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Individual Calculations February 2020 |
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| Hetti Arachchige, Thisumi S Total change: 14.00 | |   |
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| Sri Lanka National Youth Chess Championship 2019 - Under 15 years Girls | Colombo | SRI | 2019-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1233 | 1274 | 3.00 | 5 | 0.22 | 40 | 8.80 | |
|  Wickramasinghe, Thesandi | | | 1490 | SRI | 0.00 | 1 | -0.22 | 40 | -8.80 | |  Lishaya, K D Sandalindu Thimeth | | | 1090 | SRI | 1.00 | 1 | 0.26 | 40 | 10.40 | | | Weerakoon, Devuja S | | | 1221 | SRI | 0.00 | 1 | -0.57 | 40 | -22.80 | | | Weerasekara, A W H S | | | 1146 | SRI | 1.00 | 1 | 0.33 | 40 | 13.20 | | | Sandanayake, Nimansa Sasanduni | | | 1217 | 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 |
| 1240 | 1208 | 2.00 | 4 | 0.13 | 40 | 5.20 | |
| | Wickramarathne, T D | c | | 1414 | SRI | 0.00 | 1 | -0.24 | 40 | -9.60 | | | Yatawara, Pamodya Indeewari | | | 1023 | SRI | 1.00 | 1 | 0.26 | 40 | 10.40 | | | Dissanayaka, D A K N R | | | 1039 | SRI | 1.00 | 1 | 0.28 | 40 | 11.20 | | | Ahangama, Senuka Aswin | | | 1484 | SRI | 0.00 | 1 | -0.17 | 40 | -6.80 | |
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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