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Individual Calculations September 2017 |
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| Dineth, S A Induwara Total change: -10.80 | |   |
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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 |
| 1444 | 1147 | 0.50 | 5 | -0.27 | 40 | -10.80 | |
|  Deshappriya, D Kalindu | | | 1522 | SRI | 0.00 | 1 | -0.09 | 40 | -3.60 | | | Rukmal, G Thasitha | | | 1398 | SRI | 0.00 | 1 | -0.19 | 40 | -7.60 | |  De Silva, L M S T | | | 1508 | SRI | 0.00 | 1 | -0.10 | 40 | -4.00 | | | Gunarathna, D A Viraj Darshana | | | 1467 | SRI | 0.50 | 1 | 0.37 | 40 | 14.80 | | | Samarakoon, Hevidu | | | 1327 | SRI | 0.00 | 1 | -0.26 | 40 | -10.40 | |
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) | | |
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