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Individual Calculations April 2009 |
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| Sapozhnikov, Roman Total change: 21.35 | |   |
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| 2008 Toronto Thanksgiving Open | Toronto | CAN | 2008-10-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2211 | 2131 | 2.50 | 4 | 0.86 | 25 | 21.50 | |
|  Hambleton, Aman | | | 2028 | CAN | 1.00 | 1 | 0.36 | 25 | 9.00 | |  Gerzhoy, Leonid | m | | 2416 | CAN | 0.50 | 1 | 0.34 | 25 | 8.50 | | | Samsonkin, Artiom | m | | 2378 | CAN | 0.00 | 1 | -0.19 | 25 | -4.75 | | | Wajdy, Shebetah | | | 2023 | PLE | 1.00 | 1 | 0.35 | 25 | 8.75 | |
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 | | Aeroflot open C | Moscow | RUS | 2009-02-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2032 | 2131 | 5.00 | 8 | -0.01 | 15 | -0.15 | |
| | Anu, Bayar | | | 1830 | MGL | 1.00 | 1 | 0.15 | 15 | 2.25 | | | Shwarchbard, Zvi | | | 1891 | ISR | 1.00 | 1 | 0.20 | 15 | 3.00 | | | Ginzburg, Igor | | | 2068 | ISR | 0.50 | 1 | -0.09 | 15 | -1.35 | | | Gilev, Sergey | | | 2191 | RUS | 0.00 | 1 | -0.42 | 15 | -6.30 | | | Xu, Huahua | | | 2084 | CHN | 1.00 | 1 | 0.43 | 15 | 6.45 | | | Apryshko, Gleb | | | 2074 | RUS | 0.00 | 1 | -0.58 | 15 | -8.70 | | | Cheung, Jan | | | 2052 | NED | 0.50 | 1 | -0.11 | 15 | -1.65 | | | Piatin, Oleg | | | 2063 | RUS | 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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