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Individual Calculations February 2023 |
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| Isanka, Aminda Total change: 26.40 | |   |
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| Kaluthara International Chess Festival 2023 | Kaluthara | SRI | 2023-01-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1372 | 1017 | 1.00 | 3 | 0.66 | 40 | 26.40 | |
|  Kulathilake, S M M P | | | 1461 | SRI | 0.00 | 1 | -0.06 | 40 | -2.40 | | | De Silva, J I Ajantha | | | 1342 | SRI | 0.50 | 1 | 0.37 | 40 | 14.80 | |  Thilakaratne, Hm Sithuka Ranmira | | | 1314 | SRI | 0.50 | 1 | 0.35 | 40 | 14.00 | |
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) | | |
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