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Individual Calculations February 2018 |
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| Sarafian, Greg Total change: 1.40 | |   |
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| 9th Annual Golden State Open | Concord, California | USA | 2018-01-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1991 | 1885 | 2.00 | 5 | 0.07 | 20 | 1.40 | |
|  Showalter, Trevor | | | 2227 | USA | 0.00 | 1 | -0.12 | 20 | -2.40 | | | Oconnor, Derek | | | 2181 | USA | 0.00 | 1 | -0.15 | 20 | -3.00 | |  Panugaling, Ronilo | | | 1722 | USA | 1.00 | 1 | 0.28 | 20 | 5.60 | | | Wen, Brian C | | | 1697 | USA | 0.50 | 1 | -0.24 | 20 | -4.80 | | | Lin, Michael | | | 2128 | USA | 0.50 | 1 | 0.30 | 20 | 6.00 | |
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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