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Individual Calculations September 2019 |
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| Zhao, Jeffrey R. Total change: -64.67 | |   |
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| Panamericano de la Juventud 2019 sub 12 absoluto | Guayaquil | ECU | 2019-07-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1560 | 1862 | 4.50 | 8 | -2.26 | 29 | -65.54 | |
|  Palomino Landeo, Diego Fernando | | | 1462 * | PER | 1.00 | 1 | 0.08 | 29 | 2.32 | |  Fuentes, Agustin | | | 1531 | ARG | 1.00 | 1 | 0.12 | 29 | 3.48 | | | Padhye, Rohan | | | 1628 | USA | 0.50 | 1 | -0.29 | 29 | -8.41 | | | Guzman Vera, Diego Alonso | | | 1516 | PER | 0.50 | 1 | -0.39 | 29 | -11.31 | | | Steiner, Adamson | | | 1556 | USA | 0.00 | 1 | -0.86 | 29 | -24.94 | | | Safranek, William | | | 1462 * | USA | 1.00 | 1 | 0.08 | 29 | 2.32 | | | Caceres Sandoval, Eduardo | | | 1567 | PER | 0.00 | 1 | -0.85 | 29 | -24.65 | | | Sivakumar, Shaaketh | | | 1755 | USA | 0.50 | 1 | -0.15 | 29 | -4.35 | | | * 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) | | | | 2019 Canadian Junior CC Open | Toronto | CAN | 2019-08-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1985 | 1858 | 3.00 | 8 | 0.25 | 29 | 7.25 | |
| | Li, William | | | 2139 | CAN | 0.50 | 1 | 0.34 | 29 | 9.86 | | | Zhang, Henry | | | 2151 | CAN | 0.00 | 1 | -0.15 | 29 | -4.35 | | | Xu, Daniel | | | 1918 | CAN | 0.50 | 1 | 0.08 | 29 | 2.32 | | | Demchenko, Svitlana | | wf | 2045 | CAN | 1.00 | 1 | 0.74 | 29 | 21.46 | | | Rusonik, Max | | | 2025 | CAN | 0.00 | 1 | -0.28 | 29 | -8.12 | | | Joseph Benher, Savio | | | 1668 | CAN | 1.00 | 1 | 0.25 | 29 | 7.25 | | | Tanaka, Tyler | c | | 2104 | CAN | 0.00 | 1 | -0.19 | 29 | -5.51 | | | Zheng, Kevin | | | 1828 | CAN | 0.00 | 1 | -0.54 | 29 | -15.66 | |
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 U12 Open | Kingston | CAN | 2019-08-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1669 | 1858 | 5.50 | 8 | -0.22 | 29 | -6.38 | |
| | Daniel, Kou | | | 1458 * | USA | 0.50 | 1 | -0.42 | 29 | -12.18 | | | Andrew, Chen | | | 1458 * | CAN | 1.00 | 1 | 0.08 | 29 | 2.32 | | | Vyom, Vidyarthi | c | | 2151 | USA | 0.50 | 1 | 0.35 | 29 | 10.15 | | | Edison, Huang | | | 1516 | USA | 1.00 | 1 | 0.12 | 29 | 3.48 | | | Jed, Sloan | | | 1680 | USA | 0.50 | 1 | -0.23 | 29 | -6.67 | | | Brian, Tay | | | 1622 | USA | 0.50 | 1 | -0.30 | 29 | -8.70 | | | Hemant, Srinivasan | | | 1812 | CAN | 0.50 | 1 | -0.06 | 29 | -1.74 | | | Henry, Liu | | | 1655 | CAN | 1.00 | 1 | 0.24 | 29 | 6.96 | | | * 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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