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Individual Calculations June 2023 |
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| Plotkin, Victor Total change: 6.40 | |   |
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| 2023 Collingwood-Somborac Chess Festival Crown | Collingwood, Ontario | CAN | 2023-05-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2071 | 2164 | 2.00 | 3 | 0.18 | 20 | 3.60 | |
|  Starr, Sasha | | | 2071 | CAN | 1.00 | 1 | 0.37 | 20 | 7.40 | |  Zhang, Yuanchen | m | | 2306 | CAN | 0.00 | 1 | -0.31 | 20 | -6.20 | | | Demchenko, Kyrylo | | | 1835 | CAN | 1.00 | 1 | 0.12 | 20 | 2.40 | |
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) | | | | 2023 Ontario Open | Ottawa, Ontario | CAN | 2023-05-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1948 | 2164 | 4.50 | 6 | 0.14 | 20 | 2.80 | |
| | Ramesh, Sanjay | | | 1834 | CAN | 0.50 | 1 | -0.38 | 20 | -7.60 | | | Shi, Michael | | | 1680 | CAN | 1.00 | 1 | 0.05 | 20 | 1.00 | | | Moses, Neil | | | 1764 * | CAN | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Han, Johnathan | f | | 2004 | CAN | 0.50 | 1 | -0.21 | 20 | -4.20 | | | Mao, Fengxi | | | 2079 | CAN | 1.00 | 1 | 0.38 | 20 | 7.60 | | | Perez Rodriguez, Luis Manuel | g | | 2329 | CUB | 0.50 | 1 | 0.22 | 20 | 4.40 | | | * 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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