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Individual Calculations February 2013 |
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| Hall, Bobby J Total change: 3.75 | |   |
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| 2013 Century West Open | Los Angeles, California | USA | 2013-01-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1971 | 2032 | 2.00 | 3 | 0.25 | 15 | 3.75 | |
|  Nita, Marian N | | | 2108 | USA | 0.50 | 1 | 0.10 | 15 | 1.50 | |  Latib, Tameez | | | 1841 | RSA | 0.50 | 1 | -0.25 | 15 | -3.75 | | | Cherkasky, Dmitry | | | 1963 | ISR | 1.00 | 1 | 0.40 | 15 | 6.00 | |
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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