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Individual Calculations May 2018 |
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| Brodsky, David Total change: -10.20 | |   |
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| 12th Annual Philadelphia Open | Philadelphia, Pennsylvania | USA | 2018-03-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2262 | 2409 | 6.00 | 9 | -0.16 | 10 | -1.60 | |
|  Yanovsky, Vlad | | | 2112 | USA | 1.00 | 1 | 0.15 | 10 | 1.50 | |  Daggupati, Balaji | f | | 2273 | USA | 0.00 | 1 | -0.68 | 10 | -6.80 | | | Yanayt, Eugene | f | | 2127 | USA | 1.00 | 1 | 0.16 | 10 | 1.60 | | | Yip, Carissa | f | wf | 2290 | USA | 1.00 | 1 | 0.34 | 10 | 3.40 | | | Wong, Jianwen | | | 2153 | MAS | 0.50 | 1 | -0.31 | 10 | -3.10 | | | Wang, Qibiao | | | 2324 | CHN | 1.00 | 1 | 0.38 | 10 | 3.80 | | | Popilski, Gil | g | | 2502 | ISR | 0.00 | 1 | -0.37 | 10 | -3.70 | | | Arias, Mario | | | 2245 | PER | 1.00 | 1 | 0.28 | 10 | 2.80 | | | Peng, David | f | | 2331 | USA | 0.50 | 1 | -0.11 | 10 | -1.10 | |
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) | | | | Marshall Premier FIDE Open April 2017 | New York, New York | USA | 2018-04-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2163 | 2408 | 3.00 | 5 | -0.86 | 10 | -8.60 | |
| | Stancil, Kimani | | | 2064 | USA | 1.00 | 1 | 0.12 | 10 | 1.20 | | | Graif, William | | | 2117 | CAN | 0.00 | 1 | -0.85 | 10 | -8.50 | | | Yen, William | | | 2008 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Tsay, Vincent | f | | 2136 | USA | 1.00 | 1 | 0.17 | 10 | 1.70 | | | Khamrakulov, Djurabek | m | | 2492 | UZB | 0.00 | 1 | -0.38 | 10 | -3.80 | | | * 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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