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Rapid:
Individual Calculations November 2022 |
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| Basuru, K A Chathura Total change: -57.80 | |   |
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| Sri Lanka National Rapid Chess Championship 2022 | Colombo | SRI | 2022-09-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1190 | 1257 | 1.00 | 4 | -1.41 | 20 | -28.20 | |
|  Maleeshaka , Rukshan | | | 1051 | SRI | 0.50 | 1 | -0.26 | 20 | -5.20 | | | Samarasinghe, Isuru Udana | | | 1628 | SRI | 0.00 | 1 | -0.10 | 20 | -2.00 | |  Wadduwage, Thamindu Upeksha | | | 1077 | SRI | 0.50 | 1 | -0.24 | 20 | -4.80 | | | Thilakarathne, Nisal Dilushana | | | 1002 | SRI | 0.00 | 1 | -0.81 | 20 | -16.20 | |
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) | | | | Sri Lanka National Youth Rapid Chess Championships 2022 - U14 O | Dehiwala | SRI | 2022-10-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1058 | 1257 | 4.50 | 7 | -0.74 | 40 | -29.60 | |
| | Nethdinu, Ruben Hiruja | | | 932 | SRI | 1.00 | 1 | 0.13 | 40 | 5.20 | | | Kularathne, K A Praveen | | | 1108 | SRI | 0.50 | 1 | -0.20 | 40 | -8.00 | | | Rajanayake, Damsara Bandara | | | 1044 | SRI | 0.00 | 1 | -0.77 | 40 | -30.80 | | | Dayarathna, N M J K | | | 1017 | SRI | 1.00 | 1 | 0.20 | 40 | 8.00 | | | Siriwardene, R B Bihandu Janandit | | | 1028 | SRI | 1.00 | 1 | 0.21 | 40 | 8.40 | | | Perera, K C D | | | 1120 | SRI | 1.00 | 1 | 0.32 | 40 | 12.80 | | | Wickramaarachchi, Nayanaka Insara | | | 1160 | 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) | | |
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