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Individual Calculations November 2022 |
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| Dissanayake, D M Madushan Sameera Total change: -54.40 | |   |
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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 |
| 1332 | 1332 | 0.50 | 3 | -1.12 | 20 | -22.40 | |
|  Gunathilake, M D Vinuda Shenal | | | 1760 | SRI | 0.00 | 1 | -0.07 | 20 | -1.40 | |  Sandaruwan, K E Dineth | | | 1139 | SRI | 0.00 | 1 | -0.75 | 20 | -15.00 | | | Abeysekera, Bises Oneja | | | 1096 | SRI | 0.50 | 1 | -0.30 | 20 | -6.00 | |
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) | | | | Negombo International Chess Festival 2022 | Negombo | SRI | 2022-10-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1187 | 1332 | 2.50 | 6 | -1.60 | 20 | -32.00 | |
| | Madusanka, L D P | | | 1678 | SRI | 0.00 | 1 | -0.11 | 20 | -2.20 | | | Rajapakshe, R A K K | | | 1126 | SRI | 0.00 | 1 | -0.76 | 20 | -15.20 | | | Bandara, Lakshika Sathsarani | | | 1030 | SRI | 1.00 | 1 | 0.15 | 20 | 3.00 | | | Suvethican, V | | | 1100 | SRI | 1.00 | 1 | 0.21 | 20 | 4.20 | | | Somarathne, Subhaga Kushali | | | 1107 | SRI | 0.50 | 1 | -0.28 | 20 | -5.60 | | | Bentharaarachchi, B D Daksha Hans | | | 1078 | SRI | 0.00 | 1 | -0.81 | 20 | -16.20 | |
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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