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Individual Calculations March 2015 |
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| Jacobson, Aaron Total change: 3.60 | |   |
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| 7th Annual Chesapeake Open | Rockville, Maryland | USA | 2015-01-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2079 | 1969 | 2.50 | 4 | 1.03 | 40 | 41.20 | |
|  Moorthy, Srinivas | | | 1939 | USA | 1.00 | 1 | 0.46 | 40 | 18.40 | |  Davydov, Alexander | | | 1946 | USA | 0.50 | 1 | -0.03 | 40 | -1.20 | | | Yu, Jennifer R | | wf | 2166 | USA | 1.00 | 1 | 0.75 | 40 | 30.00 | | | Darmanovic, Srdjan | | | 2266 | MNE | 0.00 | 1 | -0.15 | 40 | -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) | | | | 2015 February MCC Grand Prix | New York, New York | USA | 2015-01-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2024 | 1969 | 1.00 | 3 | -0.30 | 40 | -12.00 | |
| | Liang, Awonder | f | | 2258 | USA | 0.00 | 1 | -0.16 | 40 | -6.40 | | | Torras, Teseo L | | | 1726 | USA | 1.00 | 1 | 0.20 | 40 | 8.00 | | | Kumar, Aravind | f | | 2088 | USA | 0.00 | 1 | -0.34 | 40 | -13.60 | |
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) | | | | 53rd Annual Baltimore Open | Linthicum, Maryland | USA | 2015-02-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2100 | 2123 | 2.00 | 5 | -0.64 | 40 | -25.60 | |
| | Kaufman, Ray | m | | 2308 | USA | 0.00 | 1 | -0.26 | 40 | -10.40 | | | Tang, Arthur | | | 1937 | USA | 0.50 | 1 | -0.24 | 40 | -9.60 | | | Balkhamishvili, Tamara | | | 2114 | GEO | 0.50 | 1 | -0.01 | 40 | -0.40 | | | Steincamp, Isaac K | | | 1949 | USA | 0.00 | 1 | -0.73 | 40 | -29.20 | | | Bennett, David M. | c | | 2194 | USA | 1.00 | 1 | 0.60 | 40 | 24.00 | |
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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