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Individual Calculations February 2018 |
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| Padukka, P V Gayuru Hansana Total change: -116.80 | |   |
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| Sri Lanka National Youth Chess Championship 2017 and 2018 Under - 13 years | Colombo | SRI | 2017-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1096 | 1290 | 1.50 | 4 | -1.50 | 40 | -60.00 | |
|  Sheshan, H H N | | | 1076 | SRI | 1.00 | 1 | 0.23 | 40 | 9.20 | |  Wijayawardana, Dineth Chanal | | | 1139 | SRI | 0.00 | 1 | -0.70 | 40 | -28.00 | | | Thalduwaarachchi, T A N B | | | 1072 | SRI | 0.00 | 1 | -0.78 | 40 | -31.20 | | | Galukagama, G L Dishen Sandaru | | | 1095 | SRI | 0.50 | 1 | -0.25 | 40 | -10.00 | |
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) | | | | 22nd Battle of the Kings Inter School Team Chess Championship 2018 | Colombo | SRI | 2018-01-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1309 | 1290 | 0.00 | 3 | -1.42 | 40 | -56.80 | |
| | De Silva, S S Gayashan | | | 1414 | SRI | 0.00 | 1 | -0.33 | 40 | -13.20 | | | Ranasinghe, R Y G | | | 1349 | SRI | 0.00 | 1 | -0.42 | 40 | -16.80 | | | De Silva, T Hansi Kavisha | | | 1163 | SRI | 0.00 | 1 | -0.67 | 40 | -26.80 | |
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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