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Individual Calculations August 2023 |
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| Wickramaarachchi, Nayanaka Insara Total change: -31.20 | |   |
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| Sri Lanka Open Chess Championship 2023 | Colombo | SRI | 2023-06-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1319 | 1501 | 5.00 | 8 | -0.78 | 40 | -31.20 | |
|  Mihiran, K D Pawara Himsara | | | 1110 | SRI | 1.00 | 1 | 0.09 | 40 | 3.60 | |  Silva, U M Himaya Shalindi | | | 1239 | SRI | 0.50 | 1 | -0.32 | 40 | -12.80 | | | Punchihewa, Hasith Thevindu | | | 1234 | SRI | 0.50 | 1 | -0.32 | 40 | -12.80 | | | Wimalagunasekara, D Nithwara | | | 1253 | SRI | 1.00 | 1 | 0.19 | 40 | 7.60 | | | Labunahewage, Dulein Bimsath | | | 1339 | SRI | 0.00 | 1 | -0.71 | 40 | -28.40 | | | Abhayaratna, Ometh | | | 1178 | SRI | 1.00 | 1 | 0.13 | 40 | 5.20 | | | Ganepola, Thushanu Yasmith | | | 1302 | SRI | 1.00 | 1 | 0.24 | 40 | 9.60 | | | Liyanage, Pesandu Rashmitha | | | 1893 | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | |
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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