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Individual Calculations July 2013 |
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| Tamal, Roy Choudhury Total change: 8.70 | |   |
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| 1st HDCA International FIDE Rated Schools Open Chess Tournament,2013 | Kolkata, West Bengal | IND | 2013-06-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1558 | 1460 | 1.00 | 4 | -0.50 | 15 | -7.50 | |
|  Koustav, Chatterjee | | | 1736 | IND | 0.00 | 1 | -0.17 | 15 | -2.55 | | | Soumyajit, Das | | | 1207 | IND | 1.00 | 1 | 0.19 | 15 | 2.85 | | | Vivek, Gupta | | | 1645 | IND | 0.00 | 1 | -0.26 | 15 | -3.90 | | | Sourjyendu, Malakar | | | 1642 | IND | 0.00 | 1 | -0.26 | 15 | -3.90 | |
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) | | | | 01st All India FIDE Rated below 2000 | Kolkata | IND | 2013-06-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1719 | 1460 | 2.00 | 5 | 1.08 | 15 | 16.20 | |
| | Arka, Sengupta | | | 1716 | IND | 1.00 | 1 | 0.81 | 15 | 12.15 | |  Vikash, Kumar Dwivedi | | | 1742 | IND | 0.50 | 1 | 0.34 | 15 | 5.10 | | | Arpita, Mukherjee | | wf | 1758 | IND | 0.50 | 1 | 0.35 | 15 | 5.25 | | | Avijit, Ghosh | | | 1728 | IND | 0.00 | 1 | -0.17 | 15 | -2.55 | | | Manas, Sen | | | 1651 | IND | 0.00 | 1 | -0.25 | 15 | -3.75 | |
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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