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Individual Calculations January 2016 |
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| Walton, John Total change: 29.60 | |   |
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| Oct - Dec 2015 Marshall Thursday Open | New York, New York | USA | 2015-10-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1949 | 1673 | 1.50 | 4 | 0.78 | 20 | 15.60 | |
|  Gerstl, Mark E | | | 1971 | USA | 0.00 | 1 | -0.15 | 20 | -3.00 | | | Greco, Anthony | | | 1918 | USA | 0.50 | 1 | 0.30 | 20 | 6.00 | |  Levcovitz, Ivan | | | 1832 | USA | 1.00 | 1 | 0.71 | 20 | 14.20 | | | Sena, Juan | | | 2073 * | DOM | 0.00 | 1 | -0.08 | 20 | -1.60 | | | * 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) | | | | 2015 Marshall Amateur Championship - Jerry Simon Memorial | New York, New York | USA | 2015-12-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1779 | 1657 | 2.50 | 5 | 0.68 | 20 | 13.60 | |
| | Olsen, Robert | | | 2057 * | USA | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Zong Jr, Davis | | | 1533 | USA | 0.50 | 1 | -0.17 | 20 | -3.40 | | | Prus, Irving B | | | 1813 | USA | 0.00 | 1 | -0.29 | 20 | -5.80 | | | Hu, Pinyi | | | 1607 | USA | 1.00 | 1 | 0.43 | 20 | 8.60 | | | Glad, Clayton | | | 1886 | USA | 1.00 | 1 | 0.79 | 20 | 15.80 | | | * 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) | | | | 99th Annual Edward Lasker Memorial - MCC Championship | New York, New York | USA | 2015-12-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1982 | 1657 | 1.00 | 7 | 0.02 | 20 | 0.40 | |
| | Taborsky, Rostislav | f | | 2057 * | CZE | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Stancil, Kimani A | | | 2057 * | USA | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Zats, Yefrem | | | 2001 | USA | 0.00 | 1 | -0.12 | 20 | -2.40 | | | Tia, Rudy Jr. | | | 1982 | PNG | 1.00 | 1 | 0.87 | 20 | 17.40 | | | Berg, George P. | | | 2044 | USA | 0.00 | 1 | -0.09 | 20 | -1.80 | | | Margiotta, Jason J | | | 1950 | USA | 0.00 | 1 | -0.15 | 20 | -3.00 | | | Hellner, Wesley | | | 1786 | USA | 0.00 | 1 | -0.33 | 20 | -6.60 | | | * 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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