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Individual Calculations February 2020 |
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| Brodsky, David Total change: -17.80 | |   |
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| 2020 Charlotte Open | Charlotte, North Carolina | USA | 2020-01-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2356 | 2479 | 5.00 | 9 | -0.92 | 10 | -9.20 | |
|  Park, Evan | | | 2200 | USA | 1.00 | 1 | 0.16 | 10 | 1.60 | |  Peng, Shunkai | f | | 2315 | USA | 0.00 | 1 | -0.72 | 10 | -7.20 | | | Kolay, Alex | | | 2261 | USA | 1.00 | 1 | 0.22 | 10 | 2.20 | | | Vigorito, David | m | | 2368 | USA | 1.00 | 1 | 0.35 | 10 | 3.50 | | | Daggupati, Balaji | f | | 2311 | USA | 1.00 | 1 | 0.28 | 10 | 2.80 | | | Ali Marandi, Cemil Can | g | | 2546 | TUR | 0.00 | 1 | -0.41 | 10 | -4.10 | | | Guo, Arthur | m | | 2301 | USA | 1.00 | 1 | 0.27 | 10 | 2.70 | | | Tang, Andrew | g | | 2521 | USA | 0.00 | 1 | -0.44 | 10 | -4.40 | | | Wheeler, Cameron | m | | 2383 | USA | 0.00 | 1 | -0.63 | 10 | -6.30 | |
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) | | | | 52nd Annual Liberty Bell Open | Philadelphia, Pennsylvania | USA | 2020-01-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2203 | 2479 | 4.00 | 6 | -0.86 | 10 | -8.60 | |
| | Martinez, Isaac | | | 2079 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Slade, Theodore Luke | | | 2168 | ENG | 1.00 | 1 | 0.14 | 10 | 1.40 | | | Chasin, Nico Werner | f | | 2159 | USA | 0.50 | 1 | -0.37 | 10 | -3.70 | | | Huston, Gus | f | | 2120 | USA | 1.00 | 1 | 0.10 | 10 | 1.00 | | | Shabalov, Alexander | g | | 2511 | USA | 0.00 | 1 | -0.46 | 10 | -4.60 | | | Tian, Eddy | | | 2181 | USA | 0.50 | 1 | -0.35 | 10 | -3.50 | | | * 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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