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Individual Calculations July 2011 |
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| Friedman, David Total change: -3.75 | |   |
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| Mulligan Chess Club Masters & Experts III | Worthington, Ohio | USA | 2011-05-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2132 | 1948 | 1.00 | 3 | 0.22 | 15 | 3.30 | |
|  Holliman, Bob | | | 2126 | USA | 1.00 | 1 | 0.73 | 15 | 10.95 | |  Wright, William B. | | | 2137 | USA | 0.00 | 1 | -0.25 | 15 | -3.75 | | | Luther, Ronald G. | | | 2134 | USA | 0.00 | 1 | -0.26 | 15 | -3.90 | |
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) | | | | 53rd Gem City Open | Dayton, Ohio | USA | 2011-06-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1958 | 1948 | 1.00 | 3 | -0.47 | 15 | -7.05 | |
| | Delamerced Iii, Tino | | | 1921 | USA | 0.00 | 1 | -0.54 | 15 | -8.10 | | | Criss, Nathaniel | | | 1980 | USA | 0.00 | 1 | -0.46 | 15 | -6.90 | | | Sprague, Ross | | | 1972 | USA | 1.00 | 1 | 0.53 | 15 | 7.95 | |
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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