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Individual Calculations February 2020 |
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| Ovitigala, Chenitha Mithvidu Total change: 10.00 | |   |
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| Sri Lanka National Youth Chess Championship 2019 - Under 9 years | Colombo | SRI | 2019-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1058 | 1024 | 1.00 | 2 | 0.09 | 40 | 3.60 | |
|  Pannila, P L S D | | | 1006 | SRI | 1.00 | 1 | 0.47 | 40 | 18.80 | |  Nimthaka, U J Nimuthu | | | 1110 | SRI | 0.00 | 1 | -0.38 | 40 | -15.20 | |
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 2020 | Kaluthara | SRI | 2020-01-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1256 | 1024 | 1.00 | 4 | 0.16 | 40 | 6.40 | |
| | Maithripala, W D P N | | | 1340 | SRI | 0.00 | 1 | -0.13 | 40 | -5.20 | | | Rathnayaka, Minaga Yethmin | | | 1253 | SRI | 0.50 | 1 | 0.29 | 40 | 11.60 | | | Wickramaarachchi, Nayanaka Insara | | | 1214 | SRI | 0.50 | 1 | 0.25 | 40 | 10.00 | | | Lavanga, D Binuka | | | 1215 | SRI | 0.00 | 1 | -0.25 | 40 | -10.00 | |
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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