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Individual Calculations February 2020 |
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| Thennakoon, Disara Total change: 16.40 | |   |
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| Sri Lanka National Youth Chess Championship 2019 - Under 11 years | Colombo | SRI | 2019-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1254 | 1131 | 2.00 | 4 | 0.64 | 40 | 25.60 | |
|  Wijeratne, Rehan Nawantha | | | 1213 | SRI | 0.00 | 1 | -0.39 | 40 | -15.60 | | | Basnayake, B M Thesandu Aken | | | 1356 | SRI | 1.00 | 1 | 0.78 | 40 | 31.20 | | | Nimsanda, K H Savitha | | | 1203 | SRI | 1.00 | 1 | 0.60 | 40 | 24.00 | |  Gunathilake, M D Vinuda Shenal | | | 1244 | SRI | 0.00 | 1 | -0.35 | 40 | -14.00 | |
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 |
| 1404 | 1135 | 0.50 | 4 | -0.23 | 40 | -9.20 | |
| | Dabarera, G W D M | | | 1535 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Famihath, F M | | | 1389 | SRI | 0.00 | 1 | -0.19 | 40 | -7.60 | | | Gamarathne, Oneth | | | 1359 | SRI | 0.50 | 1 | 0.28 | 40 | 11.20 | | | Indrajith, J A K N T | | | 1333 | SRI | 0.00 | 1 | -0.24 | 40 | -9.60 | | | * 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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