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Individual Calculations January 2010 |
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| Rittick, Purakait Total change: -13.10 | |   |
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| 21st The Telegraph SCHOOLS' CHESS CHAMPIONSHIP 2009 | Gorky Sadan, Kolkata, India | IND | 2009-12-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1929 | 1540 | 0.00 | 2 | -0.17 | 25 | -4.25 | |
|  Satyajit, Kundu | | | 1940 * | IND | 0.00 | 1 | -0.08 | 25 | -2.00 | |  Dhee, Sankar | | | 1918 | IND | 0.00 | 1 | -0.09 | 25 | -2.25 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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) | | | NOTE: K factor changed | | 23rd National Under-13 Open Chess Championship | New Delhi, India | IND | 2009-12-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1848 | 1540 | 0.00 | 4 | -0.59 | 15 | -8.85 | |
| | Prince, Bajaj | c | | 1940 * | IND | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Aditya, Chakraborty | | | 1918 | IND | 0.00 | 1 | -0.09 | 15 | -1.35 | | | Rahul Dev, Das | | | 1786 | IND | 0.00 | 1 | -0.19 | 15 | -2.85 | | | Subramanian, R M | | | 1749 | IND | 0.00 | 1 | -0.23 | 15 | -3.45 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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