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Individual Calculations April 2009 |
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| Persidsky, Andre Total change: -9.50 | |   |
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| Fall TNM (MI Club Championship) | San Francisco, CA | USA | 2008-10-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2218 | 1868 | 0.00 | 1 | -0.11 | 25 | -2.75 | |
|  Lee, Andy | | | 2218 | USA | 0.00 | 1 | -0.11 | 25 | -2.75 | |
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) | | | | Winter Tuesday Night Marathon | San Francisco, California | USA | 2009-01-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2043 | 1868 | 0.00 | 1 | -0.27 | 25 | -6.75 | |
| | Traub, Igor | | | 2043 | USA | 0.00 | 1 | -0.27 | 25 | -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) | | |
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