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Individual Calculations May 2011 |
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| Katz, Benjamin Total change: -11.85 | |   |
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| 2011 World Amateur Team & US Team East | Parsippany, New Jersery | USA | 2011-02-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2059 | 2119 | 2.00 | 3 | 0.26 | 15 | 3.90 | |
|  Ventura, Christopher | | | 1920 | USA | 1.00 | 1 | 0.24 | 15 | 3.60 | | | Colas, Joshua | | | 2049 | USA | 1.00 | 1 | 0.40 | 15 | 6.00 | | | Radomskyj, Peter | | | 2207 | USA | 0.00 | 1 | -0.38 | 15 | -5.70 | |
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 New York March Open | New York, New York | USA | 2011-03-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2110 | 2116 | 0.50 | 3 | -1.05 | 15 | -15.75 | |
| | Sarkar, Justin | m | | 2389 | USA | 0.00 | 1 | -0.17 | 15 | -2.55 | |  Raphael, Christopher | | | 1924 | TRI | 0.00 | 1 | -0.75 | 15 | -11.25 | | | Char, H W | | | 2018 | USA | 0.50 | 1 | -0.13 | 15 | -1.95 | |
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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