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Individual Calculations April 2009 |
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| Cohen, Lawrence S Total change: -15.90 | |   |
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| Land of the Sky XXII | Ashville, North Carolina | USA | 2009-01-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2252 | 2055 | 0.00 | 3 | -0.76 | 15 | -11.40 | |
|  Taylor, Timothy W | m | | 2342 | USA | 0.00 | 1 | -0.16 | 15 | -2.40 | |  Francisco, Richard | | | 2214 | USA | 0.00 | 1 | -0.29 | 15 | -4.35 | | | Studen, Damir | | | 2200 | USA | 0.00 | 1 | -0.31 | 15 | -4.65 | |
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) | | | | 13th Annual Mid-America Open | St. Louis, Missouri | USA | 2009-03-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2234 | 2055 | 0.50 | 3 | -0.30 | 15 | -4.50 | |
| | Wasiluk, Kevin M | | | 2216 | USA | 0.50 | 1 | 0.21 | 15 | 3.15 | | | Holt, Conrad | | | 2254 | USA | 0.00 | 1 | -0.24 | 15 | -3.60 | | | Karklins, Andrew | f | | 2233 | USA | 0.00 | 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) | | |
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