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Individual Calculations May 2011 |
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| Preotu, Razvan Total change: 52.50 | |   |
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| 2011 KW Winter Open | Kitchener, Ontario | CAN | 2011-03-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2140 | 1921 | 2.00 | 5 | 0.83 | 25 | 20.75 | |
|  Ng, Gary | | | 2109 | CAN | 1.00 | 1 | 0.74 | 25 | 18.50 | | | Sapozhnikov, Roman | | | 2280 | CAN | 0.00 | 1 | -0.10 | 25 | -2.50 | |  Calugar, Arthur | | | 2202 | CAN | 0.00 | 1 | -0.16 | 25 | -4.00 | | | Demmery, Steve | | | 2105 | CAN | 1.00 | 1 | 0.74 | 25 | 18.50 | | | Becker, Paul | | | 2003 | CAN | 0.00 | 1 | -0.39 | 25 | -9.75 | |
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 |
| 2015 | 1921 | 4.50 | 8 | 1.27 | 25 | 31.75 | |
| | Sapozhnikov, Roman | | | 2280 | CAN | 0.00 | 1 | -0.10 | 25 | -2.50 | | | Zhang, Yuanchen | | | 1664 | CAN | 1.00 | 1 | 0.18 | 25 | 4.50 | | | Qin, Zi Yi Joey | | | 2173 | CAN | 0.00 | 1 | -0.19 | 25 | -4.75 | | | Zhou, Qiyu | | | 1710 | FIN | 1.00 | 1 | 0.23 | 25 | 5.75 | | | Itkin, David | | | 1929 | CAN | 1.00 | 1 | 0.51 | 25 | 12.75 | | | Thavandiran, Shiyam | f | | 2321 * | CAN | 1.00 | 1 | 0.92 | 25 | 23.00 | | | Peng, Jackie | | wc | 1837 | CAN | 0.50 | 1 | -0.12 | 25 | -3.00 | | | Calugar, Arthur | | | 2202 | CAN | 0.00 | 1 | -0.16 | 25 | -4.00 | | | * 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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