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Individual Calculations May 2011 |
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| Cohen, Harry S Total change: -5.70 | |   |
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| 2011 UMBC Open - Alvin S Mintzes Class Tournament | Baltimore, Maryland | USA | 2011-02-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2102 | 2072 | 2.00 | 4 | 0.09 | 15 | 1.35 | |
|  Sarkar, Justin | m | | 2418 | USA | 0.00 | 1 | -0.11 | 15 | -1.65 | |  Moorthy, Srinivas | | | 1913 | USA | 1.00 | 1 | 0.29 | 15 | 4.35 | | | Most, Eric M | | | 2128 | USA | 0.50 | 1 | 0.08 | 15 | 1.20 | | | Shapiro, Jon | | | 1950 | USA | 0.50 | 1 | -0.17 | 15 | -2.55 | |
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) | | | | 43rd Annual Virginia Open | McLean, Virginia | USA | 2011-03-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2071 | 2063 | 1.00 | 3 | -0.47 | 15 | -7.05 | |
| | Trower, Todd J | | | 2037 | USA | 0.50 | 1 | -0.04 | 15 | -0.60 | | | Samuelson, Andrew | | | 2174 | USA | 0.50 | 1 | 0.15 | 15 | 2.25 | | | Karell, Leif Kazuo | | | 2003 | USA | 0.00 | 1 | -0.58 | 15 | -8.70 | |
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) | | |
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