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Individual Calculations March 2019 |
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| Armstrong, Robert J. Total change: -19.40 | |   |
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| 2019 Hart House Reading Week Open U1900 | Toronto | CAN | 2019-02-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1581 | 1481 | 0.50 | 4 | -0.97 | 20 | -19.40 | |
|  Qiao, Joey | | wc | 1513 | CAN | 0.00 | 1 | -0.46 | 20 | -9.20 | |  Supsup, Ferdinand | | | 1674 | CAN | 0.50 | 1 | 0.25 | 20 | 5.00 | | | Li, Adam | | | 1516 | CAN | 0.00 | 1 | -0.45 | 20 | -9.00 | | | Benggawan, Undriadi | | | 1620 | CAN | 0.00 | 1 | -0.31 | 20 | -6.20 | |
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) | | |
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