S | | | 1080 | SRI | 1.00 | 1 | 0.38 | 40 | 15.20 | | | Hansana, G Haritha | c | | 1227 | SRI | 0.00 | 1 | -0.42 | 40 | -16.80 | |
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) | | | | 7th Kaluthara Chess Festival 2019 | Kaluthara | SRI | 2019-01-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1518 | 1168 | 0.00 | 3 | -0.33 | 40 | -13.20 | |
| | Priyanath, W D Tharaka | | | 1484 | SRI | 0.00 | 1 | -0.13 | 40 | -5.20 | | | Wettasinha, Vasanta | | | 1568 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Thenuwara, Rashmika | | | 1502 | SRI | 0.00 | 1 | -0.12 | 40 | -4.80 | | | * 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) | | |
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