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Individual Calculations December 2013 |
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| Murphy, Richard Total change: -29.40 | |   |
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| 2013 Queens Chess Club Championship | New York, New York | USA | 2013-10-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1996 | 1992 | 0.50 | 3 | -0.98 | 30 | -29.40 | |
|  Arluck, William S | | | 2063 | USA | 0.00 | 1 | -0.40 | 30 | -12.00 | |  Frumkin, Edward A | | | 1905 | USA | 0.50 | 1 | -0.12 | 30 | -3.60 | | | Felber, Joseph J | | | 2021 | USA | 0.00 | 1 | -0.46 | 30 | -13.80 | |
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) | | |
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