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Individual Calculations May 2011 |
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| Plotkin, Mark Total change: -6.25 | |   |
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| 2011 Toronto Closed Reserves Ch | Toronto, Ontario | CAN | 2011-01-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1971 | 1794 | 1.00 | 4 | -0.14 | 25 | -3.50 | |
|  Chernik, Dmitry | | | 2032 | CAN | 1.00 | 1 | 0.80 | 25 | 20.00 | |  Zeromskis, Egidijus | | | 2132 | CAN | 0.00 | 1 | -0.12 | 25 | -3.00 | | | Strugach, Alexander | | | 1812 | CAN | 0.00 | 1 | -0.47 | 25 | -11.75 | | | Ivanov, Mike | | | 1906 | CAN | 0.00 | 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) | | | | 2011 Canadian Junior Ch | Mississauga, Ontario | CAN | 2011-04-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1959 | 1794 | 1.50 | 5 | -0.11 | 25 | -2.75 | |
| | Qin, Zi Yi Joey | | | 2173 | CAN | 1.00 | 1 | 0.91 | 25 | 22.75 | | | Itkin, David | | | 1929 | CAN | 0.00 | 1 | -0.32 | 25 | -8.00 | | | Peng, Jackie | | wc | 1837 | CAN | 0.50 | 1 | 0.06 | 25 | 1.50 | | | Thavandiran, Shiyam | f | | 2194 * | CAN | 0.00 | 1 | -0.08 | 25 | -2.00 | | | Zhang, Yuanchen | | | 1664 | CAN | 0.00 | 1 | -0.68 | 25 | -17.00 | | | * 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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