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Individual Calculations July 2011 |
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| Gurczak, John Total change: -6.90 | |   |
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| 20th Annual Chicago Open | Wheeling, Illinois | USA | 2011-05-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2180 | 2121 | 3.50 | 9 | -0.46 | 15 | -6.90 | |
|  Gatica, Jose M | | | 1937 | USA | 1.00 | 1 | 0.26 | 15 | 3.90 | |  Boor, Carl Brandon | f | | 2268 | USA | 1.00 | 1 | 0.70 | 15 | 10.50 | | | Gerzhoy, Leonid | m | | 2496 | CAN | 0.00 | 1 | -0.09 | 15 | -1.35 | | | Gurevich, Dmitry | g | | 2476 | USA | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Betaneli, Alex | f | | 2265 | USA | 0.00 | 1 | -0.31 | 15 | -4.65 | | | Mayers, Dan E | | | 1964 | USA | 0.50 | 1 | -0.21 | 15 | -3.15 | | | Norovsambuu, Badamkhand | | | 1854 | MGL | 1.00 | 1 | 0.18 | 15 | 2.70 | | | Mandizha, Farai | f | | 2395 | ZIM | 0.00 | 1 | -0.17 | 15 | -2.55 | | | Auger, Michael W | | | 1965 | USA | 0.00 | 1 | -0.71 | 15 | -10.65 | |
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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