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Individual Calculations January 2020 |
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| Didulatha, D M I Total change: 13.60 | |   |
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| The Kolonnawa Chess Classic International Rating Tournament 2019 | Colombo | SRI | 2019-12-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1309 | 1019 | 1.00 | 4 | 0.34 | 40 | 13.60 | |
|  Arthigan, J | | | 1389 | SRI | 0.50 | 1 | 0.40 | 40 | 16.00 | |  De Silva, J I Ajantha | | | 1378 | SRI | 0.50 | 1 | 0.40 | 40 | 16.00 | | | Rohana, V T Malitha | | | 1293 | SRI | 0.00 | 1 | -0.17 | 40 | -6.80 | | | Tennakoon, T M Sithil C | | | 1174 | SRI | 0.00 | 1 | -0.29 | 40 | -11.60 | |
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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