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Individual Calculations August 2014 |
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| Roach, Andrew Total change: -79.60 | |   |
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| 42nd Annual World Open - U2400 Section | Arlington, Virginia | USA | 2014-06-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2084 | 2055 | 4.00 | 9 | -0.15 | 40 | -6.00 | |
|  Goldenberg, Ryan D | | | 2314 | USA | 0.00 | 1 | -0.18 | 40 | -7.20 | |  Stancil, Kimani A | | | 2112 | USA | 0.00 | 1 | -0.42 | 40 | -16.80 | | | Collier, Philip M | | | 1869 | USA | 1.00 | 1 | 0.26 | 40 | 10.40 | | | Sana, Mariano | | | 2139 | USA | 0.00 | 1 | -0.38 | 40 | -15.20 | | | De Fotis, Gary C | | | 1980 | USA | 0.50 | 1 | -0.10 | 40 | -4.00 | | | Shabazz, Daaim | | | 2067 | USA | 0.50 | 1 | 0.02 | 40 | 0.80 | | | Leve, Nitai | | | 2142 | USA | 0.50 | 1 | 0.12 | 40 | 4.80 | | | Belanoff, Ted | | | 1934 | USA | 1.00 | 1 | 0.34 | 40 | 13.60 | | | Treger, Yefim | | | 2200 | USA | 0.50 | 1 | 0.19 | 40 | 7.60 | |
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) | | | | XXV Festival Panamericano de la Juventud 2014 Sub 12 Abs | Oaxtepec, Morelos | MEX | 2014-07-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1655 | 2055 | 0.00 | 2 | -1.84 | 40 | -73.60 | |
| | Pariona La Rotta, Andre | | | 1655 * | PER | 0.00 | 1 | -0.92 | 40 | -36.80 | | | Frutos, Chase | | | 1655 * | USA | 0.00 | 1 | -0.92 | 40 | -36.80 | | | * 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) | | |
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