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Individual Calculations July 2023 |
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| Tennakoon, Lisara Samadhith Total change: -8.40 | |   |
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| Damso international Chess Festival 2023 | Ambalangoda | SRI | 2023-05-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1387 | 1468 | 6.00 | 9 | 0.56 | 40 | 22.40 | |
|  Aththanayaka, A M Chanithu Yunal | | | 1092 | SRI | 1.00 | 1 | 0.09 | 40 | 3.60 | |  Dissanayake, Emal Imandiv S | | | 1186 | SRI | 0.50 | 1 | -0.34 | 40 | -13.60 | | | Sampath, H K G | | | 1212 | SRI | 1.00 | 1 | 0.19 | 40 | 7.60 | | | Vithanage, P N | | | 1156 | SRI | 0.50 | 1 | -0.36 | 40 | -14.40 | | | Kannangara, Ranul Insitha | | | 1165 | SRI | 1.00 | 1 | 0.14 | 40 | 5.60 | | | Weerasinghe, C C | | | 1764 | SRI | 0.50 | 1 | 0.35 | 40 | 14.00 | | | Peiris, P Gimshan Sathsara | | | 1216 | SRI | 1.00 | 1 | 0.19 | 40 | 7.60 | | | Samaranayake, K P R N | | | 1878 | SRI | 0.50 | 1 | 0.42 | 40 | 16.80 | | | Sivathanujan, S | | | 1810 | SRI | 0.00 | 1 | -0.12 | 40 | -4.80 | |
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) | | | | 47th National Sports Festival Team Chess Championship 2023 - Men | Colombo | SRI | 2023-06-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1506 | 1468 | 1.50 | 5 | -0.77 | 40 | -30.80 | |
| | De Silva, Osheen | | | 1687 | SRI | 0.50 | 1 | 0.28 | 40 | 11.20 | | | Galagamaarachchi, A S | | | 1721 | SRI | 0.00 | 1 | -0.19 | 40 | -7.60 | | | Marasinghe, Kasunka | | | 1243 | SRI | 1.00 | 1 | 0.22 | 40 | 8.80 | | | Gowsalyan, S | | | 1379 | SRI | 0.00 | 1 | -0.62 | 40 | -24.80 | | | Priyadarshana, Y Danushka | | | 1498 | SRI | 0.00 | 1 | -0.46 | 40 | -18.40 | |
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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