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Individual Calculations December 2019 |
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| De Costa, Alex Total change: -29.60 | |   |
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| 2019 Howard Ridout | Scarborough | CAN | 2019-09-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1674 | 1605 | 2.00 | 5 | -0.07 | 40 | -2.80 | |
|  Mao, Fengxi | | | 1802 | CAN | 0.00 | 1 | -0.25 | 40 | -10.00 | |  Liu, Harry | | | 1548 | CAN | 1.00 | 1 | 0.42 | 40 | 16.80 | | | Sharpe, Sam | | | 1747 | CAN | 0.00 | 1 | -0.31 | 40 | -12.40 | | | Tavana, Joseph | | | 1481 | CAN | 1.00 | 1 | 0.33 | 40 | 13.20 | | | Zhao, Jeffrey R. | | | 1793 | CAN | 0.00 | 1 | -0.26 | 40 | -10.40 | |
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) | | | | 2019 Guelph Fall ProAm U2000 | Guelph | CAN | 2019-11-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1476 | 1605 | 2.00 | 4 | -0.67 | 40 | -26.80 | |
| | Moran-Venegas, Mario | | | 1583 | CAN | 0.50 | 1 | -0.03 | 40 | -1.20 | | | Hughes, Henry | | | 1515 | CAN | 1.00 | 1 | 0.38 | 40 | 15.20 | | | Krolczyk, Jacob | | | 1368 | CAN | 0.50 | 1 | -0.30 | 40 | -12.00 | | | D`orante, Marco | | | 1436 | CAN | 0.00 | 1 | -0.72 | 40 | -28.80 | |
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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