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Individual Calculations February 2023 |
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| Rathnayake, R M M P B Total change: 74.00 | |   |
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| Asia Schools CC 2022- U 13 O | Kaluthara | SRI | 2022-12-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1403 | 1129 | 4.00 | 9 | 1.67 | 25 | 41.75 | |
|  Dumanuly, Sultanbeibarys | | | 1749 | KAZ | 0.00 | 1 | -0.01 | 25 | -0.25 | |  Saipriyan, T | | | 1229 | SRI | 1.00 | 1 | 0.64 | 25 | 16.00 | | | Sharshenbekov, Emir | | | 1987 | KGZ | 0.50 | 1 | 0.50 | 25 | 12.50 | | | Hansana, G Haritha | c | | 1489 | SRI | 0.00 | 1 | -0.10 | 25 | -2.50 | | | Ashad, Nevan Mishal Mohomed | | | 1140 | SRI | 0.50 | 1 | 0.02 | 25 | 0.50 | | | Nuwarapaksha, N P M Lakvindu | | | 1077 | SRI | 1.00 | 1 | 0.43 | 25 | 10.75 | | | Sathsindu, W M Minura | | | 1485 | SRI | 0.00 | 1 | -0.11 | 25 | -2.75 | | | Yanakan, P | | | 1251 | SRI | 0.00 | 1 | -0.33 | 25 | -8.25 | | | Rasil, Ibrahim Rasheed Sabiq | | | 1223 | MDV | 1.00 | 1 | 0.63 | 25 | 15.75 | |
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) | | | | Ethugalpura Open International Rating Chess Championships 2022 | Kurunegala | SRI | 2022-12-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1227 | 1129 | 3.00 | 6 | 0.31 | 25 | 7.75 | |
| | Gunasekara, Aritha Chanthula Abes | | | 1079 | SRI | 1.00 | 1 | 0.43 | 25 | 10.75 | | | Sivathanujan, S | | | 1849 | SRI | 0.00 | 1 | -0.01 | 25 | -0.25 | | | Dharmawansa, S S | | | 1045 | SRI | 1.00 | 1 | 0.38 | 25 | 9.50 | | | Wadduwage, Thamindu Upeksha | | | 1135 | SRI | 0.50 | 1 | 0.01 | 25 | 0.25 | | | Welege , Imantha Lakshan | | | 1121 | SRI | 0.50 | 1 | -0.01 | 25 | -0.25 | | | Wickramarathne, D Jehan Randil | | | 1133 | SRI | 0.00 | 1 | -0.49 | 25 | -12.25 | |
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 |
| 1195 | 1129 | 3.00 | 7 | -0.25 | 25 | -6.25 | |
| | Welikala, D Thevin Dewnim | | | 1018 | SRI | 0.00 | 1 | -0.65 | 25 | -16.25 | | | Nissanka, H T Dinuka Dulshan | | | 1046 | SRI | 1.00 | 1 | 0.39 | 25 | 9.75 | | | Thenuwara, Rashmika | | | 1570 | SRI | 0.50 | 1 | 0.44 | 25 | 11.00 | | | Sandeepani, M Tharushi | | | 1628 | SRI | 0.00 | 1 | -0.04 | 25 | -1.00 | | | Mayadunna, D Vihan Sanija | | | 1021 | SRI | 1.00 | 1 | 0.35 | 25 | 8.75 | | | Yumeth, K L A Venuka | | | 1039 | SRI | 0.00 | 1 | -0.62 | 25 | -15.50 | | | Adshayan, S | | | 1040 | SRI | 0.50 | 1 | -0.12 | 25 | -3.00 | |
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) | | | | Kaluthara International Chess Festival 2023 | Kaluthara | SRI | 2023-01-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1332 | 1129 | 3.00 | 5 | 1.23 | 25 | 30.75 | |
| | Jayaweera, Y | | | 1709 | SRI | 0.00 | 1 | -0.02 | 25 | -0.50 | | | Meemanage, Pinipa Akalanki | | | 1045 | SRI | 1.00 | 1 | 0.38 | 25 | 9.50 | | | Lamahewa, S | | | 1723 | SRI | 0.00 | 1 | -0.02 | 25 | -0.50 | | | Nanayakkara, N W P K W | | | 1049 | SRI | 1.00 | 1 | 0.39 | 25 | 9.75 | | | Thalgaswatta, N S | | | 1132 | SRI | 1.00 | 1 | 0.50 | 25 | 12.50 | |
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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