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Individual Calculations February 2020 |
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| Hewawasam, H Y Thisaga Manvidu Total change: 76.40 | |   |
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| Sri Lanka National Youth Chess Championship 2019 - Under 13 years | Colombo | SRI | 2019-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1217 | 1280 | 4.50 | 7 | 0.42 | 40 | 16.80 | |
|  Lewdeni, L P T C | | | 1015 | SRI | 1.00 | 1 | 0.18 | 40 | 7.20 | |  Liyanage, Sethika Linath | | | 1056 | SRI | 1.00 | 1 | 0.22 | 40 | 8.80 | | | Saravanabaavan, Brijeash | | | 1494 | SRI | 0.50 | 1 | 0.27 | 40 | 10.80 | | | Samaraweera, Dimuth Indeepa | | | 1556 | SRI | 0.00 | 1 | -0.17 | 40 | -6.80 | | | Thalgaswatta, Adeesha Denuwan | | | 1097 | SRI | 0.50 | 1 | -0.24 | 40 | -9.60 | | | Subaweera, Senuka Sendinu | | | 1119 | SRI | 1.00 | 1 | 0.29 | 40 | 11.60 | | | Nawantha, Dulshan | | | 1185 | SRI | 0.50 | 1 | -0.13 | 40 | -5.20 | |
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) | | | | Kaluthara International Chess Festival 2020 | Kaluthara | SRI | 2020-01-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1295 | 1281 | 5.00 | 7 | 1.49 | 40 | 59.60 | |
| | Brahmana, Hirun Nadeepa | | | 1006 | SRI | 1.00 | 1 | 0.17 | 40 | 6.80 | | | Sivathanujan, S | | | 1681 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Vidharshana, T H Oshid Warshaka | | | 1051 | SRI | 1.00 | 1 | 0.21 | 40 | 8.40 | | | Fernando, H Methushi Amaya | | | 1075 | SRI | 0.50 | 1 | -0.26 | 40 | -10.40 | | | Withana, Sanul Nethmina | | | 1092 | SRI | 1.00 | 1 | 0.25 | 40 | 10.00 | | | Nirmalarajah, S | | | 1615 | SRI | 0.50 | 1 | 0.38 | 40 | 15.20 | | | Deshappriya, D Kalindu | | | 1545 | SRI | 1.00 | 1 | 0.82 | 40 | 32.80 | | | * 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) | | |
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