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Individual Calculations February 2023 |
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| Thimanjana, Balage Kisandu Total change: 51.20 | |   |
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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 |
| 1399 | 1136 | 0.50 | 4 | -0.24 | 40 | -9.60 | |
|  Sumanathilake, Yonal | | | 1407 | SRI | 0.00 | 1 | -0.17 | 40 | -6.80 | | | Deshappriya, D Kalindu | | | 1486 | SRI | 0.00 | 1 | -0.11 | 40 | -4.40 | |  Ramyasiri, Kaveen Poorna | | | 1332 | SRI | 0.50 | 1 | 0.25 | 40 | 10.00 | | | Jayanka, L P P R | | | 1370 | SRI | 0.00 | 1 | -0.21 | 40 | -8.40 | |
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 |
| 1424 | 1136 | 2.50 | 6 | 1.52 | 40 | 60.80 | |
| | Sanuda, Rehan | | | 1358 | SRI | 0.00 | 1 | -0.22 | 40 | -8.80 | | | Lakmal, M A C | | | 1403 | SRI | 0.00 | 1 | -0.18 | 40 | -7.20 | | | Wettasinha, Vasanta | | | 1533 | SRI | 1.00 | 1 | 0.92 | 40 | 36.80 | | | Francis, U M Senal Vishmin | | | 1371 | SRI | 1.00 | 1 | 0.79 | 40 | 31.60 | | | Amarathunga, Kosala Sandeepa Cham | | | 1423 | SRI | 0.50 | 1 | 0.34 | 40 | 13.60 | | | Insara, S D Nadev | | | 1455 | SRI | 0.00 | 1 | -0.13 | 40 | -5.20 | |
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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