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Individual Calculations February 2023 |
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| Tennakoon, I L K Total change: -22.40 | |   |
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| Ethugalpura Open International Rating Chess Championships 2022 | Kurunegala | SRI | 2022-12-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1159 | 1463 | 1.00 | 2 | -0.71 | 20 | -14.20 | |
|  Siriwimala , Sanula Vihas | | | 1143 | SRI | 1.00 | 1 | 0.13 | 20 | 2.60 | | | Perera, G Thinuka Geethula | | | 1174 | SRI | 0.00 | 1 | -0.84 | 20 | -16.80 | |
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) | | | | Kandy Open International Rating Chess Championships 2022 | Kandy | SRI | 2022-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1162 | 1463 | 3.00 | 4 | -0.41 | 20 | -8.20 | |
| | Bandara, K A Thinura | | | 1098 | SRI | 1.00 | 1 | 0.10 | 20 | 2.00 | |  Rajanayake, Damsara Bandara | | | 1160 | SRI | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Sanjaya, W M Lankanath | | | 1216 | SRI | 1.00 | 1 | 0.19 | 20 | 3.80 | | | Perera, G Thinuka Geethula | | | 1174 | SRI | 0.00 | 1 | -0.84 | 20 | -16.80 | |
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) | | |
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