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Individual Calculations September 2016 |
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| Weerakoon, Devuja S Total change: -25.60 | |   |
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| Commonwealth Chess Championship 2016 - Under 12 Girls | Waskaduwa | SRI | 2016-07-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1292 | 1182 | 2.50 | 7 | -0.09 | 40 | -3.60 | |
|  Sandeepani, M Tharushi | | | 1401 | SRI | 0.00 | 1 | -0.22 | 40 | -8.80 | |  Vidyarathna, W H S | | | 1145 | SRI | 1.00 | 1 | 0.45 | 40 | 18.00 | | | Gunathilake, M D Wonara S | | | 1261 | SRI | 0.00 | 1 | -0.39 | 40 | -15.60 | | | Dahampriya, H K T Dewnethmie | | | 1255 | SRI | 0.00 | 1 | -0.40 | 40 | -16.00 | | | Withanarachchi, W A P V | | | 1204 | SRI | 1.00 | 1 | 0.53 | 40 | 21.20 | | | Jayasinghe, Thenugi Dilanya | | | 1195 | SRI | 0.50 | 1 | 0.02 | 40 | 0.80 | | | Eesha, Ajay Sarda | | | 1582 * | IND | 0.00 | 1 | -0.08 | 40 | -3.20 | | | * 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 Open Chess Championship 2016 | Colombo | SRI | 2016-08-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1261 | 1210 | 1.00 | 4 | -0.79 | 40 | -31.60 | |
| | Wijeratne, Tharin | | | 1018 | SRI | 1.00 | 1 | 0.25 | 40 | 10.00 | | | Dewanthi, A H Chamika | | | 1520 | SRI | 0.00 | 1 | -0.14 | 40 | -5.60 | | | Udagedara, Sandali Kanishka | | | 1389 | SRI | 0.00 | 1 | -0.27 | 40 | -10.80 | | | Lokubalasuriya, Rochana Sasmitha | | | 1115 | SRI | 0.00 | 1 | -0.63 | 40 | -25.20 | |
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) | | | | Sri Lanka Junior National Chess Championship (Girls) 2016 | Colombo | SRI | 2016-08-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1381 | 1210 | 2.00 | 6 | 0.24 | 40 | 9.60 | |
| | Wijesuriya, G P Y | | | 1514 | SRI | 0.00 | 1 | -0.14 | 40 | -5.60 | | | Herath, Sanduni | | | 1391 | SRI | 0.00 | 1 | -0.26 | 40 | -10.40 | | | Nelligedara, Amandi | | | 1085 | SRI | 1.00 | 1 | 0.33 | 40 | 13.20 | | | Jayasuriya, Linali Andrea | | | 1295 | SRI | 1.00 | 1 | 0.62 | 40 | 24.80 | | | De Silva, Tenara | | | 1507 | SRI | 0.00 | 1 | -0.15 | 40 | -6.00 | | | Kulatunga, Dinithi | | | 1492 | SRI | 0.00 | 1 | -0.16 | 40 | -6.40 | |
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) | | |
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