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Individual Calculations February 2023 |
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| Lamahewa, S Total change: -20.80 | |   |
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| Kaluthara International Chess Festival 2023 | Kaluthara | SRI | 2023-01-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1311 | 1723 | 4.50 | 6 | -1.04 | 20 | -20.80 | |
|  Dandeniya, D D L N | | | 1280 | SRI | 0.50 | 1 | -0.44 | 20 | -8.80 | |  Koswattage, Biman | | | 1249 | SRI | 1.00 | 1 | 0.05 | 20 | 1.00 | | | Liyanage, Savinu Suhaswin | | | 1324 | SRI | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Rathnayake, R M M P B | | | 1323 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Abeyrathne, K W A M G Dinod Uthsa | | | 1354 | SRI | 0.50 | 1 | -0.40 | 20 | -8.00 | | | Bimansa, D G Jayandi | | | 1333 | SRI | 1.00 | 1 | 0.09 | 20 | 1.80 | | | * 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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