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Individual Calculations October 2016 |
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| O`connor, Derek Total change: -25.00 | |   |
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| 2016 Alan Benson Memorial Tournament | San Francisco, California | USA | 2016-08-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1859 | 2112 | 6.50 | 9 | -0.66 | 40 | -26.40 | |
|  Hack, Richard | | | 1712 * | USA | 1.00 | 1 | 0.08 | 40 | 3.20 | |  Andries, W Craig | | | 1884 | USA | 1.00 | 1 | 0.21 | 40 | 8.40 | | | Doyle, Bryon J | | | 2090 | USA | 0.00 | 1 | -0.53 | 40 | -21.20 | | | Jensen, Christian Patrick | | | 1836 | USA | 0.50 | 1 | -0.33 | 40 | -13.20 | | | Sanguinetti, George A | | | 1958 | USA | 1.00 | 1 | 0.29 | 40 | 11.60 | | | Boldi, Ethan Vaughn | | | 1729 | USA | 1.00 | 1 | 0.09 | 40 | 3.60 | | | Bayaraa, Chinguun | c | | 1922 | USA | 0.00 | 1 | -0.75 | 40 | -30.00 | | | Clemens, Kristian | | | 1850 | USA | 1.00 | 1 | 0.18 | 40 | 7.20 | | | Campers, Willie | | | 1747 | USA | 1.00 | 1 | 0.10 | 40 | 4.00 | | | * 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) | | | NOTE: K factor changed | | Berkeley Chess School Weekender September | Berkeley, California | USA | 2016-09-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2142 | 2134 | 2.50 | 5 | 0.07 | 20 | 1.40 | |
| | Sarafian, Greg M | | | 1898 | USA | 1.00 | 1 | 0.20 | 20 | 4.00 | | | Stearman, Josiah P | f | | 2271 | USA | 1.00 | 1 | 0.68 | 20 | 13.60 | | | Hatarik, Robert | | | 2097 | GER | 0.50 | 1 | -0.05 | 20 | -1.00 | | | Jirasek, Ladia R | | | 2210 | USA | 0.00 | 1 | -0.40 | 20 | -8.00 | | | Winslow, Elliott C | m | | 2233 | USA | 0.00 | 1 | -0.36 | 20 | -7.20 | |
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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