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Individual Calculations February 2020 |
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| Weerawardana, Ushan Thashitha K Total change: -54.80 | |   |
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| Sri Lanka National Youth Chess Championship 2019 - Under 15 years | Colombo | SRI | 2019-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1302 | 1227 | 1.50 | 5 | -0.58 | 40 | -23.20 | |
|  Vithanage, I A | | | 1569 | SRI | 0.00 | 1 | -0.12 | 40 | -4.80 | |  Salgado, M V Induwara | | | 1006 | SRI | 1.00 | 1 | 0.22 | 40 | 8.80 | | | Abeysinghe, S M A M | | | 1400 | SRI | 0.50 | 1 | 0.23 | 40 | 9.20 | | | Gamage, Liviru Hansana | | | 1475 | SRI | 0.00 | 1 | -0.19 | 40 | -7.60 | | | Gawaramanna, M B M Nethul Sasmith | | | 1060 | SRI | 0.00 | 1 | -0.72 | 40 | -28.80 | |
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) | | | | Kaluthara International Chess Festival 2020 | Kaluthara | SRI | 2020-01-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1363 | 1227 | 1.00 | 5 | -0.79 | 40 | -31.60 | |
| | Tennakoon, Lisara Samadhith | | | 1584 | SRI | 0.00 | 1 | -0.11 | 40 | -4.40 | | | Sooriyaarachchi, Isuru Madusha | | | 1507 | SRI | 0.00 | 1 | -0.16 | 40 | -6.40 | | | Perera, D Upashan L | | | 1569 | SRI | 0.50 | 1 | 0.38 | 40 | 15.20 | | | Bandara, Lakshika Sathsarani | | | 1073 | SRI | 0.50 | 1 | -0.21 | 40 | -8.40 | | | Vikasitha, Y M T Dinoj | | | 1083 | SRI | 0.00 | 1 | -0.69 | 40 | -27.60 | |
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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