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Individual Calculations November 2018 |
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| Wickramarathne, P W G Gaveshi Total change: 0.80 | |   |
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| Buddhi Open International Rating Chess Tournament 2018 | Gampaha | SRI | 2018-09-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1431 | 1139 | 0.50 | 3 | 0.02 | 40 | 0.80 | |
|  Dissanayaka, Yadeesha Rashmane | c | | 1440 | SRI | 0.50 | 1 | 0.35 | 40 | 14.00 | |  Herath, H M S S A | | | 1496 | SRI | 0.00 | 1 | -0.11 | 40 | -4.40 | | | Herath, H M M D | | | 1356 | SRI | 0.00 | 1 | -0.22 | 40 | -8.80 | |
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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