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Individual Calculations February 2013 |
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| Fedorowicz, John P Total change: -2.80 | |   |
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| 2012 Marshall Chess Club Championship | New york, New York | USA | 2012-12-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2090 | 2442 | 1.50 | 2 | -0.28 | 10 | -2.80 | |
|  Chernin, Oliver | | | 2138 | USA | 0.50 | 1 | -0.36 | 10 | -3.60 | |  Polyakin, Vladimir | | | 2042 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | * 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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