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Individual Calculations February 2019 |
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| Wickramaarachchi, Nayanaka Insara Total change: -58.80 | |   |
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| Sri Lanka National Youth Championship 2018 - Under 11 | Colombo | SRI | 2018-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1174 | 1340 | 3.50 | 6 | -0.71 | 40 | -28.40 | |
|  Tennakoon, T M Rithil Nethmitha | | | 1028 | SRI | 1.00 | 1 | 0.14 | 40 | 5.60 | |  Thennakoon, Disara | | | 1101 | SRI | 1.00 | 1 | 0.20 | 40 | 8.00 | | | Dharmasena, W M S S B | | | 1215 | SRI | 0.50 | 1 | -0.17 | 40 | -6.80 | | | Ekanayake, D S | | | 1495 | SRI | 0.00 | 1 | -0.29 | 40 | -11.60 | | | Nimsanda, K H Savitha | | | 1160 | SRI | 0.00 | 1 | -0.74 | 40 | -29.60 | | | Bandara, K A Thinura | | | 1045 | SRI | 1.00 | 1 | 0.15 | 40 | 6.00 | |
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) | | | | 7th Kaluthara Chess Festival 2019 | Kaluthara | SRI | 2019-01-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1167 | 1340 | 3.50 | 6 | -0.76 | 40 | -30.40 | |
| | Gunathilake, M D Vinuda Shenal | | | 1051 | SRI | 0.50 | 1 | -0.34 | 40 | -13.60 | | | De Silva, M W Sanuth Nihinsa | | | 1034 | SRI | 1.00 | 1 | 0.14 | 40 | 5.60 | | | Jayawardana, Lesath Thewnija | | | 1063 | SRI | 0.00 | 1 | -0.83 | 40 | -33.20 | | | Panduka, Kumarathilaka | | | 1109 | SRI | 1.00 | 1 | 0.21 | 40 | 8.40 | | | Madusanka, L D P | | | 1629 | SRI | 0.00 | 1 | -0.16 | 40 | -6.40 | | | Adimali, Uvindu Nipunitha | | | 1116 | SRI | 1.00 | 1 | 0.22 | 40 | 8.80 | |
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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