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Individual Calculations January 2019 |
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| Tennakoon, Lisara Samadhith Total change: 168.40 | |   |
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| Sri Lanka Inter Club B Chess Championship 2018 | Colombo | SRI | 2018-12-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1656 | 1256 | 1.50 | 3 | 1.26 | 40 | 50.40 | |
|  Wickramanayake, T U | | | 1656 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | De Silva, D M Nilanga | | | 1656 * | SRI | 0.50 | 1 | 0.42 | 40 | 16.80 | |  Anuruddha, N B M I | | | 1656 * | SRI | 1.00 | 1 | 0.92 | 40 | 36.80 | | | * 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) | | | | Ethugalpura International Rating Chess Championship 2018 | Kurunegala | SRI | 2018-12-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1407 | 1256 | 3.00 | 6 | 1.00 | 40 | 40.00 | |
| | Withanarachchi, W A P I | | | 1492 | SRI | 0.50 | 1 | 0.30 | 40 | 12.00 | | | Abeysinghe, H M H Janandani | | | 1644 | SRI | 0.00 | 1 | -0.09 | 40 | -3.60 | | | Ranasinghe, R A S C | | | 1053 | SRI | 1.00 | 1 | 0.24 | 40 | 9.60 | | | Ranasinghe, Thinuga Devanjith | | | 1138 | SRI | 1.00 | 1 | 0.34 | 40 | 13.60 | | | Gunasekara, W A N Senpathi | | | 1555 | SRI | 0.00 | 1 | -0.15 | 40 | -6.00 | | | Kurukulasuriya, M Ashen | | | 1561 | SRI | 0.50 | 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) | | | | Kolonnawa Chess Classic 2018 | Colombo | SRI | 2018-12-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1497 | 1256 | 3.00 | 5 | 1.95 | 40 | 78.00 | |
| | Jayasuriya, Linali Andrea | | | 1412 | SRI | 1.00 | 1 | 0.71 | 40 | 28.40 | | | Gamage, Ovin Vidmal | | | 1547 | SRI | 1.00 | 1 | 0.85 | 40 | 34.00 | | | Pallie, Tuan Ehshan | | | 1656 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Weerasinghe, Isum | | | 1434 | SRI | 0.50 | 1 | 0.23 | 40 | 9.20 | | | Samaraweera, Dimuth Indeepa | | | 1437 | SRI | 0.50 | 1 | 0.24 | 40 | 9.60 | | | * 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) | | |
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