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Individual Calculations February 2019 |
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| Kalansooriya, D A Total change: -15.20 | |   |
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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 |
| 1275 | 1030 | 0.00 | 2 | -0.41 | 40 | -16.40 | |
|  Premanath, Prasansa | | | 1332 | SRI | 0.00 | 1 | -0.15 | 40 | -6.00 | |  Herath, Abhimani | | | 1217 | SRI | 0.00 | 1 | -0.26 | 40 | -10.40 | |
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) | | | | 7th Kaluthara Chess Festival 2019 | Kaluthara | SRI | 2019-01-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1374 | 1030 | 0.50 | 4 | 0.03 | 40 | 1.20 | |
| | Samaraweera, Dimuth Indeepa | | | 1430 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Punchihewa, Kokila Prageeth | | | 1322 | SRI | 0.50 | 1 | 0.35 | 40 | 14.00 | | | Ramyasiri, Kaveen Poorna | | | 1315 | SRI | 0.00 | 1 | -0.16 | 40 | -6.40 | | | Deshappriya, D Kalindu | | | 1430 * | 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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