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Individual Calculations January 2015 |
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| Henderson Jr, S E Total change: -55.60 | |   |
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| 2014 Chess - IQ December Plus Score Open | Skokie, Illinois | USA | 2014-12-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1784 | 1778 | 1.00 | 4 | -0.96 | 40 | -38.40 | |
|  Coffman, Charles Z | | | 1822 | USA | 0.00 | 1 | -0.44 | 40 | -17.60 | |  Mangalam, Shreya B | | | 1669 | USA | 0.00 | 1 | -0.65 | 40 | -26.00 | | | Smythe, Bill | | | 1811 | USA | 1.00 | 1 | 0.55 | 40 | 22.00 | | | Richmond, M Barrie | | | 1833 | USA | 0.00 | 1 | -0.42 | 40 | -16.80 | |
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) | | | | 2014 Chess - IQ December Quads II | Skokie, Illinois | USA | 2014-12-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1825 | 1778 | 0.00 | 1 | -0.43 | 40 | -17.20 | |
| | Richardson, Ryan | | | 1825 | USA | 0.00 | 1 | -0.43 | 40 | -17.20 | |
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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