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Individual Calculations February 2023 |
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| Sanuda, Rehan Total change: -9.60 | |   |
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| Kandy Open International Rating Chess Championships 2022 | Kandy | SRI | 2022-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1227 | 1358 | 2.50 | 4 | -0.13 | 20 | -2.60 | |
|  Chandula, E D S | | | 1708 | SRI | 0.00 | 1 | -0.11 | 20 | -2.20 | | | Yapabandara, Y | | | 1068 | SRI | 1.00 | 1 | 0.16 | 20 | 3.20 | |  Nagahawatta, Nisal Sankalpa | | | 1006 | SRI | 0.50 | 1 | -0.39 | 20 | -7.80 | | | Thennakoon, Akitha | | | 1124 | SRI | 1.00 | 1 | 0.21 | 20 | 4.20 | |
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 |
| 1265 | 1358 | 4.00 | 7 | -0.35 | 20 | -7.00 | |
| | Thimanjana, Balage Kisandu | | | 1136 | SRI | 1.00 | 1 | 0.22 | 20 | 4.40 | | | Weerasekara, Dishal Nimsara | | | 1714 | SRI | 0.00 | 1 | -0.11 | 20 | -2.20 | | | Nanayakkara, M M | | | 1169 | SRI | 1.00 | 1 | 0.25 | 20 | 5.00 | | | Nanayakkara, N W P K W | | | 1049 | SRI | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Laksiri, A A Kavishka Gimshan | | | 1517 | SRI | 0.00 | 1 | -0.29 | 20 | -5.80 | | | Perera, Thisara Randinu | | | 1098 | SRI | 0.50 | 1 | -0.32 | 20 | -6.40 | | | Minsara, S D Sadev | | | 1171 | SRI | 0.50 | 1 | -0.24 | 20 | -4.80 | |
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) | | |
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