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Individual Calculations February 2023 |
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| Nanayakkara, N W P K W Total change: 39.00 | |   |
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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 |
| 1339 | 1049 | 2.00 | 6 | 0.87 | 20 | 17.40 | |
|  Senevirathne, S D B K | | | 1696 | SRI | 0.00 | 1 | -0.01 | 20 | -0.20 | | | Edirisinghe, E D Hansana | | | 1268 | SRI | 1.00 | 1 | 0.78 | 20 | 15.60 | |  Abeyrathne, K W A M G Dinod Uthsa | | | 1354 | SRI | 0.00 | 1 | -0.14 | 20 | -2.80 | | | Liyanage, K P L | | | 1266 | SRI | 0.00 | 1 | -0.22 | 20 | -4.40 | | | Sandaruwan, K E Dineth | | | 1189 | SRI | 1.00 | 1 | 0.69 | 20 | 13.80 | | | Vithana, Minethma Devindi | | | 1260 | SRI | 0.00 | 1 | -0.23 | 20 | -4.60 | |
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 |
| 1341 | 1049 | 2.00 | 5 | 1.08 | 20 | 21.60 | |
| | Kamala, Piruna | | | 1590 | SRI | 1.00 | 1 | 0.97 | 20 | 19.40 | | | Dasanya, K K Hansali | | | 1267 | SRI | 1.00 | 1 | 0.78 | 20 | 15.60 | | | Sanuda, Rehan | | | 1358 | SRI | 0.00 | 1 | -0.14 | 20 | -2.80 | | | Bentharaarachchi, Vinuga Ometh | | | 1361 | SRI | 0.00 | 1 | -0.14 | 20 | -2.80 | | | Rathnayake, R M M P B | | | 1129 | SRI | 0.00 | 1 | -0.39 | 20 | -7.80 | |
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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