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Individual Calculations February 2020 |
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| Wickramasinghe, V W A Vinuda Vidm Total change: 52.00 | |   |
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| Sri Lanka National Youth Chess Championship 2019 - Under 9 years | Colombo | SRI | 2019-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1141 | 1081 | 3.00 | 4 | 1.31 | 40 | 52.40 | |
|  Thalgaswatta, N S | | | 1140 | SRI | 1.00 | 1 | 0.58 | 40 | 23.20 | |  Godagampala, G D Minuja Hansana | | | 1163 | SRI | 1.00 | 1 | 0.61 | 40 | 24.40 | | | Hansana, G Haritha | c | | 1233 | SRI | 0.00 | 1 | -0.30 | 40 | -12.00 | | | Yapa, Y P G P | | | 1027 | SRI | 1.00 | 1 | 0.42 | 40 | 16.80 | |
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) | | | | Kaluthara International Chess Festival 2020 | Kaluthara | SRI | 2020-01-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1330 | 1081 | 1.00 | 5 | -0.01 | 40 | -0.40 | |
| | Lakmal, M A C | | | 1469 | SRI | 0.00 | 1 | -0.09 | 40 | -3.60 | | | Maithripala, W D P N | | | 1340 | SRI | 1.00 | 1 | 0.82 | 40 | 32.80 | | | Gamarathne, Oneth | | | 1359 | SRI | 0.00 | 1 | -0.17 | 40 | -6.80 | | | Rathnayaka, Minaga Yethmin | | | 1253 | SRI | 0.00 | 1 | -0.27 | 40 | -10.80 | | | Weerasekara, Dinul Vinsitha | | | 1230 | SRI | 0.00 | 1 | -0.30 | 40 | -12.00 | |
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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