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Individual Calculations March 2012 |
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| Griggs, Walker K Total change: -26.40 | |   |
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| 44th Annual Liberty Bell Open - U2300 Section | Philadelphia, Pennsylvania | USA | 2012-01-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2074 | 2238 | 2.00 | 3 | -0.07 | 30 | -2.10 | |
|  Regam, Jessica | | | 1869 | USA | 1.00 | 1 | 0.10 | 30 | 3.00 | | | Treger, Yefim | | | 2194 | USA | 0.50 | 1 | -0.06 | 30 | -1.80 | | | Most, Eric M | | | 2158 | USA | 0.50 | 1 | -0.11 | 30 | -3.30 | |
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) | | | | 35th Cardinal Open | Columbus, Ohio | USA | 2012-01-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2107 | 2238 | 2.50 | 5 | -0.81 | 30 | -24.30 | |
| | Song, Edward | | | 1982 | CAN | 1.00 | 1 | 0.19 | 30 | 5.70 | |  Gurevich, Dmitry | g | | 2471 | USA | 0.00 | 1 | -0.21 | 30 | -6.30 | | | Friedman, David M | | | 1949 | USA | 1.00 | 1 | 0.16 | 30 | 4.80 | | | Bowersock, Michael | | | 2028 | USA | 0.00 | 1 | -0.77 | 30 | -23.10 | | | Bora, Safal | | | 2105 | USA | 0.50 | 1 | -0.18 | 30 | -5.40 | |
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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