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Individual Calculations July 2013 |
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| Gurczak, John A Total change: -10.65 | |   |
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| 2013 National Open - U2200 Section | Las Vegas, Nevada | USA | 2013-06-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2020 | 2095 | 0.50 | 2 | -0.71 | 15 | -10.65 | |
|  Zaloznyy, Mike Y | | | 1986 | USA | 0.50 | 1 | -0.15 | 15 | -2.25 | | | Lebovitz, Andrew E | | | 2053 | USA | 0.00 | 1 | -0.56 | 15 | -8.40 | |
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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