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Individual Calculations September 2011 |
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| Wu, Kevin Total change: -8.85 | |   |
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| 2011 CAN Youth Ch U16 Open | Richmond Hill, Ontario | CAN | 2011-07-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1982 | 1914 | 1.50 | 4 | -0.14 | 15 | -2.10 | |
|  Semianiuk, Konstantin | | | 2052 | CAN | 0.50 | 1 | 0.19 | 15 | 2.85 | | | Itkin, David | | | 2025 | CAN | 0.00 | 1 | -0.35 | 15 | -5.25 | |  Leu, Richard | | | 1743 | CAN | 0.00 | 1 | -0.73 | 15 | -10.95 | | | Marinkovic, Mate | | | 2109 | CAN | 1.00 | 1 | 0.75 | 15 | 11.25 | |
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) | | | | 48th Canadian Open Chess Championship 2011 | Toronto, Ontario | CAN | 2011-07-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2016 | 1914 | 2.50 | 7 | -0.24 | 15 | -3.60 | |
| | Humphreys, Michael | | | 2111 | CAN | 0.00 | 1 | -0.25 | 15 | -3.75 | | | Kalaydina, Regina-Veronicka | | | 1842 | CAN | 1.00 | 1 | 0.40 | 15 | 6.00 | | | Castaneda, Nelson | f | | 2229 | USA | 0.00 | 1 | -0.14 | 15 | -2.10 | | | Meszaros, Michal | m | | 2314 * | SVK | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Plotkin, Mark | | | 1788 | CAN | 0.00 | 1 | -0.67 | 15 | -10.05 | | | Serbanescu, Natasa | | | 1829 | CAN | 1.00 | 1 | 0.38 | 15 | 5.70 | | | Cohen, Lawrence S | | | 2001 | USA | 0.50 | 1 | 0.12 | 15 | 1.80 | | | * 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) | | | | 2011 Canadian Amateur Ch | Kitchener, Ontario | CAN | 2011-07-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1956 | 1914 | 2.00 | 5 | -0.21 | 15 | -3.15 | |
| | Song, Guannan Terry | | | 1879 | CAN | 0.50 | 1 | -0.05 | 15 | -0.75 | | | Gladstone, Simon | | | 1933 | CAN | 0.50 | 1 | 0.03 | 15 | 0.45 | | | Rachar, Sean | | | 2012 | CAN | 0.50 | 1 | 0.13 | 15 | 1.95 | | | Drkulec, Vladimir | | | 2002 | CAN | 0.00 | 1 | -0.38 | 15 | -5.70 | | | Zybura, Andre | | | 1954 | CAN | 0.50 | 1 | 0.06 | 15 | 0.90 | |
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) | | |
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