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Individual Calculations January 2010 |
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| Sarkar, Arna Total change: -6.60 | |   |
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| 26th Natioanl Sub-Junior (Under 15) Girls Chess Championship 2009 | Andheri Sports Complex, Mumbai, India | IND | 2009-11-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1812 | 1631 | 1.00 | 4 | -0.09 | 15 | -1.35 | |
|  Supriya, Joshi | | | 1865 | IND | 0.50 | 1 | 0.29 | 15 | 4.35 | |  Sahari, J | | | 1909 | IND | 0.00 | 1 | -0.17 | 15 | -2.55 | | | Krushna, Mishra | | | 1679 | IND | 0.50 | 1 | 0.07 | 15 | 1.05 | | | Sunyasakta, Satpathy | | | 1795 | IND | 0.00 | 1 | -0.28 | 15 | -4.20 | |
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) | | | | 21st The Telegraph SCHOOLS' CHESS CHAMPIONSHIP 2009 | Gorky Sadan, Kolkata, India | IND | 2009-12-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1903 | 1631 | 0.00 | 2 | -0.35 | 15 | -5.25 | |
| | Dhee, Sankar | | | 1918 | IND | 0.00 | 1 | -0.16 | 15 | -2.40 | | | Saurabh, Mandal | | | 1887 | IND | 0.00 | 1 | -0.19 | 15 | -2.85 | |
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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