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Individual Calculations September 2019 |
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| Gamage, Desandhi Dhihansa Total change: 125.60 | |   |
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| 4th SSC Open International Rating chess Championship 2019 | Matara | SRI | 2019-08-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1477 | 1159 | 3.00 | 6 | 2.15 | 40 | 86.00 | |
|  Kodithuwakku, Sithumi Agasi | | | 1532 | SRI | 1.00 | 1 | 0.90 | 40 | 36.00 | | | Jayawardana, Chenuka Nethvidu | | | 1475 | SRI | 0.00 | 1 | -0.13 | 40 | -5.20 | |  Kalubowila, K H N | | | 1559 * | SRI | 1.00 | 1 | 0.92 | 40 | 36.80 | | | Gamage, Liviru Hansana | | | 1315 | SRI | 0.50 | 1 | 0.21 | 40 | 8.40 | | | Abhimanyu, Iraja | | | 1475 | SRI | 0.50 | 1 | 0.37 | 40 | 14.80 | | | Deshappriya, D Kalindu | | | 1503 | SRI | 0.00 | 1 | -0.12 | 40 | -4.80 | | | * 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) | | | | 5th Negombo International chess Festival 2019 | Negombo | SRI | 2019-08-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1496 | 1159 | 2.00 | 6 | 1.26 | 40 | 50.40 | |
| | Madushanka, B W M Malith | | | 1545 | SRI | 0.00 | 1 | -0.09 | 40 | -3.60 | | | Deshappriya, D Kalindu | | | 1503 | SRI | 1.00 | 1 | 0.88 | 40 | 35.20 | | | Liyanage, Pesandu Rashmitha | | | 1507 | SRI | 1.00 | 1 | 0.89 | 40 | 35.60 | | | Samaraweera, Dimuth Indeepa | | | 1559 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Akasha, J P Vihanga | | | 1454 | SRI | 0.00 | 1 | -0.15 | 40 | -6.00 | | | Perera, M C C | | | 1405 | SRI | 0.00 | 1 | -0.19 | 40 | -7.60 | | | * 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) | | | | 9th Kandy Open International Chess Festival 2019 | Kandy | SRI | 2019-08-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1352 | 1159 | 0.50 | 3 | -0.27 | 40 | -10.80 | |
| | Gunarathna, D A Viraj Darshana | | | 1447 | SRI | 0.00 | 1 | -0.16 | 40 | -6.40 | | | Dissanayake , Sithila C | | | 1306 | SRI | 0.00 | 1 | -0.30 | 40 | -12.00 | | | Ekanayake, Nipuna Ravindra | | | 1302 | SRI | 0.50 | 1 | 0.19 | 40 | 7.60 | |
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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