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Individual Calculations August 2012 |
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| Cheng, Jack Total change: 39.00 | |   |
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| 2012 CAN Youth Ch U18 Open | Vancouver, British Columbia | CAN | 2012-07-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1957 | 1987 | 2.00 | 3 | 0.45 | 15 | 6.75 | |
|  Calugar, Arthur | m | | 2273 | CAN | 0.00 | 1 | -0.16 | 15 | -2.40 | |  Botez, Alexandra | | wc | 2008 | CAN | 1.00 | 1 | 0.53 | 15 | 7.95 | | | Lee, Melissa | | | 1589 | CAN | 1.00 | 1 | 0.08 | 15 | 1.20 | |
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) | | | | 2012 Canadian Open Ch | Victoria, British Columbia | CAN | 2012-07-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2159 | 1987 | 4.50 | 8 | 2.15 | 15 | 32.25 | |
| | Plotkin, Mark | | | 1877 | CAN | 0.50 | 1 | -0.15 | 15 | -2.25 | | | Han, Yiming | | | 2060 | CAN | 1.00 | 1 | 0.60 | 15 | 9.00 | | | Fritzsche, Helmut | | | 2052 | GER | 1.00 | 1 | 0.59 | 15 | 8.85 | | | Rohonyan, Katerina | | wg | 2294 | USA | 1.00 | 1 | 0.86 | 15 | 12.90 | | | Pechisker, Alfred | | | 2197 | CAN | 0.50 | 1 | 0.27 | 15 | 4.05 | | | Reeve, Jeff | | | 2234 | CAN | 0.50 | 1 | 0.31 | 15 | 4.65 | | | Kazmaier, Daniel | | | 2198 | CAN | 0.00 | 1 | -0.23 | 15 | -3.45 | | | Chen, Howard | | | 2357 | USA | 0.00 | 1 | -0.10 | 15 | -1.50 | |
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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