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Individual Calculations July 2022 |
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| Gunawardhana, Devindya Oshini Total change: 66.80 | |   |
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| Sri Lanka National Youth Chess Championship 2022 - Under 16 Open | Colombo | SRI | 2022-05-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1220 | 1370 | 2.50 | 5 | -0.88 | 40 | -35.20 | |
|  Nabil Nazar, Mohamed | | | 1681 | SRI | 0.00 | 1 | -0.14 | 40 | -5.60 | |  Sathsara, E P Daham | | | 1170 | SRI | 0.00 | 1 | -0.76 | 40 | -30.40 | | | Perera, H Risara Chenitha | | | 1013 | SRI | 1.00 | 1 | 0.11 | 40 | 4.40 | | | Ilangakoon, Senuja Thathsara | | | 1027 | SRI | 1.00 | 1 | 0.12 | 40 | 4.80 | | | Senevirathne, D C B K | | | 1210 | SRI | 0.50 | 1 | -0.21 | 40 | -8.40 | |
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 Youth Under 16 Years (Girls) Chess Championships 2022 - Finals | Dehiwala | SRI | 2022-05-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1363 | 1370 | 4.50 | 5 | 1.95 | 40 | 78.00 | |
| | Weerathunga, W Gimashi Dewlini | | | 1186 | SRI | 1.00 | 1 | 0.26 | 40 | 10.40 | | | Attanayake, Chanindi Mewna | | | 1522 | SRI | 1.00 | 1 | 0.70 | 40 | 28.00 | | | Pallie, Ehsha Mishela | | wc | 1473 | SRI | 0.50 | 1 | 0.14 | 40 | 5.60 | | | Wilvalaarachchi, Oneli Omaya | | | 1365 | SRI | 1.00 | 1 | 0.49 | 40 | 19.60 | | | Gamage, M Nuwanthi Silva | | | 1271 | SRI | 1.00 | 1 | 0.36 | 40 | 14.40 | |
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 Youth Under 18 Years (Girls) Chess Championships 2022 - Finals | Dehiwala | SRI | 2022-06-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1375 | 1358 | 3.00 | 5 | 0.60 | 40 | 24.00 | |
| | Mapa, M M W H | | | 1561 | SRI | 0.00 | 1 | -0.24 | 40 | -9.60 | | | Sandanayake, Nimansa Sasanduni | | | 1193 | SRI | 1.00 | 1 | 0.28 | 40 | 11.20 | | | Wilvalaarachchi, Oneli Omaya | | | 1365 | SRI | 1.00 | 1 | 0.51 | 40 | 20.40 | | | Attanayake, Chanindi Mewna | | | 1522 | SRI | 0.00 | 1 | -0.28 | 40 | -11.20 | | | Alwis, Jenuki | | | 1232 | SRI | 1.00 | 1 | 0.33 | 40 | 13.20 | |
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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