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Individual Calculations September 2017 |
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| Tollefson, Arthur W Total change: -3.60 | |   |
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| Marshall July 2017 FIDE Mondays | New York, New York | USA | 2017-06-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1922 | 1961 | 2.00 | 4 | -0.09 | 40 | -3.60 | |
|  Shtivelband, Richard | | | 2125 | USA | 0.00 | 1 | -0.28 | 40 | -11.20 | |  Chong, Joshua Ethan | | | 1561 * | USA | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Davis Iii, Tyrone | | | 2077 | USA | 0.50 | 1 | 0.16 | 40 | 6.40 | | | West, James R | | | 1925 | USA | 0.50 | 1 | -0.05 | 40 | -2.00 | | | * 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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