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Individual Calculations April 2009 |
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| Hermansen, Ron Total change: -13.35 | |   |
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| 26th Annual U.S Amateur Team West | Woodland Hills, CA | USA | 2009-02-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2333 | 2235 | 1.00 | 5 | -0.89 | 15 | -13.35 | |
|  Del Pilar, Reynaldo | | | 2233 | USA | 0.00 | 1 | -0.50 | 15 | -7.50 | |  Bryant, John Daniel | | | 2240 | USA | 0.50 | 1 | 0.01 | 15 | 0.15 | | | Shankland, Samuel | m | | 2453 | USA | 0.00 | 1 | -0.22 | 15 | -3.30 | | | Yanayt, Eugene | f | | 2225 | USA | 0.50 | 1 | -0.01 | 15 | -0.15 | | | Sevillano, Enrico | m | | 2512 | USA | 0.00 | 1 | -0.17 | 15 | -2.55 | |
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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