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Individual Calculations November 2010 |
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| Kopiecki, Edward P Total change: -12.30 | |   |
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| 2010Marshall September Grand Prix | New York, New York | USA | 2010-09-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2139 | 2097 | 1.00 | 3 | -0.33 | 15 | -4.95 | |
|  West, James R | | | 2104 | USA | 0.50 | 1 | 0.01 | 15 | 0.15 | | | Treger, Yefim | | | 2194 | USA | 0.00 | 1 | -0.37 | 15 | -5.55 | |  Evans, Cory A | | | 2119 | USA | 0.50 | 1 | 0.03 | 15 | 0.45 | |
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) | | | | 2010 Marshall October Grand Prix | New York, New York | USA | 2010-10-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2104 | 2097 | 0.00 | 1 | -0.49 | 15 | -7.35 | |
| | West, James R | | | 2104 | USA | 0.00 | 1 | -0.49 | 15 | -7.35 | |
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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