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Individual Calculations May 2012 |
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| Phelps, David B Total change: 3.45 | |   |
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| 34th Annual Marchand Open | Rochester, New York | USA | 2012-03-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2074 | 1877 | 1.00 | 3 | 0.23 | 15 | 3.45 | |
|  Davis, Lionel L | | | 2155 | USA | 0.00 | 1 | -0.17 | 15 | -2.55 | |  Luce, Eric J | | | 2123 | USA | 0.00 | 1 | -0.19 | 15 | -2.85 | | | Stubblebine, Donald | | | 1945 | USA | 1.00 | 1 | 0.59 | 15 | 8.85 | |
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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