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Individual Calculations April 2009 |
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| Mackinnon, Keith Total change: 16.95 | |   |
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| WBX Team Tournament | Edmonton | CAN | 2008-12-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2312 | 2076 | 0.50 | 3 | -0.17 | 15 | -2.55 | |
|  Porper, Edward | m | | 2426 | CAN | 0.00 | 1 | -0.11 | 15 | -1.65 | |  Haynes, Nicolas | | | 2148 | CAN | 0.50 | 1 | 0.10 | 15 | 1.50 | | | Hansen, Eric | f | | 2362 | CAN | 0.00 | 1 | -0.16 | 15 | -2.40 | |
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) | | | | 18th Annual North American Open | Las vegas, Nevada | USA | 2008-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2184 | 2076 | 2.00 | 5 | 0.15 | 15 | 2.25 | |
| | Kacheishvili, Giorgi | g | | 2426 | GEO | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Vogel, Joerg | | | 2081 | GER | 1.00 | 1 | 0.51 | 15 | 7.65 | | | Higgins, Sean K | | | 2178 | USA | 0.00 | 1 | -0.36 | 15 | -5.40 | | | Kitagami, Show | | | 2058 | USA | 1.00 | 1 | 0.47 | 15 | 7.05 | | | Agarwal, Rohan | | | 2175 | USA | 0.00 | 1 | -0.36 | 15 | -5.40 | |
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) | | | | 2009 Saskatchewan Open | Regina | CAN | 2009-01-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2076 | 2128 | 3.00 | 3 | 1.29 | 15 | 19.35 | |
| | Pedersen, Rick | | | 2091 | CAN | 1.00 | 1 | 0.45 | 15 | 6.75 | | | Yearwood, Roy | | | 2090 | CAN | 1.00 | 1 | 0.45 | 15 | 6.75 | | | Hughey, Micah | | | 2048 | CAN | 1.00 | 1 | 0.39 | 15 | 5.85 | |
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) | | | | Northern Alberta Open | Edmonton | CAN | 2009-02-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2078 | 2128 | 1.00 | 2 | -0.14 | 15 | -2.10 | |
| | Pedersen, Rick | | | 2091 | CAN | 0.00 | 1 | -0.55 | 15 | -8.25 | | | Rekhson, Vladislav | | | 2065 | CAN | 1.00 | 1 | 0.41 | 15 | 6.15 | |
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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