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Individual Calculations September 2017 |
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| Saravanabaavan, Yughatharoon Total change: 10.00 | |   |
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| 4th Sri Lanka National Amateur International Rating Chess Championships 2017 | Colombo | SRI | 2017-08-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1207 | 1107 | 2.50 | 6 | 0.25 | 40 | 10.00 | |
|  Harischandra, Thisath Ranpul | | | 1045 | SRI | 1.00 | 1 | 0.41 | 40 | 16.40 | | | Jayawickrama, U W R K | | | 1261 | SRI | 0.50 | 1 | 0.21 | 40 | 8.40 | |  Kalinga, Kalindu Kusalwin | | | 1395 | SRI | 0.00 | 1 | -0.16 | 40 | -6.40 | | | Dissanayake, D M Madushan Sameer | | | 1241 | SRI | 0.00 | 1 | -0.32 | 40 | -12.80 | | | Wijeratne, Tharin | | | 1067 | SRI | 1.00 | 1 | 0.44 | 40 | 17.60 | | | Silva, M M Dhanika Sri Kalhara | | | 1230 | SRI | 0.00 | 1 | -0.33 | 40 | -13.20 | |
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) | | |
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