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Individual Calculations February 2023 |
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| Sandaruwan, M G Ravindu Total change: 22.56 | |   |
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| Asia Schools CC 2022- U 17 O | Kaluthara | SRI | 2022-12-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1498 | 1430 | 3.50 | 9 | -0.34 | 24 | -8.16 | |
|  Nabil Nazar, Mohamed | | | 1773 | SRI | 1.00 | 1 | 0.88 | 24 | 21.12 | |  Kuliyev, Emin | | | 1701 | TKM | 0.00 | 1 | -0.17 | 24 | -4.08 | | | Piyumantha, M Thisal Manjith | | | 1734 | SRI | 0.00 | 1 | -0.14 | 24 | -3.36 | | | Irondla, Akash Kumar | | | 1332 | IND | 0.50 | 1 | -0.13 | 24 | -3.12 | | | Arthigan, J | | | 1570 | SRI | 0.00 | 1 | -0.31 | 24 | -7.44 | | | Pinnagoda, P G Anuhas Suradunu | | | 1378 | SRI | 0.00 | 1 | -0.57 | 24 | -13.68 | | | Tishor, S | | | 1404 | SRI | 1.00 | 1 | 0.46 | 24 | 11.04 | | | Bandara, W M Malitha | | | 1361 | SRI | 0.00 | 1 | -0.60 | 24 | -14.40 | | | Alagaesan, Yashodhan | | | 1226 | MAS | 1.00 | 1 | 0.24 | 24 | 5.76 | |
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 |
| 1158 | 1430 | 4.50 | 6 | -0.38 | 24 | -9.12 | |
| | Dissanayake, D A Thavinsa Archani | | | 1096 | SRI | 0.50 | 1 | -0.38 | 24 | -9.12 | | | Aththanayaka, A M Chanithu Yunal | | | 1076 | SRI | 0.50 | 1 | -0.39 | 24 | -9.36 | | | Rathnayaka, D R M R S | | | 1033 | SRI | 1.00 | 1 | 0.08 | 24 | 1.92 | | | De Silva, B P Chanthuli Thanishka | | | 1373 | SRI | 0.50 | 1 | -0.08 | 24 | -1.92 | | | Namarathna, H K T I | | | 1166 | SRI | 1.00 | 1 | 0.18 | 24 | 4.32 | | | Thilakaratna, B A Thevindu Kenula | | | 1202 | SRI | 1.00 | 1 | 0.21 | 24 | 5.04 | |
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 |
| 1351 | 1430 | 6.00 | 8 | 1.25 | 24 | 30.00 | |
| | Perera, Thisara Randinu | | | 1098 | SRI | 1.00 | 1 | 0.12 | 24 | 2.88 | | | De Alwis, K K Y M | | | 1105 | SRI | 1.00 | 1 | 0.13 | 24 | 3.12 | | | Wiratunga, Jenith | | | 1740 | SRI | 0.00 | 1 | -0.14 | 24 | -3.36 | | | Premarathne, W M Lavindu Sohas | | | 1159 | SRI | 1.00 | 1 | 0.17 | 24 | 4.08 | | | Dharmakeerthi, G K Pasindu Nims | | | 1773 | SRI | 0.00 | 1 | -0.12 | 24 | -2.88 | | | Somarathne, Senuka Damsath | | | 1139 | SRI | 1.00 | 1 | 0.15 | 24 | 3.60 | | | Sutharshan, Shasrutha | | | 1083 | SRI | 1.00 | 1 | 0.11 | 24 | 2.64 | | | Chandula, E D S | | | 1708 | SRI | 1.00 | 1 | 0.83 | 24 | 19.92 | |
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 |
| 1365 | 1430 | 4.00 | 6 | 0.41 | 24 | 9.84 | |
| | Sugathadasa, Sasiru Hansana | | | 1132 | SRI | 1.00 | 1 | 0.15 | 24 | 3.60 | | | Alahakoon, Isuru | f | | 1925 | SRI | 0.00 | 1 | -0.04 | 24 | -0.96 | | | Maitipe, M T Anuja Nadun | | | 1114 | SRI | 1.00 | 1 | 0.13 | 24 | 3.12 | | | Perera, B Jayod Yasindu Rashmika | | | 1153 | SRI | 1.00 | 1 | 0.17 | 24 | 4.08 | | | Wijewickrama, Ayod Induwara | | | 1091 | SRI | 1.00 | 1 | 0.12 | 24 | 2.88 | | | Dharmakeerthi, G K Pasindu Nims | | | 1773 | SRI | 0.00 | 1 | -0.12 | 24 | -2.88 | |
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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