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Individual Calculations July 2010 |
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| Doubleday, William G. Total change: -15.90 | |   |
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| 2010 Ontario Open Ch | Toronto, Ontario | CAN | 2010-05-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2066 | 2097 | 1.50 | 4 | -0.61 | 15 | -9.15 | |
|  Itkin, David | | | 1767 | CAN | 1.00 | 1 | 0.12 | 15 | 1.80 | |  Gusev, Nikita | | | 2071 | CAN | 0.50 | 1 | -0.04 | 15 | -0.60 | | | Plotkin, Victor | | | 2237 | CAN | 0.00 | 1 | -0.31 | 15 | -4.65 | | | Henry, Liam | | | 2187 | CAN | 0.00 | 1 | -0.38 | 15 | -5.70 | |
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) | | | | 2010 Eastern Ontario Open | Ottawa, Ontario | CAN | 2010-06-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2256 | 2097 | 0.50 | 3 | -0.45 | 15 | -6.75 | |
| | Sambuev, Bator | g | | 2464 | RUS | 0.00 | 1 | -0.10 | 15 | -1.50 | | | Pacey, Kevin | | | 2201 | CAN | 0.50 | 1 | 0.14 | 15 | 2.10 | | | Qin, Zi Yi Joey | | | 2103 | CAN | 0.00 | 1 | -0.49 | 15 | -7.35 | |
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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