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Individual Calculations March 2011 |
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| Colas, Joshua Total change: 14.85 | |   |
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| 29th Annual Empire City Open | New York, New York | USA | 2010-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2185 | 2084 | 1.00 | 2 | 0.28 | 15 | 4.20 | |
|  Fikiet, Alex M | | | 2217 | USA | 0.00 | 1 | -0.32 | 15 | -4.80 | |  Bierkens, Pieter A | | | 2153 | USA | 1.00 | 1 | 0.60 | 15 | 9.00 | |
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) | | | | 43rd Annual Liberty Bell Open | Philadelphia, Pennsylvania | USA | 2011-01-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2239 | 2049 | 2.00 | 5 | 0.71 | 15 | 10.65 | |
| | Bonin, Jay R | m | | 2309 | USA | 0.50 | 1 | 0.32 | 15 | 4.80 | | | Mac Intyre, Paul | f | | 2288 | USA | 0.50 | 1 | 0.30 | 15 | 4.50 | | | Wang, Kevin | | | 2176 | USA | 0.50 | 1 | 0.17 | 15 | 2.55 | | | Melekhina, Alisa | | wm | 2269 | USA | 0.00 | 1 | -0.22 | 15 | -3.30 | | | Williams, Justus D | | | 2154 | USA | 0.50 | 1 | 0.14 | 15 | 2.10 | |
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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