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Individual Calculations July 2009 |
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| Wu, Howard Total change: -19.80 | |   |
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| British Columbia Closed Championship 2008 | Vancouver | CAN | 2008-10-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2211 | 2207 | 2.00 | 7 | -1.47 | 15 | -22.05 | |
|  Patterson, Roger | | | 2148 | CAN | 0.50 | 1 | -0.08 | 15 | -1.20 | |  Berry, Jonathan | f | | 2229 | CAN | 0.00 | 1 | -0.47 | 15 | -7.05 | | | McLaren, Brian | | | 2222 | CAN | 0.00 | 1 | -0.48 | 15 | -7.20 | | | Pechisker, Alfred | | | 2163 | CAN | 0.00 | 1 | -0.56 | 15 | -8.40 | | | Jiganchine, Roman | | | 2217 | CAN | 1.00 | 1 | 0.51 | 15 | 7.65 | | | Mackay, Ian D | f | | 2326 | SCO | 0.50 | 1 | 0.16 | 15 | 2.40 | | | Davies, Lucas | | | 2170 | CAN | 0.00 | 1 | -0.55 | 15 | -8.25 | |
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) | | | | 3rd Annual Grand Pacific Open | Victoria | CAN | 2009-04-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2081 | 2207 | 1.50 | 3 | -0.48 | 15 | -7.20 | |
| | Davies, Noam | | | 2137 | CAN | 0.50 | 1 | -0.10 | 15 | -1.50 | | | Davies, Lucas | | | 2170 | CAN | 0.50 | 1 | -0.05 | 15 | -0.75 | | | Sohal, Tanraj S | | | 1935 | CAN | 0.50 | 1 | -0.33 | 15 | -4.95 | |
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) | | | | 34th Keres Memorial | Vancouver | CAN | 2009-05-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2225 | 2207 | 3.00 | 5 | 0.63 | 15 | 9.45 | |
| | Yoos, Jack | f | | 2360 | CAN | 0.00 | 1 | -0.30 | 15 | -4.50 | | | Leblanc, Paul | | | 2005 | CAN | 1.00 | 1 | 0.24 | 15 | 3.60 | | | Lee Jr., Vicente | m | | 2267 | CAN | 1.00 | 1 | 0.58 | 15 | 8.70 | | | Cadman, Charles | | | 2262 | USA | 0.00 | 1 | -0.42 | 15 | -6.30 | | | Gansvind, Valeriya | | wf | 2231 | EST | 1.00 | 1 | 0.53 | 15 | 7.95 | |
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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