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Individual Calculations July 2011 |
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| Vaughn, Rodney Total change: 17.00 | |   |
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| 4th North American Amateur Open | Skokie, Illinois | USA | 2011-05-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1676 | 1908 | 1.00 | 1 | 0.21 | 25 | 5.25 | |
|  Craigmile, Charles | | | 1676 | USA | 1.00 | 1 | 0.21 | 25 | 5.25 | |
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) | | | | 30th NAO FIDE 11 Round Open | Stillwater, Oklahoma | USA | 2011-05-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2089 | 1908 | 2.50 | 7 | 0.47 | 25 | 11.75 | |
|  Coleman, Maxx | | | 2200 | USA | 0.00 | 1 | -0.15 | 25 | -3.75 | | | Braunlch, Tom | | | 2220 | USA | 0.00 | 1 | -0.14 | 25 | -3.50 | | | Maldonado, Ernie Jr | | | 1733 | USA | 1.00 | 1 | 0.27 | 25 | 6.75 | | | Galant, Sergey | | | 2158 | USA | 0.50 | 1 | 0.31 | 25 | 7.75 | | | Berry, Jim | | | 2008 | USA | 0.00 | 1 | -0.36 | 25 | -9.00 | | | Hollingsworth, Jim | | | 1996 | USA | 1.00 | 1 | 0.62 | 25 | 15.50 | | | Atalik, Suat | g | | 2308 * | TUR | 0.00 | 1 | -0.08 | 25 | -2.00 | | | * 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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