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Individual Calculations February 2019 |
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| Nimsanda, K H Savitha Total change: 52.00 | |   |
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| Sri Lanka National Youth Championship 2018 - Under 11 | Colombo | SRI | 2018-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1333 | 1160 | 1.50 | 3 | 0.66 | 40 | 26.40 | |
|  Sathmina, S L Lalindu | | | 1443 | SRI | 0.00 | 1 | -0.16 | 40 | -6.40 | | | Wickramaarachchi, Nayanaka Insara | | | 1340 | SRI | 1.00 | 1 | 0.74 | 40 | 29.60 | |  Dharmasena, W M S S B | | | 1215 | SRI | 0.50 | 1 | 0.08 | 40 | 3.20 | |
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) | | | | 7th Kaluthara Chess Festival 2019 | Kaluthara | SRI | 2019-01-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1402 | 1160 | 2.00 | 6 | 0.64 | 40 | 25.60 | |
| | Samaraweera, Dimuth Indeepa | | | 1447 | SRI | 0.50 | 1 | 0.34 | 40 | 13.60 | | | Pathmasiri, R D Isuru Saranga | | | 1441 | SRI | 0.00 | 1 | -0.16 | 40 | -6.40 | | | Perera, A Dinuka Kanchana | | | 1023 | SRI | 1.00 | 1 | 0.32 | 40 | 12.80 | | | Kodithuwakku, Arachchige Padmasi | | | 1484 | SRI | 0.50 | 1 | 0.37 | 40 | 14.80 | | | Cooray, T C M Dulein Kavindu | | | 1512 | SRI | 0.00 | 1 | -0.11 | 40 | -4.40 | | | Siriwardane, A L | | | 1504 | SRI | 0.00 | 1 | -0.12 | 40 | -4.80 | |
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) | | |
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