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Individual Calculations February 2018 |
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| Bentharaarachchi, Vinuga Ometh Total change: -37.20 | |   |
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| 2nd SSC Open International Rating Chess Tournament 2017 | Matara | SRI | 2017-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1300 | 1333 | 3.00 | 6 | -0.39 | 40 | -15.60 | |
|  De Avis, Tharun Anjalo | | | 1068 | SRI | 1.00 | 1 | 0.18 | 40 | 7.20 | |  Sandamith, W M | | | 1733 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | De Silva, L Nemith Semuthu | | | 1087 | SRI | 0.50 | 1 | -0.31 | 40 | -12.40 | | | Vidumini, N V V | | | 1038 | SRI | 0.50 | 1 | -0.35 | 40 | -14.00 | | | De Silva, Wijemuni Yomesh Laksha | | | 1143 | SRI | 1.00 | 1 | 0.25 | 40 | 10.00 | | | Lasitha, Subash | c | | 1733 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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 Chess Championship 2017 and 2018 Under - 13 years | Colombo | SRI | 2017-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1105 | 1333 | 5.00 | 8 | -1.30 | 40 | -52.00 | |
| | Indisa, E M Tiran | | | 1085 | SRI | 1.00 | 1 | 0.19 | 40 | 7.60 | | | Morais, Sanithu Leander Pamudith | | | 1186 | SRI | 0.00 | 1 | -0.70 | 40 | -28.00 | | | Gamage, Liviru Hansana | | | 1071 | SRI | 0.50 | 1 | -0.32 | 40 | -12.80 | | | Pabasara, G G Mithila | | | 1082 | SRI | 1.00 | 1 | 0.19 | 40 | 7.60 | | | Withana, Vidun Manmitha | | | 1124 | SRI | 0.00 | 1 | -0.77 | 40 | -30.80 | | | Wathudura, Milinda Danujaya | | | 1073 | SRI | 1.00 | 1 | 0.18 | 40 | 7.20 | | | Liyanage, R L C Sasmitha | | | 1116 | SRI | 0.50 | 1 | -0.28 | 40 | -11.20 | | | Liyanage, Kusalvin | | | 1100 | SRI | 1.00 | 1 | 0.21 | 40 | 8.40 | |
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) | | | | 22nd Battle of the Kings Inter School Team Chess Championship 2018 | Colombo | SRI | 2018-01-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1258 | 1333 | 2.50 | 3 | 0.76 | 40 | 30.40 | |
| | Silva, K C Kaushitha | | | 1466 | SRI | 1.00 | 1 | 0.68 | 40 | 27.20 | | | Dissanayake, V R Sadun Madushank | | | 1296 | SRI | 0.50 | 1 | -0.05 | 40 | -2.00 | | | Fonseka, T A Sheanuth | | | 1012 | SRI | 1.00 | 1 | 0.13 | 40 | 5.20 | |
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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