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Individual Calculations May 2010 |
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| West, James R Total change: 1.65 | |   |
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| 40th Annual World Amateur Team & US Tean East | Parsippany, New Jersey | USA | 2010-02-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2229 | 2157 | 0.00 | 2 | -0.81 | 15 | -12.15 | |
|  Yeliseyev, Igor | | | 2128 | USA | 0.00 | 1 | -0.54 | 15 | -8.10 | | | Shmelov, Denys K | | | 2330 | UKR | 0.00 | 1 | -0.27 | 15 | -4.05 | |
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) | | | | First Only New Jersey State Championship | Branchburg, New Jersey | USA | 2010-03-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2268 | 2094 | 1.00 | 3 | 0.11 | 15 | 1.65 | |
| | Ippolito, Dean J | m | | 2466 | USA | 0.00 | 1 | -0.10 | 15 | -1.50 | |  Grasso, David | | | 2173 | USA | 0.50 | 1 | 0.11 | 15 | 1.65 | | | Arceo, Daniel B | | | 2164 | USA | 0.50 | 1 | 0.10 | 15 | 1.50 | |
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) | | | | New York March Open | New York, New York | USA | 2010-03-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2051 | 2094 | 2.50 | 3 | 0.81 | 15 | 12.15 | |
| | Tom, George | | | 2031 | USA | 1.00 | 1 | 0.41 | 15 | 6.15 | | | Barsky, Sam | | | 2067 | USA | 0.50 | 1 | -0.04 | 15 | -0.60 | | | Berg, George P | | | 2054 | USA | 1.00 | 1 | 0.44 | 15 | 6.60 | |
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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