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Individual Calculations July 2011 |
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| Paitrick, Derek Ri Total change: -28.75 | |   |
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| 20th Annual Chicago Open | Wheeling, Illinois | USA | 2011-05-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2111 | 2122 | 2.00 | 6 | -1.15 | 25 | -28.75 | |
|  Itkin, David | | | 1952 | CAN | 1.00 | 1 | 0.28 | 25 | 7.00 | |  Santarius, Erik | | | 2274 | USA | 0.00 | 1 | -0.30 | 25 | -7.50 | | | Romanenko, Vladimir | m | | 2467 | BLR | 0.00 | 1 | -0.11 | 25 | -2.75 | | | Weiner, Zachary J | | | 1997 | USA | 0.00 | 1 | -0.67 | 25 | -16.75 | | | Hollinberger, Drew | | | 2016 | USA | 0.50 | 1 | -0.14 | 25 | -3.50 | | | Chiang, Sarah | | wc | 1962 | USA | 0.50 | 1 | -0.21 | 25 | -5.25 | |
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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