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Individual Calculations September 2019 |
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| Ebrahim-Shirazi, Behrooz Total change: -20.00 | |   |
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| 12th Calgary International Open | Calgary | CAN | 2019-08-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1768 | 2025 | 4.00 | 5 | -0.02 | 20 | -0.40 | |
|  Chen, Andrew | | | 1796 | CAN | 1.00 | 1 | 0.21 | 20 | 4.20 | |  Raninga, Aditya | | | 1862 | CAN | 1.00 | 1 | 0.28 | 20 | 5.60 | | | Chandra, Anand Rishi | | | 1875 | CAN | 0.00 | 1 | -0.70 | 20 | -14.00 | | | Collins, Jacob | | | 1678 | CAN | 1.00 | 1 | 0.11 | 20 | 2.20 | | | Qin, Kevin | | | 1628 | CAN | 1.00 | 1 | 0.08 | 20 | 1.60 | |
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 Over 1800 | Calgary | CAN | 2019-08-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1941 | 2025 | 2.00 | 5 | -0.98 | 20 | -19.60 | |
| | Suominen, David | | | 1683 | CAN | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Arruebarrena, Rafael | c | | 2248 | VEN | 0.50 | 1 | 0.28 | 20 | 5.60 | | | Miller, David | | | 2095 | CAN | 0.00 | 1 | -0.40 | 20 | -8.00 | | | Decaire, Michael | | | 1806 | CAN | 0.50 | 1 | -0.28 | 20 | -5.60 | | | Chandra, Anand Rishi | | | 1875 | CAN | 0.00 | 1 | -0.70 | 20 | -14.00 | |
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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