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Individual Calculations September 2010 |
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| Perez-Billinghurst, Ricardo Total change: -11.70 | |   |
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| 38th Annual World Open - Open Section | King of Prussia, Pennsylvania | USA | 2010-06-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2285 | 2144 | 1.50 | 7 | -0.78 | 15 | -11.70 | |
|  Wang, Puchen | m | | 2469 | NZL | 0.00 | 1 | -0.13 | 15 | -1.95 | |  Lee, Michael | f | | 2391 | USA | 0.50 | 1 | 0.31 | 15 | 4.65 | | | Korley, Kassa | | | 2284 | USA | 0.00 | 1 | -0.31 | 15 | -4.65 | | | Sherman, David | | | 2117 | USA | 0.50 | 1 | -0.04 | 15 | -0.60 | | | Kleiman, Jake | f | | 2353 | USA | 0.50 | 1 | 0.27 | 15 | 4.05 | | | Thavandiran, Shiyam | f | | 2316 | CAN | 0.00 | 1 | -0.27 | 15 | -4.05 | | | Harmon-Vellotti, Luke | | | 2062 | USA | 0.00 | 1 | -0.61 | 15 | -9.15 | |
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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