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Individual Calculations February 2017 |
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| Kolay, Alex Total change: -3.20 | |   |
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| 8th Annual Golden State Open | Concord, California | USA | 2017-01-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2008 | 1864 | 1.00 | 5 | -0.68 | 40 | -27.20 | |
|  Ishkhanov, Tigran | | | 2264 * | USA | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Gallegos, Paul A | | | 2026 | USA | 0.00 | 1 | -0.29 | 40 | -11.60 | | | Padmanabhan, Karthik | | | 1899 | USA | 0.50 | 1 | 0.05 | 40 | 2.00 | | | Hatarik, Robert | | | 2114 | GER | 0.00 | 1 | -0.19 | 40 | -7.60 | | | Palusa, Maurya | | | 1735 | USA | 0.50 | 1 | -0.17 | 40 | -6.80 | | | * 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) | | | | Bay Area Chess CM Azhar Championship | Milpitas, California | USA | 2017-01-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1891 | 1864 | 2.50 | 4 | 0.60 | 40 | 24.00 | |
| | Dobrynin, Dmitri V | | | 1699 | USA | 1.00 | 1 | 0.28 | 40 | 11.20 | | | Murugappan, Ganesh M | | | 1959 | USA | 0.50 | 1 | 0.13 | 40 | 5.20 | | | Richter, Paul | | | 2172 | USA | 0.00 | 1 | -0.14 | 40 | -5.60 | | | Palusa, Maurya | | | 1735 | USA | 1.00 | 1 | 0.33 | 40 | 13.20 | |
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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