Individual Calculations April 2009 |
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Cohen, Harry S Total change: -4.65 | | |
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39th Annual World Amateur Team & US Team East | Parsippany, New Jersey | USA | 2009-02-14 |
Rc | Ro | w | n | change | K | K*chg | Game |
2031 | 2110 | 1.00 | 2 | -0.22 | 15 | -3.30 | |
| Goldberg, Benjamin | | | 2026 | USA | 0.50 | 1 | -0.12 | 15 | -1.80 | | Rabin, Evan Z | | | 2036 | 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) | | 41st Annual Virginia Open | McLean, Virginia | USA | 2009-02-27 |
Rc | Ro | w | n | change | K | K*chg | Game |
2077 | 2110 | 1.00 | 2 | -0.09 | 15 | -1.35 | |
| Dai, Yang | | | 2000 | USA | 0.50 | 1 | -0.15 | 15 | -2.25 | | Samuelson, Andrew | | | 2154 | USA | 0.50 | 1 | 0.06 | 15 | 0.90 | | 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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