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Individual Calculations April 2023 |
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| Dukic, Zachary Total change: -58.80 | |   |
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| 2023 Excelsior March Open | Toronto | CAN | 2023-03-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1826 | 2238 | 2.50 | 5 | -2.08 | 20 | -41.60 | |
|  Oancea, Nicolae | | | 1739 | ROU | 1.00 | 1 | 0.04 | 20 | 0.80 | |  Mao, Fengxi | | | 1987 | CAN | 0.00 | 1 | -0.81 | 20 | -16.20 | | | Chen, Richard | | | 1820 | CAN | 0.50 | 1 | -0.43 | 20 | -8.60 | | | Ambilwade, Ojal | | | 1838 * | CAN | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Yang, Lefan | | | 1745 | CAN | 0.00 | 1 | -0.96 | 20 | -19.20 | | | * 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 Excelsior March GM Norm | Toronto | CAN | 2023-03-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2425 | 2238 | 1.50 | 9 | -0.86 | 20 | -17.20 | |
| | Plotkin, Mark | m | | 2365 | CAN | 1.00 | 1 | 0.67 | 20 | 13.40 | | | Atanasov, Anthony | f | | 2361 | CAN | 0.00 | 1 | -0.33 | 20 | -6.60 | | | Sambuev, Bator | g | | 2434 | CAN | 0.00 | 1 | -0.25 | 20 | -5.00 | | | Posthuma, Joshua | m | | 2441 | USA | 0.00 | 1 | -0.24 | 20 | -4.80 | | | Ivanov, Mike | f | | 2299 | CAN | 0.50 | 1 | 0.08 | 20 | 1.60 | | | Nagy, Gabor | g | | 2497 | HUN | 0.00 | 1 | -0.18 | 20 | -3.60 | | | Mikhalevski, Victor | g | | 2519 | ISR | 0.00 | 1 | -0.16 | 20 | -3.20 | | | Noritsyn, Nikolay | m | | 2460 | CAN | 0.00 | 1 | -0.22 | 20 | -4.40 | | | Ibarra Chami, Luis Fernando | g | | 2447 | MEX | 0.00 | 1 | -0.23 | 20 | -4.60 | |
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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