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Individual Calculations November 2022 |
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| Insara, S D Nadev Total change: 53.64 | |   |
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| Sri Lanka Junior National Chess Championship 2022 | Kandy | SRI | 2022-09-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1205 | 1308 | 4.50 | 7 | -0.02 | 36 | -0.72 | |
|  Yatawara, Thevidu Udaneth Bandar | | | 1004 | SRI | 1.00 | 1 | 0.14 | 36 | 5.04 | |  Wickramarathne, D Jehan Randil | | | 1121 | SRI | 0.50 | 1 | -0.24 | 36 | -8.64 | | | De Silva, L H L Manuja Lakshitha | | | 1230 | SRI | 0.50 | 1 | -0.11 | 36 | -3.96 | | | Chandrasiri, R B A | | | 1126 | SRI | 1.00 | 1 | 0.26 | 36 | 9.36 | | | Senevirathne, S D B K | | | 1731 | SRI | 0.00 | 1 | -0.07 | 36 | -2.52 | | | Welege , Imantha Lakshan | | | 1093 | SRI | 0.50 | 1 | -0.27 | 36 | -9.72 | | | Lankatilleke, Sathindu Vidujaya | | | 1133 | SRI | 1.00 | 1 | 0.27 | 36 | 9.72 | |
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) | | | | Sri Lanka National Amateur Chess Championship 2022 | Colomo | SRI | 2022-10-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1321 | 1308 | 5.50 | 7 | 1.86 | 36 | 66.96 | |
| | Tharanga, R A R | | | 1021 | SRI | 1.00 | 1 | 0.16 | 36 | 5.76 | | | Nagahawatta, Sachin Devinda | | | 1043 | SRI | 1.00 | 1 | 0.18 | 36 | 6.48 | | | Gunaratne, Mojitha Sathsara | c | | 1857 | SRI | 0.50 | 1 | 0.47 | 36 | 16.92 | | | Janukshan, B | | | 1693 | SRI | 0.50 | 1 | 0.41 | 36 | 14.76 | | | Hendavitharana, D S | | | 1147 | SRI | 0.50 | 1 | -0.21 | 36 | -7.56 | | | Maleeshaka , Rukshan | | | 1051 | SRI | 1.00 | 1 | 0.18 | 36 | 6.48 | | | Amarathunga, Kosala Sandeepa Cham | | | 1434 | SRI | 1.00 | 1 | 0.67 | 36 | 24.12 | |
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) | | | | Negombo International Chess Festival 2022 | Negombo | SRI | 2022-10-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1093 | 1308 | 3.50 | 5 | -0.35 | 36 | -12.60 | |
| | Bandara, Lakshika Sathsarani | | | 1030 | SRI | 1.00 | 1 | 0.17 | 36 | 6.12 | | | Perera, Prabodha Sathsara | | | 1129 | SRI | 0.50 | 1 | -0.23 | 36 | -8.28 | | | Suvethican, V | | | 1100 | SRI | 0.50 | 1 | -0.27 | 36 | -9.72 | | | Ranasinghe, R A Manul Lakvindu | | | 1085 | SRI | 1.00 | 1 | 0.22 | 36 | 7.92 | | | Thimanjana, Balage Kisandu | | | 1122 | SRI | 0.50 | 1 | -0.24 | 36 | -8.64 | |
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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