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Individual Calculations November 2022 |
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| Perera, H A Lisanda Vinsith Total change: 101.60 | |   |
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| Sri Lanka National Amateur Chess Championship 2022 | Colomo | SRI | 2022-10-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1426 | 1197 | 1.00 | 4 | 0.15 | 40 | 6.00 | |
|  Sethiya , A Vinuga | | | 1462 | SRI | 0.00 | 1 | -0.18 | 40 | -7.20 | | | Sumanathilake, Yonal | | | 1392 | SRI | 0.50 | 1 | 0.25 | 40 | 10.00 | |  Hettiarachchi, D W K | | | 1396 | SRI | 0.50 | 1 | 0.26 | 40 | 10.40 | | | Samaranayake, Pamok Methdinu | | | 1455 | SRI | 0.00 | 1 | -0.18 | 40 | -7.20 | |
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) | | | | Negombo International Chess Festival 2022 | Negombo | SRI | 2022-10-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1461 | 1197 | 3.50 | 6 | 2.39 | 40 | 95.60 | |
| | Gamage, Ovin Vidmal | | | 1519 | SRI | 0.50 | 1 | 0.37 | 40 | 14.80 | | | Ayestian, Aloysius | | | 1575 | SRI | 1.00 | 1 | 0.91 | 40 | 36.40 | | | Premanath, Prasansa | | | 1480 | SRI | 0.50 | 1 | 0.34 | 40 | 13.60 | | | Gunaweera, Geenuka Kavinu | | | 1412 | SRI | 0.50 | 1 | 0.27 | 40 | 10.80 | | | Rathnayaka, Minaga Yethmin | | | 1346 | SRI | 1.00 | 1 | 0.70 | 40 | 28.00 | | | Askey, Raveen Nimesh | | | 1433 | SRI | 0.00 | 1 | -0.20 | 40 | -8.00 | |
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) | | |
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