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Individual Calculations February 2020 |
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| Gunawardana, Indrakeela K D Udde Total change: 31.60 | |   |
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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 |
| 1411 | 1225 | 2.50 | 5 | 1.10 | 40 | 44.00 | |
|  Withanarachchi, W A P I | | | 1551 | SRI | 0.50 | 1 | 0.37 | 40 | 14.80 | |  Nethmina, S A Indura | | | 1532 | SRI | 0.00 | 1 | -0.14 | 40 | -5.60 | | | Inpanilavan, M | | | 1056 | SRI | 1.00 | 1 | 0.28 | 40 | 11.20 | | | Bandara, T M Miul Prabhashwara | | | 1453 | SRI | 1.00 | 1 | 0.79 | 40 | 31.60 | | | Jayawardana, Chenuka Nethvidu | | | 1462 | SRI | 0.00 | 1 | -0.20 | 40 | -8.00 | |
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) | | | | Kaluthara International Chess Festival 2020 | Kaluthara | SRI | 2020-01-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1345 | 1202 | 1.00 | 4 | -0.31 | 40 | -12.40 | |
| | Judedorison, G | | | 1477 | SRI | 0.00 | 1 | -0.17 | 40 | -6.80 | | | Abhimanyu, Iraja | | | 1443 | SRI | 0.00 | 1 | -0.20 | 40 | -8.00 | | | Udumullage, Senuja Dilmith | | | 1439 | SRI | 0.50 | 1 | 0.30 | 40 | 12.00 | | | Karunarathna, D D C Adithya Kum | | | 1020 | SRI | 0.50 | 1 | -0.24 | 40 | -9.60 | |
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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