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Individual Calculations November 2022 |
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| Hendavitharana, D S Total change: 66.80 | |   |
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| Sri Lanka National Amateur Chess Championship 2022 | Colomo | SRI | 2022-10-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1391 | 1147 | 2.50 | 5 | 1.45 | 40 | 58.00 | |
|  Deshappriya, D Kalindu | | | 1573 | SRI | 1.00 | 1 | 0.93 | 40 | 37.20 | |  Dissanayaka, M A P Mihiranga | | | 1404 | SRI | 0.00 | 1 | -0.18 | 40 | -7.20 | | | Insara, S D Nadev | | | 1308 | SRI | 0.50 | 1 | 0.21 | 40 | 8.40 | | | Jayasundara, J M Daham V | | | 1350 | SRI | 0.50 | 1 | 0.26 | 40 | 10.40 | | | Sathsara, E P Daham | | | 1322 | SRI | 0.50 | 1 | 0.23 | 40 | 9.20 | |
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) | | | | Negombo International Chess Festival 2022 | Negombo | SRI | 2022-10-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1399 | 1147 | 1.00 | 4 | 0.22 | 40 | 8.80 | |
| | De Silva, J I Ajantha | | | 1397 | SRI | 1.00 | 1 | 0.81 | 40 | 32.40 | | | Newansa, M Esandi | | | 1474 | SRI | 0.00 | 1 | -0.13 | 40 | -5.20 | | | Sumanathilake, Yonal | | | 1392 | SRI | 0.00 | 1 | -0.20 | 40 | -8.00 | | | Pesanjith, M T H Sansutha | | | 1333 | SRI | 0.00 | 1 | -0.26 | 40 | -10.40 | |
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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