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Individual Calculations November 2022 |
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| De Silva, Osheen Total change: -36.60 | |   |
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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 |
| 1451 | 1800 | 7.00 | 9 | -0.68 | 20 | -13.60 | |
|  Maleeshaka , Rukshan | | | 1400 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Karunarathne, D D W Gamini | | | 1204 | SRI | 1.00 | 1 | 0.02 | 20 | 0.40 | | | Rohana, V T Malitha | | | 1347 | SRI | 1.00 | 1 | 0.06 | 20 | 1.20 | | | Amarathunga, Kosala Sandeepa Cham | | | 1434 | SRI | 1.00 | 1 | 0.10 | 20 | 2.00 | | | Chandula, E D S | | | 1654 | SRI | 0.00 | 1 | -0.70 | 20 | -14.00 | | | Laksiri, A A Kavishka Gimshan | | | 1475 | SRI | 0.50 | 1 | -0.37 | 20 | -7.40 | | | Sanuda, Rehan | | | 1345 | SRI | 1.00 | 1 | 0.06 | 20 | 1.20 | | | Dissanayaka, M A P Mihiranga | | | 1404 | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Wijekoon, Chandana | c | | 1796 | SRI | 0.50 | 1 | -0.01 | 20 | -0.20 | | | * 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) | | | | Negombo International Chess Festival 2022 | Negombo | SRI | 2022-10-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1382 | 1800 | 6.00 | 8 | -1.15 | 20 | -23.00 | |
| | Tharanga, T A | | | 1400 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Asuramanna, Mevindu Hansana | | | 1290 | SRI | 1.00 | 1 | 0.04 | 20 | 0.80 | | | Pesanjith, M T H Sansutha | | | 1333 | SRI | 0.00 | 1 | -0.95 | 20 | -19.00 | | | Gallage, Pamiru M G K | | | 1179 | NZL | 1.00 | 1 | 0.01 | 20 | 0.20 | | | Ranganath, Tharuli Vihasna | | | 1341 | SRI | 1.00 | 1 | 0.05 | 20 | 1.00 | | | Kodithuwakku, K K Dinujaya | | | 1297 | SRI | 1.00 | 1 | 0.04 | 20 | 0.80 | | | Ramanayake, Nemindi Linaya | | | 1418 | SRI | 1.00 | 1 | 0.09 | 20 | 1.80 | | | Wijekoon, Chandana | c | | 1796 | SRI | 0.00 | 1 | -0.51 | 20 | -10.20 | | | * 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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