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Individual Calculations February 2017 |
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| Sarafian, Greg M Total change: -42.80 | |   |
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| Berkeley Chess Club Championship | Berkeley, California | USA | 2016-10-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1933 | 1872 | 1.00 | 4 | -0.74 | 20 | -14.80 | |
|  Poehlmann, Roger M | | | 2226 | USA | 0.00 | 1 | -0.11 | 20 | -2.20 | |  Hartmann, Andreas | | | 1623 | GER | 1.00 | 1 | 0.19 | 20 | 3.80 | | | Gaffagan, Steven | | | 2015 | USA | 0.00 | 1 | -0.31 | 20 | -6.20 | | | Hakobyan, Sos | | | 1868 | USA | 0.00 | 1 | -0.51 | 20 | -10.20 | |
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) | | | | 8th Annual Golden State Open | Concord, California | USA | 2017-01-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1948 | 1876 | 0.50 | 4 | -1.18 | 20 | -23.60 | |
| | Haessel, Dale R | f | | 2196 | CAN | 0.00 | 1 | -0.13 | 20 | -2.60 | | | Askin, Michael | | | 2012 | USA | 0.00 | 1 | -0.32 | 20 | -6.40 | | | Kondakov, Adrian | | | 1725 | USA | 0.50 | 1 | -0.20 | 20 | -4.00 | | | Pan, Kevin | | | 1858 | USA | 0.00 | 1 | -0.53 | 20 | -10.60 | |
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) | | | | BCS Weekender January | Berkeley, California | USA | 2017-01-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1812 | 1876 | 1.50 | 3 | -0.22 | 20 | -4.40 | |
| | Viswanath, Ganesh | | | 2044 | AUS | 0.50 | 1 | 0.22 | 20 | 4.40 | | | Padmanabhan, Akshay | | | 1811 | USA | 0.00 | 1 | -0.59 | 20 | -11.80 | | | Yanofsky, Kevin | | | 1581 | USA | 1.00 | 1 | 0.15 | 20 | 3.00 | |
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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