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Individual Calculations December 2012 |
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| Kaufman, Ray Total change: -7.80 | |   |
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| 2012 East Bay Open | Concord, California | USA | 2012-11-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2253 | 2353 | 1.50 | 2 | 0.26 | 15 | 3.90 | |
|  De Guzman, Ricardo | m | | 2394 | PHI | 0.50 | 1 | 0.06 | 15 | 0.90 | |  Viswanadha, Kesav | | | 2111 | USA | 1.00 | 1 | 0.20 | 15 | 3.00 | |
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) | | | | 2012 California Class Championship | Santa Clara, California | USA | 2012-11-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2109 | 2353 | 1.50 | 3 | -0.78 | 15 | -11.70 | |
| | Aleskerov, Faik | | | 2375 | AZE | 0.00 | 1 | -0.47 | 15 | -7.05 | | | Richter, Paul | | | 1953 * | USA | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Beilin, Allan | | | 1999 | USA | 0.50 | 1 | -0.39 | 15 | -5.85 | | | * 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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