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Individual Calculations September 2011 |
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| Friedman, Josef I Total change: 3.60 | |   |
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| 16th Annual Bradley Open | Windsor Locks, Connecticut | USA | 2011-07-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2186 | 2182 | 2.50 | 4 | 0.50 | 15 | 7.50 | |
|  Yedidia, Jonathan | m | | 2384 | USA | 0.50 | 1 | 0.26 | 15 | 3.90 | |  Prilleltensky, Matan | | | 2090 | USA | 0.50 | 1 | -0.13 | 15 | -1.95 | | | Castaneda, Andres | | | 2151 | USA | 0.50 | 1 | -0.04 | 15 | -0.60 | | | Privman, Boris | f | | 2117 | USA | 1.00 | 1 | 0.41 | 15 | 6.15 | |
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) | | | | 2011 Manhattan Open - U2300 Section | New York, New York | USA | 2011-08-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2068 | 2182 | 3.00 | 5 | -0.26 | 15 | -3.90 | |
| | Ross, Laura | | wf | 2151 | USA | 1.00 | 1 | 0.46 | 15 | 6.90 | | | Finneran, Michael | | | 2023 | USA | 0.50 | 1 | -0.21 | 15 | -3.15 | | | Chiang, Michael | | | 2062 | USA | 0.50 | 1 | -0.16 | 15 | -2.40 | | | Hinson, Miles | | | 2002 | USA | 0.00 | 1 | -0.74 | 15 | -11.10 | | | Katz, Benjamin J | | | 2104 | USA | 1.00 | 1 | 0.39 | 15 | 5.85 | |
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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