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Individual Calculations March 2012 |
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| West, James R Total change: -1.20 | |   |
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| 2012 Marshall January Grand Prix | New York, New York | USA | 2012-01-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2141 | 2104 | 0.50 | 2 | -0.42 | 15 | -6.30 | |
|  Ostrovskiy, Aleksandr | f | | 2319 | USA | 0.00 | 1 | -0.23 | 15 | -3.45 | | | Pillai, Kadhir A | | | 1963 | USA | 0.50 | 1 | -0.19 | 15 | -2.85 | |
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) | | | | 2012 Marshall February Grand Prix | New York, New York | USA | 2012-02-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1990 | 2104 | 1.00 | 1 | 0.34 | 15 | 5.10 | |
|  Kopiecki, Edward P | | | 1990 | USA | 1.00 | 1 | 0.34 | 15 | 5.10 | |
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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