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Individual Calculations May 2011 |
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| Rozovsky, Daniel Total change: 12.15 | |   |
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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 |
| 2064 | 2097 | 1.50 | 2 | 0.42 | 15 | 6.30 | |
|  Radomskyj, Peter | | | 2207 | USA | 0.50 | 1 | 0.15 | 15 | 2.25 | |  Ventura, Christopher | | | 1920 | USA | 1.00 | 1 | 0.27 | 15 | 4.05 | |
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) | | | | 20th Annual Eastern Class Championships | Sturbridge, Massachusetts | USA | 2011-03-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2270 | 2086 | 0.50 | 3 | -0.34 | 15 | -5.10 | |
| | Fedorowicz, John P | g | | 2444 | USA | 0.00 | 1 | -0.10 | 15 | -1.50 | | | Cherniack, Alex | | | 2243 | USA | 0.00 | 1 | -0.29 | 15 | -4.35 | | | Smarty, Sylvester | | | 2123 | USA | 0.50 | 1 | 0.05 | 15 | 0.75 | |
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) | | | | 2nd Annual Hartford Open | Windsor Locks, Connecticut | USA | 2011-04-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2412 | 2086 | 1.00 | 2 | 0.73 | 15 | 10.95 | |
| | Dominguez, Jose | m | | 2338 | DOM | 1.00 | 1 | 0.81 | 15 | 12.15 | | | Kudrin, Sergey | g | | 2486 * | USA | 0.00 | 1 | -0.08 | 15 | -1.20 | | | * 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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