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Individual Calculations March 2019 |
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| Calvelo, Jelvis Arandela Total change: 1.80 | |   |
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| 2019 Chesapeake Open - U2100 | Rockville, Maryland | USA | 2019-01-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1794 | 1889 | 2.00 | 4 | -0.48 | 20 | -9.60 | |
|  Yagiz, Bora | | | 1862 | TUR | 0.50 | 1 | -0.04 | 20 | -0.80 | | | Frank, Ryan | | | 1773 | USA | 0.50 | 1 | -0.16 | 20 | -3.20 | |  Books, Muskee | | | 1922 | USA | 0.00 | 1 | -0.45 | 20 | -9.00 | | | Reddy, Satvik | | | 1620 | USA | 1.00 | 1 | 0.17 | 20 | 3.40 | |
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 Hart House Reading Week Open U2200 | Toronto | CAN | 2019-02-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1834 | 1893 | 4.00 | 6 | 0.57 | 20 | 11.40 | |
| | Nemati, Omid | | | 1567 | CAN | 1.00 | 1 | 0.13 | 20 | 2.60 | | | Jiang, Brian | | | 1803 | CAN | 0.00 | 1 | -0.62 | 20 | -12.40 | | | Lentini, Joseph | | | 2097 | CAN | 1.00 | 1 | 0.76 | 20 | 15.20 | | | Zhao, Jeffrey R. | | | 1887 | CAN | 1.00 | 1 | 0.49 | 20 | 9.80 | | | Zhao, Jeffrey Renfei | | | 1830 | CAN | 1.00 | 1 | 0.41 | 20 | 8.20 | | | Ning, Eric | | | 1820 | CAN | 0.00 | 1 | -0.60 | 20 | -12.00 | |
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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