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Individual Calculations February 2023 |
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| Janukshan, B Total change: 36.40 | |   |
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| Asia Schools CC 2022- U 13 O | Kaluthara | SRI | 2022-12-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1489 | 1556 | 5.00 | 8 | 0.46 | 40 | 18.40 | |
|  Prematunge, H R Homindu Dulaj | | | 1229 | SRI | 0.50 | 1 | -0.37 | 40 | -14.80 | | | Perera, K Damiru Damsara | | | 1152 | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | |  Samaranayake, Pamok Methdinu | | | 1532 | SRI | 1.00 | 1 | 0.47 | 40 | 18.80 | | | Dumanuly, Sultanbeibarys | | | 1749 | KAZ | 0.50 | 1 | 0.25 | 40 | 10.00 | | | Induwara, T H D Thisarindu | | | 1554 | SRI | 0.50 | 1 | 0.00 | 40 | 0.00 | | | Pak, Aaron | | | 1497 | KGZ | 0.50 | 1 | -0.08 | 40 | -3.20 | | | Obidov, Biloliddin | | | 1483 | UZB | 1.00 | 1 | 0.40 | 40 | 16.00 | | | Weerasekara, Dishal Nimsara | | | 1714 | SRI | 0.00 | 1 | -0.29 | 40 | -11.60 | |
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) | | | | Kandy Open International Rating Chess Championships 2022 | Kandy | SRI | 2022-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1406 | 1556 | 6.50 | 9 | 0.45 | 40 | 18.00 | |
| | Tharanga, R A R | | | 1156 * | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Edirisinghe, D D | | | 1165 | SRI | 1.00 | 1 | 0.09 | 40 | 3.60 | | | Abiru, K A Aken | | | 1309 | SRI | 1.00 | 1 | 0.19 | 40 | 7.60 | | | Liyanage, K P L | | | 1266 | SRI | 1.00 | 1 | 0.16 | 40 | 6.40 | | | Wijekoon, Chandana | c | | 1823 | SRI | 0.50 | 1 | 0.32 | 40 | 12.80 | | | Wiratunga, Jenith | | | 1740 | SRI | 0.00 | 1 | -0.26 | 40 | -10.40 | | | Bentharaarachchi, Vinuga Ometh | | | 1361 | SRI | 1.00 | 1 | 0.25 | 40 | 10.00 | | | Amarathunga, Kosala Sandeepa Cham | | | 1423 | SRI | 0.50 | 1 | -0.18 | 40 | -7.20 | | | Sumanathilake, Yonal | | | 1407 | SRI | 0.50 | 1 | -0.20 | 40 | -8.00 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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