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Individual Calculations December 2012 |
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| De Guzman, Ricardo Total change: 6.30 | |   |
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| 2012 East Bay Open | Concord, California | USA | 2012-11-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2213 | 2394 | 1.50 | 2 | 0.07 | 10 | 0.70 | |
|  Chow, Colin | | | 2072 | USA | 1.00 | 1 | 0.13 | 10 | 1.30 | |  Kaufman, Ray | m | | 2353 | USA | 0.50 | 1 | -0.06 | 10 | -0.60 | |
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 |
| 2257 | 2394 | 2.50 | 3 | 0.56 | 10 | 5.60 | |
| | Banik, Siddharth G | | | 1994 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Zilberstein, Dmitry | m | | 2402 | USA | 1.00 | 1 | 0.51 | 10 | 5.10 | | | Aleskerov, Faik | | | 2375 | AZE | 0.50 | 1 | -0.03 | 10 | -0.30 | | | * 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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