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Individual Calculations May 2010 |
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| Vibbert, Sean Total change: -18.75 | |   |
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| 14th Annual Mid-America Open | St. Louis, Missouri | USA | 2010-03-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2189 | 2117 | 0.00 | 2 | -0.82 | 25 | -20.50 | |
|  Kleiman, Jake | f | | 2318 | USA | 0.00 | 1 | -0.24 | 25 | -6.00 | |  Lucente, Mike | | | 2059 | USA | 0.00 | 1 | -0.58 | 25 | -14.50 | |
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) | | | | The Bill Wright St. Louis Open | St. Louis, Missouri | USA | 2010-04-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2275 | 2117 | 1.00 | 3 | 0.00 | 25 | 0.00 | |
| | Krush, Irina | m | wg | 2461 | USA | 0.00 | 1 | -0.12 | 25 | -3.00 | | | Parmet, Daniel E | | | 1912 | USA | 1.00 | 1 | 0.24 | 25 | 6.00 | | | Brooks, Michael A | m | | 2452 | USA | 0.00 | 1 | -0.12 | 25 | -3.00 | |
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) | | | | 9th Southern Class Championships | Nashville, Tennessee | USA | 2010-04-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2145 | 2117 | 1.00 | 2 | 0.07 | 25 | 1.75 | |
| | Bereolos, Peter | f | | 2318 | USA | 0.50 | 1 | 0.26 | 25 | 6.50 | | | Cao, Kevin Y | | | 1972 | USA | 0.50 | 1 | -0.19 | 25 | -4.75 | |
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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