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Individual Calculations July 2009 |
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| Naroditsky, Alan Total change: -7.45 | |   |
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| Spring Tuesday Night Marathon | San Francisco, California | USA | 2009-03-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2015 | 2133 | 2.50 | 4 | -0.10 | 25 | -2.50 | |
|  Krasnov, Steven | | | 1902 | USA | 0.00 | 1 | -0.79 | 25 | -19.75 | |  Smelansky, Vadim | | | 1939 | USA | 1.00 | 1 | 0.25 | 25 | 6.25 | | | Shakhnazarov, Oleg | | | 2176 | USA | 0.50 | 1 | 0.06 | 25 | 1.50 | | | Traub, Igor | | | 2043 | USA | 1.00 | 1 | 0.38 | 25 | 9.50 | |
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) | | | NOTE: K factor changed | | 9th Annual Sands Regency Reno - Far West Open | Reno, Nevada | USA | 2009-04-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2292 | 2120 | 0.50 | 3 | -0.33 | 15 | -4.95 | |
| | Collyer, Curt D | | | 2289 | USA | 0.00 | 1 | -0.28 | 15 | -4.20 | | | Aigner, Michael | | | 2243 | USA | 0.50 | 1 | 0.17 | 15 | 2.55 | | | Odondoo, Ganbold | m | | 2345 | MGL | 0.00 | 1 | -0.22 | 15 | -3.30 | |
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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