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Individual Calculations February 2023 |
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| Jayasundara, J M Theruni V Total change: -30.40 | |   |
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| Asia Schools CC 2022- U 13 G | Kaluthara | SRI | 2022-12-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1098 | 1240 | 2.00 | 6 | -2.13 | 40 | -85.20 | |
|  Thilakawardena, A K P Namya Dine | | | 1014 | SRI | 1.00 | 1 | 0.21 | 40 | 8.40 | | | Mendis, Imethra | | | 1133 | SRI | 0.00 | 1 | -0.65 | 40 | -26.00 | |  Wijesinghe, Amesha Shenali | | | 1090 | SRI | 0.00 | 1 | -0.70 | 40 | -28.00 | | | Alwis, H Sandithi Kusalya | | | 1201 | SRI | 0.00 | 1 | -0.55 | 40 | -22.00 | | | Liyanage, D Sathini Disathna | | | 1084 | SRI | 0.00 | 1 | -0.71 | 40 | -28.40 | | | Umandini, M W Tinushi | | | 1063 | SRI | 1.00 | 1 | 0.27 | 40 | 10.80 | |
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 |
| 1146 | 1240 | 3.50 | 5 | 0.36 | 40 | 14.40 | |
| | Senarathna, Chamithu Dewwin | | | 1026 | SRI | 1.00 | 1 | 0.23 | 40 | 9.20 | | | Attanayake, Chanindi Mewna | | | 1548 | SRI | 0.00 | 1 | -0.14 | 40 | -5.60 | | | Vishaleni, U | | | 1091 | SRI | 1.00 | 1 | 0.30 | 40 | 12.00 | | | Dissanayaka, D A K N R | | | 1036 | SRI | 0.50 | 1 | -0.26 | 40 | -10.40 | | | Tharanga, R A R | | | 1027 | SRI | 1.00 | 1 | 0.23 | 40 | 9.20 | |
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) | | | | Colombo District Youth Chess Championships 2023 - Under 14 | Dehiwala | SRI | 2023-01-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1116 | 1240 | 3.00 | 3 | 1.01 | 40 | 40.40 | |
| | Preena , M Thariq | | | 1021 | SRI | 1.00 | 1 | 0.22 | 40 | 8.80 | | | Jayasinghe, Bonuka Minketh Si | | | 1210 | SRI | 1.00 | 1 | 0.46 | 40 | 18.40 | | | Suraweera, Shanul Nethru | | | 1118 | SRI | 1.00 | 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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