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Individual Calculations August 2015 |
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| Zhao, Art Total change: 61.20 | |   |
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| 2015 Summer Tuesday Night Marathon | San Francisco, California | USA | 2015-05-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1974 | 1992 | 4.00 | 6 | 0.81 | 40 | 32.40 | |
|  Sherwood, Peter | | | 1808 | USA | 1.00 | 1 | 0.26 | 40 | 10.40 | |  Andries, W Craig | | | 1942 | USA | 1.00 | 1 | 0.43 | 40 | 17.20 | | | Shaw, Tenzing | | | 2217 | USA | 0.50 | 1 | 0.28 | 40 | 11.20 | | | Winslow, Elliott C | m | | 2280 | USA | 0.00 | 1 | -0.16 | 40 | -6.40 | | | Shi, Jaysen | | | 1806 | USA | 0.50 | 1 | -0.24 | 40 | -9.60 | | | Flores Gomez, David | | | 1793 | USA | 1.00 | 1 | 0.24 | 40 | 9.60 | |
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) | | | | 2015 Sacramento Chess Championship | Sacramento, California | USA | 2015-07-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2063 | 2023 | 2.50 | 4 | 0.72 | 40 | 28.80 | |
| | Hatarik, Robert | | | 2083 | GER | 0.50 | 1 | 0.08 | 40 | 3.20 | | | Aigner, Michael | | | 2156 | USA | 0.50 | 1 | 0.18 | 40 | 7.20 | | | Murugappan, Ganesh | | | 1855 | USA | 1.00 | 1 | 0.28 | 40 | 11.20 | | | Schoch, Ian David | | | 2159 | USA | 0.50 | 1 | 0.18 | 40 | 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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