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Individual Calculations June 2023 |
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| Rodrigo, Lohas Dewmina Total change: 4.40 | |   |
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| Sri Lanka National Youth Chess Championship 2023 - Under 10Yrs Open | Colombo | SRI | 2023-04-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1128 | 1098 | 0.00 | 1 | -0.46 | 40 | -18.40 | |
|  Perumpuli, Arachchi Lithula Rave | | | 1128 | SRI | 0.00 | 1 | -0.46 | 40 | -18.40 | |
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 International Chess Festival 2023 | Colombo | SRI | 2023-05-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1363 | 1086 | 1.50 | 5 | 0.57 | 40 | 22.80 | |
| | Kulathilake, S M M P | | | 1456 | SRI | 0.00 | 1 | -0.10 | 40 | -4.00 | | | Madurawala, M G D S Shanuka | | | 1301 | SRI | 0.00 | 1 | -0.23 | 40 | -9.20 | |  Dehigaspitiya, Senidu | | | 1237 | SRI | 1.00 | 1 | 0.70 | 40 | 28.00 | | | Tharushi, T H D Niklesha | | wc | 1531 | SRI | 0.50 | 1 | 0.44 | 40 | 17.60 | | | Sathsara, E P Daham | | | 1289 | SRI | 0.00 | 1 | -0.24 | 40 | -9.60 | |
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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