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Individual Calculations April 2008 |
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| Treger, Yefim Total change: 2.55 | |   |
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| 91st Annual Marshall Championship | New York, New York | USA | 2007-12-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2271 | 2196 | 2.00 | 6 | -0.49 | 15 | -7.35 | |
|  Gaillard, Edward A | | | 2160 | USA | 0.50 | 1 | -0.05 | 15 | -0.75 | |  Hess, Robert L | m | | 2445 | USA | 0.00 | 1 | -0.19 | 15 | -2.85 | | | Charbonneau, Pascal | g | | 2507 | CAN | 0.50 | 1 | 0.36 | 15 | 5.40 | | | Zenyuk, Iryna | c | wf | 2192 | USA | 0.50 | 1 | -0.01 | 15 | -0.15 | | | Thaler, Michael | | | 2086 | USA | 0.50 | 1 | -0.15 | 15 | -2.25 | | | Pader, Douglas | | | 2234 | USA | 0.00 | 1 | -0.45 | 15 | -6.75 | |
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) | | | | 34th Annual Eastern Open | Washington DC | USA | 2007-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2134 | 2196 | 2.00 | 4 | -0.33 | 15 | -4.95 | |
| | Flores, Rodney | | | 2071 | USA | 1.00 | 1 | 0.33 | 15 | 4.95 | | | Henry, Ronald L | | | 2179 | USA | 0.00 | 1 | -0.52 | 15 | -7.80 | | | Okechukwu, Ane Iwu | | | 2137 | USA | 0.00 | 1 | -0.58 | 15 | -8.70 | | | Sherman, David | | | 2150 | USA | 1.00 | 1 | 0.44 | 15 | 6.60 | |
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) | | | | New York February Open | New York, New York | USA | 2008-02-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2200 | 2204 | 2.00 | 2 | 0.99 | 15 | 14.85 | |
| | Macaspac, Arthur | | | 2141 | USA | 1.00 | 1 | 0.41 | 15 | 6.15 | | | Margulis, Yevgeni | | | 2259 | USA | 1.00 | 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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