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Individual Calculations January 2013 |
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| Ryba, Andrew Total change: 7.35 | |   |
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| 2012 Queens Chess Club Championship | Jamaica, New York | USA | 2012-10-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2086 | 2186 | 3.00 | 4 | 0.49 | 15 | 7.35 | |
|  Frumkin, Edward A | | | 1954 | USA | 1.00 | 1 | 0.21 | 15 | 3.15 | |  Bonin, Jay Richard | m | | 2316 | USA | 0.50 | 1 | 0.18 | 15 | 2.70 | | | Felber, Joseph J | | | 2022 | USA | 1.00 | 1 | 0.28 | 15 | 4.20 | | | Arluck, William S | | | 2052 | USA | 0.50 | 1 | -0.18 | 15 | -2.70 | |
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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