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Individual Calculations September 2009 |
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| Morrison, William Total change: -4.20 | |   |
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| 37th Annual World Open - Under 2400 Section | Philadelphia, Pennsylvania | USA | 2009-06-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2273 | 2324 | 2.00 | 4 | -0.28 | 15 | -4.20 | |
|  Ravichandran, Siddharth | | | 2303 | IND | 0.00 | 1 | -0.53 | 15 | -7.95 | |  Acor, Corey | | | 2248 | USA | 1.00 | 1 | 0.40 | 15 | 6.00 | | | Rubenchik, Rodion | f | | 2299 | USA | 0.00 | 1 | -0.53 | 15 | -7.95 | | | Rogers, Norman | f | | 2240 | USA | 1.00 | 1 | 0.38 | 15 | 5.70 | |
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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