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Individual Calculations February 2023 |
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| Somarathne, Subhaga Kushali Total change: 4.00 | |   |
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| Asia Schools CC 2022- U 17 G | Kaluthara | SRI | 2022-12-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1224 | 1133 | 3.00 | 7 | -0.11 | 40 | -4.40 | |
|  Pavalachandran, Ashvini | | | 1722 | SRI | 0.00 | 1 | -0.02 | 40 | -0.80 | |  Subasinghe, M R S | | | 1003 | SRI | 0.50 | 1 | -0.18 | 40 | -7.20 | | | Rajapaksa, Minagi | | | 1164 | SRI | 0.00 | 1 | -0.46 | 40 | -18.40 | | | Thariniga, N | | | 1036 | SRI | 0.00 | 1 | -0.63 | 40 | -25.20 | | | Bakmeewewa, L C | | | 1060 | SRI | 1.00 | 1 | 0.40 | 40 | 16.00 | | | Bandara, Lakshika Sathsarani | | | 1014 | SRI | 1.00 | 1 | 0.34 | 40 | 13.60 | | | Bazarbaeva, Saadat | | | 1567 | KGZ | 0.50 | 1 | 0.44 | 40 | 17.60 | |
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) | | | | Ethugalpura Open International Rating Chess Championships 2022 | Kurunegala | SRI | 2022-12-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1512 | 1133 | 1.00 | 4 | 0.45 | 40 | 18.00 | |
| | Sivathanujan, S | | | 1849 | SRI | 0.00 | 1 | -0.01 | 40 | -0.40 | | | Abeyrathne, K W A M G Dinod Uthsa | | | 1354 | SRI | 1.00 | 1 | 0.78 | 40 | 31.20 | | | Amarathunga, Kosala Sandeepa Cham | | | 1423 | SRI | 0.00 | 1 | -0.16 | 40 | -6.40 | | | Rathnayaka, Minaga Yethmin | | | 1420 | SRI | 0.00 | 1 | -0.16 | 40 | -6.40 | |
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) | | | | Kandy Open International Rating Chess Championships 2022 | Kandy | SRI | 2022-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1266 | 1133 | 0.50 | 2 | -0.24 | 40 | -9.60 | |
| | Manuranga, D Lahiru | | | 1503 | SRI | 0.00 | 1 | -0.10 | 40 | -4.00 | | | Hansara, W P Sandith | | | 1028 | SRI | 0.50 | 1 | -0.14 | 40 | -5.60 | |
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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