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Individual Calculations February 2023 |
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| Wijethunga, P D Akain Jithsara Total change: 0.00 | |   |
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| Ethugalpura Open International Rating Chess Championships 2022 | Kurunegala | SRI | 2022-12-20 |
| Rc | Ro | w | n | change | Rp | K | K*chg | Game |
| 1298 | 0 | 0.50 | 4 | 0.00 | 976 | | 0.00 | |
|  Ekaratne, Chenaya | | | 1284 | SRI | 0.50 | 1 | 0.00 | | 0.00 | |  Dissanayake, D M S L | | | 1456 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | | Hettigoda, Dhanodya Budmina | | | 1213 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | | Nanayakkara, Sanuk | | | 1240 | SRI | 0.00 | 1 | 0.00 | | 0.00 | |
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 2022 | Kandy | SRI | 2022-12-27 |
| Rc | Ro | w | n | change | Rp | K | K*chg | Game |
| 1363 | 0 | 1.50 | 5 | 0.00 | 1214 | | 0.00 | |
| | Wickramarathne, P W G Gaveshi | | | 1311 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | | Pradeep, Nishantha | | | 1356 | SRI | 0.50 | 1 | 0.00 | | 0.00 | | | Sanuda, Rehan | | | 1358 | SRI | 1.00 | 1 | 0.00 | | 0.00 | | | Siriwardene, R B Janaka Sampath | | | 1386 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | | Kodithuwakku, K K Dinujaya | | | 1405 | SRI | 0.00 | 1 | 0.00 | | 0.00 | |
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) | | | | Colombo District Youth Chess Championships 2023 - Under 14 | Dehiwala | SRI | 2023-01-06 |
| Rc | Ro | w | n | change | Rp | K | K*chg | Game |
| 1164 | 0 | 0.50 | 2 | 0.00 | 971 | | 0.00 | |
| | Jayasinghe, Bonuka Minketh Si | | | 1210 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | | Suraweera, Shanul Nethru | | | 1118 | SRI | 0.50 | 1 | 0.00 | | 0.00 | |
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 | Rp | K | K*chg | Game |
| 1447 | 0 | 1.50 | 5 | 0.00 | 1298 | | 0.00 | |
| | Lamahewa, S | | | 1723 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | | Perera, H A Lisanda Vinsith | | | 1419 | SRI | 0.50 | 1 | 0.00 | | 0.00 | | | Herath, H M S S A | | | 1399 | SRI | 0.50 | 1 | 0.00 | | 0.00 | | | Rathnayake, R M Dulinma Hemalni | | | 1372 | SRI | 0.50 | 1 | 0.00 | | 0.00 | | | Liyanage, Savinu Suhaswin | | | 1324 | SRI | 0.00 | 1 | 0.00 | | 0.00 | |
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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