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Individual Calculations May 2012 |
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| Robinson, Darrian Total change: 0.45 | |   |
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| 42nd Annual World Amateur Team and US Team East | Parsippany, New Jersey | USA | 2012-02-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2252 | 1947 | 0.50 | 3 | 0.00 | 15 | 0.00 | |
|  Bartell, Thomas | f | | 2347 * | USA | 0.00 | 1 | -0.08 | 15 | -1.20 | |  Goldberg, Benjamin | | | 2061 | USA | 0.50 | 1 | 0.16 | 15 | 2.40 | | | Vigorito, David | m | | 2347 * | USA | 0.00 | 1 | -0.08 | 15 | -1.20 | | | * 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) | | | | 2012 Marshall March Grand Prix | New York, New York | USA | 2012-03-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2206 | 1947 | 0.00 | 1 | -0.18 | 15 | -2.70 | |
| | Treger, Yefim | | | 2206 | USA | 0.00 | 1 | -0.18 | 15 | -2.70 | |
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) | | | | Long Island Open | Ronkonkoma, New York | USA | 2012-03-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2131 | 1947 | 1.00 | 3 | 0.21 | 15 | 3.15 | |
| | Treger, Yefim | | | 2206 | USA | 0.50 | 1 | 0.32 | 15 | 4.80 | | | Mirabile, Tim | | | 2154 | USA | 0.00 | 1 | -0.23 | 15 | -3.45 | | | Ray, Sarathi | | | 2033 | USA | 0.50 | 1 | 0.12 | 15 | 1.80 | |
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) | | |
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