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Individual Calculations November 2023 |
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| Rathnayake, R M R S Total change: 42.00 | |   |
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| Sri Lanka Junior National Chess Championship 2023 | Kandy | SRI | 2023-08-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1025 | 1095 | 0.50 | 1 | -0.10 | 40 | -4.00 | |
|  Karunarathna, Umeth | | | 1025 | SRI | 0.50 | 1 | -0.10 | 40 | -4.00 | |
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) | | | | Kandy Open International Rating Chess Championships 2023 | Kandy | SRI | 2023-09-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1284 | 1095 | 3.00 | 7 | 1.15 | 40 | 46.00 | |
|  Lakshitha, H H Sasindu | | | 1484 | SRI | 0.00 | 1 | -0.09 | 40 | -3.60 | | | Wimalarathna, A U I D K | | | 1227 | SRI | 1.00 | 1 | 0.68 | 40 | 27.20 | | | Jayanka, L P P R | | | 1278 | SRI | 0.50 | 1 | 0.24 | 40 | 9.60 | | | Pathirana, W P Keshara Viraj | | | 1236 | SRI | 0.00 | 1 | -0.31 | 40 | -12.40 | | | Aluvihare, Sithum D | | | 1219 | SRI | 0.00 | 1 | -0.33 | 40 | -13.20 | | | Dissanayake, K M S M | | | 1246 | SRI | 0.50 | 1 | 0.20 | 40 | 8.00 | | | Chandrasiri, P K | | | 1295 | SRI | 1.00 | 1 | 0.76 | 40 | 30.40 | |
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) | | |
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