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Individual Calculations March 2011 |
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| Cohen, Ronnie Total change: -15.60 | |   |
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| Coulsdon New Year Open | Coulsdon | ENG | 2011-01-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1781 | 1940 | 1.00 | 3 | -1.04 | 15 | -15.60 | |
|  Nelson, Omowale | | | 2067 | JAM | 0.00 | 1 | -0.33 | 15 | -4.95 | | | Wasielewski, Sebastian | | | 1658 | POL | 0.00 | 1 | -0.84 | 15 | -12.60 | |  Foley, Phil T | | | 1619 | ENG | 1.00 | 1 | 0.13 | 15 | 1.95 | |
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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