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Individual Calculations January 2009 |
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| Ryba, Andrew A Total change: 35.25 | |   |
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| 11th Queens Club Futurity | Jamaica, New York | USA | 2008-07-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2057 | 2014 | 6.00 | 10 | 1.58 | 25 | 39.50 | |
|  Muwwakkil, Mulazim | | | 1966 | USA | 1.00 | 1 | 0.43 | 25 | 10.75 | | | Ryba, Nicholas A | | | 2014 | USA | 1.00 | 1 | 0.50 | 25 | 12.50 | |  Tamarkin, Lawrence | | | 2150 | USA | 0.50 | 1 | 0.18 | 25 | 4.50 | | | Lawson, Brian | | | 2108 | USA | 0.00 | 1 | -0.37 | 25 | -9.25 | | | Frumkin, Edward A | | | 2049 | USA | 0.50 | 1 | 0.05 | 25 | 1.25 | | | Muwwakkil, Mulazim | | | 1966 | USA | 1.00 | 1 | 0.43 | 25 | 10.75 | | | Ryba, Nicholas A | | | 2014 | USA | 0.00 | 1 | -0.50 | 25 | -12.50 | | | Tamarkin, Lawrence | | | 2150 | USA | 0.50 | 1 | 0.18 | 25 | 4.50 | | | Lawson, Brian | | | 2108 | USA | 1.00 | 1 | 0.63 | 25 | 15.75 | | | Frumkin, Edward A | | | 2049 | USA | 0.50 | 1 | 0.05 | 25 | 1.25 | |
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) | | | | Edward Lasker Memorial and 92nd Annual Marshall Chess Club Championship | New York, New York | USA | 2008-10-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2102 | 2014 | 2.50 | 7 | -0.17 | 25 | -4.25 | |
| | Szuper, Paul | | | 2168 | USA | 0.00 | 1 | -0.29 | 25 | -7.25 | | | Frumkin, Edward A | | | 2031 | USA | 0.50 | 1 | 0.02 | 25 | 0.50 | | | Rabin, Evan Z | | | 2027 | USA | 0.50 | 1 | 0.02 | 25 | 0.50 | | | Rosenberg, Evan S | | | 2182 | USA | 0.50 | 1 | 0.22 | 25 | 5.50 | | | Sturt, Raven M | | | 2055 | USA | 0.00 | 1 | -0.44 | 25 | -11.00 | | | Berg, George P | | | 2100 | USA | 0.50 | 1 | 0.12 | 25 | 3.00 | | | Tamarkin, Lawrence S | | | 2150 | USA | 0.50 | 1 | 0.18 | 25 | 4.50 | |
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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