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Individual Calculations March 2013 |
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| Kalavannan, Koby Total change: -4.35 | |   |
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| Imperial College Congress Major Feb 2013 | London | ENG | 2013-02-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1761 | 1663 | 1.00 | 3 | -0.12 | 15 | -1.80 | |
|  Fenwick, Hugh | | | 1888 | ENG | 0.00 | 1 | -0.22 | 15 | -3.30 | |  Mitchell, Robert S. | | | 1717 | NZL | 0.00 | 1 | -0.42 | 15 | -6.30 | | | Chellappah, Kuhan | | | 1678 | ENG | 1.00 | 1 | 0.52 | 15 | 7.80 | |
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) | | | | UK Chess Academy 1st weekend U2000 | London | ENG | 2013-02-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1617 | 1663 | 0.00 | 1 | -0.56 | 15 | -8.40 | |
| | Foster, Timothy | | | 1617 | ENG | 0.00 | 1 | -0.56 | 15 | -8.40 | |
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) | | | | e2e4 Brighton International Challengers Feb 2013 | Brighton | ENG | 2013-02-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1843 | 1663 | 2.00 | 6 | 0.39 | 15 | 5.85 | |
| | Truman, Richard G | | | 1929 | ENG | 0.50 | 1 | 0.32 | 15 | 4.80 | | | Tarhon, Brian | | | 1840 | ENG | 0.00 | 1 | -0.27 | 15 | -4.05 | | | Pein, Jonathan | | | 1836 | ENG | 1.00 | 1 | 0.73 | 15 | 10.95 | | | Hoare, Amy B | | | 1870 | ENG | 0.50 | 1 | 0.27 | 15 | 4.05 | | | Gupta, Arul | | | 1761 | ENG | 0.00 | 1 | -0.37 | 15 | -5.55 | | | Kalaiyalahan, Akshaya | | | 1821 | ENG | 0.00 | 1 | -0.29 | 15 | -4.35 | |
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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