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Individual Calculations September 2017 |
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| Wickramarathne, T D Total change: -53.60 | |   |
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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 |
| 1225 | 1277 | 1.00 | 4 | -1.34 | 40 | -53.60 | |
|  De Silva, Udara Sandesh | | | 1639 | SRI | 0.00 | 1 | -0.10 | 40 | -4.00 | |  Samarakkody, Nipun D Thamindu | | | 1051 | SRI | 0.00 | 1 | -0.79 | 40 | -31.60 | | | Dissanayake, Sasandu Upeksha | | | 1090 | SRI | 1.00 | 1 | 0.26 | 40 | 10.40 | | | Methiyra, G P Detumini | | | 1120 | SRI | 0.00 | 1 | -0.71 | 40 | -28.40 | |
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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