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Individual Calculations January 2011 |
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| Chernin, Oliver Total change: 20.25 | |   |
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| 2010 Marshall Chess Club Championship | New York, New York | USA | 2010-10-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2225 | 2138 | 4.50 | 8 | 1.32 | 15 | 19.80 | |
|  Pressman, Leif A | | | 2116 | USA | 0.50 | 1 | -0.03 | 15 | -0.45 | |  Bonin, Jay R | m | | 2317 | USA | 0.50 | 1 | 0.23 | 15 | 3.45 | | | Ostrovskiy, Aleksandr | c | | 2243 | USA | 1.00 | 1 | 0.64 | 15 | 9.60 | | | Kudrin, Sergey | g | | 2538 * | USA | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Treger, Yefim | | | 2194 | USA | 1.00 | 1 | 0.58 | 15 | 8.70 | | | Sena, Juan | | | 2159 | DOM | 0.00 | 1 | -0.47 | 15 | -7.05 | | | Hulse, Brian | f | | 2202 | USA | 0.50 | 1 | 0.09 | 15 | 1.35 | | | Tom, George | | | 2034 | USA | 1.00 | 1 | 0.36 | 15 | 5.40 | | | * 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) | | | | 17th Annual Eastern Chess Congress | Stamford, Connecticut | USA | 2010-11-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2151 | 2138 | 2.00 | 4 | 0.03 | 15 | 0.45 | |
| | Winter, Curtis A | | | 1884 | USA | 1.00 | 1 | 0.19 | 15 | 2.85 | | | Zaitchik, Gennady | g | | 2461 | USA | 0.00 | 1 | -0.13 | 15 | -1.95 | | | Katz, Benjamin | | | 2111 | USA | 1.00 | 1 | 0.46 | 15 | 6.90 | | | Marshall, Abby | | wf | 2146 | USA | 0.00 | 1 | -0.49 | 15 | -7.35 | |
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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