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Individual Calculations February 2013 |
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| Sena, Juan Total change: -54.15 | |   |
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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 |
| 2136 | 2163 | 0.50 | 5 | -2.26 | 15 | -33.90 | |
|  Gelashvili, Tamaz | g | | 2563 * | GEO | 0.00 | 1 | -0.08 | 15 | -1.20 | |  Zats, Yefrem | | | 2050 | USA | 0.00 | 1 | -0.65 | 15 | -9.75 | | | Juac, Majur | | | 2174 | USA | 0.00 | 1 | -0.48 | 15 | -7.20 | | | Kumar, Aravind | c | | 1954 | USA | 0.50 | 1 | -0.27 | 15 | -4.05 | | | Frumkin, Edward A | | | 1941 | USA | 0.00 | 1 | -0.78 | 15 | -11.70 | | | * 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) | | | | 31st Annual Empire City Open | New York, New York | USA | 2012-12-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2070 | 2163 | 2.00 | 4 | -0.49 | 15 | -7.35 | |
| | Chen, Jasmine | | | 1983 | USA | 1.00 | 1 | 0.26 | 15 | 3.90 | | | Katz, Alexander Ross | | | 2250 | USA | 0.00 | 1 | -0.38 | 15 | -5.70 | | | Guevara, Robert N | | | 2050 | USA | 0.50 | 1 | -0.15 | 15 | -2.25 | | | Weiss, Loren E | | | 1995 | USA | 0.50 | 1 | -0.22 | 15 | -3.30 | |
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) | | | | 2013 MCC January Grand Prix | New York, New York | USA | 2013-01-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2001 | 2173 | 2.00 | 4 | -0.86 | 15 | -12.90 | |
| | Rachlin, Paul | | | 1894 | USA | 1.00 | 1 | 0.16 | 15 | 2.40 | | | Busygin, Stanislav | | | 2114 | USA | 0.00 | 1 | -0.58 | 15 | -8.70 | | | Moazami, Amir | | | 1917 | USA | 0.00 | 1 | -0.81 | 15 | -12.15 | | | Berg, George P | | | 2078 | USA | 1.00 | 1 | 0.37 | 15 | 5.55 | |
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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