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Individual Calculations February 2019 |
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| Kathriarachchi, Dini Nathyaa Total change: 20.40 | |   |
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| Sri Lanka National Youth Chess Championship 2018 Under - 13 years Girls | Colombo | SRI | 2018-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1172 | 1074 | 2.50 | 5 | 0.67 | 40 | 26.80 | |
|  Rathnayake, R M Dinithi Panchali | | wc | 1183 | SRI | 0.00 | 1 | -0.35 | 40 | -14.00 | |  Liyanage, D B M Nethmini | | | 1212 | SRI | 0.50 | 1 | 0.19 | 40 | 7.60 | | | Rajapaksa, Minagi | | | 1134 | SRI | 0.50 | 1 | 0.08 | 40 | 3.20 | | | Thanujana, D M Sinaly | | | 1145 | SRI | 0.50 | 1 | 0.10 | 40 | 4.00 | | | Karthikeyan, Kiruththikah | | | 1184 | SRI | 1.00 | 1 | 0.65 | 40 | 26.00 | |
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 |
| 1507 | 1107 | 0.00 | 2 | -0.16 | 40 | -6.40 | |
| | Weerakoon, D D P | | | 1507 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Samaranayake, K P R N | | | 1507 * | 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) | | |
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