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Individual Calculations May 2017 |
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| Karunaratne, Rahel Chaanakya Total change: -16.00 | |   |
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| Colombo Chess Festival 2017 | Colombo | SRI | 2017-04-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1176 | 1171 | 1.50 | 3 | -0.05 | 40 | -2.00 | |
|  Thewanjith, M D Movindu | | | 1014 | SRI | 1.00 | 1 | 0.29 | 40 | 11.60 | | | Perera, Thilina | | | 1498 | SRI | 0.00 | 1 | -0.13 | 40 | -5.20 | |  Hemachandra, D K S Sethmika | | | 1017 | SRI | 0.50 | 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) | | | | National Youth Chess Championship 2017 - Under 10 Boys | Colombo | SRI | 2017-04-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1108 | 1171 | 2.00 | 4 | -0.35 | 40 | -14.00 | |
| | Saravanabaavan, Brijeash | | | 1071 | SRI | 0.50 | 1 | -0.14 | 40 | -5.60 | | | Thennakoon, Disara | | | 1109 | SRI | 1.00 | 1 | 0.41 | 40 | 16.40 | | | Ekanayake, D S | | | 1128 | SRI | 0.50 | 1 | -0.06 | 40 | -2.40 | | | Dineth, S A Induwara | | | 1125 | SRI | 0.00 | 1 | -0.56 | 40 | -22.40 | |
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) | | |
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