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Individual Calculations February 2019 |
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| Sanuda, Rehan Total change: 108.80 | |   |
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| Sri Lanka National Youth Championship 2018 - Under 15 | Colombo | SRI | 2018-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1338 | 1180 | 3.00 | 4 | 1.76 | 40 | 70.40 | |
|  Viduranga, Oshadha | | | 1062 | SRI | 1.00 | 1 | 0.34 | 40 | 13.60 | |  Dissanayake , Sithila C | | | 1415 | SRI | 0.50 | 1 | 0.29 | 40 | 11.60 | | | Cooray, T C M Dulein Kavindu | | | 1379 | SRI | 1.00 | 1 | 0.76 | 40 | 30.40 | | | Nethsara, W M Daham | | | 1496 | SRI | 0.50 | 1 | 0.37 | 40 | 14.80 | |
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 |
| 1469 | 1148 | 1.50 | 4 | 0.96 | 40 | 38.40 | |
| | Premachandra, G T D M | | | 1548 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Chankamie, M K T | | | 1447 | SRI | 0.50 | 1 | 0.35 | 40 | 14.00 | | | Samaraweera, Dimuth Indeepa | | | 1447 | SRI | 0.50 | 1 | 0.35 | 40 | 14.00 | | | Gunarathna, D A Viraj Darshana | | | 1435 | SRI | 0.50 | 1 | 0.34 | 40 | 13.60 | | | * 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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