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Individual Calculations August 2015 |
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| Tanenbaum, Zachary C Total change: 27.20 | |   |
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| 43rd Annual World Open | Arlington, Virginia | USA | 2015-07-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2203 | 2118 | 4.00 | 8 | 0.89 | 40 | 35.60 | |
|  Bodek, Michael H | f | | 2425 | USA | 0.00 | 1 | -0.14 | 40 | -5.60 | |  Altman, Joshua | c | | 1800 | ENG | 1.00 | 1 | 0.13 | 40 | 5.20 | | | Wheeler, Cameron | f | | 2304 | USA | 0.50 | 1 | 0.24 | 40 | 9.60 | | | Yeager, Daniel A | f | | 2306 | USA | 0.00 | 1 | -0.26 | 40 | -10.40 | | | Jacobson, Aaron | | | 2215 | USA | 0.50 | 1 | 0.13 | 40 | 5.20 | | | Fikiet, Alex M | | | 2209 | USA | 0.50 | 1 | 0.12 | 40 | 4.80 | | | Eckert, Doug D. | f | | 2198 | USA | 0.50 | 1 | 0.11 | 40 | 4.40 | | | Perez-Billinghurst, Ricardo | | | 2164 | USA | 1.00 | 1 | 0.56 | 40 | 22.40 | |
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) | | | | 8th New York International Championship | New York, New York | USA | 2015-07-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2344 | 2118 | 0.00 | 1 | -0.21 | 40 | -8.40 | |
| | Checa, Nicolas D | f | | 2344 | USA | 0.00 | 1 | -0.21 | 40 | -8.40 | |
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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