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Individual Calculations June 2023 |
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| Basnayake, K B B M Dinuga Sanketh Total change: 10.80 | |   |
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| Sri Lanka National Youth Chess Championship 2023 - Under 12Yrs Open | Colombo | SRI | 2023-04-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1124 | 1213 | 4.00 | 6 | 0.30 | 40 | 12.00 | |
|  Manudisa, W D Nethuka | | | 1017 | SRI | 0.50 | 1 | -0.25 | 40 | -10.00 | |  Meegahakumbura, Deelaka Udantha | | | 1037 | SRI | 1.00 | 1 | 0.27 | 40 | 10.80 | | | Nandasiri, Omiru | | | 1130 | SRI | 0.50 | 1 | -0.11 | 40 | -4.40 | | | Wanniarachchi, Senuka Buvindu | | | 1084 | SRI | 1.00 | 1 | 0.33 | 40 | 13.20 | | | Galkotuwa, K A R G W D R B G | | | 1382 | SRI | 0.00 | 1 | -0.28 | 40 | -11.20 | | | Pasqual, Jenura Hirunjith | | | 1093 | SRI | 1.00 | 1 | 0.34 | 40 | 13.60 | |
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) | | | | Colombo International Chess Festival 2023 | Colombo | SRI | 2023-05-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1328 | 1193 | 1.00 | 3 | -0.03 | 40 | -1.20 | |
| | Ovitigala, Chenitha Mithvidu | | | 1456 | SRI | 0.00 | 1 | -0.18 | 40 | -7.20 | | | Ramanayake, Nemindi Linaya | | | 1465 | SRI | 0.00 | 1 | -0.17 | 40 | -6.80 | | | Gomes, J Vaneesha Oshini | | | 1063 | SRI | 1.00 | 1 | 0.32 | 40 | 12.80 | |
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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