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Individual Calculations July 2009 |
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| Apurba, Kumar Das Total change: 3.00 | |   |
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| 32ND ALL ASSAM CHESS CHAMPIONSHIP | Hojai, Assam , India | IND | 2009-05-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1934 | 1875 | 1.00 | 2 | 0.12 | 25 | 3.00 | |
|  Boruah, Utpal | | | 2130 | IND | 0.00 | 1 | -0.19 | 25 | -4.75 | | | Indranil, Talukdar | | | 1737 | IND | 1.00 | 1 | 0.31 | 25 | 7.75 | |
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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