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Individual Calculations September 2011 |
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| Webb, Matthew D Total change: 14.40 | |   |
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| 39th Annual World Open - U2400 Section | Philadelphia, Pennsylvania | USA | 2011-06-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2132 | 2088 | 4.00 | 8 | 0.50 | 15 | 7.50 | |
|  Belliard, Luis | | | 2222 | DOM | 0.50 | 1 | 0.18 | 15 | 2.70 | |  Omori, Michael | | | 2225 | USA | 0.50 | 1 | 0.18 | 15 | 2.70 | | | Vazquez, Raul | c | | 2217 | PUR | 0.00 | 1 | -0.33 | 15 | -4.95 | | | Guo, Josh | | | 2123 | CAN | 0.00 | 1 | -0.45 | 15 | -6.75 | | | Harmon-Vellotti, Carl | | | 1831 | USA | 1.00 | 1 | 0.18 | 15 | 2.70 | | | Ng, Andrew | | | 2138 | USA | 0.00 | 1 | -0.43 | 15 | -6.45 | | | Wright, William B | | | 2137 | USA | 1.00 | 1 | 0.57 | 15 | 8.55 | | | Resika, Nathan | f | | 2162 | USA | 1.00 | 1 | 0.60 | 15 | 9.00 | |
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) | | | | British Championship - Major Open 2011 | Sheffield | ENG | 2011-07-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2007 | 2065 | 5.00 | 8 | 0.46 | 15 | 6.90 | |
| | Zhang, Roy Yinian | | | 1831 | ENG | 0.50 | 1 | -0.29 | 15 | -4.35 | | | Patrick, David A | | | 1968 | ENG | 1.00 | 1 | 0.37 | 15 | 5.55 | | | Barr, Gabriel J | | | 1787 | ENG | 1.00 | 1 | 0.17 | 15 | 2.55 | | | Weller, Jean-Luc | | | 1977 | ENG | 0.00 | 1 | -0.62 | 15 | -9.30 | | | Williamson, Roger G | | | 2165 | ENG | 0.50 | 1 | 0.14 | 15 | 2.10 | | | Shephard, Chris C W | | | 2188 | ENG | 0.50 | 1 | 0.17 | 15 | 2.55 | | | Garnett, John S | | | 1997 | ENG | 1.00 | 1 | 0.41 | 15 | 6.15 | | | Hagesaether, Arne | | | 2145 | NOR | 0.50 | 1 | 0.11 | 15 | 1.65 | |
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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