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Individual Calculations July 2012 |
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| Sachs, Derek D Total change: 20.40 | |   |
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| 21st Annual Chicago Open - U2300 Section | Wheeling, Illinois | USA | 2012-05-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2110 | 1960 | 2.50 | 6 | 0.68 | 30 | 20.40 | |
|  Bowersock, Michael | | | 2043 | USA | 0.50 | 1 | 0.11 | 30 | 3.30 | |  Bora, Safal | | | 2097 | USA | 1.00 | 1 | 0.68 | 30 | 20.40 | | | Sohal, Tanraj S | | | 2106 | CAN | 0.00 | 1 | -0.30 | 30 | -9.00 | | | Velikanov, Alexander | | | 2157 | USA | 0.50 | 1 | 0.25 | 30 | 7.50 | | | Kudryavtsev, Vadim | | | 2142 | RUS | 0.00 | 1 | -0.26 | 30 | -7.80 | | | Yim, Tony Sung | | | 2112 | KOR | 0.50 | 1 | 0.20 | 30 | 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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