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Individual Calculations April 2009 |
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| Farber, Nelson M Total change: -1.80 | |   |
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| Happy New Year Open | New York, New York | USA | 2009-01-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2149 | 2003 | 0.50 | 3 | -0.41 | 15 | -6.15 | |
|  Zaderman, Vitaly | | | 2210 | USA | 0.00 | 1 | -0.23 | 15 | -3.45 | |  Guevara, Robert N | | | 2103 | USA | 0.50 | 1 | 0.14 | 15 | 2.10 | | | Chernin, Oliver | | | 2134 | USA | 0.00 | 1 | -0.32 | 15 | -4.80 | |
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) | | | | 39th Annual World Amateur Team & US Team East | Parsippany, New Jersey | USA | 2009-02-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2225 | 2003 | 1.00 | 3 | 0.29 | 15 | 4.35 | |
| | Uesugi, Shinsaku | | | 2243 | JPN | 0.00 | 1 | -0.20 | 15 | -3.00 | | | Sarkar, Justin | m | | 2353 | USA | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Pinkerton, James C | | | 2078 | USA | 1.00 | 1 | 0.60 | 15 | 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) | | |
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