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Individual Calculations May 2012 |
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| Tribuwan, T W Helik Total change: -23.70 | |   |
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| National Youth Chess Championship 2012 Under 18 Open | Colombo | SRI | 2012-04-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1825 | 1732 | 1.50 | 4 | 0.00 | 30 | 0.00 | |
|  Lamahewa, C | | | 1853 | SRI | 1.00 | 1 | 0.66 | 30 | 19.80 | | | Ranasinghe, S D | | wm | 1913 | SRI | 0.00 | 1 | -0.26 | 30 | -7.80 | |  Weerasinghe, Nadun Thathsara | | | 1743 | SRI | 0.50 | 1 | 0.02 | 30 | 0.60 | | | Samaranayake, K P R N | | | 1792 | SRI | 0.00 | 1 | -0.42 | 30 | -12.60 | |
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) | | | | 2nd Dhamso International Chess Festival | Ambalangoda | SRI | 2012-04-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1916 | 1732 | 0.00 | 3 | -0.79 | 30 | -23.70 | |
| | De Moraes, Shamine | | | 1859 | SRI | 0.00 | 1 | -0.33 | 30 | -9.90 | | | Mendis, W G Chinthaka | | | 1935 | SRI | 0.00 | 1 | -0.24 | 30 | -7.20 | | | Saranga, N C O | | | 1954 | SRI | 0.00 | 1 | -0.22 | 30 | -6.60 | |
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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