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Individual Calculations January 2016 |
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| Obrien, Matthew J Total change: 3.80 | |   |
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| 46th Annual National Chess Congress | Philadelphia, Pennsylvania | USA | 2015-11-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2096 | 2027 | 1.50 | 3 | 0.19 | 20 | 3.80 | |
|  Liang, Albert | | | 1919 | USA | 1.00 | 1 | 0.35 | 20 | 7.00 | | | Ippolito, Dean | m | | 2375 | USA | 0.00 | 1 | -0.11 | 20 | -2.20 | |  Xu, Runya | | | 1994 | USA | 0.50 | 1 | -0.05 | 20 | -1.00 | |
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) | | |
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