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Individual Calculations November 2009 |
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| Shin, Kyle Total change: -2.25 | |   |
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| Max Wilkerson Tuesday Night Marathon | San Francisco, California | USA | 2009-08-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2113 | 2071 | 2.50 | 4 | 0.72 | 25 | 18.00 | |
|  Shakhnazarov, Oleg | | | 2212 | USA | 1.00 | 1 | 0.69 | 25 | 17.25 | |  Gaffagan, Steven | | | 2043 | USA | 0.50 | 1 | -0.04 | 25 | -1.00 | | | Manvelyan, Hayk | | | 2079 | USA | 0.00 | 1 | -0.49 | 25 | -12.25 | | | Fuentes, Romulo | | | 2116 | USA | 1.00 | 1 | 0.56 | 25 | 14.00 | |
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) | | | | 2009 CalChess Labor Day Championships | San Francisco, California | USA | 2009-09-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2118 | 2071 | 0.50 | 3 | -0.81 | 25 | -20.25 | |
| | Heiserman, Jimmy P | | | 2176 | USA | 0.00 | 1 | -0.36 | 25 | -9.00 | | | Sandberg, Evan | | | 2130 | USA | 0.00 | 1 | -0.42 | 25 | -10.50 | | | Harmon-Vellotti, Luke | | | 2048 | USA | 0.50 | 1 | -0.03 | 25 | -0.75 | |
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) | | |
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