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Individual Calculations January 2018 |
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| Kurkowski, Ken Total change: -23.60 | |   |
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| 2017 Hart House Holidays Open U1900 | Toronto | CAN | 2017-12-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1597 | 1496 | 0.50 | 3 | -0.59 | 40 | -23.60 | |
|  Zhou, Joey (junhe) | | | 1627 | CAN | 0.00 | 1 | -0.32 | 40 | -12.80 | | | Liu, Henry | | | 1564 | CAN | 0.50 | 1 | 0.09 | 40 | 3.60 | |  Liu, Harry | | | 1599 | CAN | 0.00 | 1 | -0.36 | 40 | -14.40 | |
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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