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Individual Calculations January 2012 |
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| Cohen, Lawrence S Total change: -27.60 | |   |
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| First Annual Fall International Chess Festival | Dearborn, Michigan | USA | 2011-10-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2049 | 1999 | 0.50 | 3 | -0.92 | 15 | -13.80 | |
|  Kaidanov, Gregory | g | | 2399 * | USA | 0.00 | 1 | -0.08 | 15 | -1.20 | |  Song, Edward | | | 1920 | CAN | 0.00 | 1 | -0.61 | 15 | -9.15 | | | Kosteris, Dimitri | | | 1827 | USA | 0.50 | 1 | -0.23 | 15 | -3.45 | | | * 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) | | | | 2nd North American Amateur Closed - Section B | Skokie, Illinois | USA | 2011-11-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1718 | 1999 | 6.50 | 9 | -0.92 | 15 | -13.80 | |
| | Clark, Wayne D | | | 1653 | USA | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Rajendra, Anupama | | | 1599 * | USA | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Wainscott, Chris | | | 1653 | USA | 0.50 | 1 | -0.39 | 15 | -5.85 | | | Girardo, Christopher | | | 1844 | USA | 0.00 | 1 | -0.71 | 15 | -10.65 | | | Kosteris, Dimitri | | | 1802 | USA | 1.00 | 1 | 0.25 | 15 | 3.75 | | | Paykin, David | | | 1755 | USA | 1.00 | 1 | 0.20 | 15 | 3.00 | | | Mercer Jr, Theodore | | | 1599 * | USA | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Richmond, M Bar | | | 1858 | USA | 0.50 | 1 | -0.19 | 15 | -2.85 | | | Vitkauskas, Vytautas | | | 1699 | USA | 0.50 | 1 | -0.35 | 15 | -5.25 | | | * 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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