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Individual Calculations January 2009 |
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| Ryba, Nicholas A Total change: 86.75 | |   |
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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 | 6.50 | 10 | 2.08 | 25 | 52.00 | |
|  Lawson, Brian | | | 2108 | USA | 0.50 | 1 | 0.13 | 25 | 3.25 | |  Ryba, Andrew A | | | 2014 | USA | 0.00 | 1 | -0.50 | 25 | -12.50 | | | Frumkin, Edward A | | | 2049 | USA | 0.50 | 1 | 0.05 | 25 | 1.25 | | | Tamarkin, Lawrence | | | 2150 | USA | 0.50 | 1 | 0.18 | 25 | 4.50 | | | Muwwakkil, Mulazim | | | 1966 | USA | 1.00 | 1 | 0.43 | 25 | 10.75 | | | Lawson, Brian | | | 2108 | USA | 1.00 | 1 | 0.63 | 25 | 15.75 | | | Ryba, Andrew A | | | 2014 | USA | 1.00 | 1 | 0.50 | 25 | 12.50 | | | Frumkin, Edward A | | | 2049 | USA | 0.50 | 1 | 0.05 | 25 | 1.25 | | | Tamarkin, Lawrence | | | 2150 | USA | 0.50 | 1 | 0.18 | 25 | 4.50 | | | Muwwakkil, Mulazim | | | 1966 | USA | 1.00 | 1 | 0.43 | 25 | 10.75 | |
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 |
| 2173 | 2014 | 3.50 | 7 | 1.39 | 25 | 34.75 | |
| | Chernin, Oliver | | | 2150 | USA | 1.00 | 1 | 0.68 | 25 | 17.00 | | | Rabin, Evan Z | | | 2027 | USA | 1.00 | 1 | 0.52 | 25 | 13.00 | | | Zhao, Parker B | | | 2317 | USA | 0.50 | 1 | 0.36 | 25 | 9.00 | | | Figler, Ilye | f | | 2322 | USA | 0.50 | 1 | 0.36 | 25 | 9.00 | | | Hulse, Brian | | | 2224 | USA | 0.00 | 1 | -0.23 | 25 | -5.75 | | | Gaillard, Edward A | | | 2153 | USA | 0.00 | 1 | -0.31 | 25 | -7.75 | | | Tuhrim, Richard | | | 2020 | USA | 0.50 | 1 | 0.01 | 25 | 0.25 | |
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) | | |
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