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Individual Calculations September 2019 |
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| Wiratunga, Jenith Total change: 44.80 | |   |
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| Sri Lanka open International Rating Chess Championship 2019 | Anuradhapura | SRI | 2019-08-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1305 | 1458 | 5.00 | 8 | -0.40 | 40 | -16.00 | |
|  Wimalagunasekara, D Nithwara | | | 1081 | SRI | 1.00 | 1 | 0.09 | 40 | 3.60 | |  Wijekoon, Chandana | c | | 1858 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Lankatilleke, Sathindu Vidujaya | | | 1160 | SRI | 1.00 | 1 | 0.15 | 40 | 6.00 | | | Ranasinghe, R A Senuka Buddhika | | | 1288 | SRI | 0.50 | 1 | -0.22 | 40 | -8.80 | | | Gunathilake, M D Vinuda Shenal | | | 1207 | SRI | 0.50 | 1 | -0.31 | 40 | -12.40 | | | Silva, M K Theshan Pasandul | | | 1058 * | SRI | 0.50 | 1 | -0.42 | 40 | -16.80 | | | Hettiarachchi, D W K | | | 1125 | SRI | 1.00 | 1 | 0.12 | 40 | 4.80 | | | Obeysekara, T A Sajith Chathuran | | | 1666 | SRI | 0.50 | 1 | 0.27 | 40 | 10.80 | | | * 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) | | | | 9th Kandy Open International Chess Festival 2019 | Kandy | SRI | 2019-08-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1464 | 1458 | 5.50 | 8 | 1.52 | 40 | 60.80 | |
| | Withana, Sanul Nethmina | | | 1116 | SRI | 1.00 | 1 | 0.12 | 40 | 4.80 | | | Rupasinghe, Sarath | | | 1744 | SRI | 0.50 | 1 | 0.34 | 40 | 13.60 | | | Sethiya , A Vinuga | | | 1179 | SRI | 0.50 | 1 | -0.34 | 40 | -13.60 | | | Gunawardena, Y Kaveesha | | | 1169 | SRI | 1.00 | 1 | 0.16 | 40 | 6.40 | | | Samaranayake, K P R N | | | 1858 * | SRI | 1.00 | 1 | 0.92 | 40 | 36.80 | | | Kolomwe, Willian | | | 1753 | ZAM | 0.00 | 1 | -0.15 | 40 | -6.00 | | | Ranasinghe, Thinuga Devanjith | | | 1232 | SRI | 1.00 | 1 | 0.21 | 40 | 8.40 | | | Kiriella, K G T S D | | | 1659 | SRI | 0.50 | 1 | 0.26 | 40 | 10.40 | | | * 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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