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Individual Calculations February 2023 |
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| Jayasuriya, Charinu Sithsara Mith Total change: -53.60 | |   |
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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 |
| 1345 | 1110 | 0.00 | 3 | -0.64 | 40 | -25.60 | |
|  Insara, S D Nadev | | | 1455 | SRI | 0.00 | 1 | -0.11 | 40 | -4.40 | |  Dissanayake, D M Madushan Sameera | | | 1278 | SRI | 0.00 | 1 | -0.28 | 40 | -11.20 | | | Desurra, G P Damsilu | | | 1302 | SRI | 0.00 | 1 | -0.25 | 40 | -10.00 | |
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 |
| 1438 | 1110 | 0.00 | 4 | -0.70 | 40 | -28.00 | |
| | Dharmakeerthi, G K Pasindu Nims | | | 1773 | SRI | 0.00 | 1 | -0.01 | 40 | -0.40 | | | Herath, H M J R | | | 1278 | SRI | 0.00 | 1 | -0.28 | 40 | -11.20 | | | Perera, H A Lisanda Vinsith | | | 1419 | SRI | 0.00 | 1 | -0.14 | 40 | -5.60 | | | Sathsara, E P Daham | | | 1281 | SRI | 0.00 | 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) | | |
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