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Individual Calculations February 2023 |
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| Alahakoon, T N Total change: -5.40 | |   |
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| Kaluthara International Chess Festival 2023 | Kaluthara | SRI | 2023-01-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1459 | 1674 | 5.50 | 8 | -0.27 | 20 | -5.40 | |
|  Kannangara, Ranul Insitha | | | 1274 * | SRI | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Hendavitharana, D S | | | 1214 | SRI | 0.50 | 1 | -0.45 | 20 | -9.00 | |  Karunarathne, D D W Gamini | | | 1221 | SRI | 1.00 | 1 | 0.06 | 20 | 1.20 | | | Rathnayake, R M Dulinma Hemalni | | | 1372 | SRI | 1.00 | 1 | 0.15 | 20 | 3.00 | | | Ovitigala, Chenitha Mithvidu | | | 1380 | SRI | 1.00 | 1 | 0.15 | 20 | 3.00 | | | Alahakoon, Isuru | f | | 1925 | SRI | 0.50 | 1 | 0.31 | 20 | 6.20 | | | Kulathilake, S M M P | | | 1461 | SRI | 1.00 | 1 | 0.23 | 20 | 4.60 | | | Wijekoon, Chandana | c | | 1823 | SRI | 0.00 | 1 | -0.30 | 20 | -6.00 | | | * 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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