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Individual Calculations February 2023 |
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| Koswattage, Biman Total change: -28.00 | |   |
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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 |
| 1283 | 1249 | 3.50 | 6 | 0.66 | 40 | 26.40 | |
|  Herath, H M Chamuditha Sasen Band | | | 1091 | SRI | 1.00 | 1 | 0.29 | 40 | 11.60 | |  Samaraweera, S M Sethika Hansira | | | 1144 | SRI | 1.00 | 1 | 0.36 | 40 | 14.40 | | | Mithun, Pranav | | | 1217 | IND | 0.50 | 1 | -0.04 | 40 | -1.60 | | | Kakavand, Ramtin | | | 1638 | IRI | 0.00 | 1 | -0.09 | 40 | -3.60 | | | Aarav, Sarbalia | | | 1458 | IND | 0.00 | 1 | -0.23 | 40 | -9.20 | | | Toktaaliev, Namys | | | 1152 | KGZ | 1.00 | 1 | 0.37 | 40 | 14.80 | |
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) | | | | Kandy Open International Rating Chess Championships 2022 | Kandy | SRI | 2022-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1036 | 1249 | 1.00 | 3 | -1.31 | 40 | -52.40 | |
| | Jayasinghe, D Senethmi | | | 1045 | SRI | 0.50 | 1 | -0.26 | 40 | -10.40 | | | Harischandra, Waruni Laknadee | | | 1037 | SRI | 0.50 | 1 | -0.27 | 40 | -10.80 | | | Senarathna, Chamithu Dewwin | | | 1026 | SRI | 0.00 | 1 | -0.78 | 40 | -31.20 | |
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) | | | | Kaluthara International Chess Festival 2023 | Kaluthara | SRI | 2023-01-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1723 | 1249 | 0.00 | 1 | -0.05 | 40 | -2.00 | |
| | Lamahewa, S | | | 1723 | SRI | 0.00 | 1 | -0.05 | 40 | -2.00 | |
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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