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Individual Calculations September 2009 |
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| Huang, Richard Total change: 67.40 | |   |
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| 2009 Canadian Open | Edmonton, Alberta | CAN | 2009-07-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2106 | 1888 | 4.00 | 6 | 2.60 | 25 | 65.00 | |
|  Li, Zhichao | | | 2183 | HKG | 0.50 | 1 | 0.35 | 25 | 8.75 | |  Sundar, Avinaash | | | 2093 | CAN | 0.50 | 1 | 0.26 | 25 | 6.50 | | | Doubleday, William | | | 2110 | CAN | 1.00 | 1 | 0.78 | 25 | 19.50 | | | Henry, Liam | | | 2186 | CAN | 0.00 | 1 | -0.15 | 25 | -3.75 | | | Boron, Anthony | | | 1906 | CAN | 1.00 | 1 | 0.53 | 25 | 13.25 | | | Kaptsan, Aron | | | 2159 | CAN | 1.00 | 1 | 0.83 | 25 | 20.75 | |
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) | | | NOTE: K factor changed | | 2009 Canadian Youth Ch U16 Open | Victoria, British Columbia | CAN | 2009-07-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2068 | 1888 | 1.00 | 4 | -0.07 | 15 | -1.05 | |
| | Calugar, Arthur | | | 2072 | CAN | 0.00 | 1 | -0.26 | 15 | -3.90 | | | Wang, Jesse B | | | 2017 | CAN | 0.00 | 1 | -0.33 | 15 | -4.95 | | | Xiong, Jerry | | | 2036 | CAN | 0.50 | 1 | 0.20 | 15 | 3.00 | | | Mackinnon, Keith | | | 2148 | CAN | 0.50 | 1 | 0.32 | 15 | 4.80 | |
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) | | | NOTE: K factor changed | | 2009 BC Open Championship | Victoria, British Columbia | CAN | 2009-07-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2215 | 1888 | 0.50 | 2 | 0.23 | 15 | 3.45 | |
| | Hansen, Eric | f | | 2288 * | CAN | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Patterson, Roger | | | 2142 | CAN | 0.50 | 1 | 0.31 | 15 | 4.65 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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