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Individual Calculations November 2022 |
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| Karunarathne, D D W Gamini Total change: -4.40 | |   |
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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 |
| 1413 | 1204 | 1.00 | 4 | -0.22 | 20 | -4.40 | |
|  De Silva, Osheen | | | 1800 | SRI | 0.00 | 1 | -0.02 | 20 | -0.40 | | | Nimsara, G C U | | | 1025 | SRI | 1.00 | 1 | 0.27 | 20 | 5.40 | |  Basnayake, B M Thesandu Aken | | | 1392 | SRI | 0.00 | 1 | -0.26 | 20 | -5.20 | | | Amarathunga, Kosala Sandeepa Cham | | | 1434 | SRI | 0.00 | 1 | -0.21 | 20 | -4.20 | |
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) | | |
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