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Individual Calculations June 2023 |
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| Madurawala, M G D S Shanuka Total change: 33.20 | |   |
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| Supr Knights Open International Rating Chess Championship 2023 | Colombo | SRI | 2023-04-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1404 | 1230 | 3.00 | 6 | 0.96 | 40 | 38.40 | |
|  Bandara, Dhanushka | | | 1853 | SRI | 0.00 | 1 | -0.01 | 40 | -0.40 | |  Gamage, Ovin Vidmal | | | 1528 | SRI | 1.00 | 1 | 0.85 | 40 | 34.00 | | | Laksiri, A A Kavishka Gimshan | | | 1485 | SRI | 0.00 | 1 | -0.19 | 40 | -7.60 | | | Hendavitharana, D S | | | 1440 | SRI | 0.00 | 1 | -0.23 | 40 | -9.20 | | | Thenusha, K | | | 1059 | SRI | 1.00 | 1 | 0.27 | 40 | 10.80 | | | Peiris, P Gimshan Sathsara | | | 1057 | SRI | 1.00 | 1 | 0.27 | 40 | 10.80 | |
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 |
| 1250 | 1301 | 4.00 | 7 | -0.13 | 40 | -5.20 | |
| | Raheem, Malik | | | 1037 | SRI | 1.00 | 1 | 0.18 | 40 | 7.20 | | | Alahakoon, Isuru | f | | 1819 | SRI | 0.00 | 1 | -0.03 | 40 | -1.20 | | | Rodrigo, Lohas Dewmina | | | 1086 | SRI | 1.00 | 1 | 0.23 | 40 | 9.20 | | | Dharmawansa, S S | | | 1021 | SRI | 0.50 | 1 | -0.34 | 40 | -13.60 | | | Fernando, Diyon Senuth Randilu | | | 1111 | SRI | 1.00 | 1 | 0.25 | 40 | 10.00 | | | Sathsindu, W M Minura | | | 1562 | SRI | 0.50 | 1 | 0.32 | 40 | 12.80 | | | Abeysekera, Bises Oneja | | | 1114 | SRI | 0.00 | 1 | -0.74 | 40 | -29.60 | |
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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