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Individual Calculations March 2024 |
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| Karunarathne, D D W Gamini Total change: -21.80 | |   |
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| Kaluthara Chess Festival 2024 | Kaluthara | SRI | 2024-01-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1195 | 1212 | 0.50 | 3 | -1.10 | 20 | -22.00 | |
|  Sahasra, A P Sasindu | | | 1486 | SRI | 0.00 | 1 | -0.17 | 20 | -3.40 | | | Mendis Gunarathna, Pruthivi Prath | | | 1057 | SRI | 0.50 | 1 | -0.21 | 20 | -4.20 | | | Imandi, K D Gihara | | | 1043 | SRI | 0.00 | 1 | -0.72 | 20 | -14.40 | |
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) | | | | Sri Lanka National Major Division Chess Championships 2024 - Western Province | Colombo | SRI | 2024-02-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1370 | 1212 | 1.00 | 3 | 0.01 | 20 | 0.20 | |
| | Ovitigala, Chenitha Mithvidu | | | 1612 * | SRI | 0.00 | 1 | -0.08 | 20 | -1.60 | |  Rathnayaka, Minaga Yethmin | | | 1430 | SRI | 0.00 | 1 | -0.22 | 20 | -4.40 | | | Ovitigala, Dehain Nethvidu | | | 1069 | SRI | 1.00 | 1 | 0.31 | 20 | 6.20 | | | * 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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