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Individual Calculations July 2009 |
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| Samsonkin, Artiom Total change: 23.50 | |   |
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| 2009 RA Winter Open | Ottawa | CAN | 2009-01-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2283 | 2378 | 3.50 | 5 | 0.43 | 10 | 4.30 | |
|  Moffat, Andrei | | | 2131 | CAN | 1.00 | 1 | 0.19 | 10 | 1.90 | |  Doubleday, William G. | | | 2097 | CAN | 1.00 | 1 | 0.16 | 10 | 1.60 | | | Hebert, Jean | m | | 2397 | CAN | 0.50 | 1 | 0.03 | 10 | 0.30 | | | Sambuev, Bator | g | | 2501 | RUS | 0.00 | 1 | -0.33 | 10 | -3.30 | | | Hamilton, Robert | f | | 2290 | CAN | 1.00 | 1 | 0.38 | 10 | 3.80 | |
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) | | | | 2009 RA Spring Open | Ottawa | CAN | 2009-03-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2189 | 2378 | 2.00 | 2 | 0.51 | 10 | 5.10 | |
| | Pacey, Kevin | | | 2247 | CAN | 1.00 | 1 | 0.32 | 10 | 3.20 | | | Sapozhnikov, Roman | | | 2131 | CAN | 1.00 | 1 | 0.19 | 10 | 1.90 | |
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 Ontario Open | Ottawa | CAN | 2009-05-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2283 | 2379 | 4.50 | 5 | 1.41 | 10 | 14.10 | |
| | Doubleday, William | | | 2097 | CAN | 1.00 | 1 | 0.16 | 10 | 1.60 | | | Sambuev, Bator | g | | 2498 | RUS | 1.00 | 1 | 0.66 | 10 | 6.60 | | | Gerzhoy, Leonid | m | | 2420 | CAN | 1.00 | 1 | 0.56 | 10 | 5.60 | | | Sapozhnikov, Roman | | | 2152 | CAN | 1.00 | 1 | 0.21 | 10 | 2.10 | | | Pacey, Kevin | | | 2247 | CAN | 0.50 | 1 | -0.18 | 10 | -1.80 | |
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) | | |
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