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Individual Calculations February 2014 |
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| Brodsky, David Total change: 23.70 | |   |
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| 32nd Annual Empire City Open | New York, New York | USA | 2013-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2118 | 1967 | 2.50 | 6 | 0.57 | 15 | 8.55 | |
|  Prilleltensky, Matan | | | 2156 | USA | 0.00 | 1 | -0.25 | 15 | -3.75 | |  Bauza Mercere, Eduardo C | | | 1803 | ARG | 1.00 | 1 | 0.28 | 15 | 4.20 | | | Bonin, Jay Richard | m | | 2317 | USA | 0.50 | 1 | 0.39 | 15 | 5.85 | | | Tuhrim, Richard | | | 2278 | USA | 0.00 | 1 | -0.14 | 15 | -2.10 | | | Pillai, Kadhir Andres | c | | 2008 | USA | 1.00 | 1 | 0.56 | 15 | 8.40 | | | Chernin, Oliver | | | 2144 | USA | 0.00 | 1 | -0.27 | 15 | -4.05 | |
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) | | | | 2nd Annual Boston Chess Congress | Boston, Massachusetts | USA | 2014-01-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2273 | 2016 | 2.00 | 5 | 1.01 | 15 | 15.15 | |
| | Krasik, Ilya | | | 2262 | USA | 1.00 | 1 | 0.81 | 15 | 12.15 | | | Yedidia, Jonathan | m | | 2375 | USA | 0.50 | 1 | 0.40 | 15 | 6.00 | | | Vigorito, David | m | | 2411 | USA | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Bolat, Ahmet | | | 2148 | TUR | 0.00 | 1 | -0.32 | 15 | -4.80 | | | Haessler, Carl | | | 2169 | USA | 0.50 | 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) | | |
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