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Individual Calculations May 2017 |
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| Rajapaksha, Sethum Damhiru Total change: -0.80 | |   |
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| National Youth Chess Championship 2017 - Under 12 Boys | Colombo | SRI | 2017-04-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1238 | 1036 | 1.00 | 4 | -0.02 | 40 | -0.80 | |
|  Gunarathne, Senila Amaneth | c | | 1420 | SRI | 0.50 | 1 | 0.41 | 40 | 16.40 | | | Gamarathne, Oneth | | | 1186 | SRI | 0.00 | 1 | -0.30 | 40 | -12.00 | | | Damsara, U G S T | | | 1165 | SRI | 0.00 | 1 | -0.33 | 40 | -13.20 | |  Thusara, H G Thoshintha | | | 1182 | SRI | 0.50 | 1 | 0.20 | 40 | 8.00 | |
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) | | |
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