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Individual Calculations April 2009 |
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| Shipman, Walter J Total change: -0.60 | |   |
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| Winter Tuesday Night Marathon | San Francisco, California | USA | 2009-01-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2116 | 2220 | 0.50 | 2 | -0.78 | 15 | -11.70 | |
|  Snyder, Larry | | | 2056 | USA | 0.50 | 1 | -0.22 | 15 | -3.30 | | | Shakhnazarov, Oleg | | | 2176 | USA | 0.00 | 1 | -0.56 | 15 | -8.40 | |
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) | | | | Western Chess Congress | Concord, California | USA | 2009-03-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2312 | 2220 | 1.50 | 2 | 0.74 | 15 | 11.10 | |
| | Strugatsky, Vladim | f | | 2397 | USA | 1.00 | 1 | 0.73 | 15 | 10.95 | |  Cardona, Liulia | | wf | 2227 | CUB | 0.50 | 1 | 0.01 | 15 | 0.15 | |
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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