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Individual Calculations December 2017 |
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| Engelen, Mark S Total change: 20.40 | |   |
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| 2017 Illinois Senior State Championship | Schaumburg, Illinois | USA | 2017-11-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1919 | 1696 | 1.50 | 4 | 0.51 | 40 | 20.40 | |
|  Szpisjak, Steven | | | 2062 | USA | 0.00 | 1 | -0.10 | 40 | -4.00 | |  Condron, James | | | 1925 | USA | 0.50 | 1 | 0.29 | 40 | 11.60 | | | Delay, Joe | | | 1653 | USA | 1.00 | 1 | 0.44 | 40 | 17.60 | | | Ancheta, Rene | | | 2036 | USA | 0.00 | 1 | -0.12 | 40 | -4.80 | |
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) | | |
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