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Individual Calculations August 2012 |
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| Xu, Grant Y Total change: 2.25 | |   |
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| 40th Annual World Open - U2400 Section | Philadelphia, Pennsylvania | USA | 2012-07-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2198 | 2104 | 2.00 | 4 | 0.49 | 15 | 7.35 | |
|  Aramil, William J | | | 2264 | USA | 0.00 | 1 | -0.29 | 15 | -4.35 | |  Yanayt, Eugene | f | | 2270 | USA | 0.00 | 1 | -0.28 | 15 | -4.20 | | | Lucente, Mike | | | 2049 | USA | 1.00 | 1 | 0.42 | 15 | 6.30 | | | Zhou, Guijue | | | 2210 | CHN | 1.00 | 1 | 0.64 | 15 | 9.60 | |
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) | | | | 40th Annual World Open - U2200 Section | Philadelphia, Pennsylvania | USA | 2012-07-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2018 | 2104 | 1.50 | 3 | -0.34 | 15 | -5.10 | |
| | O`Brien, Matthew J | | | 1942 | USA | 1.00 | 1 | 0.29 | 15 | 4.35 | | | Parhami, Payam | | | 2038 | USA | 0.50 | 1 | -0.09 | 15 | -1.35 | | | Fabbri, Alexander | | | 2075 | USA | 0.00 | 1 | -0.54 | 15 | -8.10 | |
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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