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Individual Calculations August 2023 |
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| Sahasra, A P Sasindu Total change: -9.00 | |   |
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| Sri Lanka Open Chess Championship 2023 | Colombo | SRI | 2023-06-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1312 | 1495 | 6.00 | 8 | 0.31 | 20 | 6.20 | |
|  Suraweera, Dulin Hansilu | | | 1095 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Illankoon, I M W P | | | 1255 | SRI | 0.00 | 1 | -0.80 | 20 | -16.00 | | | Fernando, Mayon Dinuth Mindula | | | 1145 | SRI | 0.50 | 1 | -0.39 | 20 | -7.80 | | | Mihiran, K D Pawara Himsara | | | 1110 | SRI | 1.00 | 1 | 0.09 | 20 | 1.80 | | | Karunarathne, D D W Gamini | | | 1237 | SRI | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Anparasan, T | | | 1384 | SRI | 1.00 | 1 | 0.35 | 20 | 7.00 | | | Amarasinghe, A A C B | c | | 1841 | SRI | 1.00 | 1 | 0.89 | 20 | 17.80 | | | Manuwaruna, Sethun Neththaru | | | 1427 | SRI | 0.50 | 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) | | | | Sri Lanka National Team Chess Championship 2023 | Colombo | SRI | 2023-07-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1334 | 1495 | 2.00 | 4 | -0.76 | 20 | -15.20 | |
| | Subasinghe, K R V R | | | 1966 | SRI | 0.00 | 1 | -0.05 | 20 | -1.00 | | | De Silva, Thisum Laknuja | | | 1150 | SRI | 1.00 | 1 | 0.11 | 20 | 2.20 | | | Senarathna, Chamithu Dewwin | | | 1123 | SRI | 0.00 | 1 | -0.90 | 20 | -18.00 | | | Katheesan, U | | | 1095 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | * 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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