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Individual Calculations October 2012 |
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| Chamberlain, Ethan Total change: 21.60 | |   |
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| 2012 Henry Mar Tuesday Night Marathon | San Francisco, California | USA | 2012-07-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2153 | 2014 | 2.00 | 4 | 0.72 | 30 | 21.60 | |
|  Fuentes, Romulo | | | 2152 | USA | 0.00 | 1 | -0.31 | 30 | -9.30 | | | Rumph, Todd | | | 2141 | USA | 1.00 | 1 | 0.67 | 30 | 20.10 | |  Zavadsky, Peter | | | 2282 | SVK | 0.00 | 1 | -0.17 | 30 | -5.10 | | | Afkham-Ebrahimi, Payam | | | 2036 | IRI | 1.00 | 1 | 0.53 | 30 | 15.90 | |
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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