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Individual Calculations February 2013 |
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| Li, Yinshi Total change: -9.90 | |   |
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| 22nd Annual North American Open - U2300 Section | Las Vegas, Nevada | USA | 2012-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2145 | 1967 | 2.00 | 6 | 0.36 | 30 | 10.80 | |
|  West, Vanessa A | | | 2106 | USA | 0.50 | 1 | 0.19 | 30 | 5.70 | |  Akopyan, Harutyun | f | | 2199 | USA | 0.00 | 1 | -0.21 | 30 | -6.30 | | | Lee, Nathan Y | | | 2139 | USA | 1.00 | 1 | 0.73 | 30 | 21.90 | | | Sen, Samir | | | 2153 | USA | 0.50 | 1 | 0.24 | 30 | 7.20 | | | Zaloznyy, Mike Y | | | 2009 | USA | 0.00 | 1 | -0.44 | 30 | -13.20 | | | Roper, David | f | | 2263 | USA | 0.00 | 1 | -0.15 | 30 | -4.50 | |
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) | | | | 2013 Hart House Winter U2200 | Toronto, Ontario | CAN | 2013-01-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1918 | 1967 | 1.00 | 3 | -0.69 | 30 | -20.70 | |
| | Yu, Jonathan | | | 1968 | CAN | 0.00 | 1 | -0.50 | 30 | -15.00 | | | Perelman, Leon | | | 2018 | CAN | 0.00 | 1 | -0.43 | 30 | -12.90 | | | Zotkin, Daniel | | | 1769 | CAN | 1.00 | 1 | 0.24 | 30 | 7.20 | |
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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