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Individual Calculations June 2023 |
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| Su, Ethan Total change: 66.80 | |   |
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| 2023 British Columbia vs Alberta Match | Salmon Arm | CAN | 2023-05-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1880 | 1887 | 3.50 | 5 | 0.98 | 40 | 39.20 | |
|  Hughey, Micah | | | 1997 | CAN | 1.00 | 1 | 0.65 | 40 | 26.00 | |  Ivanescu, Mark | | | 1797 | CAN | 1.00 | 1 | 0.38 | 40 | 15.20 | | | Arruebarrena Rodriguez, Rafael | c | | 2115 | VEN | 0.00 | 1 | -0.21 | 40 | -8.40 | | | Ivanescu, Matthew | | | 1596 | CAN | 1.00 | 1 | 0.15 | 40 | 6.00 | | | Wu, Jonathan | | | 1895 | CAN | 0.50 | 1 | 0.01 | 40 | 0.40 | |
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) | | | | 47th Annual Paul Keres Memorial Premier | Richmond | CAN | 2023-05-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1896 | 1887 | 3.50 | 6 | 0.69 | 40 | 27.60 | |
| | Qin, Kaiqi | | | 1487 * | CAN | 0.50 | 1 | -0.42 | 40 | -16.80 | | | Wu, Nathan Ping-Ying | | | 1913 | CAN | 1.00 | 1 | 0.54 | 40 | 21.60 | | | Wang, Ted | | | 1900 | USA | 0.50 | 1 | 0.02 | 40 | 0.80 | | | Mohammed Qanee, Arpak Worya | c | | 1996 | IRQ | 1.00 | 1 | 0.65 | 40 | 26.00 | | | Villavieja, Butch | | | 2038 | PHI | 0.50 | 1 | 0.20 | 40 | 8.00 | | | Doknjas, Neil | | | 2040 | CAN | 0.00 | 1 | -0.30 | 40 | -12.00 | | | * 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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