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Individual Calculations September 2010 |
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| Doubleday, William G. Total change: 0.75 | |   |
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| 2010 Canadian Open | Toronto, Ontario | CAN | 2010-07-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2130 | 2081 | 0.50 | 2 | -0.38 | 15 | -5.70 | |
|  Barron, Michael | f | | 2249 | CAN | 0.00 | 1 | -0.28 | 15 | -4.20 | |  Rachar, Sean | | | 2010 | CAN | 0.50 | 1 | -0.10 | 15 | -1.50 | |
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) | | | | 111th Annual US Open - Jerry Hanken Memorial | Irvine, California | USA | 2010-07-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2148 | 2081 | 2.50 | 5 | 0.43 | 15 | 6.45 | |
| | Casella, Michael | f | | 2282 | USA | 0.00 | 1 | -0.24 | 15 | -3.60 | | | Oldham, David | | | 1956 | USA | 1.00 | 1 | 0.33 | 15 | 4.95 | | | Yurenok, Sergey | | | 2155 | USA | 0.50 | 1 | 0.10 | 15 | 1.50 | | | Flores, John R | | | 2072 | USA | 1.00 | 1 | 0.49 | 15 | 7.35 | | | Liu, Elliott Joseph | f | | 2276 | USA | 0.00 | 1 | -0.25 | 15 | -3.75 | |
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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