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Individual Calculations March 2011 |
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| Zhu, Jack Qijie Total change: -53.50 | |   |
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| 2010/11 Bay Area New Year Open | Santa Clara, California | USA | 2010-12-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2033 | 2054 | 0.00 | 3 | -1.58 | 25 | -39.50 | |
|  McAkenzie, Dana N | | | 2076 | USA | 0.00 | 1 | -0.47 | 25 | -11.75 | | | Wheeler, Cameron | | | 1921 | USA | 0.00 | 1 | -0.68 | 25 | -17.00 | | | Loanzon, Arjoe | | | 2101 | USA | 0.00 | 1 | -0.43 | 25 | -10.75 | |
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) | | | | 2nd Annual Golden State Open | Concord, California | USA | 2011-01-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1940 | 2049 | 2.50 | 5 | -0.56 | 25 | -14.00 | |
| | Sandberg, Evan M | | | 2173 | USA | 0.50 | 1 | 0.17 | 25 | 4.25 | |  Perepelitsky, Edward | | | 2153 | USA | 0.00 | 1 | -0.36 | 25 | -9.00 | | | Liu, Daniel | | | 1976 | USA | 0.00 | 1 | -0.60 | 25 | -15.00 | | | Chiang, Jonathan | | | 1751 | USA | 1.00 | 1 | 0.15 | 25 | 3.75 | | | Pabon, Tony | | | 1649 * | USA | 1.00 | 1 | 0.08 | 25 | 2.00 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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