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Individual Calculations July 2013 |
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| Barsky, Sam Alex Total change: -1.65 | |   |
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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 |
| 2006 | 1984 | 2.00 | 3 | 0.59 | 15 | 8.85 | |
|  Wang, Yuan | | | 1940 | USA | 1.00 | 1 | 0.44 | 15 | 6.60 | |  Hall, Bill | | | 2022 | USA | 1.00 | 1 | 0.55 | 15 | 8.25 | | | Treiman, Scott | | | 2056 | USA | 0.00 | 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) | | | | 6th New York International - U2200 Section | New York, New York | USA | 2013-06-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1836 | 1984 | 0.00 | 1 | -0.70 | 15 | -10.50 | |
| | Kostovetsky, Daniel | | | 1836 | USA | 0.00 | 1 | -0.70 | 15 | -10.50 | |
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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