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Individual Calculations July 2011 |
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| Schmakel, Sam A Total change: 77.50 | |   |
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| 20th Annual Chicago Open | Wheeling, Illinois | USA | 2011-05-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2207 | 1986 | 4.00 | 8 | 2.20 | 25 | 55.00 | |
|  Sailer, Mike | | | 2156 | USA | 1.00 | 1 | 0.72 | 25 | 18.00 | |  Bodek, Michael H | | | 2180 | USA | 0.50 | 1 | 0.25 | 25 | 6.25 | | | Adu, Oladapo Oluto | m | | 2295 | NGR | 0.00 | 1 | -0.14 | 25 | -3.50 | | | Dougherty, Michael | f | | 2207 | CAN | 0.50 | 1 | 0.28 | 25 | 7.00 | | | Perez, Robert M | | | 2239 | USA | 1.00 | 1 | 0.81 | 25 | 20.25 | | | Santarius, Erik | | | 2274 | USA | 0.00 | 1 | -0.16 | 25 | -4.00 | | | Dahl, Matthew D | | | 2133 | USA | 0.50 | 1 | 0.20 | 25 | 5.00 | | | Ding, Jialin | | | 2171 | USA | 0.50 | 1 | 0.24 | 25 | 6.00 | |
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) | | | NOTE: K factor changed | | 5th North American Amateur Open | Skokie, Illinois | USA | 2011-06-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1877 | 1986 | 4.00 | 4 | 1.50 | 15 | 22.50 | |
| | Vitkauskas, Vytaut | | | 1697 | USA | 1.00 | 1 | 0.16 | 15 | 2.40 | | | Craigmile, Charles | | | 1676 | USA | 1.00 | 1 | 0.14 | 15 | 2.10 | | | Karagianis, Petros | | | 2222 | USA | 1.00 | 1 | 0.80 | 15 | 12.00 | | | Bian, Alex | | | 1912 | USA | 1.00 | 1 | 0.40 | 15 | 6.00 | |
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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