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Individual Calculations August 2017 |
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| Sonthalia, Pratham Total change: -25.60 | |   |
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| Commonwealth Chess Championship 2017 Under - 8 open | New Delhi | IND | 2017-07-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1103 | 1127 | 1.50 | 4 | -0.64 | 40 | -25.60 | |
|  Gunawardana, K A D Minidu Methsa | | | 1002 | SRI | 1.00 | 1 | 0.33 | 40 | 13.20 | |  Wickramarathne, T D | c | | 1309 | SRI | 0.50 | 1 | 0.24 | 40 | 9.60 | | | Aarav, Nambiar T | | | 1019 | IND | 0.00 | 1 | -0.65 | 40 | -26.00 | | | Sujith, R S | | | 1081 | IND | 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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