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Individual Calculations September 2010 |
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| Lazarus, Barry J Total change: -16.50 | |   |
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| 50th Annual Pacific Southwest Open | Los Angeles, California | USA | 2010-07-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2041 | 1819 | 0.00 | 2 | -0.48 | 25 | -12.00 | |
|  Kavutskiy, Konstantin | | | 2157 | USA | 0.00 | 1 | -0.12 | 25 | -3.00 | | | Zhang, Eric | | | 1924 | USA | 0.00 | 1 | -0.36 | 25 | -9.00 | |
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) | | | | 111th Annual US Open - Jerry Hanken Memorial | Irvine, California | USA | 2010-07-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2201 | 1819 | 0.00 | 2 | -0.18 | 25 | -4.50 | |
| | Mulyar, Michael A | m | | 2219 * | USA | 0.00 | 1 | -0.08 | 25 | -2.00 | |  Brownscombe, Tom | f | | 2182 | USA | 0.00 | 1 | -0.10 | 25 | -2.50 | | | * 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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