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Individual Calculations March 2012 |
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| Zhu, Jack Qijie Total change: 27.45 | |   |
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| 21st Annual North American Open - U2300 Section | Las Vegas, Nevada | USA | 2011-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2155 | 1996 | 2.00 | 4 | 0.82 | 30 | 24.60 | |
|  Anderson, Renard W | f | | 2228 | USA | 0.00 | 1 | -0.21 | 30 | -6.30 | |  Rubinstein-Salzedo, Simon | | | 2031 | USA | 1.00 | 1 | 0.55 | 30 | 16.50 | | | Formanek, Edward W | m | | 2184 | USA | 0.00 | 1 | -0.26 | 30 | -7.80 | | | Peschel, Andreas | | | 2176 | GER | 1.00 | 1 | 0.74 | 30 | 22.20 | |
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) | | | | 3rd Annual Golden State Open | Concord, California | USA | 2012-01-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2047 | 1996 | 1.50 | 3 | 0.20 | 30 | 6.00 | |
| | Sevian, Samuel | | | 2185 | USA | 0.00 | 1 | -0.25 | 30 | -7.50 | | | Rabin, Evan Z | | | 2035 | USA | 1.00 | 1 | 0.55 | 30 | 16.50 | | | Beilin, Allan | | | 1922 | USA | 0.50 | 1 | -0.10 | 30 | -3.00 | |
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) | | | NOTE: K factor changed | | 29th Annual US Amateur Team Championship West | Santa Clara, California | USA | 2012-02-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2205 | 1996 | 0.50 | 3 | -0.21 | 15 | -3.15 | |
| | Cunningham, Robin | f | | 2295 | USA | 0.50 | 1 | 0.35 | 15 | 5.25 | | | Sevian, Samuel | | | 2185 | USA | 0.00 | 1 | -0.25 | 15 | -3.75 | | | Heiserman, Jimmy P | | | 2136 | USA | 0.00 | 1 | -0.31 | 15 | -4.65 | |
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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