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Individual Calculations February 2023 |
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| Perera, Thisara Randinu Total change: 70.40 | |   |
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| Kandy Open International Rating Chess Championships 2022 | Kandy | SRI | 2022-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1302 | 1098 | 1.50 | 4 | 0.45 | 40 | 18.00 | |
|  Sandaruwan, M G Ravindu | | | 1430 | SRI | 0.00 | 1 | -0.12 | 40 | -4.80 | |  Jayanka, L P P R | | | 1370 | SRI | 0.50 | 1 | 0.33 | 40 | 13.20 | | | Pinnagoda, P G Anuhas Suradunu | | | 1378 | SRI | 0.00 | 1 | -0.16 | 40 | -6.40 | | | Hansara, W P Sandith | | | 1028 | SRI | 1.00 | 1 | 0.40 | 40 | 16.00 | |
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 |
| 1371 | 1098 | 2.00 | 4 | 1.31 | 40 | 52.40 | |
| | Bimansa, D G Jayandi | | | 1333 | SRI | 0.50 | 1 | 0.29 | 40 | 11.60 | | | Perera, H A Lisanda Vinsith | | | 1419 | SRI | 0.50 | 1 | 0.37 | 40 | 14.80 | | | Sanuda, Rehan | | | 1358 | SRI | 0.50 | 1 | 0.32 | 40 | 12.80 | | | Rathnayake, R M Dulinma Hemalni | | | 1372 | SRI | 0.50 | 1 | 0.33 | 40 | 13.20 | |
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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