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Individual Calculations June 2023 |
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| Jayaweera, Y Total change: 32.00 | |   |
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| Sri Lanka National Chess Championship 2023 | Colombo | SRI | 2023-03-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1857 | 1718 | 7.00 | 13 | 2.03 | 20 | 40.60 | |
|  Weerasekara, Dishal Nimsara | | | 1651 | SRI | 0.00 | 1 | -0.59 | 20 | -11.80 | | | Kaluarachchi, Achinthya Shamen | | | 1884 | SRI | 1.00 | 1 | 0.72 | 20 | 14.40 | |  Senevirathne, S D B K | | | 1710 | SRI | 1.00 | 1 | 0.49 | 20 | 9.80 | | | Samaranayake, Pamok Methdinu | | | 1572 | SRI | 1.00 | 1 | 0.30 | 20 | 6.00 | | | Gunasekara, W A N Senpathi | | | 1558 | SRI | 1.00 | 1 | 0.29 | 20 | 5.80 | | | Morais, Sanithu Leander Pamudith | | | 1572 | SRI | 0.00 | 1 | -0.70 | 20 | -14.00 | | | Liyanage, Pesandu Rashmitha | | | 1734 | SRI | 0.00 | 1 | -0.48 | 20 | -9.60 | | | Alahakoon, Isuru | f | | 1875 | SRI | 0.50 | 1 | 0.21 | 20 | 4.20 | | | Weerawardane, Romesh | m | | 1924 | SRI | 0.00 | 1 | -0.24 | 20 | -4.80 | | | Liyanage, Ranindu Dilshan | f | | 2342 | SRI | 0.00 | 1 | -0.01 | 20 | -0.20 | | | Dabarera, G W D M | | | 1956 | SRI | 1.00 | 1 | 0.80 | 20 | 16.00 | | | Samaranayake, K P R N | | | 1915 | SRI | 1.00 | 1 | 0.75 | 20 | 15.00 | | | De Silva, L M S T | m | | 2452 | SRI | 0.50 | 1 | 0.49 | 20 | 9.80 | |
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) | | | | Colombo International Chess Festival 2023 | Colombo | SRI | 2023-05-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1439 | 1711 | 6.00 | 8 | -0.43 | 20 | -8.60 | |
| | Viranya, A R M V | | | 1311 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Wijerathna, Vinuka Dihain | | | 1280 | SRI | 1.00 | 1 | 0.07 | 20 | 1.40 | | | Amarathunga, Kosala Sandeepa Cham | | | 1472 | SRI | 1.00 | 1 | 0.20 | 20 | 4.00 | | | Gamage, Ovin Vidmal | | | 1554 | SRI | 0.00 | 1 | -0.71 | 20 | -14.20 | | | Hettigoda, Dhanodya Budmina | | | 1254 | SRI | 1.00 | 1 | 0.05 | 20 | 1.00 | | | Newansa, M Esandi | | | 1537 | SRI | 1.00 | 1 | 0.27 | 20 | 5.40 | | | Janukshan, B | | | 1652 | SRI | 0.00 | 1 | -0.58 | 20 | -11.60 | | | Nanayakkara, Sanuk | | | 1455 | SRI | 1.00 | 1 | 0.19 | 20 | 3.80 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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