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Individual Calculations February 2020 |
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| Morais, Sanithu Leander Pamudith Total change: 128.80 | |   |
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| Sri Lanka National Amateur Chess Championship 2019 | Colombo | SRI | 2019-12-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1479 | 1421 | 4.50 | 7 | 1.53 | 40 | 61.20 | |
|  Sivathanujan, S | | | 1784 | SRI | 1.00 | 1 | 0.90 | 40 | 36.00 | |  Chandula, E D S | | | 1515 | SRI | 0.00 | 1 | -0.37 | 40 | -14.80 | | | Samarakoon, Vivash Ransara | | | 1030 | SRI | 0.50 | 1 | -0.41 | 40 | -16.40 | | | Ahangama, Senuka Aswin | | | 1473 | SRI | 1.00 | 1 | 0.57 | 40 | 22.80 | | | Iddagoda, Nikitha | | | 1632 | SRI | 0.00 | 1 | -0.23 | 40 | -9.20 | | | Wijeratne, Rehan Nawantha | | | 1213 | SRI | 1.00 | 1 | 0.23 | 40 | 9.20 | | | Aluvihare, Shakila | | | 1704 | SRI | 1.00 | 1 | 0.84 | 40 | 33.60 | |
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) | | | | Sri Lanka National Youth Chess Championship 2019 - Under 15 years | Colombo | SRI | 2019-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1378 | 1421 | 5.50 | 7 | 1.69 | 40 | 67.60 | |
| | Kumarasooriya, N R C T | | | 1025 | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Bandaranayake, H B M N | | | 1121 | SRI | 1.00 | 1 | 0.15 | 40 | 6.00 | | | Dahanayake, Isara Banidu | c | | 1750 | SRI | 1.00 | 1 | 0.88 | 40 | 35.20 | | | Fernando, J S Aloka | | | 1709 | SRI | 0.00 | 1 | -0.16 | 40 | -6.40 | | | Chamika, R A Binul | | | 1154 | SRI | 1.00 | 1 | 0.18 | 40 | 7.20 | | | Piyarthne, Movindu Lushan | | | 1319 | SRI | 0.50 | 1 | -0.14 | 40 | -5.60 | | | Vithanage, I A | | | 1569 | SRI | 1.00 | 1 | 0.70 | 40 | 28.00 | |
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) | | |
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