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Individual Calculations January 2013 |
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| Peters, Jack Total change: -5.20 | |   |
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| 48th Annual American Open | Orange, California | USA | 2012-11-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2293 | 2355 | 3.50 | 7 | -0.52 | 10 | -5.20 | |
|  West, Vanessa A | | | 2106 | USA | 1.00 | 1 | 0.19 | 10 | 1.90 | |  Yankovsky, Roman | m | | 2474 | RUS | 0.00 | 1 | -0.34 | 10 | -3.40 | | | Yanayt, Eugene | f | | 2212 | USA | 0.50 | 1 | -0.19 | 10 | -1.90 | | | Ortiz, Eduardo | | | 2272 | PHI | 0.50 | 1 | -0.11 | 10 | -1.10 | | | Le, Cau | | | 2074 | USA | 1.00 | 1 | 0.16 | 10 | 1.60 | | | Friedel, Joshua E | g | | 2495 | USA | 0.50 | 1 | 0.19 | 10 | 1.90 | | | Bryant, John Daniel | f | | 2416 | USA | 0.00 | 1 | -0.42 | 10 | -4.20 | |
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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