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Individual Calculations May 2017 |
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| Rodrigo, I Vihanga Mithsara Total change: -67.20 | |   |
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| Colombo Chess Festival 2017 | Colombo | SRI | 2017-04-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1190 | 1041 | 0.00 | 3 | -0.91 | 40 | -36.40 | |
|  Bentharaarachchi, Vinuga Ometh | | | 1218 | SRI | 0.00 | 1 | -0.27 | 40 | -10.80 | | | Samarakoon, S M T Induwara | | | 1183 | SRI | 0.00 | 1 | -0.31 | 40 | -12.40 | | | Pasqual, Siluni | | | 1168 | SRI | 0.00 | 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) | | | | National Youth Chess Championship 2017 - Under 12 Boys | Colombo | SRI | 2017-04-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1251 | 1041 | 0.00 | 3 | -0.77 | 40 | -30.80 | |
| | Piyumantha, M Thisal Manjith | | | 1441 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Samaraweera, Dimuth Indeepa | | | 1170 | SRI | 0.00 | 1 | -0.33 | 40 | -13.20 | | | Arunakirinathan, Aruthran | | | 1141 | SRI | 0.00 | 1 | -0.36 | 40 | -14.40 | | | * 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) | | |
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