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Individual Calculations February 2023 |
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| Samaraweera, S M Sethika Hansira Total change: -2.40 | |   |
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| Asia Schools CC 2022- U 9 O | Kaluthara | SRI | 2022-12-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1280 | 1144 | 2.00 | 6 | 0.03 | 40 | 1.20 | |
|  Aarav, Sarbalia | | | 1458 | IND | 1.00 | 1 | 0.86 | 40 | 34.40 | | | Koswattage, Biman | | | 1249 | SRI | 0.00 | 1 | -0.36 | 40 | -14.40 | |  Hridaan, A Shah | | | 1141 | IND | 0.00 | 1 | -0.50 | 40 | -20.00 | | | Kasthuriarachchi, K A Risindu Man | | | 1261 | SRI | 1.00 | 1 | 0.66 | 40 | 26.40 | | | Zhauynbay, Alimzhan | | | 1355 | KAZ | 0.00 | 1 | -0.23 | 40 | -9.20 | | | Mithun, Pranav | | | 1217 | IND | 0.00 | 1 | -0.40 | 40 | -16.00 | |
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) | | | | Ethugalpura Open International Rating Chess Championships 2022 | Kurunegala | SRI | 2022-12-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1550 | 1144 | 0.00 | 1 | -0.08 | 40 | -3.20 | |
| | Marapana, Sanupa Bimsath | | | 1550 | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | |
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) | | | | Kandy Open International Rating Chess Championships 2022 | Kandy | SRI | 2022-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1479 | 1144 | 0.50 | 4 | -0.01 | 40 | -0.40 | |
| | Sathsindu, W M Minura | | | 1485 | SRI | 0.00 | 1 | -0.12 | 40 | -4.80 | | | Thenuwara, Rashmika | | | 1570 | SRI | 0.00 | 1 | -0.07 | 40 | -2.80 | | | Herath, H M S S A | | | 1399 | SRI | 0.50 | 1 | 0.31 | 40 | 12.40 | | | Jayasundara, J M Daham V | | | 1463 | SRI | 0.00 | 1 | -0.13 | 40 | -5.20 | |
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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