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Individual Calculations February 2023 |
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| Thennakoon, Disara Total change: 18.80 | |   |
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| Ethugalpura Open International Rating Chess Championships 2022 | Kurunegala | SRI | 2022-12-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1090 | 1384 | 4.00 | 7 | -1.90 | 40 | -76.00 | |
|  Kalhan, S Vojitha | | | 1089 | SRI | 1.00 | 1 | 0.15 | 40 | 6.00 | |  Kavisekara, Manula Heshan | | | 1169 | SRI | 0.00 | 1 | -0.77 | 40 | -30.80 | | | Perera, W Chamoth Chiranda | | | 1045 | SRI | 1.00 | 1 | 0.12 | 40 | 4.80 | | | Somarathne, Senuka Damsath | | | 1139 | SRI | 0.00 | 1 | -0.80 | 40 | -32.00 | | | Dissanayaka, D A K N R | | | 1036 | SRI | 0.50 | 1 | -0.39 | 40 | -15.60 | | | Perera, Sachith Lakshan | | | 1032 | SRI | 0.50 | 1 | -0.39 | 40 | -15.60 | | | Madurawala, M G D S Shanuka | | | 1120 | SRI | 1.00 | 1 | 0.18 | 40 | 7.20 | |
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) | | | | Kandy Open International Rating Chess Championships 2022 | Kandy | SRI | 2022-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1505 | 1384 | 5.50 | 8 | 2.37 | 40 | 94.80 | |
| | Weheragoda, H A Menula | | | 1136 | SRI | 1.00 | 1 | 0.19 | 40 | 7.60 | | | Alahakoon, Isuru | f | | 1925 | SRI | 0.50 | 1 | 0.47 | 40 | 18.80 | | | Dahanayake, Isara Banidu | c | | 1852 | SRI | 0.50 | 1 | 0.45 | 40 | 18.00 | | | Wickramasuriya, Diheli Sethnara | | | 1094 | SRI | 1.00 | 1 | 0.16 | 40 | 6.40 | | | Madushanka, Harsha | | | 1691 | SRI | 0.50 | 1 | 0.36 | 40 | 14.40 | | | Sandeepani, M Tharushi | | | 1628 | SRI | 0.50 | 1 | 0.30 | 40 | 12.00 | | | Herath, H M H C B | | | 1547 | SRI | 0.50 | 1 | 0.22 | 40 | 8.80 | | | Wimalagunasekara, D Nithwara | | | 1165 | SRI | 1.00 | 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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