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Individual Calculations December 2023 |
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| Kaufman, Ray Total change: 7.40 | |   |
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| 2023 Vancouver Chess Festival #2 Open | Vancouver, British Columbia | CAN | 2023-10-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1752 | 2168 | 3.00 | 4 | -0.67 | 20 | -13.40 | |
|  Taylor, Ashton | | | 1718 | CAN | 0.00 | 1 | -0.94 | 20 | -18.80 | |  Koo, Minjun | | | 1635 | KOR | 1.00 | 1 | 0.03 | 20 | 0.60 | | | Komatu, Felipe Karczewski | | | 1887 | BRA | 1.00 | 1 | 0.16 | 20 | 3.20 | | | Gao, Justin Jialin | | | 1768 * | CAN | 1.00 | 1 | 0.08 | 20 | 1.60 | | | * 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) | | | | 2023 Banff Open Over 2000 | Banff, Alberta | CAN | 2023-11-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2020 | 2146 | 5.00 | 6 | 1.15 | 20 | 23.00 | |
| | Jin, Eric | | | 1746 * | CAN | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Wu, Jonathan | | | 1907 | CAN | 1.00 | 1 | 0.20 | 20 | 4.00 | | | Soberov, Emil | c | | 2266 | CAN | 0.50 | 1 | 0.16 | 20 | 3.20 | | | Piasetski, Leon | m | | 2176 | CAN | 1.00 | 1 | 0.54 | 20 | 10.80 | | | Jiang, Brian | | | 1888 | CAN | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Khodjimatov, Sherzod | | | 2138 | CAN | 0.50 | 1 | -0.01 | 20 | -0.20 | | | * 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) | | | | 2023 US Masters | Charlotte, NC | USA | 2023-11-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2176 | 2146 | 4.00 | 9 | -0.11 | 20 | -2.20 | |
| | Woodward, Andy | m | | 2473 | USA | 0.00 | 1 | -0.13 | 20 | -2.60 | | | Talwalkar, Vedant | | | 1862 | USA | 1.00 | 1 | 0.16 | 20 | 3.20 | | | Rautela, Saksham | m | | 2326 | IND | 0.00 | 1 | -0.26 | 20 | -5.20 | | | Uz, Kagan | | | 1837 | USA | 0.00 | 1 | -0.86 | 20 | -17.20 | | | Harris, Neal | | | 1979 | USA | 1.00 | 1 | 0.28 | 20 | 5.60 | | | Francisco, Richard | f | | 2207 | USA | 1.00 | 1 | 0.58 | 20 | 11.60 | | | Narayanan, Samrug | f | | 2317 | USA | 1.00 | 1 | 0.73 | 20 | 14.60 | | | Kunka, Harshid | f | | 2337 | USA | 0.00 | 1 | -0.25 | 20 | -5.00 | | | Belenkaya, Dina | | wg | 2250 | ISR | 0.00 | 1 | -0.36 | 20 | -7.20 | |
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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