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Individual Calculations February 2013 |
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| Sonowal, Aryan Total change: 21.30 | |   |
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| 5th HDCA FIDE Rated International Open Chess Tournament (Below 2000) | Kolkata | IND | 2012-12-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1579 | 1416 | 2.50 | 6 | 0.71 | 30 | 21.30 | |
|  Chandan Kumar Prasad, (jharkhand | | | 1650 | IND | 0.50 | 1 | 0.29 | 30 | 8.70 | |  Sanjib, Chatterjee | | | 1638 | IND | 0.00 | 1 | -0.22 | 30 | -6.60 | | | Apurba, Chakraborty | | | 1605 | IND | 1.00 | 1 | 0.75 | 30 | 22.50 | | | Chandreyee, Hajra | | | 1703 | IND | 0.00 | 1 | -0.16 | 30 | -4.80 | | | Goutam, Das | | | 1658 | IND | 0.00 | 1 | -0.20 | 30 | -6.00 | | | Santu, Mitra | | | 1221 | IND | 1.00 | 1 | 0.25 | 30 | 7.50 | |
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) | | | | 2nd CCF ALL INDIA FIDE RATED CHESS TOURNAMENT (BELOW 2000) | Kolkata | IND | 2012-12-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1610 | 1416 | 1.00 | 4 | 0.00 | 30 | 0.00 | |
| | Nilanta, Chanda | | | 1586 | IND | 1.00 | 1 | 0.72 | 30 | 21.60 | | | Manas, Sen | | | 1664 | IND | 0.00 | 1 | -0.19 | 30 | -5.70 | | | Swapan, Kumar Das | | | 1626 | IND | 0.00 | 1 | -0.23 | 30 | -6.90 | | | Sayantan, Chandra | | | 1562 | IND | 0.00 | 1 | -0.30 | 30 | -9.00 | |
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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