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Individual Calculations August 2012 |
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| Yedidia, Jonathan Total change: 6.00 | |   |
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| 2012 Nashua Open | Nashua, New Hampshire | USA | 2012-07-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2147 | 2374 | 3.00 | 4 | -0.08 | 10 | -0.80 | |
|  Castaneda, Andres | | | 2145 | USA | 1.00 | 1 | 0.21 | 10 | 2.10 | |  Resika, Nathan | f | | 2156 | USA | 1.00 | 1 | 0.22 | 10 | 2.20 | | | Fang, Joseph H | m | | 2311 | USA | 0.00 | 1 | -0.59 | 10 | -5.90 | | | Cousins, Robert P | | | 1974 * | 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) | | | | 2012 Boylston Chess Foundation Master Challenge | Boylston, Massachusetts | USA | 2012-07-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2296 | 2374 | 2.50 | 3 | 0.68 | 10 | 6.80 | |
| | Cherniack, Alex | | | 2259 | USA | 1.00 | 1 | 0.34 | 10 | 3.40 | | | Chase, Christopher | f | | 2314 | USA | 0.50 | 1 | -0.08 | 10 | -0.80 | | | Chase, Christopher | f | | 2314 | USA | 1.00 | 1 | 0.42 | 10 | 4.20 | |
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) | | |
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