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Individual Calculations May 2011 |
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| Zhang, Yuanchen Total change: 13.75 | |   |
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| 2011 KW Winter Open | Kitchener, Ontario | CAN | 2011-03-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1897 | 1664 | 0.50 | 1 | 0.29 | 25 | 7.25 | |
|  Deline, Ralph | | | 1897 | CAN | 0.50 | 1 | 0.29 | 25 | 7.25 | |
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) | | | | 2011 Canadian Junior Ch | Mississauga, Ontario | CAN | 2011-04-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1981 | 1664 | 1.00 | 5 | 0.26 | 25 | 6.50 | |
| | Calugar, Arthur | | | 2064 * | CAN | 0.00 | 1 | -0.08 | 25 | -2.00 | | | Preotu, Razvan | | | 1921 | CAN | 0.00 | 1 | -0.18 | 25 | -4.50 | | | Plotkin, Mark | | | 1794 | CAN | 1.00 | 1 | 0.68 | 25 | 17.00 | |  Sapozhnikov, Roman | | | 2064 * | CAN | 0.00 | 1 | -0.08 | 25 | -2.00 | | | Qin, Zi Yi Joey | | | 2064 * | CAN | 0.00 | 1 | -0.08 | 25 | -2.00 | | | * 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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