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Individual Calculations February 2023 |
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| Bentharaarachchi, B D Daksha Hans Total change: -21.20 | |   |
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| Asia Schools CC 2022- U 11 O | Kaluthara | SRI | 2022-12-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1159 | 1136 | 2.50 | 8 | -1.35 | 40 | -54.00 | |
|  Dauren, Darmen | | | 1484 | KAZ | 0.50 | 1 | 0.39 | 40 | 15.60 | |  Labunahewage, Dulein Bimsath | | | 1227 | SRI | 0.00 | 1 | -0.38 | 40 | -15.20 | | | Wickramaarachchi, Gayaru Chamsara | | | 1131 | SRI | 0.00 | 1 | -0.51 | 40 | -20.40 | | | Nandasiri, Omiru | | | 1092 | SRI | 0.00 | 1 | -0.56 | 40 | -22.40 | | | Premarathne, W M Lavindu Sohas | | | 1159 | SRI | 1.00 | 1 | 0.53 | 40 | 21.20 | | | Kannangara, Ranul Insitha | | | 1080 | SRI | 0.50 | 1 | -0.08 | 40 | -3.20 | | | Pattikara, Nithum | | | 1054 | SRI | 0.50 | 1 | -0.11 | 40 | -4.40 | | | Weerathunga, Kavinu Sathnura | | | 1041 | SRI | 0.00 | 1 | -0.63 | 40 | -25.20 | |
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) | | | | Ethugalpura Open International Rating Chess Championships 2022 | Kurunegala | SRI | 2022-12-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1503 | 1136 | 0.00 | 1 | -0.10 | 40 | -4.00 | |
| | Manuranga, D Lahiru | | | 1503 | SRI | 0.00 | 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 2022 | Kandy | SRI | 2022-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1426 | 1136 | 1.50 | 3 | 1.03 | 40 | 41.20 | |
| | Kodithuwakku, K K Dinujaya | | | 1405 | SRI | 0.00 | 1 | -0.17 | 40 | -6.80 | | | Sathsindu, W M Minura | | | 1485 | SRI | 0.50 | 1 | 0.39 | 40 | 15.60 | | | Thilakarathne, Adeesha Dinal | | | 1387 | SRI | 1.00 | 1 | 0.81 | 40 | 32.40 | |
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) | | | | Kaluthara International Chess Festival 2023 | Kaluthara | SRI | 2023-01-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1246 | 1136 | 1.00 | 3 | -0.11 | 40 | -4.40 | |
| | Vithanage, P N | | | 1023 | SRI | 0.50 | 1 | -0.15 | 40 | -6.00 | | | Insara, S D Nadev | | | 1455 | SRI | 0.50 | 1 | 0.37 | 40 | 14.80 | | | Kaumina, M Yashika | | | 1259 | SRI | 0.00 | 1 | -0.33 | 40 | -13.20 | |
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) | | |
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