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Individual Calculations September 2010 |
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| Prilleltensky, Matan Total change: 1.65 | |   |
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| Marshall July Grand Prix | New York, New York | USA | 2010-07-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2106 | 2096 | 0.50 | 1 | 0.01 | 15 | 0.15 | |
|  Katz, Benjamin J | | | 2106 | USA | 0.50 | 1 | 0.01 | 15 | 0.15 | |
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) | | | | 15th Annual Bradley Open | Windsor Locks, Connecticut | USA | 2010-07-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2122 | 2096 | 1.50 | 3 | 0.10 | 15 | 1.50 | |
|  Castaneda, Nelson | f | | 2279 | USA | 0.50 | 1 | 0.24 | 15 | 3.60 | | | Plotkin, David A | | | 2110 | USA | 0.50 | 1 | 0.02 | 15 | 0.30 | | | Eng, Randel | | | 1977 | USA | 0.50 | 1 | -0.16 | 15 | -2.40 | |
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) | | | | 16th Annual Northeast Open | Stamford, Connecticut | USA | 2010-08-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2249 | 2096 | 1.00 | 3 | 0.00 | 15 | 0.00 | |
| | Kudrin, Sergey | g | | 2496 * | USA | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Ryba, Andrew | | | 2119 | USA | 0.50 | 1 | 0.03 | 15 | 0.45 | | | Reichstein, Boris | f | | 2133 | USA | 0.50 | 1 | 0.05 | 15 | 0.75 | | | * 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) | | |
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