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Individual Calculations September 2019 |
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| Chen, Andrew Total change: -14.44 | |   |
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| 2019 Calgary Chess Club Championship | Calgary | CAN | 2019-06-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1787 | 1802 | 3.50 | 5 | 0.86 | 38 | 32.68 | |
|  Li, Avery | | | 1548 | CAN | 1.00 | 1 | 0.19 | 38 | 7.22 | |  Pathak, Pranav | | | 1572 | CAN | 0.50 | 1 | -0.29 | 38 | -11.02 | | | Tolentino, Patrick Angelo | | | 1848 | CAN | 1.00 | 1 | 0.56 | 38 | 21.28 | | | Haessel, Dale | f | | 2167 | CAN | 0.00 | 1 | -0.10 | 38 | -3.80 | | | Miller, Brian | | | 1802 | CAN | 1.00 | 1 | 0.50 | 38 | 19.00 | |
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) | | | | 12th Calgary International Open | Calgary | CAN | 2019-08-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1726 | 1796 | 2.50 | 5 | -0.41 | 38 | -15.58 | |
| | Ebrahim-Shirazi, Behrooz | | | 2025 | CAN | 0.00 | 1 | -0.21 | 38 | -7.98 | | | Collins, Jacob | | | 1678 | CAN | 0.50 | 1 | -0.16 | 38 | -6.08 | | | Milne, Arthur | | | 1669 | CAN | 1.00 | 1 | 0.33 | 38 | 12.54 | | | Srinivasan, Hemant | | | 1812 | CAN | 0.00 | 1 | -0.48 | 38 | -18.24 | | | Chen, Helen | | | 1447 | CAN | 1.00 | 1 | 0.11 | 38 | 4.18 | |
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 NAYCC U16 Open | Kingston | CAN | 2019-08-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1765 | 1796 | 3.50 | 8 | -0.83 | 38 | -31.54 | |
| | Shlyakhtenko, Robert | c | | 2196 * | USA | 0.00 | 1 | -0.08 | 38 | -3.04 | | | Yang, Brian | | | 1632 | CAN | 1.00 | 1 | 0.28 | 38 | 10.64 | | | Yang, Fan | | | 2012 | CAN | 0.00 | 1 | -0.22 | 38 | -8.36 | | | Wang, Elon | | | 1601 | CAN | 1.00 | 1 | 0.25 | 38 | 9.50 | | | Chen, Benjamin | | | 1972 | USA | 0.00 | 1 | -0.27 | 38 | -10.26 | | | Xiao, Edward | | | 1497 | CAN | 0.50 | 1 | -0.35 | 38 | -13.30 | | | Du, Daniel | | | 1761 | CAN | 0.00 | 1 | -0.55 | 38 | -20.90 | | | Bilodeau-Savaria, Carl-William | | | 1447 | CAN | 1.00 | 1 | 0.11 | 38 | 4.18 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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