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Individual Calculations September 2009 |
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| Raghunandan, K S Total change: -39.75 | |   |
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| R.M.K. Residential School 23rd National Under - 9 Open Chess Championship 2009 | Hallof Chess, Jawaharlal Nehru Stadium, Chennai, India | IND | 2009-06-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1624 | 1431 | 0.00 | 3 | -0.77 | 25 | -19.25 | |
|  Sharan, Rao | | | 1555 | IND | 0.00 | 1 | -0.33 | 25 | -8.25 | | | Abhishek, A | | | 1708 | IND | 0.00 | 1 | -0.17 | 25 | -4.25 | |  Yashashwat, Srivastava | | | 1610 | IND | 0.00 | 1 | -0.27 | 25 | -6.75 | |
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) | | | | TMPL Ranjit Patkar 23rd National Under 11 Boys Chess Championship | Shivamogga, Karnataka, India. | IND | 2009-07-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1680 | 1431 | 0.00 | 2 | -0.39 | 25 | -9.75 | |
| | Shivam, Chandak | | | 1737 | IND | 0.00 | 1 | -0.14 | 25 | -3.50 | | | Ravindra, Teja Muttineni | | | 1622 | IND | 0.00 | 1 | -0.25 | 25 | -6.25 | |
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) | | | | 1st KPK International FIDE Rated Open Chess Tournament | Sri Kamatchi Amman Kalyana Mandapam, Tirupur, Tamilnadu, India | IND | 2009-08-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1791 | 1431 | 0.00 | 4 | -0.43 | 25 | -10.75 | |
| | Kunal, M | | | 1831 * | IND | 0.00 | 1 | -0.08 | 25 | -2.00 | | | Karthikeyan, J | | | 1831 * | IND | 0.00 | 1 | -0.08 | 25 | -2.00 | | | Lakshmanan, Veeraraghavan | | | 1745 | IND | 0.00 | 1 | -0.14 | 25 | -3.50 | | | Sivakumar, P | | | 1758 | IND | 0.00 | 1 | -0.13 | 25 | -3.25 | | | * 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) | | |
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