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Individual Calculations April 2023 |
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| Plotkin, Mark Total change: -24.30 | |   |
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| 2023 Excelsior March Open | Toronto | CAN | 2023-03-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1938 | 2365 | 2.00 | 4 | -1.70 | 10 | -17.00 | |
|  Huh, Isaak | | | 1800 | KOR | 1.00 | 1 | 0.02 | 10 | 0.20 | |  Laughlin, Braden | | | 1965 * | CAN | 0.50 | 1 | -0.42 | 10 | -4.20 | | | Vaibhav, Bhat | | | 2008 | IND | 0.50 | 1 | -0.39 | 10 | -3.90 | | | Reshetniak, Vitaliy | | | 1978 | UKR | 0.00 | 1 | -0.91 | 10 | -9.10 | | | * 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 |
| 2411 | 2365 | 3.50 | 9 | -0.44 | 10 | -4.40 | |
| | Dukic, Zachary | f | | 2238 | CAN | 0.00 | 1 | -0.67 | 10 | -6.70 | | | Ivanov, Mike | f | | 2299 | CAN | 1.00 | 1 | 0.41 | 10 | 4.10 | | | Nagy, Gabor | g | | 2497 | HUN | 0.50 | 1 | 0.18 | 10 | 1.80 | | | Mikhalevski, Victor | g | | 2519 | ISR | 0.00 | 1 | -0.29 | 10 | -2.90 | | | Noritsyn, Nikolay | m | | 2460 | CAN | 0.00 | 1 | -0.37 | 10 | -3.70 | | | Ibarra Chami, Luis Fernando | g | | 2447 | MEX | 1.00 | 1 | 0.61 | 10 | 6.10 | | | Posthuma, Joshua | m | | 2441 | USA | 0.00 | 1 | -0.40 | 10 | -4.00 | | | Atanasov, Anthony | f | | 2361 | CAN | 0.50 | 1 | -0.01 | 10 | -0.10 | | | Sambuev, Bator | g | | 2434 | CAN | 0.50 | 1 | 0.10 | 10 | 1.00 | |
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) | | | | Ivy League Challenge 2023 | Toronto | CAN | 2023-03-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2522 | 2365 | 0.00 | 1 | -0.29 | 10 | -2.90 | |
| | Tang, Andrew | g | | 2522 | USA | 0.00 | 1 | -0.29 | 10 | -2.90 | |
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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